Pre Requisites:
- Before proceeding, you need to back up all the data which is present in your phone memory so that just I case if any data is lost or corrupted, then you can restore the same easily. With the help of below mentioned tips you can backup and restore data.
SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log – Call Log and Restore
Backup Apps (For Rooted Users) – Titanium Backup,
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”
- Enable the USB Debugging Mode in your Phone which you can do from the path “Settings > Applications > Development > USB debugging”. With the help of below mentioned image you can get more info on the same. Ensure that the minimum battery left is 60% so as to ensure that phone doesn’t get turned Off in the process of firmware update.
- Close all the tools like Security Suites, Firewall tools and also the KIES PC Suite as these tools generally tend to interrupt the process of firmware update.
So, now let’s head to the next page where we will see on how you can apply Ice Cream Sandwich Android 4.0 version in your S2.
