Learn How-To Upgrade Motorola Razr GSM/UMTS With Official Android 4.0.3

How-To

If you are an owner of Motorola Razr there is something interesting news for you and that is, now you can upgrade Motorola Razr with official Android 4.0.3 ICS (ice cream sandwich). Below you can see that the easy to understand step-by-step guide for this purpose. Here I’d like to say that the below steps are just compatible with Motorola Razr GSM/UMTS so, don’t try on any other device.

In this regard you need to charge your phone’s battery to 100% and also manage your Back up your phone data because the below steps can damage your valued data you can user Voodoo OTA Rootkeeper.

DISCLAIMER: The below method is bit risky and we will not be held responsible if you lose data or your device gets damaged in the following of this guide so please proceed at your own risk.

Instructions

Step 1

First of all you Download the Ice Cream Sandwich update package for the Motorola Razr XT910 from here and after Saving the file to your PC simply rename the ZIP file to update.zip.

Step 2

After this connect the device to your PC through USB cable and copy update.zip to the root of your phone’s external SD card.

Step 3

then disconnect your device from your PC and turn off your phone and Reboot your into Motorola Recovery, as you can see below:

Hold down the Volume Up and Volume Down buttons.
Turn on the phone.
Use the Volume Down key to highlight “recovery”.
Press the Volume Up key to select.
Press both Volume Up and Volume Down buttons when the Android logo and warning triangle appear.

Step 4

After this you can see that your device will detect the update file and ask you if you want to update your Motorola Razr using the file. Make definite that you want to do so.

Step 5

When the Reboot phone firmware update is DONE Set up your Google credentials. Go to Settings > Developer Options and enable Force GPU Rendering.

Step 6

Proceed with the remaining steps if you’ve made a SU backup using Voodoo OTA Rootkeeper. Otherwise, the update procedure ends here.

Step 7

Then download and install Android Terminal Emulator to your Motorola Razr from here and Launch the Android Terminal Emulator app on your phone.

Step 8

Execute the following commands from the terminal:

./system/su-backup
mount -o remount,rw /dev/block/system /system
rm /system/bin/su
ln -s /system/su-backup /system/bin/su

via: Android Authority

You can follow us on Twitter for random streams or free Newsletter Subscritions Join RSS or join our Facebook page to keep yourself updated on all the latest from Android, Google, TIps & Tricks, HTC, Android App Reviews, Android Mobiles, Honeycomb, Google Chrome, Chrome OS, Gadgets, Google News, webOS, android firmware and Chrome Extensions.

Mubasher Iqbal

11 comments

nelsin

March 17th, 2012

This can be use no a Roger’S RAZA? Orden this si only forma US GAMA versión?

Thanks
Reply
jan

April 24th, 2012

does your droid razr (gsm) needs to be rooted?
Reply
- Mubasher Iqbal
  
  April 25th, 2012
  
  This guide is for Motorola Razr GSM/UMTS (model XT910) EU variant.
  Reply
- Abdur Rehman
  
  May 3rd, 2012
  
  No..you no need to root the device
  Reply
bergk

May 12th, 2012

is not working
“Installing update… (after about 25% installation aborted)
assert failed: file_getprop……..
E:Error in /tmp/sideload/package.zip
(status 7)
Installation aborted

help me!!!
Reply
Willians

June 1st, 2012

does not work, operation aborted due to error in signing…
this rom is the U.S.? a bug? and see the Brazilian can downgrade?
Everything is working H / W is acelaratione ptbr?
Reply
Willians

June 4th, 2012

A pity, but did not work in my RAZR BR alive nd the failure signature.
Reply
Mac

June 7th, 2012

will it work if i have 672.137.1.xt910….eu?
wil i be able to upgrade to the official 403 release?
thanks a lot
mac
Reply
Sascha Bernshausen

June 11th, 2012

Does this update contain all the Motorola features? most important Motoblur?
Reply
Josia

June 22nd, 2012

I’ve been Googleing / reading since 2-3 hours and can’t find a clear answer.

I have stock XT910 GSM with Android 2.3.5 / build 6.5.1_73 — not rooted. Can I install Android 4.0.3 ICS directly? If not, what steps should I follow.

Thank you.
Reply
patrick

June 30th, 2012

installation abborted !what ive done wrong?
Reply