Upgrading or updating your phone via TCard Recovery Version is the safest and easiest alternative to Over-The-Air (OTA) update.
The steps are pretty easy and straight forward.
Note that this method works best if you have not rooted your device. Also, don’t forget to back up your data before proceeding.
The first thing to do is to download the TCard Recovery Version of the update you want to update to. Once you have downloaded the TCard Recovery Version, you can proceed with these simple 5 steps to apply the update.
Step 1: Press menu icon.
Step 2: Press system updates icon.
Step 3: Choose update from local option.
Step 4: Choose the version which you downloaded fom SD card.
Step 5: Press Install.
Then your device will reboot and start upgrading to the new version.