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[Q] Nexus S can't root after upgrading to 2.3.4

I recently upgraded my Nexus S from 2.3.3 to 2.3.4 but I lost my root. When I tried to root it again I failed.
Fastboot doesn't recognize the phone.
Drivers etc look OK.
The About phone info are:
Model number : Nexus S
Android Version : 2.3.4
Baseband version : I9020XXKD1
Kernel version : 2.6.35.7-ge382d80 [email protected]#1
Build number : GRJ22
The fastboot screen info are:
FASTBOOT MODE
PRODUCT NAME - HERRING
HW VERSION - REV 11
BOOTLOADER VERSION -I9020XXKA3
BASEBAND VERSION - I9020XXD1
CARRIER INFO - EUR
SERIAL NUMBER - ........
LOCK STATE - UNLOCKED
Any ideas what I an do. My phone works perfectly well but I need to root it
Thank you

SOLVED
petrosl said:
I recently upgraded my Nexus S from 2.3.3 to 2.3.4 but I lost my root. When I tried to root it again I failed.
Fastboot doesn't recognize the phone.
Drivers etc look OK.
The About phone info are:
Model number : Nexus S
Android Version : 2.3.4
Baseband version : I9020XXKD1
Kernel version : 2.6.35.7-ge382d80 [email protected]#1
Build number : GRJ22
The fastboot screen info are:
FASTBOOT MODE
PRODUCT NAME - HERRING
HW VERSION - REV 11
BOOTLOADER VERSION -I9020XXKA3
BASEBAND VERSION - I9020XXD1
CARRIER INFO - EUR
SERIAL NUMBER - ........
LOCK STATE - UNLOCKED
Any ideas what I an do. My phone works perfectly well but I need to root it
Thank you
Click to expand...
Click to collapse
In an another computer reinstalled a new android SDK. New drivers were installed and everything went OK.

[Q] How to restore baseband-bootloader I9023 at fastboot mode, after 2.3.4 update?

Hello,
i have a question about upgrade 2.3.4 to i9023 gri54 KB3 unlocked, i'm sure of the model becouse it wrote la sigla i9023 under the battery.
I have upgrade with da8206299fe6.signed-soju-ota-121341.da820629 (full rom), before upgrade i had in the fastboot mode:
Bootloader version - I9023XXKA3
Baseband version - I9023XXKB3
but now, after the upgrade i have in fastbbot mode:
Bootloader version - I9020XXKA3
Baseband version - I9020XXKD1
i have flash stock firmware 2.3.3 gri54 i9023 dowloaded from samfirmware with odin 1.82, in the info of the phone i have i9023 gri54, but in fastboot mode i have always
Bootloader version - I9020XXKA3
Baseband version - I9020XXKb3
i haven't nandroid backup of my 2.3.3 i9023 because deleted.
there are any solutions???
Thank's to all!!!

Is there a problem in the first place?
Do you experience any negative effects or are you just bothered by the wrong numbers?

I don't know if depends on this, but I have noted a deterioration in signal reception, dropped calls even with 2 bars of signal and battery life drastically decreased. Before this update, i haven't this problem.

yeah guys i have the same issue please help us my call quality is bad now

I had to recover 2.3.4 after problems rooting 2.3.6 this morning (it got stuck on the Google-bootlogo). So I downloaded the file you mentioned, installed it with CWM and thank god it worked
Then I noticed the same thing: Baseband 9020**. A minute later I got the message for 2.3.6, updated it OTA and it's back to 9023**
Pffeeew
Anyway, I'm still interested in the European stock image for i9023.. anyone knows how to get it?

