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Unable to Boot error, but device works!

Greetings people!
Yesterday I got this message while booting up my TP (latest official ROM):
"The device is unable to boot because either you have turned off the device incorrectly or tried to install an application from untrusted source. Press END to reset your device or press any other button to cancel. This operation will delete all your personal data and restore the device to its factory default settings"
However apart from that message, phone works flawlessly without any noticable change in speed or stability! The only apparent problem is that it takes a while longer (about 10 seconds) to boot up because of that message. I tried a couple of backups, problem was solved at first, but returned later...
I do take daily backups, but since I hardly monitor my phone when I reset it, this problem could have been caused by an app or reg entry a while ago... and searching for the appropriate backup will be a pain in the ass.
Since there's no change in speed or stability, do you think it would be wise to keep using the phone as is, or is it possible this would cause further problems down the road?
Any other way to troubleshoot it (at least to find the program that's causing this) other than a hard reset?
Edit: couldn't wait so I reverted to a week-old backup, installed back most of my applications, and it seems to be fixed (for now)

Update! I just tried a new SD to try XDAndroid, and guess what, the error disappeared!
So there must be a program I had installed in the storage card, possibly trying to start a service or something on every reset... and failing.
Is there a way to troubleshoot this? Maybe through SKTools or anything similar? I have a ton of apps installed into storage card and it will be a pain in the back cover to try by trial-and-error.
Thank you in advance
edit: inserted my old storage card again, error did not appear, problem solved! At least for now
Still if anyone knows how to troubleshoot this, please let me know

Update: Seems this error occurs every time I use SPB backup.
Yesterday, after a scheduled backup, the error came back. To troubleshoot this, I removed the SD card, did a soft reset, the error was gone! I took another manual backup, and again, the error came back.
So there must be something happening with SPB Backup and my SD card. Probably messing with files on the SD, or the driver or whatever (no idea there, I'm a total noob when it comes to software).
Moved the issue to the SPB forum

I have this message to, but I have never used SPB Backup

Well, in my case, it was obviously something tampering with the SD card (even if not SPB backup, something else)
Have you tried rebooting your phone with the SD card taken off? I just wait till it boots normally, and then insert it back. Works for me every time.
If that still happens, that probably means whatever is causing the problem is in your main memory.

akpidis said:
Well, in my case, it was obviously something tampering with the SD card (even if not SPB backup, something else)
Have you tried rebooting your phone with the SD card taken off? I just wait till it boots normally, and then insert it back. Works for me every time.
If that still happens, that probably means whatever is causing the problem is in your main memory.
Click to expand...
Click to collapse
Well I tried that just to see what would happen and I did not get the error message. So it is something on the SD card, but booting without it is not an option for me as I have several boot-start apps that are housed on it.

Perhaps one of those apps is broken?
As far as my case goes, I kept on using it for three months after the error appeared, without noticing any lag or issues at all. The only downside was that it took me three minutes to boot up, something I got used to.
If that's no big deal for you, I'd suggest you just leave it as it is for now, and check for lagging or specific applications failing (maybe one of them will be the app that's causing the problem?). If nothing happens down the road I think it could be safe to leave it as it is.
Now, if you can't stand this, I guess the only practical solution would be a hard reset. You can always play around with removing/reinstalling those apps you mention (or even better, installing them in the phone's memory) to check if and which one is broken, but I can understand that this not only will be a huge burden, but you may come to the conclusion that no specific app is causing this and something went south in the OS.
Personally the only apps which include a boot-up service I have installed into my SD are Football Monitor and PocketWeather. I tried removing both of them them back when I first had that issue, it didn't work...
Sorry I couldn't help more :/

