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[Q] PLEASE HELP!!! Cannot Boot Nexus S!!

Hi everyone,
I'm sorry I'm quite new to this, and I'm afraid I've gotten myself somewhat stuck with my Nexus S. Yesterday I managed to root it, install superuser, as well as clockwork mod. Today I wanted to try a new rom and after some attempts, it seems I no longer have any working roms on my phone. After much searching with no luck, I turn to you guys for your expertise.
So I am able to see fast boot upon pressing the volume up and power buttons, and am certainly able to choose recovery and get into clockwork mod. Within clockwork mod I can mount USB storage, so I can transfer roms to the internal SD card. I've tried 3 or 4 roms, some say they install correctly, others not, and after trying to boot after any installation I simply get stuck at the google screen with the lock image at the bottom. The only things I have "deleted" is wiped the data and cache. I have no idea, but I think I may have erased the bootloader image or something else that I should not have that is required.
I have a i9020a model (non-4g model I believe), can you pleeeeeeeeeeeeeaaaassee help me!! I just want to get back to gingerbread 2.3.6, and my phone back up and running the way it was. I've become quite nervous after some searching with some saying a resistor mod is needed on the hardware!!

Your okay cause you can get into fastboot and recovery so don't worry. Maybe the rom you downloaded is not for your phone. Did you make a nandroid backup before flashing the rom? If yes then go into backup and restore from clockwork recovery to go back to stock.
Sent from my A500 using Tapatalk

If you can get to recovery, just flash the stock image FOR YOUR PHONE. Then you can go through and reroot..don't worry, you'll get the hang of it.
Sent from my Nexus S using Tapatalk

So my phone is not "bricked" as they say?? I'm not in big trouble?
I did not make a nandroid backup What kind of image am I looking for and how do I install it on the phone? I know my phone is of the variant i9020a, but how am unsure of how much more specific I should be looking for.
Looking at the following post: http://forum.xda-developers.com/showthread.php?t=1063664.
Should I try installing the Android 2.3.6/GRK39F/UCKF1 Radio/KA3 Bootloader option?

Choose the latest 9020a version of the FULL ROM, which is what you have already have eyes on.

I've tried installing the file I mentioned above, but I get a status 7 error when trying to install, and the install is aborted.
Could I get some more assistance please? Can anyone point me to a correct, full rom? Or perhaps I'm installing it incorrectly, could someone be so kind to outline the correct steps to a proper install?
Edit: I think the above mentioned file is for a GSM model, I'm sure I have the CDMA version.
Also, somewhat good news. I managed to install the oxygen rom, but for the 4g version and installed fine with no errors, but I have no service. What does this indicate, as I still want to restore back to a factory version (non-4g) of gingerbread 2.3.6.

What CWM version do you have? Is it 3.0.0.0?
Also, if you have no service, it's likely that you downloaded a ROM with an incorrect radio.
Edit:
If you have CWM 3.0.0.0, make sure to download the latest version, found in this thread: http://forum.xda-developers.com/showthread.php?t=988686 (use 5023-cyan.img). You flash this the same way you did CWM previously, though in the terminal make sure you type out the 5023-cyan.img file name.
Next, download the stock ROM from this thread: http://forum.xda-developers.com/showthread.php?t=1063664. Simply look for your phone version, and you'll find the correct software variant.
Maybe you've fixed your phone already; if not, I hope this helps!
I wish you the best of luck. Oh, and through problems like these, you come to learn a lot more about your phone. That's what I've found, at least.

At the thread you mentioned above there is a version with a different radio, you might want to give that one a try.
You also said that you only wiped data and cache, so maybe you should do a full wipe before. Not doing that can sometimes lead to problems.
Sent from my Nexus S using XDA App

To be brief, the phone is up and running as brand new! Thank you so very much everyone. It seems the error was with CWM, as I was able to install and boot a 4g oxygen rom on my phone, I went into rom manager, and at the bottom of the list was an option to upgrade to 5.x. Installed the CWM update, wiped everything and was able to install the factory rom, no issues, and everything works just as I remember
I have most certainly learned more about my phone, and I am going to look at it as a rather stressful learning experience rather than a mistake on my part.
But a sincere thanks to everyone once again, I posted this at like 4am here and had a response within a few minutes, I was pulling my hair out haha!

