I have the Nexus S from Telus.
It was rooted, unlocked, running CM7. However I've been having issues with it freezing and decided I want to go back to the stock rom.
I ended up downloading what I thought was stock ROM for my phone (Stock GRH78 Nandroid Backup in this Tutorial http://forum.xda-developers.com/showthread.php?t=884093) however after it flashed my phone, I ended up with a phone which was essentially stuck in Airplane mode, would not connect to Telus. I'm guessing that it has the wrong radio for my phone/carrier?
So then I ended up finding a zip file someone posted Stock-GRJ22-i9020A-unsigned which should have worked, I ended up flashing the zip file from recovery.
It said it installed fine. Rebooted, and now the phone just cycles the Samsung Loading screen endlessly.
I tried to go back to recovery, and it gives me yellow triangle with !.
Is there any way to flash the recovery image back to the phone?
I plug the phone in and the PC won't recognize a device.
I installed the Android SDK
Ran the command adb devices, no devices attached to the PC.
I tried fastboot devices - blank
I don't know how I'll be able to get files back onto the phone SD Card for flashing etc...
I had the exact problem two days ago...flashed an image that jacked my phone up. Wouldn't boot past the google logo. Sat there indefinitely.
Read this thread and see if you can get it work. In a nutshell, you need the PDA net drivers installed. Since PDA net can't install the app on your phone (because it's not booted into an OS) leave the install program in limbo and voila, fast boot will work. From there, push the recovery.img (google Clockworkmod recovery image), boot into recovery and you are off to the races.
This is, of course, assuming you already have a ROM image on your internal SD card you can flash to get back up and running. I'm not sure how to install a .zip image ROM if you can't gain access to your SD card.
http://forum.xda-developers.com/showthread.php?t=1303522
Good luck, I know the feeling. It blows.
Ah, just found out how to install a file on a phone that won't boot.
You do need to flash CWM recovery first though.
http://forum.xda-developers.com/showpost.php?p=18437305&postcount=2
Good news! I tried a factory reset/data wipe and rebooted the phone.
It doesn't hang anymore, all functions restored and the phone is working on Telus again!
I guess I had to format data, clear cache, before the flash of the rom.
So relieved.
Issue has been solved!
I'll start from the beginning.
I got my loverly TF300T.
I've had my phone running cyanogenmod, so I figured I would throw that on my TF300 since it was so smooth.
My tablet came with 10.4.2.9, JB 4.1.1. I made sure to document this.
So I download the unlock APK and install it and unlock the bootloader.
Next I go into fastboot mode and flash TWRP.
I boot into recovery root the device, and boot back up to entire root is working - it was.
I then download my CM 10, drop it on the root of my internal storage.
Boot back to recovery, flash CM 10, reboot.
Get stuck at Asus/Nvidia boot screen.
Great. So I look do a bit of research and discover the Jellybean bootloader doesn't work with CM10, or something to that effect. Damn.
I'll try the CM10.1 Nightlies, They run JB, shouldn't be a problem. I throw it on my SD card, move the SD card, boot into recovery, flash it, boot it. Hooray, everything is working...except the wifi won't turn on. Well, we can't have that.
So I decide to flash back to stock. Not a big deal.
I download it 10.4.2.20 from the Asus site, extract the ZIP, throw it on the SDcard, boot into recovery, flash it.
Now I am sitting on an infinite load screen with the circular loading pattern.
So then I find 10.4.2.9 (what I started with) and flash that. Same infinite load screen.
Between every flash I wiped caches/system.
I am at a bit of a loss.
I can still access fastboot & recovery, but I can't seem to get the stock rom to boot anymore.
I can load 10.1 nightlies on it, and it works, but the wifi chip refuses to turn on.
If you have any ideas or a rom I can try or maybe I am missing something.
I am pretty new to this, so I don't know everything.
It's working!
Just an update, I got it working again!
I pulled off my titaniumbackup file, and decided to do a full delete/format of everything.
When I looked at the logs, I realized that /data was not properly mounting, leaving me to think that was part of the bad installs.
After a full cache/system wipe + a reformat of internal storage, I pushed the 10.2.4.9 blob via ADB (boy was that the longest 5 minutes of my life) and luckily it booted back up with everything working.
I then flashed my update.zip and superuser.zip, and let the titaniumbackup do it's thing, and my tablet is back.
While I didn't get a response here, I did find the commands and know-how here.
So I just wanted to say....This forum is awesome and thank you to all those who deal with this troubleshooting!
Everything was working fine but I haven't updated my ROM (Mokee ROM in my sig) in a long time. I also wanted to just start fresh. So, I rebooted into recovery and wiped absolutely everything. I downloaded the same (but updated) ROM I was using before. I put the files on a microSD and put the microSD into the tablet. I flashed the ROM and then GApps as described in the instructions and then rebooted. Now I am stuck in a boot loop. At first, I thought maybe the downloaded files were corrupt. So I downloaded them again on another computer. It didn't change a thing.
