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iPhone 17 Pro Max next to an EMF meter during real-world electromagnetic field testing

iPhone 17 Pro Max EMF Test: Measuring Front and Back During Real-World Use

Quick Summary

Smartphones don’t operate the same way all the time. An idle phone waiting for a notification behaves differently than one streaming a movie, scrolling social media, or actively connected during a phone call. Those changes in activity can also change the amount of measurable electromagnetic energy the device produces.

To better understand how everyday use affects EMF readings, we tested the iPhone 17 Pro Max across several common scenarios, including idle operation with the screen off, an unlocked home screen, YouTube streaming, Netflix streaming, Instagram Reels, and an active phone call. Each activity was measured from both the front (display side) and the back of the device to see whether different areas of the phone produced different readings.

Rather than relying on manufacturer specifications or theoretical discussions, this article documents what an EMF meter detected during real-world use. Measuring both sides of the phone also provides additional context, since antennas and internal components are distributed throughout the device rather than concentrated in a single location.

This is a field observation, not a controlled laboratory study. The measurements were collected using a single iPhone 17 Pro Max under one set of testing conditions, and they should not be interpreted as evidence of health risk or proof that one activity is inherently dangerous. Instead, they provide a practical snapshot of how measurable EMF output can vary as the phone performs different tasks.

By the end of this report, you’ll see how each activity compared, which scenarios produced the highest and lowest readings, how the front and back of the phone differed, and what these measurements can, and cannot, tell us about everyday smartphone use.

What We Found

During our field testing, the iPhone 17 Pro Max did not produce a single, consistent EMF reading. Instead, the measurements changed depending on what the phone was doing at the time. An idle phone, an unlocked screen, video streaming, social media activity, and an active phone call each generated different electric and magnetic field readings, with some activities producing substantially higher measurements than others.

One of the more interesting observations was that the front and back of the phone did not always behave the same way. In several scenarios, the readings differed noticeably depending on which side of the device was being measured, suggesting that internal components and antennas distribute electromagnetic emissions unevenly throughout the phone.

These measurements should not be interpreted as evidence of health risk or proof that any particular activity is unsafe. They are field observations collected under real-world conditions using a handheld EMF meter. Their value lies in showing that a smartphone’s operating state can influence measurable EMF output, and that understanding those differences requires more than a single measurement taken at a single moment.

Why We Performed This Test

Smartphones have become one of the closest pieces of technology we interact with every day. We hold them in our hands, keep them in our pockets, place them next to our heads during calls, and often leave them within arm’s reach while we sleep. Despite that constant proximity, most discussions about smartphone EMFs focus on broad claims rather than showing what actually happens during everyday use.

Our goal was simple: gather real-world measurements under common usage scenarios and document exactly what the meter observed.

Why We Wanted Real-World Data

Much of the information available online falls into one of two extremes. Some sources suggest there is nothing worth measuring, while others imply every smartphone is a serious health hazard. Neither perspective helps someone trying to understand what their own device is actually doing.

Instead of relying on assumptions, we wanted to collect our own field observations using a commercially available EMF meter and a standard iPhone 17 Pro Max. By documenting the readings across different activities, readers can see how measurable EMF output changes during normal use rather than relying solely on theoretical discussions.

Why We Tested More Than One Activity

A smartphone is never performing just one job.

When the screen is off, the phone continues communicating with nearby cellular towers and checking for notifications. Unlocking the display activates additional hardware. Streaming a YouTube video, watching Netflix, scrolling Instagram Reels, and participating in a phone call all require different combinations of wireless communication, processor activity, graphics performance, and power consumption.

Because the phone’s workload changes throughout the day, we wanted to see whether those changes were reflected in the EMF measurements. Testing multiple real-world activities provides a more complete picture than measuring the phone in only a single state.

Why We Measured Both Sides of the Phone

Many people assume a smartphone emits electromagnetic energy evenly in every direction. In reality, modern phones contain multiple antennas, wireless radios, batteries, cameras, processors, and other electronic components distributed throughout the device.

By taking measurements from both the front and the back of the iPhone 17 Pro Max during each activity, we wanted to determine whether one side consistently produced higher readings or whether the differences changed depending on how the phone was being used.

This comparison adds another layer of context that a single measurement from one side alone cannot provide.

What This Test Can, and Cannot, Tell Us

This article documents what our meter detected under one set of testing conditions. It shows how measurable electric and magnetic field readings changed while the iPhone 17 Pro Max performed different everyday tasks.

