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[Q] My screen has blacked out. What can I do?

OK, so tonight I decided to install the Atrix 2 Blaze mod. It installed without any issues.
After installing and verifying that everything worked, I then decided to use Titanium Backup to batch restore my apps. This appeared to work, and at the end of the process it told me to reboot. So I did.
Once it booted back up, I was greeted with the lock screen, as you'd expect -- but when I unlocked the phone, all I saw was a black screen and the notification bar on top. No wallpaper, no icons, no widgets, nothing. I could open the task drawer, I could make the soft keyboard appear, I could bring up the "open apps" window... but I can't actually do anything because the screen is freaking black.
But because the notification bar works, I can tell there are things going on. I see my phone checking for email. I see my phone battery decreasing. I see notifications when my google+ or twitter apps detect people are replying to threads I've been on. In other words, the phone appears to be working in every way except that there's nothing on the screen for me to interact with.
Has anyone seen this before? Is there a way to fix it? I hope?

Your best bet is probably just to flash the 2.3.5 Stock FXZ and start from scratch.
Sent from my MB865 using XDA

try re-flashing ?
looks like you loose your home launcher ..

I had the EXACT same problem, everything below the notifications bar was blacked out, i could bring up recent apps, but i couldn't even bring up the emergency dial pad at the unlock screen. Only difference is mine happened when i froze Go Launcher using Titanium Backup. I could tell it was still trying to run Go Launcher coz i could auto-rotate the screen.Sadly, the only option i had was to reset the phone and loose everything. I couldnt even backup my files coz i set USB mode to charge only so it never popped up on PC.
I reckon you restored an app that has a missing component/data and so it crashes at startup, maybe a home launcher, locker etc. Try making a backup then resetting your phone

Same problem here Ill try the fxy method,
any of you had solve the problem?

AOSP Lockscreen randomly appeared?

Alright so, I haven't the slightest clue what caused this problem. I just happened to have rebooted my phone into bootloader mode as a way to ensure something I did didn't get transmitted when I re-enabled my Wifi which I happened to have disabled before rebooting and then re-enabled afterwards.
Anyways after I press reboot from the HBOOT menu, when my phone booted up the motion gestures would not work and I had an AOSP lockscreen...(take note im running ViperROM 1.8.0 on 4.4.3 firmware) oddly enough this isn't even enabled in the Viper Tweaks or any other tweaking apps I have. Soo why do I all of a sudden have these? It's as if I'm on an AOSP ROM but with Sense and a non Sense kernel? Even though NOTHING has changed today?? I haven't even been on my phone hardly at all besides that...
Why and how would I fix it?
Edit: Ok the tap to wake and swipe to wake actually work but double tap to turn screen back off is blocked because of the way the AOSP lockscreen functions. Swipe to shut screen off still works too. I just can't figure out how to remove this lockscreen

S1L3nTShaDoWz said:
Alright so, I haven't the slightest clue what caused this problem. I just happened to have rebooted my phone into bootloader mode as a way to ensure something I did didn't get transmitted when I re-enabled my Wifi which I happened to have disabled before rebooting and then re-enabled afterwards.
Anyways after I press reboot from the HBOOT menu, when my phone booted up the motion gestures would not work and I had an AOSP lockscreen...(take note im running ViperROM 1.8.0 on 4.4.3 firmware) oddly enough this isn't even enabled in the Viper Tweaks or any other tweaking apps I have. Soo why do I all of a sudden have these? It's as if I'm on an AOSP ROM but with Sense and a non Sense kernel? Even though NOTHING has changed today?? I haven't even been on my phone hardly at all besides that...
Why and how would I fix it?
Edit: Ok the tap to wake and swipe to wake actually work but double tap to turn screen back off is blocked because of the way the AOSP lockscreen functions. Swipe to shut screen off still works too. I just can't figure out how to remove this lockscreen
Click to expand...
Click to collapse
I had this same issue yesterday. I went to bed sat shut phone off with sense lock screen. Woke up Sunday powered on phone to see a aosp lock screen. I was like huh...I had to go to the play store an download HTC lock screen app they recently put in play store. Downloaded that then rebooted an sense lock screen is back. Try that out

