One of the most popular custom ROM firmware arrives for the Samsung Galaxy S III GT I9300 as well and in the due course of this article we will be checking out on how you can install the latest version of this custom ROM firmware XXBLG9 which is based on the ICS build. To make your things simple, we have summed up the express pre requisites which you will have to follow prior to heading towards the detailed guide on how to apply this firmware update. This update comes with a host of add-on features which you can find them in the corresponding link. This custom ROM firmware is dubbed as Wanam lite custom ROM firmware.
Update 22/10/2012: This firmware is now READY with the latest Jellybean 4.1.1 Firmware build which is XXDLIJ version.
Over a period of this article, we will be checking out on how this custom ROM firmware looks like along with a detailed guide on how this one can be applied in your Galaxy S3. Basically there are two versions of the Wanam lite custom ROM firmware, one is the Jellybean 4.1 version which is still unstable as per the developer while the other one is the ICS one which is the one which we will be checking out in this article, the stable one. Full credits to the wanam developer for coming out with this update.
KIES doesn’t recognize the devices on the custom ROM firmware, so backup all your data with the help of below steps so as to make sure that all your data is safeguarded. Its better to backup the data with the help of below steps, once you back up the data, transfer all the backup target files to your computer.
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”
Caution: This update is strictly for the I9300 Model only and not for the devices which have different model numbers. You can get the model number info from the “Settings > About Phone > Model Number”.
Minimum battery left in your Galaxy S3 should be at least 50% so as to make sure that it doesn’t get turned off in the middle of firmware update. Disable all the antivirus suites in your computer and in your device. Download “ROM Manager” app from the Google PLAY Store and flash the clock work mod recovery.
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.
So once all the instructions mentioned above are followed, you can now head to the next page where we have summed up a detailed guide on how to apply this firmware update in your Galaxy S3.