[Q] 10GB + dumpstate/logcat in less than 30 hour

Greetings .. I've put my self into a dilemma I cannot solve for over a month now, Let me try put my Issue in order
- I've had my device with the stock it comes with & never updated it ever since I bought it "less than 8 month ago", Then I rooted it somehow and figured out how to flash Roms with Odin.
- I Flashed Android Revolution HD on it and used it for a while and then I decided it's time to go back to stock.
- I Formatted it & downloaded N8000XWALI4_N8000OJVALI2_N8000XXALI3_HOME.tar since I live in Egypt & It gave me a hard time installing it but at the end i figured out how to do it right.
- Now every few hours My Device Memory keep filling up without actually putting anything on my device built in memory ever since I Installed this which is 4.0.4 Android. [Only Device Memory Gets Filled]
- I've kept checking around and tried to "Factory data reset" device multiple times and it still does the same thing after, I gave it a few hours then i keep checking the Storage .. it goes from 11.11GB to 10.5GB .... 9.6GB .. less than 30 hour it got no Available memory left.
- I kept goofing around until i figured that thing with *#9900# to reset dumpstate/logcat which actually Partially solved my issue .. but the thing is .. my note keep getting filled each 24~30 hour & the battery usage empty faster with this so I keep deleting dumpstate/logcat files every day or else device memory is full and it start to act crazy, lagging and getting stuck in lockscreen.
- I've tried to use Kies to update my software hopefully that might solve my issue but when I try to upgrade it, it says " 'GT-N8000' does not support initialising "
Now please You probably have Noticed I do Suck when it comes to android so in simple steps may I get suggestions on how to solve this issue ? and if there is something I need to be trying that already exist on the forums, link me cause I've searched for what I think is my problem but nothing came up .. maybe its under another name I don't know, all Help will be Appreciated & Thanks in Advance :fingers-crossed:

I'm overwhelmed by the silence of every one .. I mean is this really that big of an issue that nobody here have the slightest idea of how to deal with it ? and thinking that its a new problem to the brains here make me even more scared that my Note have gone to wreck .. I still clean my dump on daily basis or else applications keep closing on me while using it.. my cam won't open & videos won't play until I clean my dump files .. I believe there is more android pros here than anywhere else I could meet in RL.
Don't hesitate to share any ideas that comes up your mind, at the end It might be something silly I forgot to do cause I'm bad/new with android ... I'll try anything that make sense .. maybe even nonsense and please ask anything I might have forgot to say before .. cause this issue is driving me banana :silly:

i have the same problem...
kareemdonia said:
I'm overwhelmed by the silence of every one .. I mean is this really that big of an issue that nobody here have the slightest idea of how to deal with it ? and thinking that its a new problem to the brains here make me even more scared that my Note have gone to wreck .. I still clean my dump on daily basis or else applications keep closing on me while using it.. my cam won't open & videos won't play until I clean my dump files .. I believe there is more android pros here than anywhere else I could meet in RL.
Don't hesitate to share any ideas that comes up your mind, at the end It might be something silly I forgot to do cause I'm bad/new with android ... I'll try anything that make sense .. maybe even nonsense and please ask anything I might have forgot to say before .. cause this issue is driving me banana :silly:
Click to expand...
Click to collapse
i have the same problem with u,
i bought the device with 4.1.2 version, but i need to downgrade it to 4.0.4 version for a specific hack to run (coz it supports up to 4.0.4),
after i downgraded to 4.0.4, then i discovered this memory glitch /dump problem also, *#9900# seems to be the one of the options to fix it temporarily if you wanna to keep 4.0.4 or...just update to 4.1.1 or 4.1.2 , then you will be totally fine,
try to get 4.1.1 or 4.1.2 firmware in samfirmware and use odin to flash it,
i tried 2 GT-N8000 devices already (YES, TWO) , it's the same memory bug happens if you stay in 4.0.4,
i also hope some senior users here can tell me what happens so that i can gain knowledge also...

Weird loop of crashing apps

Randomly I find messages about various apps crashing on my z3, always in the same order. First it's com.android.phone then it's some "enterprise service ", then com.qualcomm.qcrilmsgtunnel, then it's com.sonymobile.touchscreen.touchfilter.tfpss, and sometimes another one that I don't remember right now. After a few minutes com.phone crashes again and then all the others in the same order. It's really angering me and I have no idea what's causing it. Phone works normally but the messages about these apps crashing keep coming until I reboot.
It happened back on Kitkat and it happens on lollipop even after I factory reseted the phone.
Am I the only unlucky sob who gets this issue? Any idea why it's happening and how to stop it?
Very rarely I also get what looks like a reboot, but the phone doesn't actually reboots because it doesn't ask me for my pin code but it plays the boot animation and goes back to screen unlock after a while. Because of these issues I'm extremely disappointed right now with this phone. Random apps glitching out for no reason really grind my gears.