Tigerstown said:
I had this same issue yesterday. I went to bed sat shut phone off with sense lock screen. Woke up Sunday powered on phone to see a aosp lock screen. I was like huh...I had to go to the play store an download HTC lock screen app they recently put in play store. Downloaded that then rebooted an sense lock screen is back. Try that out
Click to expand...
Click to collapse
The thing is..I already have that for some odd reason? It's right here and I never had this before either, it just randomly appeared and wanted me to update it a few days back. Strangely enough it was right after I downgraded back from 2.4.0 Viper ROM to 1.8.0 with a Nandroid. Should I just restore the Nandroid again*? it's literally exactly the same as this, I was gonna do it last night but it was far too late and I was tired.

S1L3nTShaDoWz said:
The thing is..I already have that for some odd reason? It's right here and I never had this before either, it just randomly appeared and wanted me to update it a few days back. Strangely enough it was right after I downgraded back from 2.4.0 Viper ROM to 1.8.0 with a Nandroid. Should I just restore the Nandroid again*? it's literally exactly the same as this, I was gonna do it last night but it was far too late and I was tired.
Click to expand...
Click to collapse
Try uninstalling that app via titabackup then go to play store an redownload it an reboot. If that don't work yeah I would definitely restore back up. But this solved my issue an it sounds like same as yours. Crazy tho huh?

Tigerstown said:
Try uninstalling that app via titabackup then go to play store an redownload it an reboot. If that don't work yeah I would definitely restore back up. But this solved my issue an it sounds like same as yours. Crazy tho huh?
Click to expand...
Click to collapse
"To finish updating lock screen please reboot now!"
Ohhhhh!! aaaaand...??? Waiting........................................................still booting...................dotdot....dotdotdotdotdot............still there
Firing the ion cannonz and restoring system backups, revert in process! *bzzzt---syste--msss faiiilllllinnngggg*
Seriously though it didn't work, restoring backups now LOL

S1L3nTShaDoWz said:
"To finish updating lock screen please reboot now!"
Ohhhhh!! aaaaand...??? Waiting........................................................still booting...................dotdot....dotdotdotdotdot............still there
Firing the ion cannonz and restoring system backups, revert in process! *bzzzt---syste--msss faiiilllllinnngggg*
Seriously though it didn't work, restoring backups now LOL
Click to expand...
Click to collapse
Well that's bs lol. You should have seen me when I woke up an seen this I was like wtf. So I went a removed sense toolbox an it was still there. I was totally lost. I did just what I told you to do an it came back an stayed. You would think if it worked for me it work for you u know. Hope your backup is alright. I like the fact HTC is dropping apps in play store so the don't have to wait on carrier to push ota to update a few things. But they should male sure it works rt..if you read all the reviews in playsotre bout this app. Not good at all some stock an locked users r in a bootloop from this updating an their only choice was factory reset. Not good

Tigerstown said:
Well that's bs lol. You should have seen me when I woke up an seen this I was like wtf. So I went a removed sense toolbox an it was still there. I was totally lost. I did just what I told you to do an it came back an stayed. You would think if it worked for me it work for you u know. Hope your backup is alright. I like the fact HTC is dropping apps in play store so the don't have to wait on carrier to push ota to update a few things. But they should male sure it works rt..if you read all the reviews in playsotre bout this app. Not good at all some stock an locked users r in a bootloop from this updating an their only choice was factory reset. Not good
Click to expand...
Click to collapse
Well I figured out the problem. When I restored it it was indeed solved or so I thought but I noticed the update was still available in the Play Store so I decided to back the original HTC LS in Titanium Backup and update to it. After having updated and rebooting I ended up with the AOSP lockscreen again, restoring the app in Titanium and rebooting again resulted in getting the original back.
Perhaps they intended this? Maybe it's their new lockscreen just with some faults, one being double tap to sleep doesn't work?

