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Hello!
A few days ago my desire s started acting very weird. Sometimes the four buttons don't work (home, back, etc.) and sometimes my finger gestures aren't recognised. For example if I want to call somebody and then click on the home button my device thinks I pressed on the call button instead. Or if I am in some menu and I click on some of the four buttons, my desire s thinks I pressed the display somewhere else on the screen. Sometimes it helps if I turn the display off and then immediately on. But after a few clicks the same behaviour again.
I wanted to install a custom rom anyway, so I did a full wipe and installed Fallout. But nothing changed. Do you think my device is broken?
Ive had this top my screen was replaced under warranty mine was stick at the time
Sent from my HTC Desire S using xda premium
ratzer said:
Hello!
A few days ago my desire s started acting very weird. Sometimes the four buttons don't work (home, back, etc.) and sometimes my finger gestures aren't recognised. For example if I want to call somebody and then click on the home button my device thinks I pressed on the call button instead. Or if I am in some menu and I click on some of the four buttons, my desire s thinks I pressed the display somewhere else on the screen. Sometimes it helps if I turn the display off and then immediately on. But after a few clicks the same behaviour again.
I wanted to install a custom rom anyway, so I did a full wipe and installed Fallout. But nothing changed. Do you think my device is broken?
Click to expand...
Click to collapse
Your phone has somehow been exposed to high temperatures?
Not that I am aware of. Though these things happened when I was out in the garden playing with my phone while the weather was pretty hot (about 30 degrees). But I don't think that you mean that with high temperatures, do you?
ratzer said:
Not that I am aware of. Though these things happened when I was out in the garden playing with my phone while the weather was pretty hot (about 30 degrees). But I don't think that you mean that with high temperatures, do you?
Click to expand...
Click to collapse
Excessive heat can lead to detachment of the adhesive that is bonded touchscreen, it's not making edge contact. It happened to my ex HTC Hero on a sunny day (the phone was black)
Have you tried factory reset maybe this fixes it
Sent from my HTC Desire S using xda premium
kamei said:
Have you tried factory reset maybe this fixes it
Sent from my HTC Desire S using xda premium
Click to expand...
Click to collapse
It happened here sometimes with gingerbread stock while on *charging*! Only when charging. It's not happening on ICS RUU update.
I had the same problem a fortnight to a week back... exactly as OP describes (phone 6 months old from new). I've factory reset and changed ROMs, the problem remains.
But since 4 days now, my phone has become completely unusable.
The back and menu touch buttons don't work at all now. And some area's of the screen are dead, and brown coloured.
It's a PITA every time I have to type anything as my keyboard keys don't work at all (and other area's). Then, randomly, after 2-10 seconds, none of the keys or phone touchscreen will work until I off->on the screen.
Anyone please any idea of a fix (to me, it looks like hardware)?
If not, anyone ANY idea how to add a back button somehow? Or even assign the search button the back button function?
I desperately need the back button working. TIA!
I have exactly the same problem with my Desire S (stock ICS). Anybody of you solved this?
Thanks.
I haven't been able to find this problem documented anywhere so I thought I'd ask.
It seems that my Nexus 5 has suddenly began turning on when being held at a certain angle. I believe that the proximity sensor has something to do with it. It started to happen after I was on the phone for a couple of hours. I've tried restarting, and switching from Art to Dalvik.
Is anyone else familiar with this problem or a solution? It's driving me nuts!
Thanks
onewaylife4all said:
I haven't been able to find this problem documented anywhere so I thought I'd ask.
It seems that my Nexus 5 has suddenly began turning on when being held at a certain angle. I believe that the proximity sensor has something to do with it. It started to happen after I was on the phone for a couple of hours. I've tried restarting, and switching from Art to Dalvik.
Is anyone else familiar with this problem or a solution? It's driving me nuts!
Thanks
Click to expand...
Click to collapse
Are you using a case? it might be pressing the power button.
