[Q] Screen flickering / Bootloop -> Is my Nexus dead? Data recovery possible? - Samsung Galaxy Nexus

Hello,
just some hours ago my Galaxy Nexus (SC-04D) rebooted while lying on the table next to me. After several sings of vibration I noticed that the phone doesn't boot completely.
When switching on the phone I get the turn-on-vibration, then the google letters are displayed. Most times the word "google" flickers from left to right over the screen (only the line where the word is supposed to be). Sometimes it boots further and I get the colored "X" displayed. This symbol starts flickering, too and if it went so far it reboots.
Here are two pictures I took from the phone failing to boot:
picpaste.com/img_0001_01-Rmm7kDYb.jpg
picpaste.com/img_0001-eoLqVoiM.jpg
The phone is running stock Android from Docomo. The phone is about 14 months old and has never been unlocked, rooted, modded, taken a bath, ... 'til now.
I tried starting with and without SIM-card, with and without charger attached and let it lie around for several minutes without battery between my tries.
Is there any chance to get my data from the phone or even get it fixed? Please give me a hint what I can do.

Well the Red exclamation mark means that there is a problem with the phone reading the build path. Since you have never rooted the phone, this would mean that the files got corrupt on the phone. With a non-rooted phone a Factory Reset is about the only solution, but is probably only a temporary fix. This is most likely caused by too many apps on the phone and it just freaked out on something eventually.
I think these options might work for you, however I cannot confirm since I have rooted my phone from day one and never looked back:
Power button + up volume= recovery

Thanks GPFboy for your fast response,
GPFboyJS said:
Well the Red exclamation mark means that there is a problem with the phone reading the build path. Since you have never rooted the phone, this would mean that the files got corrupt on the phone. With a non-rooted phone a Factory Reset is about the only solution, but is probably only a temporary fix.
Click to expand...
Click to collapse
As far as I understand a factory reset results in a complete loss of data on the phone, right? So without root/unlock there's no chance to get my data from the phone? That would be really bad.
GPFboyJS said:
This is most likely caused by too many apps on the phone and it just freaked out on something eventually.
Click to expand...
Click to collapse
What is "too many"? I think there are about 35 apps installed atm. By the moment the problem arose wifi and 3g-data,BT,GPS were disabled and just a minute before I took a look how late it was. So nothing special.
GPFboyJS said:
I think these options might work for you, however I cannot confirm since I have rooted my phone from day one and never looked back:
Power button + up volume= recovery
Click to expand...
Click to collapse
The phone reaches fastboot mode, but when selecting recovery mode I get the google logo and after that the open android with the red exclamation mark. That doesn't look good, does it?

BrainSD said:
The phone reaches fastboot mode, but when selecting recovery mode I get the google logo and after that the open android with the red exclamation mark. That doesn't look good, does it?
Click to expand...
Click to collapse
thats stock recovery.
is your bootloader already unlocked or no?

Zepius said:
is your bootloader already unlocked or no?
Click to expand...
Click to collapse
It's still locked.

you might try and go into recovery,
then press (i think) power and vol up and try and see if you can wipe just cache.

Zepius said:
you might try and go into recovery,
then press (i think) power and vol up and try and see if you can wipe just cache.
Click to expand...
Click to collapse
ok, I tried that several time now, but it didn't work. The only thing when I select recovery and press the power button is that I get the google logo and then the dead android + red exclamation sign, but this screen is scrambled and shows flickering pixels as shown in one of my pictures in the first post. So recovery mode seems not to work for me?
Is there a software or hardware problem with my device?

BrainSD said:
ok, I tried that several time now, but it didn't work. The only thing when I select recovery and press the power button is that I get the google logo and then the dead android + red exclamation sign, but this screen is scrambled and shows flickering pixels as shown in one of my pictures in the first post. So recovery mode seems not to work for me?
Is there a software or hardware problem with my device?
Click to expand...
Click to collapse
You can try to unlock your boorloader and flash a custom recovery like cwm or twrp. Maybe that helps. You can always go back and re lock it.
Sent from my Galaxy Nexus using XDA Premium HD app

mrgnex said:
You can try to unlock your boorloader and flash a custom recovery like cwm or twrp. Maybe that helps. You can always go back and re lock it.
Sent from my Galaxy Nexus using XDA Premium HD app
Click to expand...
Click to collapse
He wants to keep his data... which, at this point, seems rather impossible.
If fastboot doesn't solve it, i would try omapflash, OP. That "flickering" doesn't look good.

beekay201 said:
He wants to keep his data... which, at this point, seems rather impossible.
If fastboot doesn't solve it, i would try omapflash, OP. That "flickering" doesn't look good.
Click to expand...
Click to collapse
Well if I was him I would be more worried about my expensive phone instead of data. Maybe a lesson for later to have a backup
Sent from my Galaxy Nexus using XDA Premium HD app

