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[I9020T][ROM][STOCK]Nexus S Android 2.3, Build GRH55 Factory Firmware

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Please read this post in its entirety before downloading and flashing.

THIS IS FOR I9020T ONLY! IF YOU DECIDE TO GET BRAVE AND TRY THIS ON AN I9020A, I9023 OR D720, MAY THE FORCE BE WITH YOU. I AM NOT RESPONSIBLE FOR ANY DAMAGE CAUSED TO ANY PHONE BY USING THIS ROM.

YOU MUST FLASH THIS ROM USING CLOCKWORKMOD RECOVERY. THIS WILL NOT FLASH USING THE STOCK ANDROID 3E RECOVERY AS THE ZIP FILE IS NOT SIGNED. I HAVE NOT TESTED IT ON OTHER RECOVERIES.

This is probably more for posterity now than anything else, however I have created a CWM-flashable full on ROM for the original Nexus S Gingerbread firmware, version 2.3, build GRH55. This is built exactly the same way that the full OTA ROM packages for 2.3.3 and 2.3.4 were built.

Some notes:
1. Since GRH55 did not include the script that automatically overwrites alternate recovery images with the stock one (this was introduced in GRH78/2.3.1), flashing this ZIP will flash the stock Android 3e recovery that came with GRH55. This means that ClockworkMod Recovery will go away after flashing this ZIP and you will need to re-flash it manually if you want it back.

2. Flashing this ZIP will overwrite your bootloader and radio, restoring them to I9020XXJK1 and I9020XXJK8 respectively. These are the versions that came stock with GRH55.

3. GRH55 is receiving OTA updates. As of this writing, the latest version of Android is 2.3.4, and Google is pushing an OTA update for 2.3 to 2.3.4.

4. This ZIP will NOT clear your user data or cache. For users running a stock ROM, I would highly suggest clearing your data and cache manually as sometimes downgrading without clearing data and cache can cause problems. If you are coming from a non-stock ROM, you are required to clear your data and cache or the ROM will not boot.

5. The market app works just fine but does not update to the current style and look. The market app that comes with GRH55 is version 2.12, which is the look that's now 2 generations old. For whatever reason, Google no longer allows version 2.12 to update to newer versions. That said, if you install a later version of the Android Market (3.0.27 as of this writing) manually, it will update to future versions automatically.

6. Since writing NFC tags wasn't introduced until GRI40/2.3.3, the Tags app is read-only.

7. There is no video chatting through Google Talk. This feature was not introduced until GRJ22/2.3.4.

Instructions:
1. Download the Stock GRH55 ROM package here.
2. Copy it to the root of your USB storage.
3. Reboot into ClockworkMod Recovery (or flash it).
4. Select "Install ZIP From SD Card"
5. Select "Choose ZIP"
6. Find the ZIP file and select it.
7. Wait for it to finish.
8. Wipe data and cache (optional but HIGHLY recommended for stock ROM users and REQUIRED for non-stock ROM users)
9. Reboot and have fun.
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3rd May 2011, 08:15 PM |#2  
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Reserved...just in case.
11th May 2011, 04:00 PM |#3  
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Quote:
Originally Posted by oldblue910

Please read this post in its entirety before downloading and flashing.

THIS IS FOR I9020T ONLY! IF YOU DECIDE TO GET BRAVE AND TRY THIS ON AN I9020A, I9023 OR D720, MAY THE FORCE BE WITH YOU. I AM NOT RESPONSIBLE FOR ANY DAMAGE CAUSED TO ANY PHONE BY USING THIS ROM.

YOU MUST FLASH THIS ROM USING CLOCKWORKMOD RECOVERY. THIS WILL NOT FLASH USING THE STOCK ANDROID 3E RECOVERY AS THE ZIP FILE IS NOT SIGNED. I HAVE NOT TESTED IT ON OTHER RECOVERIES.

This is probably more for posterity now than anything else, however I have created a CWM-flashable full on ROM for the original Nexus S Gingerbread firmware, version 2.3, build GRH55. This is built exactly the same way that the full OTA ROM packages for 2.3.3 and 2.3.4 were built.

Some notes:
1. Since GRH55 did not include the script that automatically overwrites alternate recovery images with the stock one (this was introduced in GRH78/2.3.1), flashing this ZIP will flash the stock Android 3e recovery that came with GRH55. This means that ClockworkMod Recovery will go away after flashing this ZIP and you will need to re-flash it manually if you want it back.

