How to factory reset ACER Liquid Z5? How to wipe all data in ACER Liquid Z5? How to bypass screen lock in ACER Liquid Z5? How to restore defaults in ACER Liquid Z5?
The following tutorial shows all method of master reset ACER Liquid Z5. Check out how to accomplish hard reset by hardware keys and Android 4.2 Jelly Bean settings. As a result your ACER Liquid Z5 will be as new and your MediaTek MT6572 core will run faster.
Hard Reset ACER Liquid Z4 - Clear eMMC in ACER
How to Hard Reset ACER Liquid Z4 - Delete All Data / Reset Android
Hard Reset will erase all of your data
All described operations you are doing at your own risk.