beekay201 said:
He wants to keep his data... which, at this point, seems rather impossible.
If fastboot doesn't solve it, i would try omapflash, OP. That "flickering" doesn't look good.
Click to expand...
Click to collapse
Yes exactly this is the point. Since I don't have a current data backup the first thing to try is getting my data from the phone. I already tried temporary loading the clockwork recovery through fastboot - with the galaxy nexus toolkit and by hand(sdk) - but it failed ("Bootloader locked").
What I'm wondering about is the fact that the phone seems to behave normally in odin and fastbood mode but going nuts the moment it's expected to boot. Besides the flickering google logo and the "matrix-modded" dead android it even ended up in a totally green screen one time.
At the moment I don't dare trying to unlock/flash the phone because of being afraid getting stuck and ending up with the phone being in some kind of undefined / totally broken state. Initially I was in hope of being able to rescue my data but now i will try my luck with docomo support first.
As far as I understood omapflash is primary used for recovering bricked phones not even starting to odin/fastboot mode. But thanks to your hint I found http://forum.xda-developers.com/showthread.php?t=2016628 "Unlock bootloader on GT-I9250 without wipe and without root" This might bring some chance for data access.
I will try to get through 1 to 4 of the guide first and see how far I get.
If this won't work I might try to unlock, recover and try to "undelete" what's possible. (http://forum.xda-developers.com/showthread.php?t=1994705)
Does this order make sense?
Btw, having a dead phone is bad, of course, even when I got it new for 2300Yen but loosing some pictures i really liked and having no phone atm currently hurts more. Especially when knowing that I was thinking of copying all photos to my computer only one day before when I pulled only some minor important ones from the phone I needed for work and planned to do a full backup and unlock this weekend when I get back my 'Milestone' currently lent to someone else.
Once again something I learned. Backup! Even you phone.

BrainSD said:
As far as I understood omapflash is primary used for recovering bricked phones not even starting to odin/fastboot mode. But thanks to your hint I found http://forum.xda-developers.com/showthread.php?t=2016628 "Unlock bootloader on GT-I9250 without wipe and without root" This might bring some chance for data access.
Click to expand...
Click to collapse
!!!
It will work actually, I read/also replied to that thread! I had forgotten about it, sorry. I must say that if you had already read the stickies that matter, you'd already know about it.
It will unlock your bootloader, bypassing fastboot. Still, it's not for the faint hearted. I refered to omapflash because its a low level tool, it doesn't require the bootloader to be unlocked, and is able to restore the bootloader to working state, and I got there because you mentioned you see graphical glitches/flickering which may indicate bootloader partition failure and/or consequent corruption.
I think that's your best shot at trying to get your data back. After unlock, boot to fastboot and 'fastboot boot custom_recovery.img', and grab your stuff (if you can) from /data/.

beekay201 said:
!!!
It will work actually, I read/also replied to that thread! I had forgotten about it, sorry. I must say that if you had already read the stickies that matter, you'd already know about it.....
Click to expand...
Click to collapse
Your hint was very helpful for me getting the right direction since I'm just starting to dig into all this stuff.
Unlocking went quite well. Writing back to the phone worked without a problem and after that it's shown as unlocked in fastboot mode.
It even started loading clockwork recovery with fastboot. But the initial cw recovery screen (their logo and the cw recovery footer) was already shown on a scattered screen (google logo + unlocked lock was fine). After that the usb port connected and disconnected several times, then the screen went blank.
May this be because of corrupted fs or defective hw?
From my understanding with omapflash one have raw access to the phones internal memory similar to with dd on Unix/Linux. So currently I'm trying to dump ("upload") the emmc from the phone - actually in smaller chunks since omapflash needs to allocate all the memory in advance for the upload and to prevent interruptions. This will take a while...
After that I want to try to 'cat' the parts together and mount the filesystem - might be possible to do this from linux since it seems to be ext4 filesystems

BrainSD said:
Your hint was very helpful for me getting the right direction since I'm just starting to dig into all this stuff.
Unlocking went quite well. Writing back to the phone worked without a problem and after that it's shown as unlocked in fastboot mode.
It even started loading clockwork recovery with fastboot. But the initial cw recovery screen (their logo and the cw recovery footer) was already shown on a scattered screen (google logo + unlocked lock was fine). After that the usb port connected and disconnected several times, then the screen went blank.
May this be because of corrupted fs or defective hw?
From my understanding with omapflash one have raw access to the phones internal memory similar to with dd on Unix/Linux. So currently I'm trying to dump ("upload") the emmc from the phone - actually in smaller chunks since omapflash needs to allocate all the memory in advance for the upload and to prevent interruptions. This will take a while...
After that I want to try to 'cat' the parts together and mount the filesystem - might be possible to do this from linux since it seems to be ext4 filesystems
Click to expand...
Click to collapse
Great, so far so good.
Yeah, they're ext4 images, but sparse images i believe - link

Related

100% Stock, Stuck at "X" Logo on boot. "Dead Android" w/ Exclamation (!) in Recovery