I have using a case, but there is an oversized cutout around the power button. I am almost certain that this is related to a bug with the proximity sensor.
Mine, when using stock kernel would sometimes turn on by itself after pulling it from my shirt pocket..
Hasn't happened since I stopped using stock kernel.
Doesn't seem too common another poster, think whozilla saw this behavior as well.
No biggie.just odd.
WR
Sent from my Nexus 5
onewaylife4all said:
I have using a case, but there is an oversized cutout around the power button. I am almost certain that this is related to a bug with the proximity sensor.
Click to expand...
Click to collapse
does it turn ON after you power the phone OFF
or you mean that it wakes up from sleep state randomly?
GUGUITOMTG4 said:
does it turn ON after you power the phone OFF
or you mean that it wakes up from sleep state randomly?
Click to expand...
Click to collapse
No, it won't turn on if the phone if OFF. I'm referring to it "waking up". It will wake up simply by holding the phone at a certain angle and distance away from the body.
onewaylife4all said:
No, it won't turn on if the phone if OFF. I'm referring to it "waking up". It will wake up simply by holding the phone at a certain angle and distance away from the body.
Click to expand...
Click to collapse
Are you using a custom Rom/kernel? if so, try installing a new Rom
If that happens to be a hardware problem, It could be more related to the power button than the P.sensor
Most common issues related to the sensor is that screen stays off. Eventually, a screen protector can produce that, but not in your case.
The proximity sensor won't notice the angle you tilt the phone at (compass sensor does). It needs to detect something in front of it closer than +-1 inch to act up and should
turn off the screen when in a phone call. There's no much reason to turn on screen because it is not its function and much less if not phone call is happening.
Maybe the USB port is dirty and thinks you plugged a charger
or power ribbon/connector is loose inside, if any.
I have a Moto G and it seems like the screen response sometimes just stops working. When it is working all is well. I have tried few of the touch applications and they are all good. If i put it into sleep and press the power button, i can unlock the phone but no response at the home screen. Sometimes it works great for hours and then would stop. Don't think its a screen issue.
It's out of warranty so sending it back is out of question. I don't think it ever got wet or water damaged. Don't know much of the history on this. Would appreciate the help.
EDIT:
1) I reflashed the stock Telus Rom again last night, but issue hasn't changed much.
2) I disabled the lockscreen (set to none) and seems like it only registers one touch then stops as was the case with the lockscreen. Sometimes it just keeps working fine.
Just trying to figure out if its a software issue or a touchscreen issue. The hard buttons all work fine.
Stock? Which version?
Third party ROM or Kernel?
Does it happen randomly or only while connected to the charger or USB?
rmrbpt said:
Stock? Which version?
Third party ROM or Kernel?
Does it happen randomly or only while connected to the charger or USB?
Click to expand...
Click to collapse
Kitkat 4.4.4 Stock Telus/Kodoo Rom.
Happens Randomly.
EDIT: Added some notes above.
If it keeps doing it after a full clean flash then I would bet it's an hardware problem...
rmrbpt said:
If it keeps doing it after a full clean flash then I would bet it's an hardware problem...
Click to expand...
Click to collapse
Hardware wise is it the lcd/digitizer or motherboard ? Trying to figure that out.
Sorry, can't give any insight on that. I don't even know if there is an easy way to be able to know what of those two is faulty.
Just out of curiosity. Are you in a very moist/damp/humid (not sure what's the right word for this) area?
Do you have sweaty fingers?
I'm asking this because I also feel kind of an unresponsiveness whenever the screen has any moist on it or if my fingers are sweaty.
So I've tried factory wiping and installing a few different roms and no matter which one I go to I keep getting these random reboots. This is particularly troubling when I restore an older rom that I know I was not having this particular issue on.
It is making my phone pretty close to unusable since it will often go into an "Optimizing apps!" speil draining battery and taking an obnoxiously long time to reboot. Not sure what is up. Any suggestions?