Flashing to stock rom will help you out. You can get stock roms from Internet simply by searching in Google...
Sent from my Nexus S using XDA App

[Q] Help Soft bricked phone

I have a Nexus s 4g with TWRP v1.1.1 I can still go into recovery mode and enable USB toggle. I believe I flashed a bad ROM and now the phone gets stuck on the "google lockpad" screen. Is there anything i can do to make my phone work again? Please be gentle. I know, Im a noob.

Download a full ROM (official OTA sticky in general) and copy it to your SDCard. Now go into twrp (i havn't used it so maybe the options are slightly different) and do a data/factory reset from recovery as well as wipe /system and /boot if possible. Now just flash the new ROM and you should be fine

Thank you so much!!! Trying now!!

Is there a specific ROM that I should download?

Ok. That didnt work. Any other tips that I can try before I stomp this thing out? My phone still goes to the "google Padlock" Screen and stays there. Could it possibly be the kernel?

Try using CWM recovery and flash full OTA for NS4G.

Thank you so much suksit!!!!! I also went to wiki.cyanogenmod.com This was a life saver!!!!! This gude will help anyone who has the problem that I did!!!

[Q] NexusS (i9020T) hard bricked, at which step did I go wrong?

Hi everyone, I had a problem with my previous nexus s (I have since gotten a working replacement) and I was wondering where exactly I messed up so in the future I can avoid this
Here is what I did on my previous phone:
1. I flashed ics onto my device from the ota update package from androidcentral, it was 4.0.3. (This worked great and I had it on my phone for 2-3 months before I tried the next steps.)
2. I rooted my device successfully using the guide at nexusshacks.
3. I also flashed TWRP recovery (fastboot) and superuser using the above guide/links
4. When I would turn off my phone it would boot to a screen with a red triangle and an opened android bot. So what I would have to do is flash twrp recovery everytime I turned the phone on just to get it to work.
5. What I wanted to do was keep the stock rom but still have twrp recovery without it making me reflash it on every boot. So I clicked install and tried to flash the stock rom (update package from the link in step 1) with twrp recovery. It then turned off my phone and hard bricked it. I couldn't turn it on anymore and a new battery didn't fix it.
I was able to get a replacement now and I was just wondering at which step did I go wrong? I THINK that I should have wiped my cache before I tried to reflash the stock rom but maybe I'm way off base here. This is why I posted a question here so hopefully some of you guys can help.
I did think about posting in another thread, but I didn't wanna threadjack or anything... and his problem also seemed a bit different then mine. Also, sorry about not being able to provide the specific links it won't let me post them until I've posted 8 times.

I don't know for sure but team win recovery has been reported to corrupt the device's efs directory. I've even had problems myself using clockwork recovery. I've moved on to razor recovery and haven't looked back.
This is the most flash-friendly phone I've ever owned, and razor recovery rivals amon ra (which was awesome on my g1 and evo). I really think it may have just been the recovery you were using... Somebody correct me if i'm wrong.
Sent from my Nexus S 4G using Tapatalk

I had once corrupted one of the partition. I fixed to by flashing stock recovery and stock rom.
Use adam outler's unbrickable mod tool. It can be found in android development section.
Sent from my Nexus S using XDA

Thanks for the replies.
That's interesting about twrp... I didn't know that. Truth be told, the only reason I went for it over other ones like clockwork mod was because the UI looked pretty nice and easy to use. Also the guide I followed at nexusshacks used that, so I wanted to stay consistent with it.
jishnu7, it's a little late for that now however as I actually have already received a working replacement from my carrier, but in the future if something ever does go wrong (hopefully not) I will definitely check that out.
The main thing I'm wondering is if it messed up because I tried to reflash the stock rom essentially over top itself (was hoping that by doing that, it would stop making me reflash twrp on every reboot) or if it was because I didn't wipe the cache before the flash.
Also, what I really wanted to do with my phone was to keep the stock rom but be able to overclock my cpu/gpu. I was hoping I could set different overclocks for different things (I've heard of kernels where you can downclock your phone when the screens off and have it overclocked slightly while you're using it, that would be something I'd like to have). I figured to install those kernels I would have to root my phone, replace stock recovery and install superuser so that's why I tried to do that. Once again, I'm pretty new to all this stuff for my phone.