100% Stock, Stuck at "X" Logo on boot. "Dead Android" w/ Exclamation (!) in Recovery
Can someone please help me, PLEASE!!
I just want to be able to download the data from my phone, I don't care about getting android working again right now, I just want to download my photos and videos from the phone. I have a Verizon Galaxy Nexus that's completely stock, including locked bootloader. I tried using the toolkit and I am able to have it see the device while it's in fastboot but I can't do any of the functions because it wants to unlock my bootloader which will erase all my data! I was just swapping the battery on my phone when this happened. I wasn't trying to do anything special, it was just supposed to be a normal boot up but it just got stuck on the "X". I'm running 4.1.1. My stock recovery shows a photo of a dead android and an exclamation point. It looks like this: http://3.bp.blogspot.com/-jF4CgOU8c...ASKg/m6YOuDRcs4g/s1600/AndroidRedTriangle.JPG
Can someone please help me? I will seriously send you a paypal for your time, just please help me the data from my phone. I am somewhat savvy, like I said...I am in fastboot, my drivers are installed, and the toolkit can recognize my phone without any issue.
Thank you soooo sooo much in advance!
Why don't you just boot into stock recovery and just wipe cache. Maybe some rogue app is preventing your boot up.
You will not lose any data by only wiping cache.
Sent from my Galaxy Nexus using xda premium
mariosraptor said:
Why don't you just boot into stock recovery and just wipe cache. Maybe some rogue app is preventing your boot up.
You will not lose any data by only wiping cache.
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
My stock recovery shows a big "!" with a dead android. It looks like this.
http://3.bp.blogspot.com/-jF4CgOU8c...ASKg/m6YOuDRcs4g/s1600/AndroidRedTriangle.JPG
I think this might be my only option once I get the phone working again.
http://forum.xda-developers.com/showthread.php?t=1994705
What steps should I take right now though?
Thank you again so much in advance.
Don't fear....
Even if you unlock your boot loader your data is not actually gone. But let's cross that bridge if we get there.
First things first: take your battery out, take your sim card out, put your sim card in and put your battery in. Boot up the phone.
If that doesn't fix you then the next thing to do is try safe mode. Power off the phone. Then, press the power button and BOTH (yes both) the volume up AND the volume down buttons. Hold them until the phone boots up.
If that doesn't work write back. Don't worry though. Your data is safe.
Wartickler said:
Even if you unlock your boot loader your data is not actually gone. But let's cross that bridge if we get there.
First things first: take your battery out, take your sim card out, put your sim card in and put your battery in. Boot up the phone.
If that doesn't fix you then the next thing to do is try safe mode. Power off the phone. Then, press the power button and BOTH (yes both) the volume up AND the volume down buttons. Hold them until the phone boots up.
If that doesn't work write back. Don't worry though. Your data is safe.
Click to expand...
Click to collapse
First, thank you so much for replying.
I should have been more clear in my original message, I took my battery out and sim card in and out over 10 times and I even let the phone sit there for 30 minutes while it was at the X animation to no avail.
I have now also attempted a safe mode boot 4 times with no luck. During my safe mode boot attempts, the phone vibrated a few times but the display just remained at the X animation. It even did it after I let go of the volume key. I'm not sure what to make of this but I attempted it twice with holding both volume keys down as soon as the "google" logo appeared and twice with just the volume down key as soon as the "google" logo appeared. Same thing all 4 times, just sits at the X animation.
What would you recommend as a next step to recover the data? I really only care about the DCIM folder, nothing else matters that much.
forumsid987 said:
What would you recommend as a next step to recover the data? I really only care about the DCIM folder, nothing else matters that much.
Click to expand...
Click to collapse
So can you get into your boot loader at all?
Sent from my Galaxy Nexus
"Two hours? I think I could do better than that streaming Netflix with torch on. Something is very wrong there." - mmuzzy
forumsid987 said:
My stock recovery shows a big "!" with a dead android. It looks like this.
http://3.bp.blogspot.com/-jF4CgOU8c...ASKg/m6YOuDRcs4g/s1600/AndroidRedTriangle.JPG
Click to expand...
Click to collapse
When you see this, press power+ vol up to get to the stock recovery menu. There is a wipe cache option there. It may take you a few tries to press both buttons at exactly the same time, but keep trying. No need to reboot in between tries.
Sent from my Xoom using xda premium
Winesnob said:
When you see this, press power+ vol up to get to the stock recovery menu. There is a wipe cache option there. It may take you a few tries to press both buttons at exactly the same time, but keep trying. No need to reboot in between tries.
Sent from my Xoom using xda premium
Click to expand...
Click to collapse
Thank you for your reply. I was able to get there and I formatted my cache. After that completed I chose the option to reboot the phone. I didn't do anything special during that reboot like trying to hold the volume down button as well for safe mode, I just let it go. It sat at the "X" animation for about 15 minutes before I gave up and tried it again holding the down volume button, again...no luck. I tried it a third time with holding the down and up volume buttons, no luck.