[Q] Need Help on Nexus S 9023 signal problem

Hi all,
I just got a new NS 9023.
When I got it, the system was 2.3.6(I dont remember if that is official or not)
After some simple tests, I flash the rom to MIUI. And MIUI works fine.
One day later, I want my phone go back to official rom. So I download a 2.3.3 official rom from google.(The link was found on this forum)
Then the problem came - The signal is worse then before. I can't get EDGE, but before I flash the "official rom", EDGE works well. i tried lots of baseband packages but none of them works.
Can someone tell me what should I do now?
Here are some information:
product name herring
hw version: rev 52
bootloader: i9020xxka3
baseband: i9020xxdk1
carrier info: vof
A friend of mine bought a 9023 the same time as mine.
I checked his bootloader, only one different is the carrier info, it is EUR on his phone.

check the IMEI number and see whether it's true or not ?
system -> about -> status

X1111 said:
check the IMEI number and see whether it's true or not ?
system -> about -> status
Click to expand...
Click to collapse
Baseband seen from system is I9023XXKD1, which I consider is correct.
and signal strength usually between -83 ~ -93dBm both in office and outside.
Also, I found a radio dump bin on sdcard. Is there any way I can use that file?

baileifirst said:
Hi all,
I just got a new NS 9023.
When I got it, the system was 2.3.6(I dont remember if that is official or not)
After some simple tests, I flash the rom to MIUI. And MIUI works fine.
One day later, I want my phone go back to official rom. So I download a 2.3.3 official rom from google.(The link was found on this forum)
Then the problem came - The signal is worse then before. I can't get EDGE, but before I flash the "official rom", EDGE works well. i tried lots of baseband packages but none of them works.
Can someone tell me what should I do now?
Here are some information:
product name herring
hw version: rev 52
bootloader: i9020xxka3
baseband: i9020xxdk1
carrier info: vof
A friend of mine bought a 9023 the same time as mine.
I checked his bootloader, only one different is the carrier info, it is EUR on his phone.
Click to expand...
Click to collapse
At the top you say you have an i9023 but your bootloader and radio are i9020. So which is it? Is your problem because you flashed your phone with a stock rom for a different model?
Sent from my Nexus S 4G using xda premium

Don't post your IMEI in public. I suggest you remove it. X1111 just wanted to check if your IMEI is changed, but that as nothing to do with your problem. Because if that was a problem, you couldn't get any signal at all.
As I can see, you are surely cofused which device do u have, and therefore flash wrong ROM/Radio. Did you try *#*#4636#*#*? If not try dial it, choose "Phone information", pres menu button, choose "Select radio band" and choose EUR band...
If that doesn't help you, wipe /data /cache and /system in recovery and flash correct stock rooted ROM. Hope that will help...

yes. i have a 9023 device and all 9023 around me have 9020XXKD1 information on boot screen.
Sent from my Google Nexus S using XDA App

Thanks tenhi.
I tried 4636 code and change my baseband to EUR. seems better now. but still not so good. i will keep testing.
Sent from my Google Nexus S using XDA App

[Q][Help] I just bought Nexus S, help needed to Identify model and root

Hi Friends,
I just bought my new Nexus S and started reading the root procedure in Nexus forums, it seems to be simple (i have experience with fastboot and adb commands) but I am really amazed that what model exactly I have.
I dont want to brick due to incompatible root procedure or CWM or ROMs, so I need your expert advices about the correct procedure.
Below is my phone details :
Sticker on Back of phone says :
GT-I9020T
In Fastboot Mode:
Product Name : Herring
HW Version : Rev 11
BootLoader Version : I9020XXKL1
Baseband Version : M200KRKC1
Carrier Info : KIT
Serial No : ......
Lock State - Locked
In Settings->About :
Model Number : Nexus S
Android Version : 4.0.4
Baseband Version : M200KRKC1
Kernel Version : 3.0.8-g6656123 [email protected] #1 Thu Feb 2 16:56:02
Build Number : IMM76D
Here are my confusions point wise :
1) What model exactly I have ? if its Korean Ver then Is it 100% compatible with all the NS Roms in development forums ?
2) Is it a Super Amoled version ? Is there any way to find out screen type by any application?
3) What is the correct Rooting method for this model ? I will appreciate if anyone can give a link to thread.
4) Will it utilize the same CWM recovery as Crespo/NS ?
5) Where can I find the Stock Rom for this model ?
Help from experts will be appreciated.
Thank You All
AliDSD