Sorry to bump this thread again, but I would really like to know how I could avoid what happened to me for the future. I think it's because I flashed the stock 4.0.3 rom over itself (was hoping that by doing that twrp recovery would stay on the phone after reboot).
What I would like to do is install something like CM9 or AOKP and use the Matr1x kernel so I could undervolt or overclock my phone.

I seriously dont get how u hard bricked your phone...
the reason you are thinking is you reflashed stock rom without wiping cache, as per my experiece its not at all the reason
now, whats my experience??
...I have some fault with my nexus device and I'm working on it,,and I did everything I could do...one of the thing out of those things was reflashing stock rom without wiping,and i did it quite a several times...my device never hard bricked,,however it was soft bricked for many times,,and i recovered from it
so reflasing a stock rom over stock rom, over ICS, over some themed custom rom,will not hard brick your device, you must be missing something none of your steps sounds suspecious
P.S:- pulling out battey while flashing something like this sounds suspecious, never tried though

I'm not sure what happened either to be quite honest with you. Since giving it another shot now with my new fresh phone I have had great success!
I did everything I wanted to do all in one go. Rooted it, install CWM touch, install AOKP (went with milestone 4 cuz I heard newest build 29 has some bugs) + gapps and installed matr1x kernel 18.5 bfs.
The only thing I did different from last time was installing CWM touch (instead of twrp) and flashed aokp this time (instead of reflashing 4.0.3 over itself).

I would just avoid step 2 at all cost.
The nexus s hacks dude is a tool.

(Q) Rogers Infuse 4G - successful rooting - lag fix fiasco

Good morning,
While not a noob to rooting or flashing (currently active on Galaxy tab 2 boards) I appear to have made a noob mistake, and even though I searched and read stickies, etc - still made the mistake.
I rooted the Rogers Infuse 4G using this thread http://forum.xda-developers.com/showthread.php?t=1197248 and it worked without issue.
Decided to try the enable lag fix option - deleted the voodoo file on the sd card, and rebooted the phone. Phone got stuck on SAMSUNG screen (unfortunately - did not notice that the volume was off on the phone) and I did not hear the "voice" telling me what was going on - so rebooted the phone by holding the power button until it rebooted.
Spent a couple of hours after that re-reading, and since I was able to get into download mode - was able to reflash stock package through odin. When the phone did finally reboot (thankfully, as this is my daughter's daily driver) I noticed there was already a voodoo file on the sd card, with another file inside named "logs" Just in case, I deleted that file, and added a new one called "disable-lagfix" as per the original instructions.
Just to be sure - went back and ran the rooting procedure, and can confirm that we have root.
From there, I decided to flash the 100% working CWM Recovery file through Rom Manager - found the details on this thread http://forum.xda-developers.com/showthread.php?t=1107881 and can confirm that after rebooting into recovery - the phone has CWM Version 2.5.1.2
The phone is currently fully functional, no issues with network or wifi, playstore, etc - but would like to know if anyone can confirm that we are good to go should we decide to upgrade to a custom rom. I've done so much reading - that the recovery version confuses me ( red or blue, etc). I realize that some of the threads are back from early to mid 2011 - so not sure if they are still completely valid - so am asking before proceeding.
Phone settings are the following:
Kernal 2.6.35.7-I997RUXKG3-CL366622
Build GB.UXKG3
Baseband I997RUXKG3
Firmware 2.3.3
CWM 2.5.1.2
Currently have the voodoo/disable-lagfix file on the sd card
If anyone has gotten this far into the thread - and can offer up some feedback or recommendations - it would be appreciated
Thanks in advance,
Bill

I usually don't trust Rom manager, but if you are able to boot to recovery then I would say you are good.
If you want the red one (don't remember the version) you could flash a custom kernel with sgs kernel flasher (available on play store).
Infusion should work for you

andros11 said:
I usually don't trust Rom manager, but if you are able to boot to recovery then I would say you are good.
If you want the red one (don't remember the version) you could flash a custom kernel with sgs kernel flasher (available on play store).
Infusion should work for you
Click to expand...
Click to collapse
Thanks for the reply - appreciate your time
Guess it's time to turn that volume up, delete the voodoo folder, and cross my fingers....
Just to confirm - do I delete the voodoo folder itself, or the disable-lagfix folder inside the voodoo folder only ?
Again, thanks
:good:

What were you planning on flashing?
You can probably leave it there for now, and after you have flashed then you can dispose of the folder.
Sent from my Transformer using xda app-developers app

andros11 said:
What were you planning on flashing?
You can probably leave it there for now, and after you have flashed then you can dispose of the folder.
Sent from my Transformer using xda app-developers app
Click to expand...
Click to collapse
First off andros11 - thank you so much for your time in replying to my issue.
My daughter has been looking over the development site - and,
as it stands right now, she has her mind set on the Dark Night Rom by VortexJunior.
Here is the link, if it helps http://forum.xda-developers.com/showthread.php?t=1662280
The install instructions, while relatively simple - and similar to what I am used to doing - but no mention of lagfix
Installation: From Gingerbread
1. Download Zip
2. Wipe Data/Factory Reset
3. Wipe Cache Partition
4. Flash
5. Reboot into recovery(Advanced>Reboot recovery)
6. Flash again
7.BAMM!
Thanks again for your time and replies,
Regards

Once on ICS I don't think you have to mind about lag-fix..
Also, I suggest you just reboot instead of rebooting into recovery. That often causes recovery bootloops.
When you reboot, the phone will hang at the kernel splash screen (this is normal). Just take out the battery, place it back in and boot into recovert with 3-finger combo (vol +, vol - and power, and let go when samsung logo pops up)
My personal suggestion is that you move on to JB. It performs much better, and mostly all development is now there.

Perfect - thanks
Am running CM 10.1 on my tablet, and love it
Will have my daughter research JB ROMs instead.....
Happy Holidays to you and your family
Regards,
sent from my GT-P3113 using Tapatalk 2

Lag fix??
I am confused.. what exactly is the lagg fix? My GF has a JB (one of phablet ROMS) installed and all the JB ROMS I have installed on this phone (and I think all ROMS besides JB) have had lagg problems. So I would really like to know how to fix this phone.

About that lagfix...
If I remember correctly voodoo lag fix was originally designed for the Galaxy S to change the file system it ran at to something that made the phone feel more responsive and access recourses quicker. It was ported to other ROMs so if a ROM includes it then you're ok to use it but I don't think you can just apply it to any JB ROM. Plus after using a GB ROM with this lagfix for some time, any 4.0 and above ROM I have used after that has been a LOT quicker in comparison. So I would probably look into the way you JB roms were installed maybe do a data wipe/factory wipe in CWM and reinstall the ROM from the beginning. What ROMs are you using exactly?

[Q] I can't load CWM on my SGS 4G (T-Mobile)

Hello all,
Okay, I admit that I am gonna get a lot of "use the search tool first" replies, but please hear me out. I have done my fair share of searching. Its not that I haven't found anything, its just the things I found are useless for this SGS 4G. I really wanted to install Cyanogen Mo on the SGS (its not actually mine, a friend asked me to do it since he saw my old SGS GT-I9000 running CM).
I am gonna try and give a detailed report . The phone was originally from T-Mobile and now unlocked permanently. Its running firmware version 2.3.3 that I installed just recently. I found out that I can't install CWM on the stock kernel or bootloader or whatever and I needed a new of the thing. So I went on searching and searching....found a handful of help but none work. Every method breaks at some point and I go to the "firmware update failed" thing on the phone, which I then install 2.3.3 again using ODIN and try another method. I have tried a lot of things. Hemidall, ODIN, SuperOneClick, and a lot of gibbrish-sounding methods. None work. I am now running 2.3.3. Here are some infos:
ABOUT PHONE:
Model Number: SGH-T959V
Firmware Version: 2.3.3
Baseband Version: T959VUVKF1
Kernel Version: 2.6.35.7-T959VUVKF1-CL270364
Build Number: GINGERBREAD.VUVKF1
The files I used to flash to 2.3.3 using ODIN v1.85:
PIT: Hawk_Sidekick_VibrantPlus_831.pit
PDA: CODE_T959VUVKF1_CL270364_REV00_user_low_noship.tar.md5
PHONE: T959VUVKF1-Phone-CL1020302.tar.md5
CSC: SGH-T959V-CSC-TMB-VIBRANTP.tar.md5
I hope the above infos are enough. So, can anyone help me and point me to the right direction on how to install CWM and then install CM10 or 9 on my friends SGS 4G?
Thanks,
Tamrat