Any other ideas? Again, I know I've said this a few times but believe me when I say...I really appreciate your guys' help.
forumsid987 said:
Thank you for your reply. I was able to get there and I formatted my cache. After that completed I chose the option to reboot the phone. I didn't do anything special during that reboot like trying to hold the volume down button as well for safe mode, I just let it go. It sat at the "X" animation for about 15 minutes before I gave up and tried it again holding the down volume button, again...no luck. I tried it a third time with holding the down and up volume buttons, no luck.
Any other ideas? Again, I know I've said this a few times but believe me when I say...I really appreciate your guys' help.
Click to expand...
Click to collapse
I think you need to get into fastboot, unlock the bootloader (if it isn't already) and put a clean factory image on. You'll lose your data when you unlock, but there is a thread in this forum on recovering that information. If you're already unlocked, just flash the boot and system images individually - it may clean up whatever is corrupt.
Sent from my Xoom using xda premium
Winesnob said:
I think you need to get into fastboot, unlock the bootloader (if it isn't already) and put a clean factory image on. You'll lose your data when you unlock, but there is a thread in this forum on recovering that information.
Click to expand...
Click to collapse
Yep. That's pretty much where you are headed now: http://forum.xda-developers.com/showthread.php?t=1994705
Sent from my Galaxy Nexus
"Two hours? I think I could do better than that streaming Netflix with torch on. Something is very wrong there." - mmuzzy
Wartickler said:
Yep. That's pretty much where you are headed now: http://forum.xda-developers.com/showthread.php?t=1994705
Sent from my Galaxy Nexus
"Two hours? I think I could do better than that streaming Netflix with torch on. Something is very wrong there." - mmuzzy
Click to expand...
Click to collapse
Thanks guys. I will be attempting this now. Crossing fingers!
Please post questions and issues in Q&A
Thread moved
Thanks
FNM
Wartickler said:
Yep. That's pretty much where you are headed now: http://forum.xda-developers.com/showthread.php?t=1994705
Sent from my Galaxy Nexus
"Two hours? I think I could do better than that streaming Netflix with torch on. Something is very wrong there." - mmuzzy
Click to expand...
Click to collapse
I tried this, it recovered only 36 files out of a 28 GB data file, and the files it did recover were all just files that have been on the phone since I unlocked the bootloader, flashed a custom recovery and flashed a stock OS so I could boot up and do all this. Frankly it seems like the files recovered were all the ones that were on the phone since I flashed a rom, none of my previous data are there. I followed the instructions to a T. Am I doing something wrong? Is the recovery software limiting me somehow because I am not using the paid version?
You have been so kind and helpful thus far, please assist me in figuring out what else I can do.
Thank you!
How the hell..
You can unlock your bootloader using omap flash, doing so will not cause you to lose tour data..................................
There is a thread on it..
Beamed from my Maguro.
Mach3.2 said:
How the hell..
You can unlock your bootloader using omap flash, doing so will not cause you to lose tour data..................................
There is a thread on it..
Beamed from my Maguro.
Click to expand...
Click to collapse
Where were you 24 hours ago??? I am so sad right now, I cannot even begin to describe it. I searched like crazy before I did this, or so I thought.
forumsid987 said:
Where were you 24 hours ago??? I am so sad right now, I cannot even begin to describe it. I searched like crazy before I did this, or so I thought.
Click to expand...
Click to collapse
Wasn't around..
http://forum.xda-developers.com/showthread.php?t=2016628
It's legit.
Figured out it's easier to download from dropbox as compared to rapidshare.
https://www.dropbox.com/s/y0aouzpuppdnivo/OMAPFlash_tuna.zip
No matter how many darn times I try or how many different recovery software suites out there I try, I am getting nothing back. This is so disappointing. Can anyone please recommend something to me? A better data recovery solution? A better way to extract the data from the phone? Anything. I am desperate. I am contemplating going to a legit data recovery center and paying the $500 cause I don't know what to do anymore but I don't even know if they'll be able to do anything.
forumsid987 said:
This is so disappointing. Can anyone please recommend something to me? A better data recovery solution? A better way to extract the data from the phone? Anything. I am desperate.
Click to expand...
Click to collapse
Which phone are you using? Make sure you are pulling from the correct partition for the userdata of your phone.
Sent from my Galaxy Nexus using xda app-developers app
---------- Post added at 12:30 AM ---------- Previous post was at 12:24 AM ----------
Winesnob said:
I think you need to get into fastboot, unlock the bootloader (if it isn't already) and put a clean factory image on...
Click to expand...
Click to collapse
Not sure of the need to flash a new image. May do more harm than good....
Sent from my Galaxy Nexus using xda app-developers app
You could have just transferred files using adb and then a factory reset on your phone with the recovery.