1) You have the i9020T. Codename is Crespo. It is the Soju variant supporting the 2100MHz 3G band rather than the 850MHz.
2) Super AMOLED, 800x480px pentile.
3) Correct rooting method is unlocking the bootloader via fastboot, flashing a custom recovery and flashing the latest superuser.zip file.
4) Yes.
5) See below.
Just about all the information you need can be found in this sticky roundup. All of the ROMs you find in the development section (not the 4G section) will work fine on your phone unless specifically stated otherwise. The 4G is very similar though notably different. The i9020T and i9023 are the same device with a different screen. The i9020A and the i9020T are the same device with different GSM radio capabilities. No idea about the korean version.

Harbb said:
1) You have the i9020T. Codename is Crespo. It is the Soju variant supporting the 2100MHz 3G band rather than the 850MHz.
2) Super AMOLED, 800x480px pentile.
3) Correct rooting method is unlocking the bootloader via fastboot, flashing a custom recovery and flashing the latest superuser.zip file.
4) Yes.
5) See below.
Just about all the information you need can be found in this sticky roundup. All of the ROMs you find in the development section (not the 4G section) will work fine on your phone unless specifically stated otherwise. The 4G is very similar though notably different. The i9020T and i9023 are the same device with a different screen. The i9020A and the i9020T are the same device with different GSM radio capabilities. No idea about the korean version.
Click to expand...
Click to collapse
Thank You very much for the detail reply, but there is still one confusion that Do I have Korean or US version ?
My baseband starts with M200K, sticker on back of phone says I9020T So what is the exact model I have either M200 or I9020T ??
Thanks in Advance.

alidsd said:
Thank You very much for the detail reply, but there is still one confusion that Do I have Korean or US version ?
My baseband starts with M200K, sticker on back of phone says I9020T So what is the exact model I have either M200 or I9020T ??
Thanks in Advance.
Click to expand...
Click to collapse
If the sticker on the back says I9020T then it's I9020T (International Version)

That's really weird...
Don't post them here, but is the IMEI on the sticker the same as the IMEI in settings->about? If not (and it doesn't start with 0049 in settings), someone has changed the sticker to look like it's an i9020T (most likely scenario).

Harbb said:
That's really weird...
Don't post them here, but is the IMEI on the sticker the same as the IMEI in settings->about? If not (and it doesn't start with 0049 in settings), someone has changed the sticker to look like it's an i9020T (most likely scenario).
Click to expand...
Click to collapse
I double checked IMEI on sticker and in settings and it is same.
So if we ignore sticker for a while and decide according to Bootloader info, then what exactly is the model number ?
And second question is that Can baseband M200K... be used in US/UK models ?

Bootloader version is common between i9020T and M200 so this doesn't tell us anything noteworthy. Unsure about baseband and which versions will accept it.

Harbb said:
Bootloader version is common between i9020T and M200 so this doesn't tell us anything noteworthy. Unsure about baseband and which versions will accept it.
Click to expand...
Click to collapse
Oh, its getting tough & tough before I start rooting and flashing new Roms.

One S rooted and S-On but can't update software

Hi everybody
I have One S with unlocked bootloader, rooted with supersu, S-On at present.
What I want to do is to update the android software, but as you'll be aware, is not possible on a "tampered" device. The software update utility says there is an update available "3.16.61.11" for my Orange UK One S (which is actually network unlocked and running on EE sim).
Is there anywhere or anyone that can help me to update the software as the phone is running terribly slow and very sluggish, and can't use the device to it's full potential.
I have read a number of the xda threads about changing/checking and matching baseband (radio) and other things but with varied successes it seems.
Any help will be greatly received!!
Android version 4.1.1
Software number: 3.16.61.10
Baseband: 1.12.50.05.05_10.28.50.08L
Build number: 3.16.61.10 CL 139042 release-keys
Thanks!!!