Is your phones software altered in anyway? Anyway, Repair it with sony pc companion.

Nope, fully stock not even rooted. By the way, like I said I already repaired after the llollipop update and it still happened. It's unacceptable that I have to waste my time reconfiguring all my stuff and losing data all over the place (without root is impossible to make a decent backup) because the phone is unable to remain stable for longer than a month.

MarkMRL said:
Nope, fully stock not even rooted. By the way, like I said I already repaired after the llollipop update and it still happened. It's unacceptable that I have to waste my time reconfiguring all my stuff and losing data all over the place (without root is impossible to make a decent backup) because the phone is unable to remain stable for longer than a month.
Click to expand...
Click to collapse
Root it. Custom recovery, and you will be able to do backups and restores.
---------- Post added at 11:36 ---------- Previous post was at 11:35 ----------
MarkMRL said:
Nope, fully stock not even rooted. By the way, like I said I already repaired after the llollipop update and it still happened. It's unacceptable that I have to waste my time reconfiguring all my stuff and losing data all over the place (without root is impossible to make a decent backup) because the phone is unable to remain stable for longer than a month.
Click to expand...
Click to collapse
Root it. Custom recovery, and you will be able to do 'decent' backups and restores.

I know, I had all my previous android phones all rooted, but I don't want to root this one yet. I suspect there was something wrong with the theme I was using that was causing the issue. I've been using the phone on another theme and the problem seems to have disappeared. Can't be sure though. Can someone try the theme called "experianz black" for a few days and see if you get crashes?

Actually I just noticed something. If you add a new user, then delete it, all of the processes started on that other user will keep running forever wasting ram. They will not close. And guess which processes are left running on a non existent user? The ones that keep crashing. I think I just discovered a major bug with this worthless multi user mode. As you can see from my screenshot the non existent user's apps kept running for nearly 80 hours after I deleted it. You can try to add a user, switching to it and then back to your main ones, then deleting it and all the apps will remain stuck in memory.

Looking to Undo Root and All Customization, Need Help to do So

Ok, so as the title says, I'm looking to completely undo having rooted my tablet, and all the customization I did to it, but I'm having a bit of trouble.
According to multiple apps my tablet is no longer rooted, and I got the stock rom from Sammobile flashed on it, and I have the stock recovery back, but I seem to be suffering from the wifi problem that CM suffers, I know this as I can connect to my 5G wifi as well, which I'm never able to do when the tablets wifi is working correctly, and also even connected I barely have any speed, if even any.
Now I know of the wifi fix you can flash through TWRP, but as I said, no more TWRP, and I don't want to reinstall it, I want everything back to stock.
Now, I know of Wifi Fix's for other tablets, like the Galaxy S4, that you can flash on with Odin, but I can't seem to find one like that for the Note Pro 12.2. So if anyone can send me a link I'd really appreciate it.
And also, I can't remember, but did the Note Pro 12.2 ever get anything higher then Android 5.0.2? Because I try to update it, and it says because my tablet was modified I can't do so. Plus Sammobile doesn't have higher then 5.0.2 but I read somewhere that it got 5.1.1 so I really don't know, any help on that front as well would be great.
Now, you may be wondering why I want to do this, in truth I'd rather have my tablet rooted, I save so much battery life getting rid of all the bloatware. But no matter what I do, there always ends up being a problem with my tablet.
I follow all the instructions given, I do exactly what everyone else does, even having someone walk me through it step by step once, and always it goes horribly wrong.
The first time my Nova Launcher would crash constantly, and then everything else would start crashing with it. Then the second time all my videos would play stuttering and jerky, and the audio would be out of sync horribly, and nothing I did would fix it. And now most recently, even though the tablet it connected to the computer, the drivers always fail installation, and even when they are successful, I'm still unable to actually access the tablet from my pc.
I read somewhere that it may be because I disabled Media Storage, but with Media Storage I have just as many problems, it drains my battery like crazy, it causes things to load up extremely slow when accessed through the computer, if a folder has a hundred files for example, it will take almost twenty minutes for them all to load up, and you can't do anything until they do, and if you try copying something into a folder without going into it you'll just be stuck in an endless loop of copying that never ends.
But without Media Storage everything loads up just as quickly as say an SD Card, so said 100 files only takes a few seconds.
And worse thing it caused, which troubled me for a long time before I found out what caused it, at random the media storage would decide to claim 20gb's of space, saying it was all taken up, when it isn't. And it would keep happening at random times, and at random sizes. Near the end it had taken up every bit of free space I had and didn't change back even after several days which is what led me to looking up what was causing that in the first place.
So as you can see, leaving Media Storage enabled is a big no for me. So as such I'm unable to root and customize my tablet for that reason as well.
Now, before you say how weird it is that I have such trouble, and how you have no idea why it would happen, there is a very key reason, Technology HATES me. Trust me, more often then not when I try to do something that works for literally everyone else it fails for me, like say connecting an Xbox controller and getting it to work on my pc. Yeah, never works even after almost 5 hours of trying. So yeah, technology hates, maybe even dispises me.
So anyway, if you can help me fix the wifi, and the update problem if that's possible, I'd really appreciate it.