What these measurements do not do is establish health risk, determine regulatory compliance, or represent every iPhone 17 Pro Max under every possible condition. Smartphone output can vary based on signal strength, network technology, background processes, nearby wireless devices, software updates, and countless environmental variables.

Think of this report as a field observation rather than a laboratory study. Its purpose is to document what we observed, explain the differences between each usage scenario, and provide a transparent dataset that others can evaluate, question, and build upon.

Testing Setup

To make the measurements as consistent as possible, every test followed the same basic procedure. Rather than changing multiple variables at once, we kept the testing environment, measurement method, and equipment consistent while changing only the activity being performed on the phone.

The objective wasn’t to produce laboratory-certified measurements. It was to create a repeatable field-testing protocol that could be applied to future smartphones and compared across different devices.

Testing Specifications

Variable

Value

Device Tested

Apple iPhone 17 Pro Max

Measurement Device

Safe and Sound Pro II EMF Meter

Measurement Modes

Electric Field (V/m) and Magnetic Field (mG)

Test Location

Indoor residential environment

Network Connection

Cellular data during streaming and phone call testing (Wi-Fi disabled, if applicable)

Measurement Positions

Front (display side) and Back (camera side)

Phone Case

Yes

Screen Brightness

Normal

Measurement Distance

Meter placed directly against the phone for every test

Number of Test Scenarios

12 (6 front-side tests and 6 back-side tests)

Test Scenarios

The same measurement procedure was repeated for each of the following activities:

  • Phone powered on with the display off (idle)
  • Screen unlocked (home screen)
  • Incoming phone call
  • YouTube video streaming
  • Netflix video streaming
  • Instagram Reels scrolling

Each activity was measured twice:

  • Front of the phone (display side)
  • Back of the phone (camera side)

This resulted in a total of 12 individual measurement scenarios, allowing us to compare not only different phone activities but also differences between the front and back of the device.

Measurement Procedure

For every test:

  • The iPhone 17 Pro Max remained in the same orientation relative to the meter.
  • The EMF meter was positioned directly against the surface being measured.
  • Measurements were recorded after the selected activity was actively running.
  • Both the electric field (V/m) and magnetic field (mG) values displayed by the meter were documented.
  • A photograph was taken of every measurement to provide a visual record of the results.

Maintaining the same testing procedure throughout the experiment reduces unnecessary variables and makes it easier to compare how the phone behaved during each activity.

Photo Documentation

Every measurement included a corresponding photograph showing:

  • The iPhone 17 Pro Max during the activity being tested.
  • The Safe and Sound Pro II EMF meter displaying the recorded values.
  • The side of the phone being measured (front or back).
  • The operating state of the device at the time of the measurement.

Rather than asking readers to trust summarized numbers alone, we’ve included photographic documentation for each test so the recorded values can be viewed alongside the conditions under which they were measured. This level of transparency also makes it easier for future testing to follow the same methodology and compare results across different smartphones and usage scenarios.

 

Test Results

Rather than relying on a single measurement, we tested the iPhone 17 Pro Max during six common activities and repeated every test from both the front (display side) and the back (camera side) of the device.

This produced twelve individual measurements, allowing us to compare how the phone behaved under different real-world usage scenarios.

The results below summarize every measurement collected during our testing.

Activity

Front Electric Field (V/m)

Front Magnetic Field (mG)

Back Electric Field (V/m)

Back Magnetic Field (mG)

Screen Off (Idle)

0

40.8

2

23.1

Screen Unlocked

0

45.0

2

22.0

Phone Call

2

169.8

0

99.3

Instagram Reels

2

137.9

2

117.1

YouTube Streaming

0

59.7

0

193.9

Netflix Streaming

186.6

79.8

0

205.6

Highlights From Our Testing

Across all twelve measurements, three results stood out immediately.

Highest Magnetic Field Measured

  • Activity: Netflix Streaming
  • Measurement Position: Back of the iPhone 17 Pro Max
  • Reading: 205.6 mG

This was the highest magnetic field recorded during the entire testing session.

Highest Electric Field Measured

  • Activity: Netflix Streaming
  • Measurement Position: Front of the iPhone 17 Pro Max
  • Reading: 186.6 V/m

No other activity produced a higher electric field measurement during our testing.

Lowest Magnetic Field Measured

  • Activity: Screen Unlocked
  • Measurement Position: Back of the iPhone 17 Pro Max
  • Reading: 22.0 mG

This was the lowest magnetic field observed across all twelve measurements.

