It was the last time we saw on how you can upgrade your Galaxy S II GT I9100G smartphone with the latest firmware of ICS XXLPQ 4.0.3 firmware version and for all those who wished to install the latest custom ROM firmware we will be checking out on how you can root your device which is a must to install the custom ROM firmware. Before proceeding, you need to ensure that you are on the XXLPQ firmware. You can check the same from the path “Settings > About Phone” where the firmware version should read as XXLPQ. If you are not on XXLPQ firmware, then you will have to Update Galaxy S2 I9100G with ICS XXLPQ 4.0.3 firmware.
Disclaimer: Neither AndroidAdvices, nor SONY should be held responsible for any damage caused to your device which is a very unlikely if you follow all the mentioned instructions mentioned in this article.
Once you root the device, you can then make use of apps which need root access and also you can install custom ROM firmwares which we will be coming out in few days of time once developers come out.
Rooting Information: Once the device is rooted, the warranty will get void. The only way to revoke the root access and get back the lost warranty is by re applying the XXLPQ firmware in your Galaxy S2 I9100G smartphone.
Caution: This rooting process can only be applied on the I9100G device which is laden on the ICS XXLPQ 4.0.3 firmware. This rooting process should not be applied on I9100 device as it may even brick the device.
Let’s get started with the list of essential pre requisites which you need to follow.
Essential Pre Requisites:
- Enable USB Debugging in your Galaxy S2 GT I9100G from the path “Settings > Applications > Development > USB debugging” and then ensure that your phone is left with the minimum battery charge of 60% so as to make sure that ti doesn’t get turned Off in the middle of rooting process.
- All the user level data mentioned below should be backed up so that just in case if the data gets lost or corrupted, the same can be easily restored. Its recommended to back up the data with the help of below steps rather than KIES PC Suite.
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”
- Close / Disable all the antivirus suites as well as Firewall tools as these tools generally tend to interrupt the process of firmware update.
- Ensure that the PC which you will be using to Root should have active USB ports so as to ensure that there is no interruption in data exchange.
So let’s proceed to the next page where we have summed up a detailed tutorial on how to root Galaxy S2 GT I9100G on XXLPQ 4.0.3 firmware.