S1L3nTShaDoWz said:
Well I figured out the problem. When I restored it it was indeed solved or so I thought but I noticed the update was still available in the Play Store so I decided to back the original HTC LS in Titanium Backup and update to it. After having updated and rebooting I ended up with the AOSP lockscreen again, restoring the app in Titanium and rebooting again resulted in getting the original back.
Perhaps they intended this? Maybe it's their new lockscreen just with some faults, one being double tap to sleep doesn't work?
Click to expand...
Click to collapse
I use greenify to put my device to sleep. Works great just slide up from bottom of phone line you were going to use google search as I don't have that installed so greenify puts phone to sleep I like it.

Marshmallow problems with spontaneous launching of Google Now, taking over device.

My phone has been misbehaving since it upgraded the OS to Marshmallow. It was primarily occurring with the Google Now app and it would take over the phone and flash up and off the screen and whilst this was going on, the phone is busy vibrating, the screen became unresponsive and generally I couldn't do anything with it during these episodes. I stopped it sending to the screen and then it was the Google app that kept flashing up, starting with a round circle coming from the app drawer icon. It has got worse over the last few days to the point that it might take me ten minutes before I could get access to the caller to make a call and even trying to shut down the device was near impossible because the confirmation box never stayed on the screen long enough to answer the question and then it didn't come back. Yesterday, after many tries to restart, it finally restarted in safe mode. If it was related to an app that I downloaded, it should have stopped then but it didn't. When I was able to get into settings, I then went to apps and then disabled google app as this was the one starting up and flashing the screen non stop. I was then asked if I wanted to replace it with a factory version which I did but I also left it disabled. The problem has continued but not as ferociously with the screen becoming unresponsive at times while the buzzing from the vibrate still occurring. I have looked up various forums but haven't found any that have similar problems described. I checked the screen overlay settings and they are enabled and that seems to be the main problem with marshmallow. I'm looking for some advice but realise that this might be too basic for this forum? Vodafone Smart ultra 6, Android version 6.0.1 Kernel version 3.10.49

Stoksie said:
My phone has been misbehaving since it upgraded the OS to Marshmallow. It was primarily occurring with the Google Now app and it would take over the phone and flash up and off the screen and whilst this was going on, the phone is busy vibrating, the screen became unresponsive and generally I couldn't do anything with it during these episodes. I stopped it sending to the screen and then it was the Google app that kept flashing up, starting with a round circle coming from the app drawer icon. It has got worse over the last few days to the point that it might take me ten minutes before I could get access to the caller to make a call and even trying to shut down the device was near impossible because the confirmation box never stayed on the screen long enough to answer the question and then it didn't come back. Yesterday, after many tries to restart, it finally restarted in safe mode. If it was related to an app that I downloaded, it should have stopped then but it didn't. When I was able to get into settings, I then went to apps and then disabled google app as this was the one starting up and flashing the screen non stop. I was then asked if I wanted to replace it with a factory version which I did but I also left it disabled. The problem has continued but not as ferociously with the screen becoming unresponsive at times while the buzzing from the vibrate still occurring. I have looked up various forums but haven't found any that have similar problems described. I checked the screen overlay settings and they are enabled and that seems to be the main problem with marshmallow. I'm looking for some advice but realise that this might be to basic for this forum? Vodafone Smart ultra 6, Android version 6.0.1 Kernel version 3.10.49
Click to expand...
Click to collapse
When you updated to Nougat, what method did you use to update? Did you update via OTA? We're you rooted when you did it?
Have you tried booting to recovery and factory resetting and wiping cache then rebooting?
Sent from my SM-S903VL using Tapatalk