[Q] Nexus 7 suddenly bricked ?

Hello all, so yesterday I went on my tablet (Nexus 7 2013 WIFI ver.) and browsed the net a bit and went to sleep. I recall having around 30% battery power. This morning I wake up to an apparently flat battery (power button didn't turn on anything) so I just plugged it in and did something else. After a while, I took my tablet and started it with the power button. However, it got stuck on the Google logo and never fired up anything. I've rooted the tablet quite some time ago (months) so the cause is not from there.
Things I haven't recently done:
Installing an app.
Rooting or flashing anything.
Updating an app.
Things I have tried doing to fix the problem:
Booting into FASTBOOT then trying the recovery mode = still stuck on the Google logo.
Booting a custom recovery image using Wug's toolkit = frozen at the team logo (TWRP) / black screen (CWM).
Flash Stock + Unroot (Soft-Bricked/Bootloop) = FAILED (flash write failure).
So now I'm really stuck and desperate to make the device work again. I've been reading all day long and trying all sorts of solutions to no avail. And it seems far-fetched to me for a device like this to just instantly brick itself without any reason at all.
Can anyone help me with this case ? Or does anyone has any idea what just happened to my tablet ? :crying:
EDIT: I'm afraid that warranty might not work as the device was unlocked and rooted so it's the last solution for me.
Bumpity bump
No one has any idea what happened to the tablet and how to fix it ? I've tried doing some more flashing but to no avail. It just refuses to flash and keeps failing to write the files.
I think you need to leave out on the charger for 1/2hr without doing anything with it. You are probably using what little power it has charged by trying to reboot it, etc.
I had to do that once and it did the trick.
Sent from my Nexus 7 using XDA Free mobile app
There is no reason you should not be able to get in to recovery (power and volume down).
You could call Motorola. They have good tech support.
The exact same thing happened to me. I rooted it months ago and haven't changed a thing since then. It just froze up a few days ago. I restarted and it just gets stuck on the google screen. I can get into the bootloader, but when I try to go to recovery, the google screen comes up and won't go away. I've tried every method I can find for flashing the stock image and absolutely nothing is working. I just get stuck on the google screen.
Please update this if you find a solution!
Do u guys have the most up to date version of whatever particular recovery that you're on?
Yep. I've flashed the stock recovery multiple times to no avail. :/
nexusjas said:
Yep. I've flashed the stock recovery multiple times to no avail. :/
Click to expand...
Click to collapse
If you can't get into recovery or flash any images it sounds to me like a hardware failure. Bad memory maybe? If you've tried everything then RMA to Asus before the one year warranty runs out.
Have you tried to see if your computer sees your N7 by typing fastboot devices if you have the sdk installed?
wantabe said:
If you can't get into recovery or flash any images it sounds to me like a hardware failure. Bad memory maybe? If you've tried everything then RMA to Asus before the one year warranty runs out.
Click to expand...
Click to collapse
Not what I wanted to hear, but you're probably right. Thanks :/
nexusjas said:
Not what I wanted to hear, but you're probably right. Thanks :/
Click to expand...
Click to collapse
I was to slow with my update. Does your computer see your N7 with fastboot?
wantabe said:
I was to slow with my update. Does your computer see your N7 with fastboot?
Click to expand...
Click to collapse
Yes, I can get into the bootloader just fine and I can use fastboot. I go through the flashing process and the command prompt says everything flashed successfully, but when I restart the device, it hangs on the google logo. The same thing happens when I try to boot into recovery.
nexusjas said:
Yes, I can get into the bootloader just fine and I can use fastboot. I go through the flashing process and the command prompt says everything flashed successfully, but when I restart the device, it hangs on the google logo. The same thing happens when I try to boot into recovery.
Click to expand...
Click to collapse
If you fastboot flashed the factory image and can't boot up then it sounds like a hardware problem. Out of ideas, sorry.
wantabe said:
If you fastboot flashed the factory image and can't boot up then it sounds like a hardware problem. Out of ideas, sorry.
Click to expand...
Click to collapse
I'm not sure what happened, but I just ran this little utility again (I've done it many times over the last week or so to no avail) and it actually worked. Hopefully it keeps working!
Thanks for your help!

[q] hard bricked

OK,
So a friend of mine asked me to help him fix his Nexus 7 2013 FLO (WiFi only).
According to him he hasn't even unlocked the bootloader (and the info displayed while in fastboot mode confirms this). Apparently what happened, a few months ago, he downloaded an OFFICIAL KitKat OTA, clicked OK to upgrade, and since then, the tablet will not get past the screen that says Google. I can get it into fastboot mode but cannot flash anything, and when I attempted to use The Nexus Root Toolkit by WugFresh to unlock the bootloader at the very least, I can get it to display the screen that says "please use the arrow key to navigate Yes or No. Unlocking your bootloader allows you to load a custom OS, but may void your warranty, etc. etc. etc."
I tried using CMD to erase the cache and userdata and after giving it upwards of 20 minutes, during which the window (in CMD) simply said "erasing cache" and never actually made any progress whatsoever...
Any idea what (if anything) can be done?
Sound off in the comments!
Thanks a million!
Stephen Spigelman
I can't help... but am in the same boat as of last night with the 5.0 update.
Were you able to unlock the bootloader? You did say that you were able to get to the screen to unlock it. If not, i dont think much of anything can be done.
Bricked
Virgin N7 2013... No hacking... Bootloader locked... started acting weird and I attempted a system restore. It now gets stuck at the Google screen. Fastboot gets stuck at erasing userdata. I have tried multiple USB cables on Win7, OSX, and Ubuntu. Help!!!
im wondering how this happens?, I already unlocked my bootloader just cause of this.. maybe the chip just dies?
When my 2013 was stuck at the Google screen, I RMAed and they had to replace the motherboard. Unfortunately, I think this is a hardware issue.
ariesgodofwar said:
When my 2013 was stuck at the Google screen, I RMAed and they had to replace the motherboard. Unfortunately, I think this is a hardware issue.
Click to expand...
Click to collapse
Too many of us with the exact same problem after trying to to flash Lollipop. Cant believe we re all having hardware problems at the same time.
tigerdim said:
Too many of us with the exact same problem after trying to to flash Lollipop. Cant believe we re all having hardware problems at the same time.
Click to expand...
Click to collapse
Mine did not occur after flashing any firmware, but the symptom was the same in that I could get into the bootloader, attempt to flash new system images, appear as if all would be well, and then on reboot would stick at the Google screen. Not sure if folks are seeing the same thing here, but when I tried to get into Recovery from the Bootloader menu, it would reboot as if going there, but still never make it past the Google screen. It happened within 18 hours of unboxing a remanufactured N7 G2. Asus advised on the packing slip that is was a LED (Indicator) Error (whatever that is), and they they subsequently had to replace the board to fix it.
I hope it is a software issue, but not sure to tell you how to go about correcting it if you cannot flash new images via ADB or the bootloader and get it to boot successfully.
When i boot to recovery i get the TWRP startup screen but stays stuck.
Bump
bump.. any ideas?
i have the same :/
kobi_shalom said:
i have the same :/
Click to expand...
Click to collapse
Its driving me nuts.
I have found though that if I try a "Erase Boot" or similar and pull the cable after a second or so I do get a "OK" instead of being stuck with "Erasing boot..." Seems to work for Boot, Cache etc..
The problem is that when I try OEM Unlock it needs to perform 5 different erases, so pulling the cable wont work for this. I just stay stuck on "Erasing userdata...r..."
tigerdim said:
Its driving me nuts.
I have found though that if I try a "Erase Boot" or similar and pull the cable after a second or so I do get a "OK" instead of being stuck with "Erasing boot..." Seems to work for Boot, Cache etc..
The problem is that when I try OEM Unlock it needs to perform 5 different erases, so pulling the cable wont work for this. I just stay stuck on "Erasing userdata...r..."
Click to expand...
Click to collapse
So you success?
NO success because I cannot unlock the bootloader.

