Homescreen going black - G4 Q&A, Help & Troubleshooting

Hey all,
I have searched the web, but most of the info I found relates to the screen going black during calls, which isn't the problem I'm having. My screen is actually fine during/after calls.
This is happening to me randomly and is just the home screen. The lock screen and notifications are still visible when this problem occurs.
I can randomly press the screen hoping to hit an app and they open fine. Sometimes when I back out of the app, the homescreen returns to normal although it can take a few goes, sometimes I have to restart the phone. It isn't happening all the time, in fact before today the last time it happened was Wednesday. I'm just worried that it will become more frequent and as is stands I am still under the 30 days in which I can return the phone for a refund.
I was using Go Launcher Z, although I have returned to the default launcher in case that's what the problem is. Phone has all updates installed, is on 5.1 with the build number LMY47D.
I cannot boot into recovery mode to wipe the cache partition, I must have tried about 30 times. Majority of time the phone just turns on, a couple of times it came up with the option to do a factory reset.
Would appreciate any help

Related

Occasional and persistent lag

Has anybody noticed occasional and pretty annoying lags with the phone? I have owned the phone from Saturday and haven't noticed any issues in the past couple of days. But this morning, noticed lag on several occasions, many for 10+ seconds.
Noticed lag:
- When trying to update gas price in the Gas buddy app: The whole phone froze and didn't come back up for 20+ seconds. Restarted the phone and everything went back to normal.
- When receiving a call when the phone was asleep: First, I couldn't swipe the 'answer' button. I tried the swipe action, but nothing was happening. After few tries, the answer button went to the right of the screen, but the call still didn't start. It was few seconds of agony before the call connected and I was able to talk.
- When trying to send a text message: Started typing the recipient's name, got list of names from the drop down and selected the recipient. The phone froze for 15 seconds at least. Tried to press the home button frantically did nothing for several seconds. Finally I was able to get to the home page.
- At this point, I killed all the apps and services from the task manager.
- Tried to send the text message and was able to reproduce the lag.
- Restarted the phone, no lags.
Earlier this morning, I enabled flash on a website for the first time and visited a flash intensive website. Not sure whether that has anything to do with the lags.
I tried evo 3d couple of times before giving up on it for good because of build issues in both the phones. I'm desperate to like this phone because I dread going back to TP2. Hope this is not a recurring issue.
ive never experienced ANY lag with this phone. And I consider myself a power user
I have experienced this on two occasions. I've had the phone since Friday. Once was before I rooted, the other after I rooted. I didn't have to reboot either time, just waited for about 30 seconds. Hasn't happened enough to see a pattern. But, the one after I rooted occurred while using Gas Buddy. Hmmm.

[Q] Screen issue starting today

I'm trying to diagnose a very odd issue that started this morning. I woke up and checked my phone and instead of getting the normal screen I just had a battery image showing 100%. I've never seen that charging image before today. I could not get to my phone screen so I rebooted the phone and now the screen will immediately power itself off after a second or two. I have been able to get it to the phone screen a couple of times, but if I touch the screen it powers off.
I am running Juggernaut 4.1 and have had no issues before today. I didn't install or update anything yesterday although I can't get to the phone to see if any auto updates have been completed.
I went into clockwork and I was able to navigate though and wiped both cache and dalvik hoping that would clear it up. After reboot it was the same behavior.
Before I spend my entire Sunday wiping and reloading my phone can anyone give insight into this problem? Most of my searches for screen issues have popped up the general display problems with the greys and blotches.
ETA:
Not sure why my brain didn't process this first, but I am actually able to unlock the phone (sometimes) with widget locker. If I tap the screen outside of the status bar then the screen powers off. I can interact with the status bar but I can't click the screen to get the phone into USB storage mode so I can't get anything copied off. I'm going to do a recovery backup and re-install Juggernaut to see if that clears it up before I start thinking hardware issues.
Not really to experienced with an issue like that, but perhaps before you fully wipe you could backup and restore the same backup. I had a application issue that I couldn't fix and even though the backup would be the same somehow it fixed it.
Sorry I couldn't offer you more.
As far as the battery showing up, I see the screen all the time when it's shut off charging.
Sent from my SGH-T989 using xda premium