Snow_fox said:
So I've tried factory wiping and installing a few different roms and no matter which one I go to I keep getting these random reboots. This is particularly troubling when I restore an older rom that I know I was not having this particular issue on.
It is making my phone pretty close to unusable since it will often go into an "Optimizing apps!" speil draining battery and taking an obnoxiously long time to reboot. Not sure what is up. Any suggestions?
Click to expand...
Click to collapse
Try with a clean flash (or the factory images) without user data/modifications and see if your RRs are still there.
Is the power button stuck by any chance?
Primokorn said:
Try with a clean flash (or the factory images) without user data/modifications and see if your RRs are still there.
Click to expand...
Click to collapse
I've factory reset a few times and wiped everything except internal storage pretty much. Even tried wiping user data just to see if it would help
dicecuber said:
Is the power button stuck by any chance?
Click to expand...
Click to collapse
I don't think it's getting stuck it still seems to go in and out properly. I even took it out the case just to make sure there wasn't something I couldnt' seee putting pressure on it
Snow_fox said:
I've factory reset a few times and wiped everything except internal storage pretty much. Even tried wiping user data just to see if it would help
I don't think it's getting stuck it still seems to go in and out properly. I even took it out the case just to make sure there wasn't something I couldnt' seee putting pressure on it
Click to expand...
Click to collapse
The button will NOT seem to be stuck, even if it is, as the contact is made internally. My bro´s Nexus had this problem, and by the end it kept rebooting constantly because the button was making contact on its own. I fixed it by tapping vigorously at the area between the power button and the camera and that made it work.
A way to know if it is stuck could be to press the volume down key as soon as it restarts, if it goes into recovery, then there is no doubt the power button is stuck.
Don´t dismiss hardware problems, as many Nexus are affected by the power button issue and you already tried software solutions which didn´t work.
Hope you sort it out. Remember to use an app to avoid pressing the button so much, such as when waking the device. I recommend Gravity Screen, but there are many other options.
simonarturo said:
The button will NOT seem to be stuck, even if it is, as the contact is made internally. My bro´s Nexus had this problem, and by the end it kept rebooting constantly because the button was making contact on its own. I fixed it by tapping vigorously at the area between the power button and the camera and that made it work.
A way to know if it is stuck could be to press the volume down key as soon as it restarts, if it goes into recovery, then there is no doubt the power button is stuck.
Don´t dismiss hardware problems, as many Nexus are affected by the power button issue and you already tried software solutions which didn´t work.
Hope you sort it out. Remember to use an app to avoid pressing the button so much, such as when waking the device. I recommend Gravity Screen, but there are many other options.
Click to expand...
Click to collapse
Holding down volume after one reset actually put me into recovery. Plus it's restarting at times in recovery now :/
I doubt it's under warranty since I got it in feb 2014 x.x
Snow_fox said:
Holding down volume after one reset actually put me into recovery. Plus it's restarting at times in recovery now :/
I doubt it's under warranty since I got it in feb 2014 x.x
Click to expand...
Click to collapse
If you got it directly from Google, I'd try calling them up and asking for a replacement even if you are a few months off the warranty period, I have read some stories of them honoring warranties in order to get rid of stock. That'd be true even now that the new Nexus is supposedly releasing this year. Nothing wrong with trying, you might get a new, shiny phone.
That being said, don't worry, it's perfectly fixable. The part that gets stuck is not the button itself, but the part that goes into the motherboard, so don't bother fiddling with the black button. I managed to fix my brother's button by doing the following:
- Clean the area between the button and phone of debris or any dirt that could be causing it to be stuck. This is just to be on the safe side, as it is unlikely that it is the cause of the malfunction.
- Take the case off the phone if you haven't, and then put it upside down and tap vigorously with your fingers in the area between the camera and the power button. It might not work the first few times, but it eventually will release the part that is stuck.
- As soon as you can get it to turn on without rebooting itself, install Gravity Screen, or any other app that replaces the power button to wake up or turn the screen off. You are looking to use the button as few times as possible.