(FIXED) Samsung Galaxy Tab S 8.4 will not fully boot up.

I've had my Samsung Galaxy Tab S 8.4 (SM-T705Y) for just over two years now and it has worked brilliantly beside the odd issue here and there, including the device freezing from time-to-time. Each time that particular freezing issue has happened, I've used the 'Power and Volume Down buttons' technique and it has successfully fixed the issue.
Now, a few days ago, I was using my tablet for normal morning things; music app playing in the background, YouTube opened on the side, using the preinstalled Browser and Google Chrome apps, etc. I am not sure if it was updating any Google or Samsung apps at the time. The screen froze up so I left it for a few minutes, seeing if it would unfreeze. When it didn't, I used the same Power and Volume Down technique, which successfully forced-restarted the tablet. There was a small mistake I made doing this; I was holding down both the Power button and Volume Up button. It took me around thirty seconds to realise why the screen wasn't turning off and switched to the Volume Down button. At the time, both my earphones and the charging cord were connected.
However, upon the loading screen, I noticed that it did not pass the Samsung logo screen with the little explosion of blue circles and just kept replaying the same animation repeatedly. The Application History and Back buttons did not light up and the device did not vibrate as it normally does when it boots up. I repeated the Power-Volume Down technique to see if that would fix the issue. Once again, the tablet rebooted normally but was stuck at the logo screen playing the animation. I tried this same force-restart again, this time without the charger plugged in. No change.
So, I left it running through the animation while doing Google searches through forums and getting into contact with Samsung as to what the issue could be. I'll list down below what my tablet can and can't do at the moment and hopefully someone will have a clue as to what is going on and how to fix it. I will point out now that it was not going through a firmware update at the time, the device is not rooted and nor do I plan on taking that path with it, and I have not made any changes to it that can void the warranty.
It can:
- Recharge (The battery icon will show up if it is force-restarted and the charger is plugged in at the time.)
- Reboot (It's not exactly stuck in a bootloop, more of just the 'explosion' animation replaying over-and-over.)
- Enter Recovery Mode
It cannot:
- Enter Safe Mode
- Be Shut Down without the charger attached (As stated above, the device will only turn off with the Power-Volume Down buttons held for about 30 seconds and that causes the device to restart, not turn off. The only way for it to completely shut down is to have the charger connected and then unplug it after the battery icon appears.)
I have tried removing the SD card and placing it back in, power-cycling it, letting it run on the animation until the battery runs out and then letting it recharge to 100% before turning it on again, connecting it to Samsung Smart Switch (which recognises that there is a Samsung device connected, but not being able to register the device itself), and wiping the Partition Cache (Also note; the Recovery Mode has the 'No Command' sign with the android laying down and the red triangle with the exclamation point above it. Clearing the Partition Cache seemed to go smoothly, however when I chose the 'reboot device now' option, the 'No Command' sign changed to 'Error!' and rebooted the device anyway.) I am now currently trying another technique written on a different website (though since I am a new user, I cannot post up URLs at the moment). So far, plugging in the earphones alone hasn't worked and the device is currently connected to my laptop - which is shut off - and still has the earphones connected, but the animation is the only thing the screen is still showing.
I have important files saved in the internal storage of my Tab S and I do not have them backed up, which is the only issue that's stopping me from just going ahead and doing a Factory Reset as I cannot lose these files.
I am unsure if my Tab S is soft-bricked or if this is another issue entirely and I just missed something that could have already fixed it.
Yes, this is a long and detailed post, but hopefully with these details, someone will be able to help with this issue. If I can restore my Tab S to its condition before the freeze, that would be amazing, but I can definitely settle with only being able to salvage my files from the internal storage and then performing a Factory Reset on it.
Thank you in advance~
It might be a corrupt partition. The way i know involve rooting or the other one might format your device to factory setting.
edan1979 said:
It might be a corrupt partition. The way i know involve rooting or the other one might format your device to factory setting.
Click to expand...
Click to collapse
Really? I might look into that a bit more, thanks! With the second method you mentioned, how likely are the chances of it formatting the device to the factory settings?
AussieMouse said:
Really? I might look into that a bit more, thanks! With the second method you mentioned, how likely are the chances of it formatting the device to the factory settings?
Click to expand...
Click to collapse
download the official firmware and flash it via odin. it usually fix this type of problem. but usually the files on the internal storage/sdcard will be intact. only the data apps will be gone. this will not break your warranty (its already 2 yo device... no more warranty anyway ^_^)
edan1979 said:
download the official firmware and flash it via odin. it usually fix this type of problem. but usually the files on the internal storage/sdcard will be intact. only the data apps will be gone. this will not break your warranty (its already 2 yo device... no more warranty anyway ^_^)
Click to expand...
Click to collapse
Alright, I'll try that and let you know how it goes. Is there any specific website I should download the firmware (4.4.2 KitKat) from? (Yeah, I agree with you there! Still, just to be on the safe side~)
KIT KAT? ok that's old... hahaha... why dont you try MM. I think you can search for it at fw.updato.com probably can see all related firmware there.
edan1979 said:
KIT KAT? ok that's old... hahaha... why dont you try MM. I think you can search for it at fw.updato.com probably can see all related firmware there.
Click to expand...
Click to collapse
Haha Yeah, I'm not too fond of installing software updates due to past experiences~ I'll have a look around.
AussieMouse said:
Haha Yeah, I'm not too fond of installing software updates due to past experiences~ I'll have a look around.
Click to expand...
Click to collapse
MM is ok. I dont have any problem with it.
edan1979 said:
MM is ok. I dont have any problem with it.
Click to expand...
Click to collapse
Thank you so much for your help! I managed to find the KitKat 4.4.2 firmware on SamMobile and flashing it restored everything~

