Upgrade Galaxy Nexus from 4.0.4/4.1 (jro03c) to 4.1.1 final (takju & yakju)

Source: Internet
Author: User
Updating Galaxy Nexus to Android 4.1.1 final (jro03c) from 4.0.4/4.1 On takju & yakju


By mayur onjuly 11,201 2

In Android, how

Google has officially
Confirmed the rolout of the final Android 4.1.1OTA updateFor its flagship device, Galaxy Nexus GSM/HSPA +. The final update 4.1.1 with build number jro03c, is an upgrade to the recently released Android 4.1 jrn84d update that was a preview
Release. Galaxy Nexus users might get the 4.1.1 jelly bean OTA update over the next several days and it may take long too depending on your deviceproduct version. Perhaps,
If your Galaxy Nexus isTakjuRunning Android 4.0.4 (ice cream sandwich) or android 4.1 (JB Preview) Then you can manually install the official 4.1.1 update now!


1. GSM/HSPA + Galaxy Nexus with product version 'takju' (imm76i or jrn84d ).
2. Your phone shocould be running official stock firmware and not a custom Rom.
3. device shoshould have an unlocked bootloader (how to unlock bootloader)
4. clockworkmod (CWM) custom recovery installed
5. phone must be rooted

  • To check the build number, go to Settings> about phone.
  • Refer to this post to check if your device product name isTakjuOr not?

BackupYour device first-(Recommended)

During this process, your device will be wiped but all your data such as photos, music, videos will stay intact. Make sureCreate a nandroid backupOf your device firmware before proceeding with this
Tutorial. Also, backup your Galaxy Nexus apps & data as you can simply restore them after fresh installation of Android 4.1.1.

Tutorial-updating Galaxy Nexus from takju 4.0.4 (imm76i) to 4.1.1 (jro03c)

Download takju-JRO03C-from-IMM76I OTA Update (CWM flashable zip ).

2. Transfer5c416e9cf57f.signed-takju-jro03c-from-imm76i.5c416e9c.zipFile to the root directory of your phone.

3. Turn off your device. Boot it into bootloader/fastboot mode by holding volume up + down key and power key simultaneously. (You can also use Rom Manager)

4. Navigate to "recovery mode" using the Volume keys and tap power key to select. clockworkmod recovery shocould open up.

5. From clockworkmod rewm (CWM ),Perform the below actions:

-Wipe data/factory reset
-Wipe cache Partition
-Wipe Dalvik Cache
-Wipe battery stats

6.From the main screen, select "Install zip from sdcard"> "choose zip from sdcard" and then choose the transferred. Zip fileto apply, select 'Yes .. 'to confirm.

Wait for a few minutes until the installation gets completed. Now reboot and your Galaxy Nexus shoshould be running final version of 'jelly Bean ".

How to update Galaxy Nexus from takju4.1 (jrn84d) to 4.1.1 (jro03c)

Download takju-JRO03C-from-JRN84D OTA update.

2. TransferEdfff6d328f1.signed-takju-JRO03C-from-JRN84D.edfff6d3.zipFile to the root directory of your phone.

~ Next, follow step #3, 4, 5, 6 as stated above.

Update-After updating to 4.1.1, you can consider installing the latest Radio/baseband versionXxlf1For Android 4.1.1 (takju). You can either flash

Radio-maguro-i9250-xxlf1.img (using Toolkit)OrSimply flash
Cwm-radio-i9250-xxlf1.zip file using clockworkmod recovery. Tested and working. [thanksxda]

RestoreThe backup up now to get back all your installed apps along with their data.

Note: Following this tutorial, the custom CWM recovery mode will break on your Galaxy Nexus. Check
This post to fix the Recovery & root Galaxy Nexus running Android 4.1.1.

Disclause:Try this guide at your own risk! We wont be responsible in case your device gets bricked. This may also void your warranty.

Update-The official 4.1.1 OTA package for GSM yakju Galaxy Nexus is also out! (Thanks toefrant). Now yakju devices running Android 4.0.4
With build numberImm76iCan easily install the android 4.1.1 jelly bean update using clockworkmod recovery.

-Before flashing, make sure your device Radio/baseband version isXxla2.

How to update Galaxy Nexus from yakju 4.0.4 (Imm76i) To 4.1.1 (jro03c)

Download yakju-JRO03C-from-IMM76I OTA update.

2. TransferF946a4120eb1.signed-yakju-JRO03C-from-IMM76I.f946a412.zipFile to the root directory of your phone.

~ Next, follow step #3, 4, 5, 6 as stated above.

Don't forget to share this guide with your friends.

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