After doing that, his Nexus went for being unusable due to constant reboots to working fine. It's been almost 6 months since it happened so it is bound to work, just don't lose heart and patiently work at it. Tap a bit harder if it's not working. Let us know whether you managed to fix it.
simonarturo said:
The button will NOT seem to be stuck, even if it is, as the contact is made internally. My bro´s Nexus had this problem, and by the end it kept rebooting constantly because the button was making contact on its own. I fixed it by tapping vigorously at the area between the power button and the camera and that made it work.
A way to know if it is stuck could be to press the volume down key as soon as it restarts, if it goes into recovery, then there is no doubt the power button is stuck.
Don´t dismiss hardware problems, as many Nexus are affected by the power button issue and you already tried software solutions which didn´t work.
Hope you sort it out. Remember to use an app to avoid pressing the button so much, such as when waking the device. I recommend Gravity Screen, but there are many other options.
Click to expand...
Click to collapse
simonarturo said:
If you got it directly from Google, I'd try calling them up and asking for a replacement even if you are a few months off the warranty period, I have read some stories of them honoring warranties in order to get rid of stock. That'd be true even now that the new Nexus is supposedly releasing this year. Nothing wrong with trying, you might get a new, shiny phone.
That being said, don't worry, it's perfectly fixable. The part that gets stuck is not the button itself, but the part that goes into the motherboard, so don't bother fiddling with the black button. I managed to fix my brother's button by doing the following:
- Clean the area between the button and phone of debris or any dirt that could be causing it to be stuck. This is just to be on the safe side, as it is unlikely that it is the cause of the malfunction.
- Take the case off the phone if you haven't, and then put it upside down and tap vigorously with your fingers in the area between the camera and the power button. It might not work the first few times, but it eventually will release the part that is stuck.
- As soon as you can get it to turn on without rebooting itself, install Gravity Screen, or any other app that replaces the power button to wake up or turn the screen off. You are looking to use the button as few times as possible.
After doing that, his Nexus went for being unusable due to constant reboots to working fine. It's been almost 6 months since it happened so it is bound to work, just don't lose heart and patiently work at it. Tap a bit harder if it's not working. Let us know whether you managed to fix it.
Click to expand...
Click to collapse
I'm going to get in contact with google. I tried pushing down on the area between the camera and it didn't help much. It has started working again properly after a really peculiar work around. I just don't want to have to be super cautious of a button for the rest of the time i own my device :/
Snow_fox said:
I'm going to get in contact with google. I tried pushing down on the area between the camera and it didn't help much. It has started working again properly after a really peculiar work around. I just don't want to have to be super cautious of a button for the rest of the time i own my device :/
Click to expand...
Click to collapse
Please detail the peculiar work around you mention...
Sent from my XT1095 using Tapatalk 2
mazubo said:
Please detail the peculiar work around you mention...
Sent from my XT1095 using Tapatalk 2
Click to expand...
Click to collapse
Well someone mentioned maybe trying to clean it out somehow. I tried canned air and that didn't do anything so I formed a seal over the button using my mouth and then proceeded to exhale. It has yet to give me any trouble since then.
Had exactly the same issue, reboots over and over again, couldn't boot to bootloader without reboot...
What helped for me was something I read somewhere else, don't remember where, was knocking on the back cover between camera lense and the power switch, did it 4 days ago and it works since than..
Snow_fox said:
I formed a seal over the button using my mouth and then proceeded to exhale.
Click to expand...
Click to collapse
Sounds sexual
You can take the back cover off, and if you are careful there is no sticker or seal that would tell google you have opened the device. It is difficult to pull all the way off, the vibration motor is attached to the case back and comes off with it so it would seem stuck. You just have to keep pulling.
aaargh777 said:
Had exactly the same issue, reboots over and over again, couldn't boot to bootloader without reboot...
