Rooting or installing a custom rom or recovery might brick your device or your device may act abnormally and you also lose the device warranty. You may even get a dead SD card which might not work or you can leave your device in a dead state. Before going through the entire tutorial please be advised that it is your own responsibility to go further. We are not liable for any loss of data or any property of yours by any mean.
Pre-Requisites Before Upgrading
- Backup of your personal data
- Make sure the battery capacity of more than 50%
- Your device running Android Lollipop S054, visit tutorial here
- Make sure your device installed original Stock Recovery
- Your device never rooted
Now, boot your device into Recovery mode by holding volume up, volume down, and power button together. Select the Apply Update From SD Card, locate the System.zip file you have copied on the root folder of SD card and hit enter by press power button. Wait until upgrade process finished.
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