Are you able to get it connected to a PC?
There are tutorials on how to go back to complete stock if you haven't tried Knox I might search for what people have done before they take the their device back to the carrier. Many people want to un-root before they give up their old devices.

Random app crashes and problems

Hi, I have a samsung galaxy tab s2 the 9.7 inches one, but lately some apps have been crashing or having errors, chrome for example throws that snap somethjng wrong, perfect viewer sometimes gets stuck on an image and I cant chnge it, but all menus work, several apps keep crashing as well.
I have it with official firmware, never touched it, its rooted with magisk since before the problems started, apps that use root are file explorer, vanced manger and an app to disable some samsung bloatware.
I dont know how to troubleshoot android, on pc I would check memory and hdds, but theres nothing lkke that kn android that I could find.
I think it could be memory or storage, but everything Ive downloaded or copied/moved hasnt have any problems or errors. Or something is corrupted in the system, or I dont know what else or how to check.
What would you recommend to fix it? Hopefully starting with less drastic, as in less data loss, factory reset, flashing an original rom or somethjng.
The device is aSamsung galaxy tab s2 9.7 with android 7 with lean launcher.
All help is appreciated.

I believe this were an common issue for Android 7 and below !
and you have an old device and android which I believe it's no longer supported by the most of developers.
try to flash any custome roms & kernels if available.

If apps are randomly crashing then the reason might be it's caused by an update of Google's tool called Android System WebView.

Abdullah.Csit said:
I believe this were an common issue for Android 7 and below !
and you have an old device and android which I believe it's no longer supported by the most of developers.
try to flash any custome roms & kernels if available.
Click to expand...
Click to collapse
But it hasnt happened before until now, what would it fix using a custom rom instead of the original?
jwoegerbauer said:
If apps are randomly crashing then the reason might be it's caused by an update of Google's tool called Android System WebView.
Click to expand...
Click to collapse
I had that problem with my phone, my tablet never got that update.
Thanks

Clear system cache...

Wiped dalvik and system cache, but still having the same problems.
Thanks

totopesce said:
Wiped dalvik and system cache, but still having the same problems.
Thanks
Click to expand...
Click to collapse
Try using the stock launcher.
See what apks are running and cached right when this happens is it may give you a clue.
I would completely backup all critical data now.
Android is normally very stable.
Scan with Malwarebytes. If you can't find the root cause, suspect a virus, rootkit etc.
This is rare but can happen.
Karma Firewall can help you to see what's accessing what and how often. It uses almost no battery or resources, freeware, adfree, a near perfect little app.

Cant remove lean launcher it gets stuck in android is starting and it doesnt let me change to stock, installed nova just to check if it was lean and still the same problems.
Installed malwarebytes, had to run the scan several times cause it kept crashing, it completed and it didnt find anything.
Installed karma firewall and will see if I find anything.
Thanks

totopesce said:
Cant remove lean launcher it gets stuck in android is starting and it doesnt let me change to stock, installed nova just to check if it was lean and still the same problems.
Installed malwarebytes, had to run the scan several times cause it kept crashing, it completed and it didnt find anything.
Installed karma firewall and will see if I find anything.
Thanks
Click to expand...
Click to collapse
Figure out how to get the stock launcher back.
Any 3rd party app you can't uninstall is already malware. Check Device Administrators to see if it's registered there. Nova is no saint either.
If you can't resolve it error on the side of caution that it is malware and nuke it. Sometimes you never find out which one it was... getting rid of it is all that matters.