What helped for me was something I read somewhere else, don't remember where, was knocking on the back cover between camera lense and the power switch, did it 4 days ago and it works since than..
Click to expand...
Click to collapse
Pressing on the area between the camera and the on switch seems to help a lot of people it didn't seems ot have much of an effect for me. While my phone hasn't given me issues since shortly after I posted this thread I'm kinda worried I'm one drop away from the issue coming back
dicecuber said:
Sounds sexual
Click to expand...
Click to collapse
No way to avoid it sounding that way I fear.
fwayfarer said:
You can take the back cover off, and if you are careful there is no sticker or seal that would tell google you have opened the device. It is difficult to pull all the way off, the vibration motor is attached to the case back and comes off with it so it would seem stuck. You just have to keep pulling.
Click to expand...
Click to collapse
Would this allow me to repair it?
Yeah but you'd need to unscrew a plastic cover that is inside the phone. Phillips head screws, jewelers screwdriver size. Depends on if its dirt or a broken switch though.
fwayfarer said:
Yeah but you'd need to unscrew a plastic cover that is inside the phone. Phillips head screws, jewelers screwdriver size. Depends on if its dirt or a broken switch though.
Click to expand...
Click to collapse
Sorry to disappoint everyone but this is a widespread problem that google is aware of fro some time now. It's not the power button but it's burried deep in the software and appreas to have popped up right after the Lollipop 5.1 up date. Check out all the posts on Google
https://productforums.google.com/forum/#!topic/nexus/IJSOuc7gw0w[376-400]
While it apprears to be confined to the Nexus 5 I have had it happen with my nexus 4 just running stock L 5.1
I hope that casts some light on it
Weirdly enough, my power button works flawlessly on 5 and 5.1. Red 32gb from the google play store. I've opened the case multiple times and put Arctic silver knockoff heat compound in sloppily and without regard, no issues other than sprint screwing up their spark LTE rollout.
Blacksmith5 said:
Sorry to disappoint everyone but this is a widespread problem that google is aware of fro some time now. It's not the power button but it's burried deep in the software and appreas to have popped up right after the Lollipop 5.1 up date. Check out all the posts on Google
https://productforums.google.com/forum/#!topic/nexus/IJSOuc7gw0w[376-400]
While it apprears to be confined to the Nexus 5 I have had it happen with my nexus 4 just running stock L 5.1
I hope that casts some light on it
Click to expand...
Click to collapse
Sorry, I disagree. While some instances might be related to software, it has been proven that there is in fact a problem with the physical button getting stuck on Nexus 5 phones. You can check it online and will find lots of hits and even YouTube videos, most of them around the time before lollipop.
Best way to check whether it is software or hardware is to press the volume down key when your phone reboots by itself. If it takes you to the recovery, you can bet your cat that it is not lollipop's fault
So I'm suspecting that I have the wonky power button too but.....
I haven't been able to get it to go to recovery when pressing power down and I've defintely had a few restarts very recently.
More importantly, and something that I haven't seen anyone else post about; more often than not my N5 just shuts down. It's usually when I've doing something with the phone (today was flicking through my GPM library). I'll power it back on and it will boot cleanly and then (more often than not) power down again. Other times it will bootloop, but that's rare. It seems to me that if I let it boot up and then don't touch it for a while, it will stay up but I'm not sure that's consistent.
Anyone else seen or heard of the power button causing a powerdown instead of bootloop?
techinv said:
So I'm suspecting that I have the wonky power button too but.....
I haven't been able to get it to go to recovery when pressing power down and I've defintely had a few restarts very recently.
More importantly, and something that I haven't seen anyone else post about; more often than not my N5 just shuts down. It's usually when I've doing something with the phone (today was flicking through my GPM library). I'll power it back on and it will boot cleanly and then (more often than not) power down again. Other times it will bootloop, but that's rare. It seems to me that if I let it boot up and then don't touch it for a while, it will stay up but I'm not sure that's consistent.
