If a hard reset doesn't fix an unresponsive screen, the problem is likely hardware-related (a damaged digitizer or display cable). In this case, contact ZTE authorized service or a phone repair shop.
: Use the Volume Down button to highlight "Wipe data/factory reset" and press the Power button to select it. How to Hard Reset ZTE Blade A34
: Once "Data wipe complete" appears, select "Reboot system now" to finish. Method 2: Reset Through the Settings Menu If a hard reset doesn't fix an unresponsive
Use the to scroll down to "Wipe data/factory reset" . Press the Power button to select it. How to Hard Reset ZTE Blade A34