How to Update Galaxy S2 GT I9100 with R25 AOKP Jellybean 4.1.1 Firmware

Jellybean 4.1 LogoBored of using the same looking firmware in your Samsung Galaxy S2 smartphone? Then we will be checking out on how you can install the new custom ROM firmwares which are not just high on the feature list but also comes with a host of add-on apps. So on the similar lines we will be checking out an all new custom ROM firmware dubbed as “R25 AOKP 4.1.1” custom ROM firmware which is dubbed as XXLPX firmware. You can refer to a detailed list of features which this custom ROM firmware comes along. The best part of this firmware is that it comes with the latest Jellybean 4.1.1 firmware base.

Please note that for applying this update you will have to root the device and with the help of below mentioned links you can root the device. If you feel that you have rooted your device before then you can check the same by downloading the “Root Checker” app from the Google PLAY Store. It’s not necessary that you will have to be on the rooted XXLQ5 firmware but you can be on any rooted firmware. We have also mentioned the screen captures on how this firmware looks like.

How to Update Galaxy S2 GT I9100 with Official XXLQ5 ICS 4.0.4 Firmware

How to Root Samsung Galaxy S2 GT I9100 on XXLQ5 ICS 4.0.4 Firmware

Caution: This update is strictly for the I9100 Model only and not for the devices which have the model number as I9100G. You can get the model number info from the “Settings > About Phone > Model Number”.

Once the device is rooted, the warranty will get void, to restore the lost warranty, you can revert back to the XXLQ5 firmware which will restore back the warranty.

Disclaimer: It will be solely your responsibility if any damage happens to your device caused due to not following of the instructions mentioned in this article. We should not be held responsible or liable for any damage done which is highly not possible if you follow all the instructions.

Download ROM Manager app from the Google PLAY Store, flash the Clock Work Mod recovery in your Galaxy S2. Data in your Galaxy S2 GT I9100 device should be backed up with the help of below steps. As soon as the backup of all the data is created, connect your device and place all the backup files in your computer. Once the backup files are copied to your computer, disconnect the same.

SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log - Call Log and Restore
Images, Songs, Videos, Files – Copy to internal / External SD Card,
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names

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From the path “Settings > Applications > Development > USB debugging”, you will have to enable the USB Debugging Mode. Also not to forget the minimum  battery life should not be less than 40% or else there is a risk of device getting turned off in the middle of firmware update.

Once you are done with all the above mentioned steps, you can now head over to the next page where we have summed up a detailed guide on how to apply this firmware update in your device.

by Step Tutorial

About Pradeep Neela

Friends call him Droid Geek because he tries out different ROM’s everyday and helps droid users experience better features on their devices. Add +Neal Pradeep on Google Plus for more Updates.