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[Q] Continual crashes and lockups - defective tablet?

Hi All. I bought a g-tablet yesterday and have had problems right from the start. I have issues with crashes which take one of two forms:
1) The application I'm using (browser, game, weather, settings whatever) will randomly quit to the home page with no error message or popup. (i.e. not a force close)
2) The whole screen will freeze and the tablet ignores all button presses apart from the power button. If I press it once the tablet then reboots.
I've tried installing CWM, repartitioning as described in the sticky, wiping data, wiping cache, restoring to factory settings and installing Vegan tab. Before I take it back to the shop, can anyone think of anything else I can try?
Thanks

Use
When and where are you using your tablet? I was wondering if anyone else has had issues with static and the Dock port causing issues.... I was sitting on my couch one night watching a movie with a polar fleece blanket. I was moving to get into a comfortable position and I heard static sounds and my tab exited the video and froze. After reboot it was fine, but I was thinking this could be the same issue you are having??

Just used it in my hotel room so far, no chance of a static shock. It wouldn't even work long enough for me to type thus reply so think I'll take it back!

hmmm
Sounds like you have a bad unit.. let us know what happens.

Galaxy Tab continually pauses during gameplay

Guys,
I have a very weird problem that started a couple of days back with my Galaxy Tab.
I was running a game (game name does not matter as the problem happens in all games) when all of a sudden the 'Pause' screen came into effect.
After hitting any key to continue it played for around a further 20 seconds then it happened again... and again... and so on.
Some games simply pause whilst others will flip back to the reload the game screen then flip to the press continue to play screen.
Whatever it is it only effects games.
I have tried several reboots and looked at all my recently installed/updated Applications but can not ascertain what is causing the issue.
Further, whilst browsing through my installed Apps using the App 'System Panel' (to see if I could locate the offending App) I also noticed when I scrolled down through my installed Apps every few seconds the list would jump back to the beginning of the list.
No matter how many times I scrolled down after a few seconds it repeatedly jumped back to the beginning.
After about a minute or so it stopped doing this.
It's almost as if something is paging the system every so many seconds ~ which may also explain why when playing games it drops the game into Pause mode.
Anyway, the Galaxy Tab is a stock Tab unaltered. It is not rooted nor had a ROM change.
At this stage I do not wish to update the ROM nor perform a factory reset.
As a surgeon you investigate the cause of the problem and not simply give the patient a tablet to mask the pain and send them on their way..... I wish to do the same with the Tab, find out what is causing the problem and not just do a system reset.
Any ideas ladies & gentlemen?

Same problem
I have the same problem on my stock ROM tab.
It's nerve wrecking to reinstall everything again.

Killerpint said:
I have the same problem on my stock ROM tab.
It's nerve wrecking to reinstall everything again.
Click to expand...
Click to collapse
As the OP that reported this I feel for you.
I have no idea what caused the problem nor do Samsung.
All I can say is I switched the phone off one night because it was playing up that bad and used my Galaxy S that evening.
The following morning I switched the phone back on again and mysteriously the problem simply vanished.
All I can think is whatever was causing the problem must have been memory resident.
Killing the phone for a long period must have cleared the issue.
I have not come back and reported it is fixed yet as I want to do further tests just to make sure it has gone but more importantly try to find out what caused it in the first place.
In a way although I do feel for you I also am pleased someone else has the problem.
This proves it is not a totally isolated case and may crop up again.
The tests I am currently trying are with the external SD card.
Do you have an external SD card and did/does the problem happen only with games installed to the card?
I have found that all but one of the games were installed in this way.
The one game not installed to SD that when run pauses behaves in a slightly different manner in that it does not pause every 20 seconds or so but every 1 minute or so.
I am beginning to think the problem may be something to do with timing, memory and the external SD card.

Widget and Text Input problems, can anyone help?

My Optimus 3D has suddenly developed some serious problems and I have no idea what is going on.
First indication was Power Off refused to work, it would blank the screen but the backlight and capacitive button light would remain on forever. So I have had to force off by holding the power button.
After doing this a few times its now taking AGES to finish bootup and most of the widgets are working sporadically. One minute they will be working, the next they won't and might respond to a touch half an hour later. Yet, a few of them still work fine. I have tested using LG Home as well as Launcher Pro, the same problem occurs on both.
Worst problem of all though is typing has stopped working. First time it did it I simply rebooted and it worked again, but its stopped functioning again and rebooting every day is unacceptable when it was fine before.
Basically any text input form I press, the keyboard pops up and I start typing, but the text doesn't go into the text input field. This is with any keyboard selected.
This is really frustrating as prior to these problems I was really loving this phone and hardly ever had to reboot it.
It seems it all started after something caused the phone to reboot itself in the night (the bootup jingle woke me but I was too tired to check) and then I think it locked up during the reboot as battery monitor widget shows no log entries after the reboot, just the battery suddenly at 100% again as I charged it before powering it back up the next day.
I would prefer to know how to fix it in case it happens again but if I am forced to restore to factory settings, any advise for what and how to backup what is on there so I have minimal work to get it back to this state (hopefully without the glitches)?
I have had both internal and external SD mounted over Mass Storage and done an error check from Windows on them which found no errors, as I suspected it was corruption on internal SD but clearly not.
The weird thing is, other than the above the phone works fine - but its fairly useless when I can't type on it and I am concerned the widgets hanging is degrading the battery life.