But every time I try getting into recovery mode, it just boots to the ROM. So how do I get things up and running again? I'm comfortable with the command line but right now ADB and Fastboot dont see the device. I've installed the USB drivers and 15 second ADB/fastboot install on Windows. I've never had this problem and haven't found anything online yet that provides a solution. What now?
x000111 said:
Everything was working fine but I haven't updated my ROM (Mokee ROM in my sig) in a long time. I also wanted to just start fresh. So, I rebooted into recovery and wiped absolutely everything. I downloaded the same (but updated) ROM I was using before. I put the files on a microSD and put the microSD into the tablet. I flashed the ROM and then GApps as described in the instructions and then rebooted. Now I am stuck in a boot loop. At first, I thought maybe the downloaded files were corrupt. So I downloaded them again on another computer. It didn't change a thing.
But every time I try getting into recovery mode, it just boots to the ROM. So how do I get things up and running again? I'm comfortable with the command line but right now ADB and Fastboot dont see the device. I've installed the USB drivers and 15 second ADB/fastboot install on Windows. I've never had this problem and haven't found anything online yet that provides a solution. What now?
Click to expand...
Click to collapse
Restore backup or flash some other Rom,
Sent from my GT-P3100 using Tapatalk
Yes, that is what I'd like to do. But how would you suggest doing that since I cannot get into recovery and am stuck in a boot loop?
Whew... I let the tablet sit for a couple of days while I worked on other things. I decided to try, just for the heck of it, to put it into recovery mode (Power+Vol Down) and it worked. I already had a new ROM ready to install on my microSD and did it. It looks like CM10 is going to be my ROM now. It installed and is running! What a relief!
It must not have been shutting down all the way before. Even though I saw the Samsung Galaxy Tab logo, there must have been something it didn't like at the time. No idea besides that.
When I attempt to go to Cofface's Baidu page to download his 5.1 TWRP version, I get a message saying the content is no longer available. Specifically, Google Translate shows "Lol, you visit the page does not exist." Does anyone happen to have a copy they're willing to share? Or is there some issue with the 5.1 version that would suggest that I shouldn't use it? If I shouldn't ask for some reason, I apologize. Otherwise, thanks in advance.
https://yadi.sk/d/5YI63uiAhz5UD/Recovery/TWRP
Thanks very much for the link! I think I must have some deeper problems, as every time I flash this recovery (and another version I found in my old downloads), I just get stuck in a boot loop. I was able to use TWRP when I was on B015, but for some reason, I can't get it to work on B106. I'm using:
fastboot flash recovery c:\android\twrp_cn.img
However, like I said I just get stuck in a boot loop. When I flash the stock recovery, everything starts working again.
wpennhokie said:
Thanks very much for the link! I think I must have some deeper problems, as every time I flash this recovery (and another version I found in my old downloads), I just get stuck in a boot loop. I was able to use TWRP when I was on B015, but for some reason, I can't get it to work on B106. I'm using:
fastboot flash recovery c:\android\twrp_cn.img
However, like I said I just get stuck in a boot loop. When I flash the stock recovery, everything starts working again.
Click to expand...
Click to collapse
Did you unlock your bootloader?
Yes, it is. I was able to run TWRP when I was on B015. The phone is rooted, so I've just been using Titanium Backup to back everything up before I wipe the phone, but it would be nice to take a Nandroid backup instead of having to reinstall from TB.
wpennhokie said:
Yes, it is. I was able to run TWRP when I was on B015. The phone is rooted, so I've just been using Titanium Backup to back everything up before I wipe the phone, but it would be nice to take a Nandroid backup instead of having to reinstall from TB.
Click to expand...
Click to collapse
Thats the same problem I have. I used the other twrp recovery https://mega.nz/#!l5kmUByA!41uExNuasZRgLBML9TTSp8myX-_F6UgQZuE2F2BRZUE
This one worked with out boot loops for me. you can give it a shot.
Thanks for the link! I can now get into TWRP. However (sadly), after I leave TWRP, it reboots directly back to TWRP. I've tried rebooting from TWRP into the system and shutting down, but each time, it just goes straight back to TWRP. I was able to boot into fastboot, so I reflashed the boot.img file, but it still goes straight to TWRP. I actually have had this issue before, and I wasn't ever able to figure it out. Any help would be greatly appreciated, as usual.
wpennhokie said:
Thanks for the link! I can now get into TWRP. However (sadly), after I leave TWRP, it reboots directly back to TWRP. I've tried rebooting from TWRP into the system and shutting down, but each time, it just goes straight back to TWRP. I was able to boot into fastboot, so I reflashed the boot.img file, but it still goes straight to TWRP. I actually have had this issue before, and I wasn't ever able to figure it out. Any help would be greatly appreciated, as usual.