Sorry, what I meant was that after uninstalling it it got stuck in androiid is starting, somehow I lost the stock launcher, so it got stuck with no launcher. Found the launcher that came stock, installed it and uninstalled the other 2.
Apps are still crashing, I deleted all apps that I dont really use.

totopesce said:
Sorry, what I meant was that after uninstalling it it got stuck in androiid is starting, somehow I lost the stock launcher, so it got stuck with no launcher. Found the launcher that came stock, installed it and uninstalled the other 2.
Apps are still crashing, I deleted all apps that I dont really use.
Click to expand...
Click to collapse
Lol, that can crash it for sure.
See if you can find a common apk between the effected apps. Any recent system app updates?
New or uninstalled apps?
A system apk may have gotten corrupted.
Android is pretty good compared to Windows when uninstalling apps but occasionally a poorly designed app will screw it up.
It's just about factory reset time or your equivalent.
If it an old load that's probably best anyway.
I haven't reloaded in almost a year but I'm ready to go at any time.
Takes me about 2 hours to get it back within 99%. All the data I need for a full restore is on my SD card otherwise it would an additional 6-8 hours to restore the SD card data as well.
If you don't have a complete reload plan that saves all your critical data no matter what, implement one now before you get burnt.
Those stories are too common here

Dont remember when it started, cause at first it was one app from a github that was having problems, then yesterday magisk started and when I got that working it all when to hell.
The app that I use most has a backup/restore file that I saved on my sd, what do you use to backup/restore?
I would think that some backup solution could bring the problem back or am I mistaken, like if you fully restore something corrupted it should still be corrupted?
A factory reset could be corrupted as well? I mean after a factory reset, assuming its software, could it still have the same problems?
Though I dont really have any critical data on the tablet its mostly for browsing, youtube and reading comics. Still its a bother to re configure everything xD. IIRC I think its only been factory reset once.
Thanks.

It's unlikely the factory reload image is corrupted.
The current one your using likely is.
Other than apps that allow you to back them up like Poweramp or perhaps bookmarks, most app data I would write off just in case that was connected to the current issues.
None of my database is on internal memory except DCIM and downloads (both I back it up at least monthly). Critical apps like Poweramp are backed up on the SD card as export backup files.
The Poweramp setup would literally take a week to recreate. Most apps you can throw together rather easily.
All the SD card data is then again backed up at least twice to other separate drives.
I will try Samsung Smart Switch to restore home settings and see how it does on the next reset.
If you issues are of unknown origins being conservative about what you allow on the new load could save you more time in the long run.
If you unintentionally import corrupted data you'll end up doing it over again.
Or do so if the reload time isn't that great and is an easy write off for you.
Fun times... especially if the reload doesn't fix it

Did a factory reset and problem solved, took me less time than I thought to get my most used apps ready to go.
Thanks for the help.

totopesce said:
Did a factory reset and problem solved, took me less time than I thought to get my most used apps ready to go.
Thanks for the help.
Click to expand...
Click to collapse
Yay! Success!
And a minty fresh OS load.
Load apps and especially updates over time to see if one these were the cause.
Forced reloads are rare but they happen usually caused by a rogue app screwing up boot or a malware infection. Otherwise you can usually track down the root cause which is preferable to avoid it from happening again.
Lazy techs misuse factory reset a lot

Will do that, install apps just as I need them and try not to instal a bunch at once.
I had a problem with an sd card and sent it to samsung, they did just that factory reset it and gave it back with the same problem, and they dont even let you know so you can back your stuff up, just lucky it was fairly new at the time and I had the sd card with me.

totopesce said:
Will do that, install apps just as I need them and try not to instal a bunch at once.
I had a problem with an sd card and sent it to samsung, they did just that factory reset it and gave it back with the same problem, and they dont even let you know so you can back your stuff up, just lucky it was fairly new at the time and I had the sd card with me.
Click to expand...
Click to collapse
Sammy tech support sucks.
I'm using the Lexar .5 tb V30 card, just format in phone and it's good to go. Zero issues for $64.
Been using it for over a year now. Play movies and music from it all the time from it flawlessly.
Been using Lexar flash cards for over 15 years and all cards are still functional. No failures or card related issues at all. I like that brand a lot.