Droidriven said:
When you updated to Nougat, what method did you use to update? Did you update via OTA? We're you rooted when you did it?
Have you tried booting to recovery and factory resetting and wiping cache then rebooting?
Sent from my SM-S903VL using Tapatalk
Click to expand...
Click to collapse
It was an update that appeared on my notifications and I thought it was a small bug fix update and didn't realize that it would replace the entire OS. I just allowed the update and then realized what had happened. I think it is Marshmallow that it updated to but originally the app drawer was paginated and accessed by side swipes whereas the system now is a long page of apps moved up and down. I don't know if it was rooted and I assume that that means it wasn't.
I was trying to avoid a factory reset but I did wipe the cache and rebooting. When google apps is disabled, the interruptions are less often and not for as long but it still went into a complete meltdown of a screen appearing and disappearing at such a rate that nothing can be done with it. It won't show a video because of the interruptions.

Stoksie said:
It was an update that appeared on my notifications and I thought it was a small bug fix update and didn't realize that it would replace the entire OS. I just allowed the update and then realized what had happened. I think it is Marshmallow that it updated to but originally the app drawer was paginated and accessed by side swipes whereas the system now is a long page of apps moved up and down. I don't know if it was rooted and I assume that that means it wasn't.
I was trying to avoid a factory reset but I did wipe the cache and rebooting. When google apps is disabled, the interruptions are less often and not for as long but it still went into a complete meltdown of a screen appearing and disappearing at such a rate that nothing can be done with it. It won't show a video because of the interruptions.
Click to expand...
Click to collapse
Unfortunately, I think you're gonna have to factory reset in stock recovery because there's obviously a conflict with something you already had on the device and it isn't playing nice with something that was in the update.
Sent from my SM-S903VL using Tapatalk

Droidriven said:
Unfortunately, I think you're gonna have to factory reset in stock recovery because there's obviously a conflict with something you already had on the device and it isn't playing nice with something that was in the update.
Sent from my SM-S903VL using Tapatalk
Click to expand...
Click to collapse
Thanks for taking the time to respond. I have resigned myself to that although it does not seem to be anything that I downloaded to the phone as it occurred in safe mode too. I was just hoping that there was a fix out there but obviously it is not a widespread occurrence.

Stoksie said:
Thanks for taking the time to respond. I have resigned myself to that although it does not seem to be anything that I downloaded to the phone as it occurred in safe mode too. I was just hoping that there was a fix out there but obviously it is not a widespread occurrence.
Click to expand...
Click to collapse
It could have been something in system that got changed during the update but the data from before the change is still there and conflicting with whatever changes were made. Some kind of saved system data that can only be wiped by factory reset or reflashing.
Sent from my SM-S903VL using Tapatalk

I did a factory reset, lost a lot of photos that had started being saved on the phone and not the sdcard after the upgrade to Marshmallow. Have had to accept that but unfortunately the bizarre behavior did not stop and it continues on and off, sometimes so bad that I cannot dial a number on it and other times it happens but I can get in between the action and dial or send a text etc. I have gradually been stopping things like notifications from google apps and traffic reports from google maps (this may have had a good effect) and anything that might be doing constant checks. It seems to have quietened down over the last day or so and I even got to play a game on it but the next option is to send it away to an engineer. I just thought that I would let you know the outcome of the factory reset.

