Firmware Zte Blade L220 -

The first boot after flashing takes 5–10 minutes. Do not touch the keys. You will see a factory-fresh setup wizard.

There are three primary methods for updating your phone's software. The Over-the-Air (OTA) method is the safest and most straightforward for most users. Firmware ZTE Blade L220

Charge the smartphone to a minimum of 50% to 70% to avoid unexpected shutdowns during system installation. The first boot after flashing takes 5–10 minutes