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Screen goes black when you make a call on 5.1, try this.

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jackpollard

Senior Member
Aug 17, 2013
716
355
I'm not a screen protector salesman, nor do I have stock in one. This worked for me, but your milage may vary.

I updated to 5.1 yesterday and since then, every single time I made a call my screen would go black and become unresponsive. When the person at the other end hung up, it would eventually come back. I figured it was the rom and/or kernel. I tried as many rom, kernels and combinations as I could and nothing. I eventually found a thread sharing that the sensor became more sensitive in the upgrade and even if you never had an issue in 5.0, your screen protector is probably the issue. I thought no way, I paid like $20, really liked the protection and it never caused an issue, it was a tempered glass protector and clear as day, but I was desperate.
The second I took it off and pressed enter on a call, no black screen. I could actually make a call, cover the sensor with my protector and the screen went black.
I know it sucks, i really didn't want to change my protector, but I could not use the phone the way it was.
 

neyenlives

Senior Member
Oct 11, 2010
3,416
868
I'm not a screen protector salesman, nor do I have stock in one. This worked for me, but your milage may vary.

I updated to 5.1 yesterday and since then, every single time I made a call my screen would go black and become unresponsive. When the person at the other end hung up, it would eventually come back. I figured it was the rom and/or kernel. I tried as many rom, kernels and combinations as I could and nothing. I eventually found a thread sharing that the sensor became more sensitive in the upgrade and even if you never had an issue in 5.0, your screen protector is probably the issue. I thought no way, I paid like $20, really liked the protection and it never caused an issue, it was a tempered glass protector and clear as day, but I was desperate.
The second I took it off and pressed enter on a call, no black screen. I could actually make a call, cover the sensor with my protector and the screen went black.
I know it sucks, i really didn't want to change my protector, but I could not use the phone the way it was.

which screen protector? if it's not properly cut or is an old plastic type protector that's probably the problem. The good properly cut tempered glass screen protectors don't seem to have this issue.
 

Baalinooo

Member
Oct 7, 2014
12
1
Same problem here, but worse.

When the screen went black during the call, the phone shut down, and has been misbehaving ever since, I've still not been able to unlock it fully. I suspect the Device Protection feature of 5.1 (anti-theft) to be the cause of the problem... :(

Images of problem: http://imgur.com/a/cizWc

Any idea of what I should do?
 

jackpollard

Senior Member
Aug 17, 2013
716
355
which screen protector? if it's not properly cut or is an old plastic type protector that's probably the problem. The good properly cut tempered glass screen protectors don't seem to have this issue.

I used Skinomi Tech Tempered Glass ultra thin, it was rated well. It did cover the sensor, but like I said, never had an issue on 5.0 and and once I took it off, worked like a charm. You have a suggestion for a good tempered glass protector?
 

jackpollard

Senior Member
Aug 17, 2013
716
355
Same problem here, but worse.

When the screen went black during the call, the phone shut down, and has been misbehaving ever since, I've still not been able to unlock it fully. I suspect the Device Protection feature of 5.1 (anti-theft) to be the cause of the problem... :(

Images of problem: http://imgur.com/a/cizWc

Any idea of what I should do?

Dang man, that's way past my "take the screen protector off" fix. I'm thinking you have a more complex issue. Were you unlocked and rooted? Custom rom or kernel? The allow oem unlock checked in dev settings? Can you do a full wipe and step through the flash process in fastboot?
 

Baalinooo

Member
Oct 7, 2014
12
1
Completely stock. I found a workaround. Remove the SIM card before powering-up. This time I am first asked to draw my unlock pattern, as it is supposed to do. Then, let the phone boot to my homescreen and then only I replace the SIM card. I am asked for my PIN et voilà.

I think the new anti-theft feature is indeed at fault. It is somehow overridden by the PIN request. Oh well, at least my phone works now :)

---------- Post added at 02:55 PM ---------- Previous post was at 02:44 PM ----------

Regarding the screen proximity sensor problem.

