Screen goes blank when answering calls - Samsung Galaxy J7 Questions & Answers

The screen on my J7 is going blank every time I place a call or answer one. The phone becomes totally unresponsive; I have to wait until the other side ends the call (or pull the battery). It does not do this if I answer in the Lollipop heads-up popup window, only in the full calling/phone screen. I have tested the proximity sensor, and it is working fine. No case or screen protector on the phone. Like I said, it only goes blank with the full calling screen.
Any ideas? Thanks!
SM-J7008
Lollipop 5.1
Flashed to J7008ZMU1AQG2 (2017-07-18)

Related

Screen goes crazy during call?

Got a new tp2 from sprint. whenever i make a call it flips to home screen then off then back over and over. Also when I call voicemail, the keypad never comes up until i press keypad and while i am listening it goes back to home screen then turns off. whats going on? dam its annoying!
I'm having a similar issue. When ever I remove the phone from my ear while I'm still on a call it goes to the home screen. Very annoying. It will work as it's suppose to some of the time but I'd say 95% of the time I have this issue. Hopefully someone comes out with a fix for this.
Me too (I'm on TMobile). Also, at the end of the call when it asks if you want to add to contacts, it flips back to home if you don't respond fast enough. But the worst is when I'm dialing in for voice mail and need the touchpad; it flips to home and I have to hit the bottom left hard button to get back to the phone.
I assume it's something to do with the way it turns off the touch screen based on the proximity sensor when it's up by your ear, then turns it back on again as you move away from your ear, so no doubt there's a setting somewhere to adjust that.
same here... during a call the screen goes on and off several times. may be light sensor.... who knows
anything that prompts you to make choices by picking numbers becomes a pain unless you use speakerphone. really hoping for a fix
I have no clue if this will last but I changed the setting to lock the phone if it's unused from 30min to 1hr and that seemed to work for now. Changed it back to 30min to double check, it happened first try during the call but worked properly after.
the way its supposed to work is, when you put the phone to your ear the screen goes out when you pull it away it will come on to the call status screen(not the keypad, unless you push keypad then it should stay on keypad,but if you put it to your ear it will go off, when you pull it away it will come back on to the keypad.)this feature is so you do not push buttons with your face.
Same issue...
Orginally seemed to keep on the call status screnn, but now moves to the home screnn when pulled from head.
Any fix would be apprecaited...

[Q] Phone Sleep Too Sensitive

Hello!
I currently am running Jelly Beans ROM Build 8 on my phone and I have come across a strange problem. What I love about this phone is that, unlike my previous phone, when I would answer phone calls and put the phone to my face, the screen would black out/go to sleep so I don't accidentally end the calls with my cheek (with my previous phone I was constantly doing that). However, for some odd reason, if I answer/ignore a call, the sensitivity of the light sensor (or whatever it is called that would it on the top right corner of my phone that would help black out my screen once I put my face to it) is still on like I am in a phone call mode. For example, I go to text and my thumb gets too close to the sensor and the screen blanks out. I have to unlock it and in the process the screen blanks out. If I keep my fingers away from the sensor, it works fine, but I am so confused on why this screen sleep sensitivity continues. If I reboot my phone, it's fine and back to normal, but I don't want to keep doing that every time I answer a call or ignore it. Has anyone come across this problem or can aid me in finding out how to fix it?
Thank you! Any help would be appreciated!
Bump - anyone have any suggestions? Thanks!

Touch screen doesn't work when device woken up (Intermittent)

I've got an intermittent problem - sometimes when I wake the phone up, the touch screen doesn't work. It happens when I wake it up with the power button, when someone calls, or when an alarm wakes up the screen. That means when the problem happens, I can't answer the call, or turn off the alarm (sometimes locking the screen and waking it up immediately works).
It doesn't seem to be affected by whether or not the phone is or has been charging, whether it's been in my pocket or the temperature of the device. I've not been able to discern a pattern at all. Once the phone is unlocked and the touchscreen is working though, it works perfectly. The problem never returns while I'm using it, only if I lock it, and only sometimes.
If I leave the screen on while touch is unresponsive, I can tell when it is responsive to touch again by a line that quickly flashes along the top edge of the screen. At that point, the screen operates entirely normally.
In what may be a related item, when I'm on a call, sometimes the proximity sensor doesn't work properly and the screen turns back on and starts working. I get off the call and find my phone in a different app.
Does the Nexus 5 use the proximity sensor while the screen is off as a way to weed out unintended touches while the phone is in a pocket?
I'm going to try and store it face up over the next couple of weeks and see if the problem continues, but I was hoping that someone might have some insight.
About the phone:
I cracked the screen over the summer and had it replaced, but I didn't have any issues with it at all until I installed Lollipop. 5.0.1 hasn't made a difference

[Q] Problem with blank screen when call ending.

Hello.
I changed ROM from stock 2.3.5 to CM11 Open Desire) and now i have problem with ending calls. When i'm initiating call or respond to the incoming call, after closing phone to ear, screen goes blank. It's normally. But when i want to end this call, after removing phone from ear, sometimes screen doesn't get to work for several seconds and i can't tap the hang up button. Sometimes i have to wait for the other side to hung up to get the screen back to work. Until this, the phone not respond for buttons. Sometimes screen back to work and there is a calendar app running and bluetooth turning on (and both of them were off before call).
Sometimes everything is ok and i can't figure out - where is problem?.
I'm 100% sure that it's not a problem with proximity sensor, because on stock ROM sensor worked perfectly.

Phone stuck on a black screen during or after a call?

During a phone call screen on my samsung j7h just goes black and I cant turn it on, even after a call. I have to wait for other caller to hung up and then I can turn screen on. Sometimes it works ok - when I remove j7 of my ear screen turns on but most of times it is always black during and after a call regardless is my phone on my ear or not. I have glass protector but it is original for j7 with holes on right places. I tried *#7353# and everything works fine but during a call I have a problem. It is still lollipop.

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