[Q] Help Can't get into recovery - Nexus S Q&A, Help & Troubleshooting

I tried flashing an ICS ROM on this I9020 via CWM and the phone would just keep tying to boot over and over...
I tried flashing a GB ROM (GRH78) through ODIN and now I'm unable to get into recovery.
My goal is get this thing back to stock rom with no root so it can receive OTA updates. Any odin files I can use to get me going? I haven't had any luck finding anything useful. Just fastboot references which I'm unfamiliar with.
Thanks to anyone that can help

Correct me if i am wrong, but there aren't any official odin tar files for Nexus devices since they get updates from Google.
I think you have to flash the stock rom using fastboot method, here are the stock roms: http://forum.xda-developers.com/showthread.php?t=1063664

Thanks for the response...I was finally able to use fastboot to get CWM installed (Phew). Now I want to restore this phone to factory (stock) settings so it can get OTA updates. How do I do that? I've been searching but all I see is GB ASOP.

Solved
Well I finally got it working. The issue I was experiencing was that I needed to root the device to be able to flash a stock ROM. Once I was able to root the i9020a, I was able to get it back to stock. I even had a Nexus 4G rom on the phone at one point. I had a hard time, but once I read about 37 different posts I was able to piece it together. So if anyone is having trouble getting back to stock, I'd recommend rooting the phone and using CWM to flash a stock ROM. Hope that helps anyone else that may have been struggling the way I was.

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[Q][GT-i9020a] How do I reflash back to factory?

Hi, new Android user here.
I was trying to root my Nexus S phone yesterday and I'm having problems. There is a lot of rooting guides out there and I used one from xda and also one from unlockr.com. Managed to root the phone ok (I think), but everytime I flash a custom ROM, the phone won't start at all, it just sits at the boot up screen and repeats itself.
So I'm thinking, I should just start over again. So I flash the stock ROM from xda back to 2.3.1. Everything seems ok, the phone starts up... but it's always stuck on airplane mode and the phone itself doesn't even show stuff like IMEI, mac address anymore.
So now I figure I've probably messed the phone up enough and need help lol. How do I go about reflashing the stock ROM and getting my Nexus back to out of the box condition (Stock ROM and no custom bootloader)?? Any guides or step by step instructions would be very helpful.
Thanks
Did you wipe before flashing roms?
Sent from my Nexus S c",)
Maybe flashing the KB2 modem would help that but the 9020a came stock with 2.3.3 and not 2.3.1 so that could be it...I'm not sure but that software wasn't meant at all for ours so it could be part of the problem. But if I was you I'd take a look at this thread wich has all the stock software for your phone. Make sure you wipe everything in clockework and then flash the stock rom. http://forum.xda-developers.com/showpost.php?p=13123996&postcount=39
dsixda uploaded the stock backup and the stock recovery, you can read more at that link, good luck hope it helps
You can download the full stock ROM from the link below:
http://goo.gl/8P8vl
Move the zip file to sdcard. Boot into recovery and flash the ROM. It should get you back to stock 2.3.4 ROM, all locked.
jungbum said:
You can download the full stock ROM from the link below:
Move the zip file to sdcard. Boot into recovery and flash the ROM. It should get you back to stock 2.3.4 ROM, all locked.
Click to expand...
Click to collapse
that did the trick. thanks everyone, now time to try rooting and flashing ROM again!
hrm lol now trying to update it to 2.3.4, it downloaded the update, but on reboot i get the white triangle with ! in it :\
this phone is so messed now
edit: well now everything is ok again, wiped data, flashed with CM7 and now it says 2.3.4, go figure.

Flash back to stock?

Having a play with my mz601 (uk3g) and want to go back to out of the box stock..
Then bring it back up to Tiamat 222 noting name/build.prop changes etc between stock, hammerhead, moray and so forth..
How can I wipe/format all of the data on the device and then push all the stock stuff back.
Got the retail rom from motodev site, just need to push the 4 img files via fastboot?
I am in a similar position and need some advice please....
I rooted my European (UK) WiFi Xoom the other day and flashed it with the Tiamat Hammerhead build. Alas it did not take and is continually in a bootloop and as such would like to simply return it to stock. I have downloaded the official image from Motodev but when installing from ClockWork Mod Recovery, it aborts the installation process.
Can someone please tell me where I am going wrong or provide me with the idiot's guide to returning the Xoom back to stock?
Many Thanks,
Alty
im in the same situation pls someone help how can flash to stock fw
cnwr said:
im in the same situation pls someone help how can flash to stock fw
Click to expand...
Click to collapse
Did some searching, found the following thread and followed the instructions - can confirm my Xoom is now back to stock Will deffo consider rooting again, just gonna leave it for a bit methinks....
The thread you need:
http://forum.xda-developers.com/showthread.php?t=1079504
I basically grabbed the stock rom and pushed the img files to the device using fastboot, let the device update as far as it wanted too, I then rooted it, stuck CWM on it and then dropped 222 straight on.
I have kept a copy of all the files this time as well just incase :lol:

How to remove ClockWorkMod Recovery?