Even before analyzing the individual activities, one pattern becomes clear: the iPhone 17 Pro Max did not produce a single, fixed EMF reading. The measured values changed depending on what the phone was doing and which side of the device was being measured. Some activities produced only modest changes, while others resulted in substantially different electric or magnetic field measurements. That variability is exactly why we tested multiple real-world scenarios instead of relying on a single reading.

What Changed the Most?

One of the biggest reasons we designed this test around everyday phone activities was to answer a simple question:

Does the iPhone 17 Pro Max produce similar measurements regardless of what it’s doing?

Based on our observations, the answer was no.

While some activities produced only small changes compared to the idle baseline, others resulted in noticeably different electric or magnetic field measurements. Just as importantly, those changes were not always the same on the front and back of the phone.

Idle Phone

With the display off and no intentional user activity taking place, the iPhone produced the lowest measurements observed during most of our testing.

The front of the phone measured 0 V/m and 40.8 mG, while the back measured 2 V/m and 23.1 mG.

Although modern smartphones continue performing background tasks even when they appear idle, this state provided the baseline against which every other activity was compared.

Unlocked Screen

Simply waking the phone and displaying the home screen had very little impact on the measurements.

The front magnetic field increased slightly from 40.8 mG to 45.0 mG, while the back actually decreased slightly from 23.1 mG to 22.0 mG. Electric field measurements remained essentially unchanged.

This suggests that merely turning on the display did not dramatically alter the readings under our testing conditions.

Phone Calls

An active phone call produced one of the most noticeable changes during the experiment.

On the front of the device, the magnetic field increased to 169.8 mG, making it one of the highest front-side readings we recorded. The back measured 99.3 mG, also substantially higher than the idle baseline.

Interestingly, the electric field remained low during both measurements, indicating that the largest changes observed during phone calls occurred in the magnetic field rather than the electric field.

Streaming Video

Video streaming produced some of the most significant measurements in the entire study.

During Netflix playback, the front of the phone recorded the highest electric field measurement of the experiment at 186.6 V/m, while the back recorded the highest magnetic field measurement at 205.6 mG.

YouTube followed a different pattern. The front measured a relatively modest 59.7 mG, while the back increased dramatically to 193.9 mG.

These observations suggest that continuous video streaming consistently generated some of the largest changes measured during our testing, although the behavior differed depending on which side of the phone was being measured.

Scrolling Social Media

Instagram Reels produced another interesting result.

Rather than matching the streaming tests exactly, Instagram scrolling generated a different measurement profile. The front of the phone recorded 137.9 mG, while the back measured 117.1 mG. Electric field measurements remained relatively low at 2 V/m on both sides.

This highlights an important point: not every data-intensive activity behaves the same. Watching a continuous video, participating in a phone call, and scrolling through short-form social media content each produced their own measurement pattern during our testing.

Comparing Everyday Activities

Looking across the complete dataset, a clear pattern begins to emerge.

Simply turning on the screen produced very little change compared with the idle baseline. Phone calls and Instagram Reels generated much larger magnetic field measurements, while long-form video streaming consistently produced the most significant readings observed during the experiment.

Perhaps the most interesting finding wasn’t that one activity always measured “higher” than another—it was that different activities produced different combinations of electric and magnetic field measurements. In some cases, the electric field changed dramatically while the magnetic field changed only modestly. In others, the opposite occurred.

That variability reinforces one of the central observations from this study: a smartphone cannot be accurately described by a single EMF measurement. How the device is being used, and where the measurement is taken, can meaningfully influence what the meter detects.

Measurement Gallery

Every measurement documented in this article was photographed at the time of testing using the same device and testing procedure. Rather than publishing only summary tables, we’ve included the original meter display for every scenario so readers can review the recorded values alongside the testing conditions.

Test 1 — Screen Off (Front)

Badges

🟢 Screen Off  📱 Front of Phone

Scenario

The iPhone 17 Pro Max was powered on with the display turned off. No intentional user activity was taking place during this measurement.

Recorded Measurement

Measurement

Value

Electric Field

0 V/m

Magnetic Field

40.8 mG

📸 Measurement Photograph

Observation

This served as the baseline measurement for the front of the phone. While the electric field remained at 0 V/m, the magnetic field measured 40.8 mG, making it one of the lowest front-side readings observed during our testing.