Samsung Interface Not Updating

All,
First time poster, frequent visitor of XDA Forums. I've come across an odd issue that I don't know how to solve and I'm hoping some of you smarter than me folks can get me squared away.
I have a Galaxy S8+ from AT&T running Android 7.0 and Samsung Experience 8.1.
Problem:
I've recently noticed a delay or completely non-updating interface on my phone. It updates on occasion, but I can't determine what triggers an update. For example, I will pick up my phone from the desk and when I press the power button it shows the accurate time. When I unlock the device, the sense flip clock I use on the main home screen shows an earlier time (could be 30 minutes... could be a few hours). I don't believe it's just the Sense app because I noticed this issue where I checked a facebook messenger app that came and and when I closed the app, it still showed I had 1 notification. I went back in thinking I had another new message, but I didn't. So it was still hanging on to the notification. It happened a couple times with a text message as well. Most importantly, my calendar doesn't alert me prior to an appointment either, even though it's showing in my calendar and an alert is active. If I save an event, and exit, I can normally see the event appear on the on widget immediately as well... but that hasn't been happening. I have to press the widget to open it and confirm it is there (which it always is). Eventually it refreshes and shows up. But that delay is likely the reason why I'm not getting my alerts.
All of this did seem to happen after a recent update Samsung/AT&T pushed out but I don't know for sure. I tried clearing the cache from the boot menu but it doesn't seem there is wide success with that.
And perhaps I'm just not a good enough user, but everything isn't all backed up in the cloud so doing the factory reset to me is always a fairly large task as I have many things to manually transfer out and then back in. Not sure if there are great tools that help with this on a stock phone.

BUMP

try disabling battery optimization for those apps.

It seems that you have several bugs and if they all start happening after you have installed the latest update, then expect a patch coming soon.

MINTED7 said:
try disabling battery optimization for those apps.
Click to expand...
Click to collapse
I have actually done that. Found very limited success. I'm also finding very few results on this topic. Surely it's not just me though.
And I'm dreading the idea of a hard reset as I have many things on my phones, not all of which is sync'd to the cloud so it's a task to back things up appropriate. Specifically regarding "encrypted" apps like my password keeper app etc.
It would be great if there was a software application that allowed you to backup whatever is necessary to not lose data, then wipe the phone and instead of just simply restoring the full phone (which is likely to create the same problem one had before the hard reset), you could simply dump back in app data as needed. It would also help diagnose if the problem lies in a specific app's data.

High level overview of issues...
I have the Ring Doorbell app. I get notifications after "live". Could be 5 minutes, could be 1 hour... or possibly not at all. I have the app setup on my wife's iPhone and she gets them immediately. If I restart the phone, I will get notified right away (it's like it runs the app again and then I get the notification). Keep in mind, this is AFTER i disabled the battery optimization feature for the Ring app.
I also notice it occasionally with texting. I won't have any text notification in the notification panel, nor will my messaging icon have a little red circle indicating a message is there. But if I open the app, a specification conversation will have a red circle indicating a new text is unread.
All of this is leading me to believe the Samsung UI itself is not updating and therefore notifications that actually have arrived (from whatever app), are not displaying because of the UI and not because of their own delay.
Because of this concern I have turned off battery optimization for "System UI", "Themes", and "TouchWiz Home". I have not seen any change however.

[Solved]
I was able to determine by various other threads around the web (thought for sure I'd find it here, but I didn't) that the culprit might be the Google app. Supposedly it was fixed in some prior release, but it's not on my Galaxy S8+ w/ AT&T.
Once I disabled the Google app all the odd issues with notifications and clock interfaces and app icons not updating went away. The downside to disabling it is that I lose the Google Assistant functionality which stinks but otherwise there is no impact to using the phone. I re-enabled it at a later date and it worked fine for a few days and then started acting up again. Once I disabled it, the problems all disappeared. Clearly Google app is to blame.

How do I stop a system update while downloading?

I have an HTC 10. I have heard so many horror stories on significant battery drain issue after the Oreo update so I have not updated to Oreo yet. I have read somewhere the issue has been resolved on Android's end but there is no more update on the HTC end to incorporate this update for the HTC 10. So every time the Oreo system update prompt came up I did not allow to update to proceed. I had it set to update only on WIFI and always ask me prior.
This morning I must have accidentally hit OK when the prompt came up while I was scrolling the screen for something else and it started to update. I immediately turned off WIFI but it continued the download with my mobile data. So I turned off mobile data as well on my phone. Right now I am at:
Software Update: 3.16.617.2 (1.32GB) Download is paused because your data connection was lost.
Shows a status bar at 3%.
I cannot find a way to cancel or stop this download and subsequent update. Is there a way?
I tried long press on the download screen, the Updater only has options of: Block all, Show silently, On the lock screen, Override do not disturb, all having to do with notification presentations but nothing to cancel the download altogether.
I went into Settings > Apps and popped up Device Configuration and did a FORCE STOP. that didn't do anything. There is an option there to UNINSTALL UPDATES but I didn't touch it since the update hasn't started yet and not sure if this app even deal with system updates.