Several months ago I purchased a NS4G on Craigslist. I wanted to use it as an iPod touch without the data. It came rooted with SuperUser. The phone keeps prompting me to OTA to 2.3.7 (it's currently on 2.3.5) I used Gingerbreak to unroot and it worked, SuperUser is now gone. However, ClockWorkMod Recovery is still present and 2.3.7 won't install. The phone reboots, goes to about 1/3 of the progress bar, and then fails. I just want to get the phone on completely stock 2.3.7, in preparation for the coming 4.0 OTA.
Hopefully the solution doesn't involve flashing a custom ROM, I've never done that before. Thanks!!
No need to get it OTA, you can just flash the stock ICS ROM found in the stickies of the development forum of this phone. Of course follow instructions closely.
Sent from my Nexus S using xda premium
But I'm selling it and need it to be completely 100% original and stock, which is what the buyer requested..
You want to use fastboot to flash a stock recovery. Peter Alfonso has them all listed on his site.
Thanks. I'm really not familiar with fastboot, and is there any way you could give me a link with instructions or the files I need? My build number is GRJ90.
And if there's anyway for me to avoid a rooted stock ROM, that'd be great. Just pure stock 2.3.7.
The stock image on Rom manager has the recovery bootloader included.
Flash a stock gb rom from cwm. You will find a list of them in either general or android development threads, not sure which. Completely stock, unrooted and as far as I remember the stock recovery is included. If not then the person will never know anyway as if someone doesn't want any non stock features then they won't know how to get to recovery anyway.
Actually I don't think they have stock recovery. Just flash the stock rom and then fastboot flash the stock recovery like was mentioned above. All you need to type is:
Fastboot flash recovery xxxxx.img
Xxxxx.img is the name of the image file you download.
Don't cheat the buyer...Tell him exactly what he's buying...And that you returned thedevice back to stock again.It's just not worth it.

[Q] Upgrading to new OTA update with rooted phone and TWRP

Hello everyone. I'm somewhat of a noob still and I would appreciate any help you could give me.
I'm trying to install the new OTA update that came out today but I'm having issues. I have a rooted One S with TWRP recovery, and everytime I try to install the OTA update it brings me to the TWRP recovery screen. I'm pretty sure this is because I don't have stock recovery. I've even tried "unrooting" with Voodoo Over the Air root, but it keeps bringing me to the TWRP recovery screen.
I rooted my phone with the All-In-One root kit, and I really don't want to lose everything on my device (or have the pain in the butt of restoring everything). Is there another way? Or is there an easy way to reinstall the stock recovery with the AIO kit? I know the AIO kit has the option to install other recoveries, but I'm not sure where to get the stock one.
Please help! I really want to upgrade.
Thanks so much for your help!
fsustrength said:
Hello everyone. I'm somewhat of a noob still and I would appreciate any help you could give me.
I'm trying to install the new OTA update that came out today but I'm having issues. I have a rooted One S with TWRP recovery, and everytime I try to install the OTA update it brings me to the TWRP recovery screen. I'm pretty sure this is because I don't have stock recovery. I've even tried "unrooting" with Voodoo Over the Air root, but it keeps bringing me to the TWRP recovery screen.
I rooted my phone with the All-In-One root kit, and I really don't want to lose everything on my device (or have the pain in the butt of restoring everything). Is there another way? Or is there an easy way to reinstall the stock recovery with the AIO kit? I know the AIO kit has the option to install other recoveries, but I'm not sure where to get the stock one.
Please help! I really want to upgrade.
Thanks so much for your help!
Click to expand...
Click to collapse
I personally had to flash stock recovery and you can get it from here: http://www.modaco.com/topic/353006-...ch-recovery-for-the-htc-one-s-stock-download/
Use second "Download" link, which is ville_recovery_signed.img
Thank you so much! Trying it now.
Sent from my HTC VLE_U using xda app-developers app
Charkatak said:
I personally had to flash stock recovery and you can get it from here: http://www.modaco.com/topic/353006-...ch-recovery-for-the-htc-one-s-stock-download/
Use second "Download" link, which is ville_recovery_signed.img
Click to expand...
Click to collapse
Check this out
http://forum.xda-developers.com/showthread.php?t=1907564
Scroll half way down and you get a list of different steps you may have to do in order to get it done.
Most include installing "OTA RootKeeper" from GooglePlay
Steps vary from how your phone is setup. Stuff like do you have Root, Custom or stock Mod, or CWM or stock recovery. Check it out. I'm trying it now.
(adding more to it so I don't double post.)
I tried the method with Root Keeper, it doesn't seem to work for me. It also seems as though a few others are having the same issue. Someone recommended use an RUU to go completely stock, therein losing all your data unless you back all that stuff up.
I'm going to avoid an RUU at all costs, I hate having to reset up my phone. Plus I just got a XOOM I need to work more on and get setup so I don't want to put more time on the phone than I have to as to take away time from my XOOM.
Let me know if you run into any success! PM if you need to.
Hello. Any stock recovery for Ville C2 (One S s3)? I'm looking everywhere and I cannot find. I want to update to JB with OTA

I need help getting back to stock

ok so heres the issue. i went to put cyanogenmod on my buddys phone and i didnt even think to check what stock version i was on before i went flashing away. so now my problem is that when i try to return it back to stock it fails and i cant get the stock rom to re install it keeps failing. im running phils latest recovery. is there any way to start completely over from the begining. to where i can start at kitkat and upgrade to lollipop and be on stock but rooted possibly. any help or links would be greatly appreciated! and yes ive searched xda and google and have tried left and right with installing roms and what not and the only thing i can get to flash and stick is cyanogenmod 12
Use Odin and flash the stock tar file

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