Test 2 — Screen Unlocked (Front)

Badges

🔵 Screen On  📱 Front of Phone

Scenario

The phone was unlocked and displaying the home screen without actively running any media or phone calls.

Recorded Measurement

Measurement

Value

Electric Field

0 V/m

Magnetic Field

45.0 mG

📸 Measurement Photograph

Observation

Unlocking the display produced only a modest increase in the magnetic field compared to the idle baseline. The electric field remained unchanged, suggesting that simply waking the display had little impact under our testing conditions.

Test 3 — Active Phone Call (Front)

Badges

🟠 Phone Call  📱 Front of Phone

Scenario

An active phone call was in progress while the measurement was recorded.

Recorded Measurement

Measurement

Value

Electric Field

2 V/m

Magnetic Field

169.8 mG

📸 Measurement Photograph

Observation

The active phone call produced one of the highest magnetic field measurements recorded on the front of the phone. Compared to the idle baseline, the magnetic field increased substantially while the electric field remained relatively low.

Test 4 — YouTube Streaming (Front)

Badges

🔴 YouTube  📱 Front of Phone

Scenario

A YouTube video was actively streaming while the measurement was collected.

Recorded Measurement

Measurement

Value

Electric Field

0 V/m

Magnetic Field

59.7 mG

📸 Measurement Photograph

Observation

Streaming YouTube increased the magnetic field compared to the idle and unlocked states, although the electric field remained at 0 V/m during this test.

Test 5 — Netflix Streaming (Front)

🏆 Highest Electric Field Recorded

Badges

🟣 Netflix  📱 Front of Phone

Scenario

Netflix was actively streaming video throughout the measurement.

Recorded Measurement

Measurement

Value

Electric Field

186.6 V/m

Magnetic Field

79.8 mG

📸 Measurement Photograph

Observation

This activity produced the highest electric field recorded during the entire experiment. Interestingly, although the electric field increased dramatically, the magnetic field remained lower than the values observed during an active phone call and some back-side measurements.

Test 6 — Instagram Reels (Front)

Badges

🟡 Instagram Reels  📱 Front of Phone

Scenario

Instagram Reels were actively playing while the measurement was recorded.

Recorded Measurement

Measurement

Value

Electric Field

2 V/m

Magnetic Field

137.9 mG

📸 Measurement Photograph

Observation

Scrolling Instagram Reels generated one of the highest front-side magnetic field measurements observed during our testing. This suggests that different forms of media consumption can produce different measurement patterns, even when both rely on continuous network activity.

Back of iPhone 17 Pro Max

The entire testing procedure was then repeated from the back of the device using the same activities and measurement protocol.

Test 7 — Screen Off (Back)

Badges

🟢 Screen Off  📱 Back of Phone

Scenario

The phone remained powered on with the display off and no intentional user activity.

Recorded Measurement

Measurement

Value

Electric Field

2 V/m

Magnetic Field

23.1 mG

📸 Measurement Photograph

Observation

The back of the phone produced a lower magnetic field than the front during the idle baseline while showing a small electric field measurement.

Test 8 — Screen Unlocked (Back)

Badges

🔵 Screen On  📱 Back of Phone

Recorded Measurement

Measurement

Value

Electric Field

2 V/m

Magnetic Field

22.0 mG

📸 Measurement Photograph

Observation

Unlocking the display produced almost no measurable change compared with the back-side idle baseline.

Test 9 — YouTube Streaming (Back)

Badges

🔴 YouTube  📱 Back of Phone

Recorded Measurement

Measurement

Value

Electric Field

0 V/m

Magnetic Field

193.9 mG

📸 Measurement Photograph

Observation

YouTube streaming produced one of the highest magnetic field measurements observed during the entire experiment, substantially exceeding the front-side YouTube measurement.

Test 10 — Netflix Streaming (Back)

🏆 Highest Magnetic Field Recorded

Badges

🟣 Netflix  📱 Back of Phone

Recorded Measurement

Measurement

Value

Electric Field

0 V/m

Magnetic Field

205.6 mG

📸 Measurement Photograph

Observation

This was the highest magnetic field measurement recorded during our testing. Under these conditions, Netflix streaming on the back of the phone produced the largest magnetic field observed across all twelve measurements.

Test 11 — Incoming Phone Call (Back)

Badges

🟠 Phone Call  📱 Back of Phone

Recorded Measurement

Measurement

Value

Electric Field

0 V/m

Magnetic Field

99.3 mG

📸 Measurement Photograph

Observation

The incoming phone call generated a noticeable increase compared with the idle baseline, although the magnetic field remained well below the highest values recorded during video streaming.

