Just to be sure: You removed the screen protection foil? If you applied another screen protector, does it have a cut-out for the sensor?
Same here. I haven’t made many calls but in one 5 minute call I was distracted by seeing the screen light up / turn off in the corner of my eye, and found the phone in a weird settings menu once I was off the call. I have definitely removed the screen protector and don’t use another screen protector.
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Same for me! I removed the screen protection fail and don’t use any other screen protector. However, during calls the screen does not turn off immediately, but only after a few minutes of inactivity. Conversely, if I want to finish a long call, the screen does not light up again after I have moved the phone away from my ear.
I recomend you the app Proximity Sensor Finder. If you know where it is, it’s easier to know how to hold the phone during calls.
If it still doesn’t work well, you can switch off the screen with a short press on the power button before making the call and switch it on again afterwards.
That’s how I had to do it always with FP1. FP2 however works perfectly for me.
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This app asks for many permissions that it doesn’t really need for its task.
I don’t think an app which is for testing the proximity sensor needs my location, my files, my serial numbers, my phone numbers and the telephone numbers I call.
Hi Ben,
yes, removed the foil and don’t use any other, but thanks for asking.
Randolf
Hi Irina,
yes, that was the app I used to test this. I know now where the sensor is (and thanks for the picture) but doesn’t help me much how I should hold the phone during calls, resp. I haven’t managed to find a position where the sensor works significantly better.
Switching off the screen manually after pressing the call button to initiate the call works for me, so that’s at least some workaround, thanks for the tip.
Randolf
The proximity sensor is very inaccurate on my FP2 too. My ear is hitting notifications and the backlight is pretty annoying.
I’ve tried the sensor app and it does detect my ear but the phone app does seem to pick it up.
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It’s the same with me.
The real problem is that all kinds of touch actions are being initiated when the screen does not dim.
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I do have the same issue. The screen stays on.
And sometimes I end the call unintentional.
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Hey there, having made some calls with my fairphone2 now, I observed that something is wrong with the approximation detection (or something similar).
Whenever I make a call with the FP2 on my ear, the screen switches off when holding the phone next to my cheek. So far, so good.
However, within a period of ca. 30 seconds, the screen lights up and the same moment, the phone recognizes all touches of my cheek. This sometimes makes the phone hang up, just dial some random numbers, or do other weird stuff (like muting the call or switching to speakerphones which is particularly funny having the thing right next to my ear 
)
The only solution is to move the phone away and slowly moving it bact to my ear, to switch the screen off again. However, sooner or later, the problem reappears. This happens very often and during some calls almost constantly.
How can I fix this? Is there a sensitivity value somewhere or is something broken? The phone is not really useable like this and after all, I want to use my phone for making calls mainly.
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That the screen got active while calling happened from time to time also for me.
I would say it is a combination of these issues
- problem with the sensitivity of the proximity sensor
(people complain about a too or a too low sensivity…) - the position of the sensor (quite far [2cm] away from the middle of the speaker) and
- the big size of the phone
–> so already a small tilt/move of the phone can move the sensor some mm-cm away from the skin and can cause the screen going active.
I have no idea, how to solve this issue properly, as there is no setting for the sensitivity up to now.
Furthermore I found some bad combinations of factors during making a call:
- speaker is not very loud
- –> needs to bring it very close to the ear
- –> the quite hard edge of the FP2-bumper/case presses against my ear, which I find very uncomfortable (especially for longer calls, which ending up with a hot and red ear for me
) - plus: my headset is the wrong to work with the FP2, as it supports only the wrong standard (which the FP1 had)…
I don’t know if we should push the proximity sensor problem to the bug-list or at least to the feature request list?
Similar issues are reported here and here and [here] (FP2 proximity sensor not reliably turning off screen during calls - See first Post for Workarounds) and here and here
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I seriously hope it can be resolved with a bugfix. If it’s a Design flaw, this phone won’t work for me.
Speaker volume is an issue for me as well. The Speakers are not loud enough, while my old Samsung headset is incredibly loud even on the lowest volume setting and hurts my ear when i use it.
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I don’t understand your problems.
The sensor is relatively near to the edge, but since I knew that, I didn’t have any problems at all.
In addition to that, I have to set the sound (Press volume keys while talking) to the middle, because it’s far too loud for me. 
About the question “is it a bug or feature request”: I guess the proximity sensor sensitivity could be optimized a little in general, but since real problems only happen for a few people a setting to alter sensitivity on your phone would make sense too.
So as I see now, the sensor can only detect 5cm in distance.
With this I believe tweaking is only possible very limited here…
I think it It is just in a unlucky position at this large phone near the corner…
With this it is really easy make the sensor active accedently :-/
Increasing the response time is maybe also not the best way, as people complain about a slow reacting screen after the call…as we know form FP1…
For me with FP2 it works perfectly now, but with FP1 it was a real pain in the ass. So I learned to press the on/off button before I started a call (before talking) and to press it again before ending the call. That’s no a real solution, but a quick and easy to get used to workaround…
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The feature request is not about sensitivity, but about reaction time. I don’t know whether it is possible to change the distance when the proximity sensor is triggered.
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