Anyone else seen or heard of the power button causing a powerdown instead of bootloop?
Click to expand...
Click to collapse
You will need to troubleshoot this the old-fashioned way. Have you installed any updates, apps, mods or anything recently?
Best case scenario would be that you flash a stock image without restoring apps, kernel or any mods. Run the phone for some time, couple of days or so, and be on the lookout for power downs or reboots. After that, you can try adding a few apps at a time and keep checking. If the phone reboots even with a clean factory image, then I'd have to say the hardware is faulty. Could be the power button, could be something else.
Try it out and let us know
Hello!
After locking the phone, it happens that sometimes the power button won't turn on the display.
The button is still working, because it is possible to start the Flashlight (long press power button) or open the camera app (double tap power button, can hear the sound).
I'm using the latest lineageos 14.1 version.
Does anybody how to fix this?
AwildPikachu said:
Hello!
After locking the phone, it happens that sometimes the power button won't turn on the display.
The button is still working, because it is possible to start the Flashlight (long press power button) or open the camera app (double tap power button, can hear the sound).
I'm using the latest lineageos 14.1 version.
Does anybody how to fix this?
Click to expand...
Click to collapse
rajat.arora said:
same thing happen with me from last 3 days. don't know what is the problem. but it wake in 1-2 minutes. .i can listen screen unlock sound. and lock sound but display is black.
Click to expand...
Click to collapse
Faulty display.
Not faulty display. Happened to me with oreo roms, nougat roms are ok.
Also with some themes applied too
rajat.arora said:
same thing happen with me from last 3 days. don't know what is the problem. but it wake in 1-2 minutes. .i can listen screen unlock sound. and lock sound but display is black.
Click to expand...
Click to collapse
I installed the official Oxygen OS and still have the same problem.
Mr.Ak said:
Faulty display.
Click to expand...
Click to collapse
I don't think so, because my display got replaced.
Destrocamil said:
Not faulty display. Happened to me with oreo roms, nougat roms are ok.
Also with some themes applied too
Click to expand...
Click to collapse
You ever thought why everyone else is using Oreo roms without display issues and you can't? Hmm,I see faulty display.
---------- Post added at 08:12 AM ---------- Previous post was at 08:10 AM ----------
AwildPikachu said:
I don't think so, because my display got replaced.
Click to expand...
Click to collapse
I'm afraid it is a faulty replacement then.
AwildPikachu said:
Hello!
After locking the phone, it happens that sometimes the power button won't turn on the display.
The button is still working, because it is possible to start the Flashlight (long press power button) or open the camera app (double tap power button, can hear the sound).
I'm using the latest lineageos 14.1 version.
Does anybody how to fix this?
Click to expand...
Click to collapse
As ridiculous as that may sound i think it's a problem with your button, you will have to desolder this and resolder a new one. I used to have the same problem, button didn't work like 2/10 at first, and that rate kept increasing. With use and tear it kept worsening. I bought soldering iron and replaced the button, it now works freakin' great.
Europe link: https ://www. ebay. com /itm/For-OnePlus-One-Replacement-Power-Button-Flex-Cable-OEM/152114356352?epid=685628822&hash=item236ab8e080:g:C20AAOSwLF1YB02h
just remove the spaces and you're ready to go!
If this was any helpful to you please make sure to click the thanks button .
filippos96 said:
As ridiculous as that may sound i think it's a problem with your button, you will have to desolder this and resolder a new one. I used to have the same problem, button didn't work like 2/10 at first, and that rate kept increasing. With use and tear it kept worsening. I bought soldering iron and replaced the button, it now works freakin' great.
Europe link: https ://www. ebay. com /itm/For-OnePlus-One-Replacement-Power-Button-Flex-Cable-OEM/152114356352?epid=685628822&hash=item236ab8e080:g:C20AAOSwLF1YB02h
just remove the spaces and you're ready to go!
If this was any helpful to you please make sure to click the thanks button .
