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title | layout | created | updated | toc | tags | ||||||
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Manual Firmware Update on the Galaxy Nexus | default | 2011-12-16 22:26:17 +0100 | 2012-04-02 14:46:03 +0200 | false |
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Samsung seems to have failed, rushing to put out an update to the "Volume-"-bug in their Galaxy Nexus. They provided a wrong-signed Google+ and Google Maps app. They failed to update ("Wrong package signature", see here).
To find out if your device has this broken firmware, check the build number: ITL41F.I9250XWKK8 instead of just ITL41F (or ITL41D) is the broken one.
To flash the official firmware, do as follows:
- if you already set up everything on your device, you can make a backup:
- backup the internal settings using
adb backup -all -system -shared -apk
(enable USB Debugging first, under Windows you may have to install some drivers)- this will create a file
backup.ab
with your data - ⚠️ There was a bug in 4.0.1 which didn't backup
/mnt/sdcard
using adb. To fix this, manually backup the contents of/mnt/sdcard
using a tool like FTPServer, WebSharing or similar
- this will create a file
- backup the internal settings using
- download the official firmware from http://code.google.com/android/nexus/images.html#yakju (European devices are yakju, Verizon is mysid)
- download
fastboot
for Windows from http://code.google.com/p/android-roms/downloads/detail?name=fastboot-win32.zip&can=2&q=, for Linux try to find a binary package - boot the phone into the bootloader (hold both volume keys and then hold the power key)
- use
fastboot
to flash the bootloader fastboot reload-bootloader
- use
fastboot
to flash the radio firmware fastboot reload-bootloader
- use
fastboot
to flash the main firmware (that ZIP file) - if you really need an unlocked bootloader to easily update in the future, do it now: (it will be locked after update)
- boot into the bootloader
fastboot oem unlock
- reboot
- to restore your backed up settings, do this:
- set up all previous Google- and eMail-accounts
- enable USB Debugging
- restore all internal data using
adb restore backup.ab
- maybe: use FTPServer, WebSharing or similar to restore
/mnt/sdcard