Just tried a Wipe Cache Partition and rebooted. The system download is still being queued. There is no way to stop this?
I am surprise it will continue to download this huge file even with WIFI off. I had it set to not download any updates unless WIFI, but I guess now I understand it means this is only checked when download started, once it started it will download on my cellular network if WIFI goes out of range? This is a poor design.
Now if I let it download, is there a way to stop the update once the download is completed?

I went ahead and turned on WIFI to allow the downloading to complete. Once it completed it asked me about installing with two options:
Install Now
Install Later
I selected Install Later and it gave me a choice of being reminded again in:
30 minutes
1 hour
2 hours
4 hours
So I selected 4 hours and dismissed it for now. It will ask again in 4 hours, I assume there is no way to dismiss it for a month or a year.
So now I have two questions:
(1) Is there a way to disable this reminder prompt?
(2) Where is this downloaded file? Can I find it with a file manager and delete it? and if it is deleted will it trigger an auto download again or will it go back to just prompting me to download once in a while like before?

miamicuse said:
I went ahead and turned on WIFI to allow the downloading to complete. Once it completed it asked me about installing with two options:
Install Now
Install Later
I selected Install Later and it gave me a choice of being reminded again in:
30 minutes
1 hour
2 hours
4 hours
So I selected 4 hours and dismissed it for now. It will ask again in 4 hours, I assume there is no way to dismiss it for a month or a year.
So now I have two questions:
(1) Is there a way to disable this reminder prompt?
(2) Where is this downloaded file? Can I find it with a file manager and delete it? and if it is deleted will it trigger an auto download again or will it go back to just prompting me to download once in a while like before?
Click to expand...
Click to collapse
There may or may not be a method to disable the update notification but it will require root. You'll probably have to figure out how to disable the notification for yourself.
Try doing a Google search for:
"Disable update notification (your model number)"
Or
"Disable update notification on android"
Sent from my LGL84VL using Tapatalk

well,it just get better and better LOL.
I didn't want to install the system update, but it happened, accidentally. I was out and about, and was in a middle of texting someone, and for a split second while I typed, the system update screen popped up. Since I was in the middle of typing, it took my typing as a confirmation to "Install Now" and began the update. Never mind I only had 31% of battery left at that time and never mind I was not even home and needed the phone. I just can't imagine Google never even bothered with a "Are you sure you want to update now?" prompt. Incredible.
So after it finished the update, a good 30 minutes later, it rebooted, then did more updates, rebooted, and eventually, it started up again, and a lock screen pattern dialog popped up. I put in my pattern and it says it is not recognized. I am certain the pattern is the one I set. Yet something caused the correct pattern to not be recognized. So now I no longer can access my phone. It says I have 28 more tries before it deletes all phone data.
So now I am totally crippled without a chance to even back up all my data.
Anyone know of a way to bypass the lock screen pattern?
If I have to factory reset in order to access my phone again, will the reset bring back Android 7 (original delivered version of the phone) or will it be Oreo (new updated version)?