Test 12 — Instagram Reels (Back)

Badges

🟡 Instagram Reels  📱 Back of Phone

Recorded Measurement

Measurement

Value

Electric Field

2 V/m

Magnetic Field

117.1 mG

📸 Measurement Photograph

Observation

Instagram Reels produced a higher magnetic field than the idle and unlocked states but remained below the values observed during YouTube and Netflix streaming.

What the Photos Reveal

Looking across all twelve measurements, one pattern becomes immediately clear: there is no single EMF reading that accurately represents how the iPhone 17 Pro Max behaves.

The measurements changed depending on:

  • The activity being performed.
  • Whether the front or back of the phone was measured.
  • Whether the phone was idle, streaming video, scrolling social media, or handling a phone call.

Some activities produced only modest changes from the baseline, while others generated substantially different electric or magnetic field measurements. Perhaps most notably, the highest electric field and the highest magnetic field did not occur under the same measurement conditions or on the same side of the device.

Publishing every photograph alongside its corresponding measurement provides context that a single number cannot. Rather than highlighting only the highest reading, the complete gallery shows how the phone’s measurable behavior changed throughout everyday use, allowing readers to evaluate the full dataset instead of isolated results.

Front vs. Back: What Changed?

One of the most interesting questions we wanted to answer wasn’t simply how the iPhone 17 Pro Max measured during different activities—it was whether the front and back of the phone behaved the same way.

Many people assume a smartphone produces similar EMF readings regardless of where it’s measured. Modern smartphones, however, are complex devices containing multiple antennas, wireless radios, processors, batteries, cameras, and other electronic components distributed throughout the chassis. Because of that, we measured both the display side and the back of the phone during every test instead of relying on a single measurement.

The comparison revealed several interesting patterns.

Front vs. Back Comparison

Activity

Higher Electric Field

Higher Magnetic Field

Screen Off

Back

Front

Screen Unlocked

Back

Front

Phone Call

Front

Front

Instagram Reels

Equal

Front

YouTube Streaming

Equal

Back

Netflix Streaming

Front

Back

Netflix Produced the Largest Difference

Netflix streaming generated the most dramatic split between the two sides of the phone.

The front recorded the highest electric field measured during the entire experiment at 186.6 V/m, while the back produced the highest magnetic field at 205.6 mG.

In other words, the two highest measurements observed during our testing occurred during the same activity—but on opposite sides of the device.

YouTube Told a Different Story

YouTube streaming produced another unexpected result.

While the front of the phone measured a relatively modest 59.7 mG, the back measured 193.9 mG—more than three times higher under the same operating condition.

This reinforces the idea that where the phone is measured can influence the readings just as much as what the phone is doing.

Idle Operation Was Much More Consistent

The idle and unlocked-screen measurements showed much smaller differences between the front and back of the phone.

As the phone began performing more demanding tasks—such as video streaming and active phone communication—the differences between measurement locations became much more noticeable.

What Can We Take Away From This?

Our testing wasn’t designed to identify which internal component produced each measurement, and these observations should not be interpreted as evidence that one side of the phone is inherently “better” or “worse” than the other.

What the data does show is something much simpler:

Measurement location mattered.

Had we measured only the front of the phone, we would have missed the highest magnetic field observed during the experiment. Likewise, had we measured only the back, we would have missed the highest electric field.

That’s exactly why every activity in this study was measured from both sides of the device.

What Do These Measurements Actually Mean?

Raw measurements are valuable, but numbers by themselves rarely answer the questions people actually care about.

For example, seeing a magnetic field measurement of 205.6 mG or an electric field measurement of 186.6 V/m may seem significant in isolation. However, those numbers simply describe what our meter detected under one specific testing condition, at one moment in time, using one specific device.

By themselves, they do not answer questions such as:

  • Is this measurement harmful?
  • Should I stop using my iPhone?
  • Does streaming Netflix create a health risk?
  • Should I buy an EMF protection product?
  • Are these readings considered high or low compared to other smartphones?

Those are separate questions that require additional context.

Understanding EMF exposure involves much more than a single measurement. Factors such as how long a device is used, how close it is to the body, the strength of the wireless signal, the surrounding environment, the measurement equipment, and the current body of scientific research all contribute to the broader picture.