Bricked?!?

Just got the XL on Friday. Loved it.
Unlocked the bootloader about 45 minutes ago. Wiped upon reboot (as normal). Google logo displayed with progress bar but the animation never stopped.
Downloaded the factory image from Nov. Ran the flash-all.bat from bootloader. No errors. Rebooted. Got a "Your device is corrupt" error. Phone stuck on the Google boot screen. Going into recovery just gives me a dead droid.
Attempting to flash the 8.1 developer preview results in the same issue. As of right now, nothing seems to boot at all. I've changed USB-C cables, since I've read about those causing issues, but still the same.
derekr44 said:
Just got the XL on Friday. Loved it.
Unlocked the bootloader about 45 minutes ago. Wiped upon reboot (as normal). Google logo displayed with progress bar but the animation never stopped.
Downloaded the factory image from Nov. Ran the flash-all.bat from bootloader. No errors. Rebooted. Got a "Your device is corrupt" error. Phone stuck on the Google boot screen. Going into recovery just gives me a dead droid.
Attempting to flash the 8.1 developer preview results in the same issue. As of right now, nothing seems to boot at all. I've changed USB-C cables, since I've read about those causing issues, but still the same.
Click to expand...
Click to collapse
I have no experience with your issue but it sounds like a soft brick. Im sure if you follow this guide ypu can fix it. https://forum.xda-developers.com/pixel-2-xl/how-to/guide-unlock-flash-root-pixel-2-xl-t3702418 hopefully this helps until someone who really knows can help you.
Dielahn said:
I have no experience with your issue but it sounds like a soft brick. Im sure if you follow this guide ypu can fix it. https://forum.xda-developers.com/pixel-2-xl/how-to/guide-unlock-flash-root-pixel-2-xl-t3702418 hopefully this helps until someone who really knows can help you.
Click to expand...
Click to collapse
That simple thread actually gave me an idea. I grabbed the latest SDK tools. Presto!
Note to anyone else with this issue...
derekr44 said:
Just got the XL on Friday. Loved it.
Unlocked the bootloader about 45 minutes ago. Wiped upon reboot (as normal). Google logo displayed with progress bar but the animation never stopped.
Downloaded the factory image from Nov. Ran the flash-all.bat from bootloader. No errors. Rebooted. Got a "Your device is corrupt" error. Phone stuck on the Google boot screen. Going into recovery just gives me a dead droid.
Attempting to flash the 8.1 developer preview results in the same issue. As of right now, nothing seems to boot at all. I've changed USB-C cables, since I've read about those causing issues, but still the same.
Click to expand...
Click to collapse
By the way, the dead Droid is recovery, from that screen, hold power and press up for recovery menu, in case you ever get stuck again
And just for future reference for others who may be in a similar issue and stumble across this thread...
As long as you've successfully unlocked your bootloader and "fastboot devices" successfully pulls up your device, you'll be just fine. You just gotta take a step back, breath and then make sure your SDK tools are updated before moving forward.
if the flash tool isn't working, use my script:
https://forum.xda-developers.com/pi...ol-deuces-bootloop-recovery-flashing-t3704761
i know this is probably going to sound really stupid but somehow i bricked my phone as well....not exactly sure what happened but it had to do with something after installing/booting TWRP. anyway, i am stuck with nothing on my phone and can't seem to do anyting....derek, how did you use sdk to fix???
*edit I can't even have fastboot devices pull my phone....am i really f'ed?
warlord1352 said:
i know this is probably going to sound really stupid but somehow i bricked my phone as well....not exactly sure what happened but it had to do with something after installing/booting TWRP. anyway, i am stuck with nothing on my phone and can't seem to do anyting....derek, how did you use sdk to fix???
*edit I can't even have fastboot devices pull my phone....am i really f'ed?
Click to expand...
Click to collapse
If you cannot get the Bootloader to load, then you are seriously SOL. You have a hard bricked device.
Only thing you can do now is raise a support case with Google and hope that allow you to get a replacement with the only explanation being, "The phone restarted on it's own and never came back up." Or something similar and vague without expressly telling them what you did.
warlord1352 said:
i know this is probably going to sound really stupid but somehow i bricked my phone as well....not exactly sure what happened but it had to do with something after installing/booting TWRP. anyway, i am stuck with nothing on my phone and can't seem to do anyting....derek, how did you use sdk to fix???
*edit I can't even have fastboot devices pull my phone....am i really f'ed?
Click to expand...
Click to collapse
Make sure you try a different cable to connect your phone to your PC.. I had the same issue, and I try two different cable before my device accepted the flash-all