miamicuse said:
well,it just get better and better LOL.
I didn't want to install the system update, but it happened, accidentally. I was out and about, and was in a middle of texting someone, and for a split second while I typed, the system update screen popped up. Since I was in the middle of typing, it took my typing as a confirmation to "Install Now" and began the update. Never mind I only had 31% of battery left at that time and never mind I was not even home and needed the phone. I just can't imagine Google never even bothered with a "Are you sure you want to update now?" prompt. Incredible.
So after it finished the update, a good 30 minutes later, it rebooted, then did more updates, rebooted, and eventually, it started up again, and a lock screen pattern dialog popped up. I put in my pattern and it says it is not recognized. I am certain the pattern is the one I set. Yet something caused the correct pattern to not be recognized. So now I no longer can access my phone. It says I have 28 more tries before it deletes all phone data.
So now I am totally crippled without a chance to even back up all my data.
Anyone know of a way to bypass the lock screen pattern?
If I have to factory reset in order to access my phone again, will the reset bring back Android 7 (original delivered version of the phone) or will it be Oreo (new updated version)?
Click to expand...
Click to collapse
If you want to keep all of your data intact, root the device, then try this:
https://forum.xda-developers.com/showthread.php?t=2620456
Or this:
https://www.theandroidsoul.com/change-remove-lockscreen-pattern-pin-password-adb-android-oreo/
Or, you can factory reset via recovery, it will wipe all of your data though.
Sent from my LGL84VL using Tapatalk

I have found myself in almost the same situation as the OP.
Like the OP, I don't want to upgrade to Oreo, but somehow did something that my phone interpreted as asking it to start downloading the update. Since my system update is set to download only on WiFi, turning off WiFi stopped the download at 0% done.
*Unlike* the OP, my phone is still in the state of having not yet downloaded the update, so I'm still (for now) securely on Nougat. But my notification bar icon now shows the animated download arrow, and the notification shade shows my system update as "Queued". I'm guessing that this is causing extra battery drain, and it's also really annoying.
I've tried a web search on cancelling a scheduled Android update, and found some interesting information suggesting that I stop the DMClient app. But this wasn't specific to either my phone or to a 7-8 upgrade, and I couldn't find an app by that name installed on my phone. I think I found something else recommending that I stop the Google Play services app and clear its cache. I *do* see that app, but I don't feel like experimenting with random web advice, and so thought I'd check here.
Here are two questions:
1) Is there anything I can do to stop my phone from trying to download and install the Oreo update?
2) If I do a factory reset, which Android would I be on after the reset?
Thanks for any help!

LLGreenGuy said:
I have found myself in almost the same situation as the OP.
Like the OP, I don't want to upgrade to Oreo, but somehow did something that my phone interpreted as asking it to start downloading the update. Since my system update is set to download only on WiFi, turning off WiFi stopped the download at 0% done.
*Unlike* the OP, my phone is still in the state of having not yet downloaded the update, so I'm still (for now) securely on Nougat. But my notification bar icon now shows the animated download arrow, and the notification shade shows my system update as "Queued". I'm guessing that this is causing extra battery drain, and it's also really annoying.
I've tried a web search on cancelling a scheduled Android update, and found some interesting information suggesting that I stop the DMClient app. But this wasn't specific to either my phone or to a 7-8 upgrade, and I couldn't find an app by that name installed on my phone. I think I found something else recommending that I stop the Google Play services app and clear its cache. I *do* see that app, but I don't feel like experimenting with random web advice, and so thought I'd check here.
Here are two questions:
1) Is there anything I can do to stop my phone from trying to download and install the Oreo update?
2) If I do a factory reset, which Android would I be on after the reset?
Thanks for any help!
Click to expand...
Click to collapse
Flash the marshmallow firmware for your device via PC using your devices specific flashtool. It will remove everything and put you back to what you had before triggering the update.
Sent from my SM-S767VL using Tapatalk

