How to backup and install custom rom using TWRP - theAsk

How to install custom rom using custom recovery TWRP on Acer Liquid Z520

1. After you download the zip file of your custom ROM, put it in your device’s storage
2. Boot your device in Recovery mode with the power button and volume down button pressed
3. Before you flash a custom ROM, try to backup your old ROM by selecting the "Backup" option. select partitions you want to backup (recommend to backup all). And swipe to run backup.

1. Select "Backup" Option

2. Select Partition to Backup and swipe to run

3. Backup complete and press back

4. Next, after you backup now it's time to wipe all, select the "Wipe" option. Now select partitions to Wipe (for flash a new custom rom, recommend to wipe Dalvik, Cache, System and Data). After select that, swipe to run wipe.

1. Select "Wipe" Option

2. Select "Advance Wipe"

3. Select Partition to Wipe

4. Wipe Complete and select "back"

5. Now install the rom by select Install option. Next, search for your zip file of your custom ROM in storage and select it. Swipe to Install the custom rom zip file.

1. Select "Install" Option

2. Find your zip file rom in storage device and select

3. Cek again your Zip file, and Swipe to run

Installing complete and select "Reboot System"

6. Now finish and reboot your device.

Disclaimer: If you flash any Custom ROM, your Android warranty has been canceled. If you use it please work at your own risk. theAsk will not be responsible for any damage or loss that occurs to your device, during or after the installation process. Continue at your own risk.