Our testing answers a much narrower, and much more objective, question:

What did this specific iPhone 17 Pro Max measure during common everyday activities under a consistent testing protocol?

That’s an important distinction.

This article documents field observations, not health outcomes. It doesn’t attempt to determine whether the recorded measurements are harmful, safe, or appropriate for every person or situation. Instead, it provides original measurement data that readers can evaluate alongside the testing methodology and photographic evidence.

We believe that approach is more useful than relying on isolated numbers, generalized claims, or assumptions.

Rather than telling readers what to believe, we’re documenting what we observed—and allowing the data to speak for itself.

What This Test Does, and Does Not—Show

This test documents how one iPhone 17 Pro Max measured during twelve common real-world usage scenarios using the same meter, testing procedure, and environment throughout the experiment. Before testing began, we minimized potential interference by clearing the immediate testing area of unnecessary wireless devices and keeping the testing conditions as consistent as possible. What this study does not show is whether these measurements have health implications, whether every iPhone 17 Pro Max will produce identical results, or whether the readings represent all possible real-world conditions. Instead, it provides a transparent, repeatable field observation that others can review, compare, and build upon using the complete methodology, raw measurements, and photographic evidence presented in this article.

Practical Takeaways

One of the biggest mistakes people make after seeing EMF measurements is assuming that every number requires immediate action. In reality, a measurement is just one piece of information. How close you are to your phone, how long you use it, and how you typically interact with it often matter just as much as the reading itself.

If you primarily use your phone for quick tasks like checking messages, emails, or making brief calls, the differences observed in this test are unlikely to change how you use your device. On the other hand, if you regularly spend hours streaming video, gaming, or holding your phone against your head during long conversations, you may simply want to be more mindful of how close the device remains to your body over extended periods.

For readers who prefer to reduce their day-to-day proximity to wireless devices, the easiest changes usually don’t involve buying new products. Using speakerphone during longer calls, texting instead of calling when practical, placing the phone on a desk instead of holding it continuously, or avoiding keeping it directly against your body for long periods are all simple adjustments that require little effort and no additional expense.

Our testing isn’t intended to tell you what you should do. Instead, it provides original measurements collected under a consistent testing protocol so you can make informed decisions based on your own habits, comfort level, and priorities rather than assumptions or isolated numbers.

Device Scorecard

Rather than relying on a single measurement or isolated screenshot, this report documents the iPhone 17 Pro Max using the same testing procedure across multiple real-world activities. Every result published in this article was collected using the same meter, under the same testing conditions, and is supported by photographic evidence.

Category

Result

Device Tested

Apple iPhone 17 Pro Max

Testing Method

Real-world field observation

Measurement Device

Safe and Sound Pro II EMF Meter

Measurement Types

Electric Field (V/m) & Magnetic Field (mG)

Activities Tested

6

Total Measurements

12 (Front & Back)

Photographic Evidence Included

✅ Yes

Raw Measurement Data Published

✅ Yes

Highest Electric Field

186.6 V/m (Front – Netflix Streaming)

Highest Magnetic Field

205.6 mG (Back – Netflix Streaming)

Lowest Magnetic Field

22.0 mG (Back – Screen Unlocked)

Methodology Published

✅ Yes

Laboratory Study

❌ No

Field Observation

✅ Yes


Final Verdict

Our testing showed that the iPhone 17 Pro Max did not produce one consistent EMF measurement across every activity. Instead, the electric and magnetic field readings changed depending on how the phone was being used and which side of the device was measured. Activities involving continuous network communication—particularly video streaming and phone calls—produced some of the largest changes observed during the experiment, while idle operation and simply unlocking the screen produced comparatively modest readings.

Equally important, this study demonstrates why a single measurement rarely tells the full story. Had we tested only the front of the phone, we would have missed the highest magnetic field measurement. Had we tested only the back, we would have missed the highest electric field measurement. Measuring multiple activities from both sides of the device provided a much more complete picture of how this specific iPhone behaved under our testing conditions.

This article is not intended to prove or disprove health claims, nor should these measurements be interpreted as evidence that any particular activity is inherently safe or unsafe. Its purpose is to provide transparent, first-hand data collected using a consistent and repeatable methodology.

As we continue testing additional smartphones and wireless devices using this same protocol, readers will be able to compare products using a standardized methodology rather than isolated numbers gathered under different conditions. Our goal is to build a growing library of original EMF measurements that help people make more informed decisions based on real observations rather than assumptions.


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