Hmmm, an interesting set of binaries, ones that don't ring a bell with me. I'm used to seeing T959VUVKJ6.
Where did you find those? Half curiosity, half trying to understand the problem, half since much of the "old" images for the phones got lost when Multiupload and what have you were shut down.
For the SGS4G, the kernel, root file system, and recovery file system are all in "boot.img" -- flash one, you flash them all. They can be flashed through Odin (assuming you really like Windows), heimdall (multi-platform), through recovery, or from a root command line (for the adventurous only).
I would say the most robust way to get where you need to be would be to use Lumin's guide to make sure you've got a viable Gingerbread set-up going, then flash something reliable to get you to MTD, like TeamAcid's CM9.
From there, you should know that some of the KK ROMs use slightly different MTD partitioning and aren't a "just flash this ROM and keep your data" kind of thing.

jeffsf said:
Hmmm, an interesting set of binaries, ones that don't ring a bell with me. I'm used to seeing T959VUVKJ6.
Where did you find those? Half curiosity, half trying to understand the problem, half since much of the "old" images for the phones got lost when Multiupload and what have you were shut down.
Click to expand...
Click to collapse
A long day Googling... and then a site turned up. One thing I forgot to mention was, before I installed this firmware, I had to use the "remove battery->plug usb->press the button combos->insert the battery" to enter download mode, but now I juts have to press vol down and power button.
Thanks for the reply,

Failure again
UPDATE:::
I tried to update to 2.3.6 as the guide suggests and I also wanted a clean stock OS in case the old one was not. But once again updating to 2.3.6 has been a pain. Kies Mini recognizes the phone but it doesn't recognize the firmware running on the phone. And also, firmware update is impossible since the button is greyed out.
I googled again and found the official 2.3.6 firmware for the phone (file name: T959VUVKJ6-REV00-home-low-CL694130.tar.md5) and tried flashing it using ODIN; absolutely no luck. It fails at the stage which says Slb.bin. Restarting the phone after that gives a "firmware upgrade failure" display. Only way to wake up the phone is to flash the previous OS back.
I am really confused here.
*********************EDIT***************
Some how, after like 10 retires and fiddling with ODIN, it finally flashed 2.3.6 to the SGS 4G. Still, fingers crossed.
*********************EDIT 2***************
Finally, its all working fine now. Thank you @jeffsf, thank you very much.

F*****************K
forgot an important step and now my IEMI number is gone........
do i throw the phone now, or is there any other way???

Don't throw your phone away! How do you know that you have "no IMEI" on your phone? We'll go from there.

Hopefully, you've backed up your data before starting to play around with ROMS. If so just load your backed up efs folder onto your storage & use Root Explorer to drop it over your existing one , it will overwrite your imei file & you will be good as new.
========================================================================================
I'm also in need of help, I have been running SlimSaber since last weekend, was wanting to try out Beanstalk. First full wipe, install & reboot wipe again, reinstall etc as per Dao's OP, but after the first install, it won't boot past the kernel splash. Tried again with same result. Decided to click it back to stock & start over, using Gremlin Remover (odin). Then saw that others were having similar issue so I tried to load in build from April1st.
But now it only boots back into recovery, won't boot to the OS ( everything indicated install was complete & no errors.)
1 clicked back again & just tried to put SlimSaber back on again, but have the same problem, will only boot into recovery.
I had to first load CM9 to get CWM 6.xx so I could install kk using TWRP
What am I not doing correctly? Thanks for any suggestions.

Flash kernel
Reboot recovery
Wipe all partitions
(Reboot recovery for good measure and wipe again if paranoid)
Install
Boot
If that doesn't do it, it is likely ROM or hardware.
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Posted from whatever phone booted today

Since this is running GB VUVKG4, could you recommend a kernel that would work & get me to TWRP (or CWM 5.xx+)?

Either the Team Acid CM9 or Hefe Kernel should work.
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Posted from whatever phone booted today