Do you think a deliberately smaller tempered glass screen protector would work?

http://www.amazon.com/Orzly®-Tempered-Protective-Protector-SmartPhone/dp/B00ORYY4IO

Where is the sensor located on the screen? Between the camera and top speaker?
 
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rmanaka

Senior Member
Jul 15, 2005
705
54
I've been using a Zagg GSP with the same problems... So far removing it has been my only fix. Didn't have problems before 5.1 even with some haloing!

I think the proximity sensor is to the left of the top speaker. If you hold the phone just right in the light you can see two little dots under the glass.
 

photonicgeek

Senior Member
Oct 7, 2013
234
355
I've been using a Zagg GSP with the same problems... So far removing it has been my only fix. Didn't have problems before 5.1 even with some haloing!

I think the proximity sensor is to the left of the top speaker. If you hold the phone just right in the light you can see two little dots under the glass.

You should call Zagg at 18007009244 . I just called and they said that it was the first reported case, and that if enough people called in, they would investigate. They also said that you can remove the existing screen protector, use some other one, and just get a warranty replacement if/when a new Zagg GSP comes out.
 

xxsanioutlawxx

Senior Member
Mar 21, 2009
312
76
Portland, OR
Xtremeguard fixed this issue in their spartan glass. They also fixed the "halo-ing" issue many protectors have. They made cutouts for the camera and sensors. I'll post pics once I get home. I encountered OPs glitch with the original spartan glass I had (1st gen?).
 

xxsanioutlawxx

Senior Member
Mar 21, 2009
312
76
Portland, OR
I used Skinomi Tech Tempered Glass ultra thin, it was rated well. It did cover the sensor, but like I said, never had an issue on 5.0 and and once I took it off, worked like a charm. You have a suggestion for a good tempered glass protector?

Hey man, as I suggested, try xtremeguard. Here are some pics and they have cutouts for the camera and sensors. They usually have sales; don't buy it regular price, its ridiculous! Here's a code I found that works if you purchase two items: Spring90

Or if you want just one, use 75off

I just use their glass protectors on all my devices and I've had good experiences with them. They now ship their glass in a hard plastic case; less chances of breaking. Pictures attached!
 

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drscott333

Senior Member
Dec 24, 2010
72
12
Is this issue really just limited to people with screen protectors? I have the Zagg HDX and am having this same problem. I really don't want to replace my screen protector and don't want to have to go back to a non 5.1 ROM. Unfortunately I do spend a lot of time making phone calls at work and need to dial extensions which I'm unable to do because of this.

Are there any kind of Kernel modifications or system settings that can be adjusted to fix the issue?
 

xxsanioutlawxx

Senior Member
Mar 21, 2009
312
76
Portland, OR
Is this issue really just limited to people with screen protectors? I have the Zagg HDX and am having this same problem. I really don't want to replace my screen protector and don't want to have to go back to a non 5.1 ROM. Unfortunately I do spend a lot of time making phone calls at work and need to dial extensions which I'm unable to do because of this.

Are there any kind of Kernel modifications or system settings that can be adjusted to fix the issue?

Yes it really is. I had the problem on my Nexus 4 with a protector so I made sure to buy a protector with cutouts on my Nexus 5. I thought they would have fixed it on the Nexus 6, although it is still very sensitive. I had the problem with a full glass protector and my screen would stay off during a call even after using the power button. So I emailed xtremeguard and fortunately they modified their guard to have cutouts for the sensors as you can see in the pics I posted on the last page.
 

jackpollard

Senior Member
Aug 17, 2013
716
355
Is this issue really just limited to people with screen protectors? I have the Zagg HDX and am having this same problem. I really don't want to replace my screen protector and don't want to have to go back to a non 5.1 ROM. Unfortunately I do spend a lot of time making phone calls at work and need to dial extensions which I'm unable to do because of this.