Click to expand...
Click to collapse
I had that exact same problem twice on Kangvip B015. When I would restart it would all of a sudden automatically boot into TWRP every time and never boot into the OS. When that happens, in TWRP make a backup, then Fastboot flash the stock ROM (system, boot, cust, recovery, user data etc) then when it boots do a factory data reset, then reroot, flash TWRP and restore from the backup you made. The OS will boot from your backup. I dunno why this happens, maybe it has something to do with with Kernel.
I've tried it a couple of times now, and I'm still not getting it to boot past TWRP once I flash the recovery. It was able to take a backup with TWRP, but when I restored it, I still had to restore the stock recovery before I could boot into the system. At worst, at this point, I can always flash TWRP, take a backup, flash the stock recovery, and then have my system back. It's a few extra steps, but I think I'll do this until I find a custom ROM that I like. I greatly appreciate the help so far.
wpennhokie said:
Thanks for the link! I can now get into TWRP. However (sadly), after I leave TWRP, it reboots directly back to TWRP. I've tried rebooting from TWRP into the system and shutting down, but each time, it just goes straight back to TWRP. I was able to boot into fastboot, so I reflashed the boot.img file, but it still goes straight to TWRP. I actually have had this issue before, and I wasn't ever able to figure it out. Any help would be greatly appreciated, as usual.
Click to expand...
Click to collapse
Reflash the stock b106 recovery and wipe user data and cache, Then reflash twrp recovery and restore your backup. It should boot then.
To follow up, I tried using the updated version of TWRP that you (mtyler7807) posted in the development thread and following the instructions above. I can flash the recovery, boot into it, and take a backup. After that, as long as I boot into the system, I'm fine. However, once I boot into recovery for the first time after that initial backup, it just reboots into TWRP every time. So, right now, I took a backup a day or so ago, and I've just avoided going back in to TWRP again. I have another X2 on the way (a 32GB version), so I'm hoping that I'll have better luck with that one.
wpennhokie said:
To follow up, I tried using the updated version of TWRP that you (mtyler7807) posted in the development thread and following the instructions above. I can flash the recovery, boot into it, and take a backup. After that, as long as I boot into the system, I'm fine. However, once I boot into recovery for the first time after that initial backup, it just reboots into TWRP every time. So, right now, I took a backup a day or so ago, and I've just avoided going back in to TWRP again. I have another X2 on the way (a 32GB version), so I'm hoping that I'll have better luck with that one.
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Click to collapse
By any chance, did you delete anything from the Cust Folder at any point?
ajsmsg78 said:
By any chance, did you delete anything from the Cust Folder at any point?
Click to expand...
Click to collapse
As far as I know, I have not. I did do a complete wipe of everything (except the SD card) at one point using TWRP, but I've always restored the system using the stock system.img file. Right now, the Cust folder is showing five folders, with several more folders/files underneath. Is there a particular file I should be checking for?
wpennhokie said:
As far as I know, I have not. I did do a complete wipe of everything (except the SD card) at one point using TWRP, but I've always restored the system using the stock system.img file. Right now, the Cust folder is showing five folders, with several more folders/files underneath. Is there a particular file I should be checking for?
Click to expand...
Click to collapse
I don't think so. It's weird how some of us have different problems than others. I've had zero issues with TWRP but lately my screen has been going crazy. My touches don't work, things jump it's like my digitizer is messed up but when I restart everything is fine again. So I reloaded everything and the problem went away. I guess I debloated too much last time.
Last night, I downloaded the 6.0 update, copied the .zip to external storage, rebooted to CWM, and flashed it (successfully), then flashed SuperSU over it, cleared dalvik, and rebooted.
Since then, I'm stuck with the Nvidia boot screen. I can use Power/Vol Up to get in to fastboot, but when I try to boot back into recovery, the screen goes black, but goes back to the Nvidia boot screen instead of booting to recovery, even after flashing a recovery image to it via fastboot.
I can probably fix this with enough time and tinkering, but I just came back from a two week from vacation at work and don't have the time to futz around with this. Posting here in case someone already has an idea on what the problem is/how to fix this.
Update: I was able to get back into recovery using TWRP referenced in http://forum.xda-developers.com/shield-tablet/general/unofficial-update-original-shield-t3281541. Direct link is https://www.androidfilehost.com/?fid=24345424848487676.
I'm thinking this is a kernel issue.
This was a kernel issue. Flashing a older OTA (http://ota.nvidia.com/ota/data/post...wf-full_ota-36442_589.1541.20150826095201.zip) and booting normally, then rebooting to bootloader and fastbooting the CWM image worked. I'm restoring from a backup I took before flashing the update last night, then flashing TWRP, backing up, and trying this all over again.
Thank you, I was having the same issue :good:
Have the exact same issue, except that now, for some reason, I can't even get the device to turn on!