2. Flashing this ZIP will overwrite your bootloader and radio, restoring them to I9020XXJK1 and I9020XXJK8 respectively. These are the versions that came stock with GRH55.

3. GRH55 is receiving OTA updates. As of this writing, the latest version of Android is 2.3.4, and Google is pushing an OTA update for 2.3 to 2.3.4.

4. This ZIP will NOT clear your user data or cache. For users running a stock ROM, I would highly suggest clearing your data and cache manually as sometimes downgrading without clearing data and cache can cause problems. If you are coming from a non-stock ROM, you are required to clear your data and cache or the ROM will not boot.

5. The market app works just fine but does not update to the current style and look. The market app that comes with GRH55 is version 2.12, which is the older look and it never got updated before GRH78/2.3.1 came out. You can install a later market version manually, but if you do, you'll have to re-install it every time you reboot as the market updater will remove it and restore it back to 2.12. For whatever reason, Google forces GRH55 to stay with 2.12. You may be able to root the ROM and then upload a newer version into /system/app and overwrite 2.12 entirely, but do so at your own risk. If you want the latest version of the market (2.3.6 as of this writing), you can get it here.

6. Since writing NFC tags wasn't introduced until GRI40/2.3.3, the Tags app is read-only.

7. There is no video chatting through Google Talk. This feature was not introduced until GRJ22/2.3.4.

Instructions:
1. Download the Stock GRH55 ROM package here.
2. Copy it to the root of your USB storage.
3. Reboot into ClockworkMod Recovery (or flash it).
4. Select "Install ZIP From SD Card"
5. Select "Choose ZIP"
6. Find the ZIP file and select it.
7. Wait for it to finish.
8. Wipe data and cache (optional but HIGHLY recommended for stock ROM users and REQUIRED for non-stock ROM users)
9. Reboot and have fun.

NEWBIE HERE. Just to be clear, my phone has to be rooted to do this, right?
11th May 2011, 04:14 PM |#4  
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Not necessarily. You just need to have ClockworkMod recovery installed. That is independent from having root.
11th May 2011, 05:56 PM |#5  
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Quote:
Originally Posted by oldblue910

Not necessarily. You just need to have ClockworkMod recovery installed. That is independent from having root.

Isn't that related to ROM Manager? ROM Manager is saying my phone has to be rooted to use it.
11th May 2011, 06:30 PM |#6  
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Quote:
Originally Posted by jrocka01

Isn't that related to ROM Manager? ROM Manager is saying my phone has to be rooted to use it.

Again, it can be. Or you can unlock your bootloader (you can find threads on how to do that, it's very simple) and then flash clockworkmod manually. Basically, you need ClockworkMod in order to root, but the two are not synonymous.
12th May 2011, 12:34 AM |#7  
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Quote:
Originally Posted by oldblue910

Again, it can be. Or you can unlock your bootloader (you can find threads on how to do that, it's very simple) and then flash clockworkmod manually. Basically, you need ClockworkMod in order to root, but the two are not synonymous.

Problem. Unlocking the bootloader deletes USB storage. Kinda don't want that. Not being able to access my USB data is the reason I'm here in the first place. I know there's software to back up internal storage but what about SD storage? Of course on this phone there's no SD card to remove.
12th May 2011, 01:30 AM |#8  
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Quote:
Originally Posted by jrocka01

Problem. Unlocking the bootloader deletes USB storage. Kinda don't want that. Not being able to access my USB data is the reason I'm here in the first place. I know there's software to back up internal storage but what about SD storage? Of course on this phone there's no SD card to remove.

I would just plug the phone into your computer via USB and copy everything to your computer, then once you unlock the bootloader, copy it back. That'll take care of your USB storage.
12th May 2011, 01:46 AM |#9  
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Quote:
Originally Posted by oldblue910

I would just plug the phone into your computer via USB and copy everything to your computer, then once you unlock the bootloader, copy it back. That'll take care of your USB storage.

Like I said I lost USB connectivity, from the manual 2.3.4 install, which is why I'm trying to go back to an older version in the first place. No SD card on the NS. Do you know of another way?
12th May 2011, 09:11 AM |#10  
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try to install a program named websharing.
and you will be able to ftp your phone with you pc.
after that will be easy to transfer your SD data to your PC.
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12th May 2011, 04:25 PM |#11  
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Quote:
Originally Posted by searius

try to install a program named websharing.
and you will be able to ftp your phone with you pc.
after that will be easy to transfer your SD data to your PC.

That sounds like a great idea. After I back them up I don't care if the SD gets wiped. Thanks for that.
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