Screen on my 5X is randomly goes black

Is anybody have the same problem? Screen on my 5X sometimes goes black, its still working but its completly black. It is happening when Im using apps like snapchat, facebook, or sometimes i don't even need to do anything, it just go randomly black and after couple pushes of power button or even several restarts of phone screen back to normal. I tried factory reset but it doesn't work.
You should return it for warranty replacement (if you have not installed any custom ROM or modification...)
It happened to my wife's 5x, the replacement phone is just fine
Dashaien said:
Is anybody have the same problem? Screen on my 5X sometimes goes black, its still working but its completly black. It is happening when Im using apps like snapchat, facebook, or sometimes i don't even need to do anything, it just go randomly black and after couple pushes of power button or even several restarts of phone screen back to normal. I tried factory reset but it doesn't work.
Click to expand...
Click to collapse
Are you rooted? This happened to me yesterday twice. I'm on MDB08L, rooted with classic method and xposed installed with gravitybox....
Also, I was low on battery, around 15%
I've had it happen a couple of times too. Seems totally random, doesn't appear to be linked to any particular app, process, or battery state in my case.
I have installed Chroma rom this morning. No black screen since then... I'll update tomorrow.
UPDATE: Second day with chroma, no black screen so far.
Update 2: still no black screen...

D850 Screen unresponsive randomly HELP!....please?

Hello everyone, I just recently got a G3 and it was working fine for the 1st 2 days, no issues. I was sending a text to a friend earlier today and after it sent, it completely froze. After doing a soft reset it took forever to boot up. Once it booted up, it seemed to be fine. about an hour of operation, the screen looked as if it was freezing because it wasn't recognizing any of my touches. i decide to flip the phone sideways to see if it was actually frozen but it changed to landscape just fine. Sometimes it comes back to life then goes off again shortly after, and other times, i have to soft reset. I've tried the following to no avail.
Took the phone apart and cleaned both connectors.
Re-flashing the rom.
Trying 4 other roms.
Returned to lollipop stock.
I can't figure this out for the life to me and worked my ass of to be able to buy this phone. Any help would be appreciated as I can't afford to spend any more money on it!
I also have this issue, it's been ongoing for a few weeks. There will be short periods where it can work just fine, then it just freezes up and does not register any inputs. The content on the screen continues to run as if nothing happened (videos and games keep playing). Turning the screen off, waiting a couple minutes, then turning it on can sometimes give me another minute of use until it freezes up again. Also of note, when the screen is unresponsive and I press the power, it will dim to very low levels for a few seconds before going fully black. When the screen is being responsive and I press the power, it goes straight to black, as is normal and expected. From my testing, I've concluded:
1. This issue is not app dependent. It can occur at any time, and is not caused by alarms or overlays, such as blue light filters.
2. The issue is not from the specific battery I use. I've switched out between multiple batteries and used different chargers, none seem to affect the frequency of freezes.
3. Temperature may have something to do with this. When waking the phone after it's been sitting out in the cold, there seems to be a higher likelihood that it will be unresponsive. This is not always the case, which makes concluding that the issue is hardware related difficult, but some correlation seems to exist.
4. This issue started occurring shortly before I began having the popular "SIM Card Removed" issue, which I've yet to resolve (though can sometimes get the SIM card to work)
I am running stock 6.0 D85030p AT&T. I will post here again if I figure something out, but I have been trying for weeks without much success.

Unresponsive touch screen

Hi there, first of all I've seen some other threads which kind of have the same problem but not quite. So here is my problem my touch screen isn't responding most of the time, it started happening like a week ago when it froze while trying to send a picture in messenger, after 1-2 reboots it started working again but after that the same thing happened while I was typing in messenger, so I thought it might be software problem and made hard reset and installed new stock android(that didn't help). The last couple of days most of the time it's not working and I'm using it with a mouse, but there are periods when it works for some time. I've entered the hidden menu(without updating the touch firmware because I saw that it might kill it for good) to try and test it and had 2 different results
- The touch screen firmware version on my phone is -1
- And the one from the photos that I've attached(obviously during this one it actually worked for a couple of minutes)
Something else I've noticed while the touch isn't working when I turn off the screen from the power button first it dims the light for 2 seconds before really turning off.
Other things that I've tried are changing kernel, opening the back of the phone and reconnecting the screen to the motherboard(which helped the first time and it worked for 1 day or so but doesn't help since then) .
There is one more strange thing for some time now may be 3-4 months the phone has problems connecting to WiFi)
And one last thing after the screen problem the phone started booting quite slow some times and showing "Process System Not Responding'"
The phone is running on Stock V30b MM and hasn't been dropped for a long time
The problem is that I don't know is it software problem, screen problem or motherboard so any Ideas will be appreciated.

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