Okay, so somehow fortunately I was able to get back into my TWRP 1 last time and able to push my files I needed to boot it back up...
Raistline said:
If you cannot get the Bootloader to load, then you are seriously SOL. You have a hard bricked device.
Only thing you can do now is raise a support case with Google and hope that allow you to get a replacement with the only explanation being, "The phone restarted on it's own and never came back up." Or something similar and vague without expressly telling them what you did.
Click to expand...
Click to collapse
The funny thing is I was able to and was in bootloader but I couldn't use any commands from my computer (as far as I know) which is why I was freaking out.
I should've but I didn't actually try using other cables. I did try other usb ports but that didn't do anything.
I still kind of believe that my phone (somehow) got messed up from loading TWRP. I don't know if it's because it is still beta or what but I am like 99% sure it was from that as I can't see anything else being the problem.
warlord1352 said:
i know this is probably going to sound really stupid but somehow i bricked my phone as well....not exactly sure what happened but it had to do with something after installing/booting TWRP. anyway, i am stuck with nothing on my phone and can't seem to do anyting....derek, how did you use sdk to fix???
*edit I can't even have fastboot devices pull my phone....am i really f'ed?
Click to expand...
Click to collapse
just install the lastest fastboot and adb drivers from google and flash the factory image using commands or use any script .
after that everytime my phone got stuck on google logo .
how i fixed - Temporary boot twrp beta2 recovery using cmd (fastboot boot abc.img) "here abc refers to the correct name of the img file" and once booted into recovery go to advanced and select Partition A and reboot.
It will boot up just fine
Here is the link for a script that will flash both partitions with stock image
https://forum.xda-developers.com/pi...ol-deuces-bootloop-recovery-flashing-t3704761
derekr44 said:
Just got the XL on Friday. Loved it.
Unlocked the bootloader about 45 minutes ago. Wiped upon reboot (as normal). Google logo displayed with progress bar but the animation never stopped.
Downloaded the factory image from Nov. Ran the flash-all.bat from bootloader. No errors. Rebooted. Got a "Your device is corrupt" error. Phone stuck on the Google boot screen. Going into recovery just gives me a dead droid.
Attempting to flash the 8.1 developer preview results in the same issue. As of right now, nothing seems to boot at all. I've changed USB-C cables, since I've read about those causing issues, but still the same.
Click to expand...
Click to collapse
Something similar for me but with different reason for starting all this. When I did sideload of 8.1 all went well but my camera wasn't working (I saw the same thing in 8.1 DP) so I needed to go back to 8.0 but you can't sideload downgrade. I went to Google to get replacement sent and figure I might try to sort things out with this one in the meantime. I had to unlock to be able to just flash the factory 8.0 image so did that with both the unlock commands, then after that and after update I just got hung on the white screen with google logo. I was able to get back to bootloader with the power button + volume from off and from there I would get to the screen with the android and the exclamation point - I think you hold volume up and then power to go to sideload. Once there I just sideloaded 8.0 and all was good. I do still get the warning about corrupt whatever and have to hit power on reboot or fresh power up but I could redo the locks and whatnot and all seems fine now with camera working.
At the least I got camera back while waiting for replacement.
b4db0ys said:
just install the lastest fastboot and adb drivers from google and flash the factory image using commands or use any script .
after that everytime my phone got stuck on google logo .
how i fixed - Temporary boot twrp beta2 recovery using cmd (fastboot boot abc.img) "here abc refers to the correct name of the img file" and once booted into recovery go to advanced and select Partition A and reboot.
It will boot up just fine
Here is the link for a script that will flash both partitions with stock image
https://forum.xda-developers.com/pi...ol-deuces-bootloop-recovery-flashing-t3704761
Click to expand...
Click to collapse
This cleaned things up for me - still no camera in 8.1 but I got the replacement coming.
So I'm in the same boat as the OP but my bootloader is locked. Am I totally screwed? Is there a way to do any of this when the device won't show up in ADB?
Deuces said:
if the flash tool isn't working, use my script:
https://forum.xda-developers.com/pi...ol-deuces-bootloop-recovery-flashing-t3704761
Click to expand...
Click to collapse
can you just develop some scripts that working on locked bootloader ?
i have a bricked Pixel xl with locked bootloader and oem locked
If you can boot twrp but can't connect to a pc, a type c flash drive comes in handy. Load it with the needed ota, twrp installer zip and Just mount it and you're good to go.

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