Are there any kind of Kernel modifications or system settings that can be adjusted to fix the issue?

There was some talk about an issue with the sensors and 5.1 causing the issue also, but it seemed it was a small minority that had this issue. As far as I know, you have to bite the bullet and peel off the protector. I tried 3 different kernels and 3 different roms and nothing at all worked. The good news is they have plenty of cheap alternatives that have the cut-outs. Good luck.
 
Last edited:

redthat_X1_Z1

New member
Mar 25, 2015
1
0
I used Skinomi Tech Tempered Glass ultra thin, it was rated well. It did cover the sensor, but like I said, never had an issue on 5.0 and and once I took it off, worked like a charm. You have a suggestion for a good tempered glass protector?

Skinomi is aware of the issue. I wasn't sure what was causing it until i found this thread. Removed my protector and problem was fixed. It looks like Skinomi is aware of the issue though, contacted them and got a replacement since i had removed my glass protector. The replacement glass no longer covers the sensor.
 

u4atharva

Senior Member
Apr 18, 2013
77
5
Nagpur
No need to remove your screen protector. Just head to Accessibility--> Turn on 'Power Button ends call' and Boom!
I too had the same problem just after upgrading to 5.1
Tried this and it works like a charm. No issues till now. I hear that 5.1 messed the sensitivity of the proximity sensors. But lucky enough for us, 5.1.1 has a patch to fix this issue. Till you get an update for 5.1.1 just keep enabled Power Button ends call, and you'll be just fine. No need to spoil your completely alright $20 screen protector ;)
Thanks!
 

zacj12

New member
Jun 7, 2016
1
0
The only thing that worked for me !

Hi,

I empathize with you. I found myself buying a Nexus 5 in India in 2013 with a lot of excitement and the same happened after upgrading to lollipop and then marshmallow. I removed am imported tempered glass screen protector and that didn't work. Next, I downgraded to KitKat 4.4.4 and that didn't work. Google's product forum was a waste of time. Their rep said the same things: remove the screen protector, clear cache and finally do a factory data reset. I'm not from a technical background and after saying prayers which I said only in my childhood, the below is what finally what worked for me:

1) Downgraded to KitKat 4.4.4. I have a MacBook so used this YouTube link:
https://youtu.be/pzzDxrccZO8

2) Rooted my device using King root. Link:
http://forum.xda-developers.com/android/apps-games/one-click-root-tool-android-2-x-5-0-t3107461

2) Installed Xposed framework. Link:
http://repo.xposed.info/module/de.robv.android.xposed.installer

3) Disabled the proximity sensor from Xposed framework. This YouTube link helped:
https://youtu.be/hPRujBMeuz0

Hallelujah ! I can see my screen again when making calls. Like I said, I'm from a human resources background and literally prayed like Armageddon had just started before doing all the above. I can't guarantee if these will brick your phone or put it in some perpetual bootloop mode, so do it at your own risk ! Started believing strongly in God but disbelieving in Android after this whole bloody experience.

Cheers !:good:
 

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    Completely stock. I found a workaround. Remove the SIM card before powering-up. This time I am first asked to draw my unlock pattern, as it is supposed to do. Then, let the phone boot to my homescreen and then only I replace the SIM card. I am asked for my PIN et voilà.

    I think the new anti-theft feature is indeed at fault. It is somehow overridden by the PIN request. Oh well, at least my phone works now :)

    ---------- Post added at 02:55 PM ---------- Previous post was at 02:44 PM ----------

    Regarding the screen proximity sensor problem.

    Do you think a deliberately smaller tempered glass screen protector would work?

    http://www.amazon.com/Orzly®-Tempered-Protective-Protector-SmartPhone/dp/B00ORYY4IO

    Where is the sensor located on the screen? Between the camera and top speaker?
    1
    Same behavior with Skinomi tempered glass protector. Took it off and the phone works fine.