Droidriven said:
Flash the marshmallow firmware for your device via PC using your devices specific flashtool. It will remove everything and put you back to what you had before triggering the update.
Sent from my SM-S767VL using Tapatalk
Click to expand...
Click to collapse
Thanks for the response, Droidriven.
I actually figured out a way to stop the phone trying to download the update, which I'll describe below, but first I have two questions about the solution you offered: Is there a reason you said to flash Marshmallow firmwaer rather than Nougat, since the update I'm trying to avoid is the one to Oreo? And, if I did that, how would I get back to Nougat?
But I said that I figured out a solution, and I hope that it may help if someone else finds themselves in my situation. Here is what I did:
1) I determined that the app trying to perform the update on my HTC 10 is a system app called "Updater"
I found this by long-clicking on the notification shade item about the update, and selecting more information. The phone displayed notification options for the Updater app.
2) I cleared cache and data for the Updater app
I went to Updater's app info page via via Settings >> Apps >> All apps. Updater is a system app, so I had to use the kebab menu in the upper right corner of the All apps screen to tell the phone to display system apps. Once there, I went to the "Storage" screen and cleared cache and data.
3) I restarted the phone, and "cleaned up" after what I had done
When my phone powered back on after the restart, there was *nothing* at all related to a system update in the notification bar. I turned on cellular data (but left WiFi off), and went to Settings >> About >> Software Updates. The phone checked for a few seconds, during which I could see (behind the "checking" popup) that the box for downloading only over WiFi was clear. This made sense, since this setting must be an option for the app I had just wiped. After maybe 15 seconds, the phone displayed a screen offering me the 3.16.617.2 system update. I used the back button to close that window, which left me on the screen where I could re-check the option to download system updates only over WiFi. Naturally, I re-checked this option.
That's it. My phone is now once again displaying a notification bar icon offering me the Oreo update, but it no longer thinks I told it to proceed with this update. I have been on WiFi a couple of times since doing this, and the phone has not tried to start the download.
I'm guessing that I could get this notification bar icon to go away by hiding notifications for the Updater app, but have not yet done so.
Thanks again, Droidriven, and I hope what I figured out is helpful to someone else.

LLGreenGuy said:
Thanks for the response, Droidriven.
I actually figured out a way to stop the phone trying to download the update, which I'll describe below, but first I have two questions about the solution you offered: Is there a reason you said to flash Marshmallow firmwaer rather than Nougat, since the update I'm trying to avoid is the one to Oreo? And, if I did that, how would I get back to Nougat?
But I said that I figured out a solution, and I hope that it may help if someone else finds themselves in my situation. Here is what I did:
1) I determined that the app trying to perform the update on my HTC 10 is a system app called "Updater"
I found this by long-clicking on the notification shade item about the update, and selecting more information. The phone displayed notification options for the Updater app.
2) I cleared cache and data for the Updater app
I went to Updater's app info page via via Settings >> Apps >> All apps. Updater is a system app, so I had to use the kebab menu in the upper right corner of the All apps screen to tell the phone to display system apps. Once there, I went to the "Storage" screen and cleared cache and data.
3) I restarted the phone, and "cleaned up" after what I had done
When my phone powered back on after the restart, there was *nothing* at all related to a system update in the notification bar. I turned on cellular data (but left WiFi off), and went to Settings >> About >> Software Updates. The phone checked for a few seconds, during which I could see (behind the "checking" popup) that the box for downloading only over WiFi was clear. This made sense, since this setting must be an option for the app I had just wiped. After maybe 15 seconds, the phone displayed a screen offering me the 3.16.617.2 system update. I used the back button to close that window, which left me on the screen where I could re-check the option to download system updates only over WiFi. Naturally, I re-checked this option.
That's it. My phone is now once again displaying a notification bar icon offering me the Oreo update, but it no longer thinks I told it to proceed with this update. I have been on WiFi a couple of times since doing this, and the phone has not tried to start the download.
I'm guessing that I could get this notification bar icon to go away by hiding notifications for the Updater app, but have not yet done so.
Thanks again, Droidriven, and I hope what I figured out is helpful to someone else.
Click to expand...
Click to collapse
Yeah, I actually, meant to say nougat, lol.
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