У вашего броузера проблема в совместимости с HTML5
https://www.androidprotips.com/hard-reset-zte-blade-a5-2019/
Check this link for more details.
You can easily Hard Reset ZTE Blade A5 2019 android mobile here. You can also unlock ZTE Blade A5 2019 phone when you forgot the password.
In this video, you can learn how to reset ZTE Blade A5 2019 android phone in different ways.
Video Contents
How to Hard Reset ZTE Blade A5 2019.
Reset ZTE Blade A5 2019 without password.
Unlock ZTE Blade A5 2019 Android phone.
Reset ZTE Blade A5 2019 with Google Find My Device.
Wipe/delete data on ZTE Blade A5 2019.
ZTE Blade A5 2019 format when forgot password.
ZTE Blade A5 2019 bypass google account protection.
Hard reset ZTE Blade A5 2019
First, Switch off your ZTE mobile, by holding the power button.
After that, hold down the Volume Down + Power Button.
When you see the ZTE or Android Logo screen, release all the buttons.
Afterward, choose to wipe data/factory reset option, Using the Volume button and confirm with the Power button.
Navigate with Volume Button to select Yes option and press the Power button.
Once the reset is complete, you will be bounced back to the same recovery mode menu.
Next, press the Power button to select Reboot system now.