Click to expand...
Click to collapse
Okay that sounds strange. I can give it a try.
Now that i see this Thread again, it's far more likely that your lcd just died or partially did. Although if it turns on sometimes like your state, "that sometimes the power button won't turn on the display" it may be a bad teared down soldering on either the power button on the lcd pcb. Get it to a repair shop and ask for a check, if you don't mine you cant open your back cover and remove the screws so you let the motherboard pcb exposed, with a high quality picture we should be able to see if the power button is the problem or not.
filippos96 said:
Now that i see this Thread again, it's far more likely that your lcd just died or partially did. Although if it turns on sometimes like your state, "that sometimes the power button won't turn on the display" it may be a bad teared down soldering on either the power button on the lcd pcb. Get it to a repair shop and ask for a check, if you don't mine you cant open your back cover and remove the screws so you let the motherboard pcb exposed, with a high quality picture we should be able to see if the power button is the problem or not.
Click to expand...
Click to collapse
The whole display part was replaced in a repair shop.
AwildPikachu said:
The whole display part was replaced in a repair shop.
Click to expand...
Click to collapse
aye, and? Mine was the same, it worsen upon the replacement, and within some days of usage, the flex cable had gotten damaged for good, the oneplus one replacement displays out there are crappy, mostly used, not well maintained, cheap ones, and they are not to be trusted.
filippos96 said:
aye, and? Mine was the same, it worsen upon the replacement, and within some days of usage, the flex cable had gotten damaged for good, the oneplus one replacement displays out there are crappy, mostly used, not well maintained, cheap ones, and they are not to be trusted.
Click to expand...
Click to collapse
I'm using a cheap replacement from ebay that I replaced myself,and I'm yet to see any issues with it.
most lcd have the problem. i got a lcd thrice now from different manufacturers had the same problem for some extent
digitizer works fine but lcd doesn't have good connection
My Nexus was also sometimes not waking with the power button. A custom ROM flash (Nexus4Ever) worked well, but still had the same problem. Probably related to this I would notice that when the phone did wake it was sometimes taking a few seconds to do it.
After some searching I found a solution under the lineageos forums -- search for BUGBASH-230 (can't post url here because this is a guest reply). Basically, you have to copy (copy them, don't move them) all tzapps files found in system/etc to system/vendor. It worked for me. There's no more delay in waking up and the problem has been gone for a week now. Before the fix it was occurring at least once a day. Try it.
I have same problem with you and this occcurd after change os nougat to Oreo 8.1 on my j7 prime
It's not the display
I have the same issue on my Nexus 7 with 14.1 installed. The mockingbird replies about it being a faulty display or power button are unfounded considering rebooting the device fixes the issue. Only seems to occur when it's been on for a while or has less than 30% battery.
Did anyone ever fix this? I see this on a few versions of Lineage. Disabling the lock screen in System Profiles settings avoids the issue, but then there's no lock screen!
Not The Display, exactly...
Just thought I would throw in my 2 cent observations. I have a Samsung Relay 4G (t699/apexqtmo). It worked flawlessly with its stock software / and official upgrade (I.C.S. & J.B). Once I upgraded to KitKat or Lollipop, the screen backlight would never turn on after waking the device on a single button push. The difference between these versions of android as it relates to waking the device can be found in changes to power management / wake locks code. I am not good enough to figure the ins and outs of this type of programming, but maybe this will give some hacker an idea of how to patch or work around this particular part of the firmware. Thanks!
Just upgraded form stock to LineageOS rooted and all....display wake up worked fine b 4 now i have this problem also it will sometimes eventually wake up but takes forever and many button presses
So, if anyone is till wondering about this, here is the information i believe to fix this bug, that is if anyone can integrate the change into CM KitKat and beyond for our sad old Relay. github.com/TeamApexQ/apexq/issues/24. Any chance this could be implemented through an apk?
Because I really don't want to shell out $$$ for an F(x)tec Pro