We wrote about how you can install Android 4.0.4 XXLQ5 on Galaxy S2 yesterday as soon as it was leaked, but we asked for you to wait a bit for how to root build XXLQ5. Well, the wait is over. Now you can root Android 4.0.4 on Galaxy S2.
Rooting your phone has its own advantages. You will be able to install root apps and do other tweaks with your phone which would otherwise be not possible without full system access on your phone. Let’s continue with the tutorial.
Disclaimer: All the tools, mods or ROMs mentioned below belong to their respective owners/developers. We (TeamAndroid.com) or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial 😉
Make sure you have installed all your USB drivers for the Samsung Galaxy S I to connect it with the computer. Download Samsung Galaxy S2 USB drivers! Apart from just the USB drivers, there are a few more things that you need to take care of.
1. You need to enable USB debugging mode. This helps to connect your Android phone with the PC. See here: How to Enable USB Debugging.
2. Your phone battery should be 80-85% charged. If your phone goes off suddenly because of battery, during flashing ROMs or installing mods and updates — your phone might go dead permanently. See here: How to Check Battery Percentage.
3. Backup all your important data that you might need as soon as your flash a new ROM, or make a backup for just in case, you never know when anything might go wrong. See below on how to backup data:
- Backup your SMS messages. How? –> How to Backup/Restore SMS Messages.
- Backup Contacts, Gmail and Google Data. How? –> Sync with Google Sync.
- Backup Call History. How? –> How to Backup Call History.
- Backup WhatsApp Messages. How? –> How to Backup/Restore WhatsApp Messages.
- Backup APN Settings: GPRS, 3G, MMS Settings.
Data can also be backed up using Samsung KIES for their devices, but if you backup data manually, you get more options what top choose from and it is very easy to move data across Android devices from different manufacturers, i.e moving Samsung Galaxy Note backup data to HTC One X.
4. Make sure you are on the Android 4.0.4 XXLQ5 firmware. How? Go to Settings > About phone to check.
Now, let’s proceed with the tutorial on the next page and root Android 4.0.4 XXLQ5 on Galaxy S2 I9100.