Pre Upgrade instructions:
- In the process of applying this update, you will have to ensure that all the data which is there in the phone is backed up or else there is a high probability that you may end up losing all of them. Please note that the data which you will have to backup includes the SMS, Contacts, Call Log, Songs, Video Files, APN as well as the MMS Settings which are responsible for Internet access as well as the for sending the MMS Messages. All the data which is mentioned can be backed up by following the below links so that the same can be restored easily after the firmware update.
SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log – Call Log and Restore
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”
- After this you will have to ensure that the battery life is above 75% before proceeding to update the firmware.
- In the process of firmware update you will be requiring a computer which is having a minimum OS of Windows XP / Windows Vista / Windows 7 / Windows 8 (Windows Developer Edition) powered with the USB 2.0 capable. Most importantly you need to have ADMIN privileges along with the full access of the USB Read / Write access so that all the data can be read / written from / to the phone. Before proceeding close the softwares like KIES / Antivirus Suites / Firewall tools completely so as to avoid from firmware update failure message.
Special Instructions to users on Custom ROMs:
- So, once you are done with the above instructions, you will have to follow the below mentioned ones too.
- Just in case if you have rooted the phone and also have installed any of the custom ROMs then you will have to get into the recovery mode first. The recovery mode can be entered by first turning off the phone and then pressing the Volume Up key + Menu key and then Power On the device.
- So, once you are into the recovery mode, you will see that there will be many options out of which you need to first choose “Wipe data / factory reset” and then followed by the option of “Wipe Cache Partition”.
- Additionally, if your kernel also has any Voodoo components then you will have to ensure that these are completely disabled or else it will hamper the installation process. Generally it is found in the “Advanced” option in recovery mode. Once you do this, you will now have to select the option of “Go Back” and need to choose the option of “rebooting system now”. There you go you will now be booting into the normal mode.