Flash a clean stock rom and see if it fixes it
Sent from my LG-P920 using XDA Premium App

I actually figured out what is wrong and its bizarre. It was my router!
Basically I upgraded DD-WRT to the latest version (which has since been taken offline so obviously buggy) and it caused all the above symptoms. The instant I disconnected from WiFi all events which were meant to happen suddenly happened all at the same time, then everything was back to normal. Connect to WiFi and it hangs again.
I have no idea how a bug on my router can cause such a wide variety of problems but there you go. Downgraded the router back to the previous firmware and all is well again.

I briefly had the "no text input" error happening after i removed some bloatware with root explorer. It was really starting to irritate me but when i turned the phone on it's side it worked again and has never stuffed up since!
Just thought I'd share my experience.
Sent from my LG-P920 using XDA App

Well unfortunately I was wrong, problem started again today and I even tested at a friends house. Basically, when connected to WiFi my phone goes AWOL with widgets hanging and text input randomly stopping working.
Earlier to search marketplace I had to disconnect from WiFi, type the search string, reconnect, purchase, disconnect (it refused to download) and use HSDPA instead. This is really frustrating as I'm about to get 40Mbit broadband which is going to suck being forced to use T-Slowbiles pathetic 1Mbit HSDPA to download instead. Perhaps not the end of the world, but its really really weird.

Debugging a phone ? (xperia mini)

My phone has a weird bug – after it goes out of 3G/data range for approx 15-20 minutes, the homescreen starts flashing and the phones starts vibrating continuously. Sometimes I can turn off the screen and the flashing/vibrating goes away after about 5 minutes. Otherwise I have to take the battery out to reboot.
The phone has worked no probs for a year, then started doing this a couple of months ago. I would really appreciate any tips on how I narrow down the cause of the problem.
The phone is a rooted 2011 Xperia mini, running Sony GB, and the problem happens on both ADW launcher and the stock launcher. Here's what I've done so far;
- uninstalled facebook, turned off spotify sync
- turned off all syncing apps except gmail.
- turned off all the apps that needed root or that run with a notification icon that I've installed since having the problem
- read the play store reviews for my other existing apps to see if they are causing a problem.
So, short of uninstalling all my apps and adding them back one by one, I'm not sure what to do next. Any ideas?

Sometimes fails to boot/backlight kind of working - need technical help

Hey there, I have kind of trouble with my PQ.
The PQ sometimes fails to boot correctly.
Booting the PQ results in a short (a few seconds) backlight and then dark. (Important: No picture or text is shown!)
Then there are two errors I've experienced so far:
- after the backlight is dark, I press a button (POWER/VOL_UP-DOWN/CAMERA) and it vibrates. After a few times of pressing and vibrating, it vibrates long and it then seems to be off. Since the backlight is off, I can't know if it's really off.
- after the backlight is dark, I do nothing except sliding out the keyboard (backlight is off). In this error it seems to start "correctly", because after some time the keyboard backlight goes on. That means, that "android" has bootet and is waiting for password entry (because of encrypted phone).
Either way, I have to reboot several times until it boots correctly. (With some luck it takes only 2-3 times.)
Some notes:
- I have to put my sdcard off, because the password entry doesn't appear if it's in. (ext4 filesystem, android seems to want to decrypt that -.-)
- [needs more testing] The phone has had force resets. I think it was my Access Point/Router, causing the WLAN (or qualcomm SoC) to hang. I changed the screen-part (touchscreen+display etc.), seems not to help. (I also disabled that Access Point/router, so I'm still waiting for a force reset.)
- [needs more testing] Sometimes the SIM-card and/or sdcard is not recognized after a reboot/cold boot. I have to reboot to get it back to work. SIM-card recognition may take more than one reboot.
What's in /system?
- CM11 M11 snapshot
- gapps
- XPosed framework (it boots and everything actually works fine)
...if I forgot anything, I will notice that in a later post or edit this and notice in a new post.
I also have a problem with wakeups again (started just a few days ago, after uninstalling two apps...). That's weird, but I can't find the cause. Neither in the XPosed Logs nor in catlog. I need to investigate it further.
I tried to be very exact and I've put anything that might be relevant into this post.
If you have any ideas (no matter how implausibly they are), post them. I am out of any ideas.
It might be helpful to get a log when it boots "incorrect", but I'm sure it's not written anywhere inside the system.

The good thing is, my wakelock problem "disappeared".
The PQ is having deep sleep again.
I have no idea what the wakelock caused...
No force reboot so far.

Another good thing: the force reboots are gone after disabling the AP/router which probably was the cause.
A stable week for me, the phone didn't crash at all.
Of course the other issues stays.
Saturdays (today) the phone is being rebooted by Titanium Backup. Like a wonder, the phone chose to show the password input (encrypted phone; with sdcard inserted).
After entering the password and some boot-time, the mobile part (SIM-card etc.) chose not to work.
A reboot didn't help and I've got into the annoying problem, that I get a blank black screen with backlight but it boots "normally" (without anything displayed).
It took about 20-30 minutes with trial and error on getting it up with the mobile part again.
BUT: I've found today something new, beside the issue this morning.
Bluetooth seems to be enabled always! It's probably caused by Llama (android app).
Needs also further testing, just wanted to write that somewhere down, so I don't forget.
More details: After disabling it, my "PS3 headset" wanted to pair with "all" devices nearby.
I got pairing messages on the PQ even with disabled BT.

Loader009 said:
Another good thing: the force reboots are gone after disabling the AP/router which probably was the cause.
Click to expand...
Click to collapse
(If anyone cares) the force reboots are gone after setting preamble to "long" (PQ malfunctioning if set to "short") in the router.
The other problem persists but are not that bad because it happens rarely that I need to reboot (soft reboot is mostly enough).