. Using incorrect or unofficial "custom" firmware can lead to: ZTE Official Website ZTE Blade L220 Specifications and Price - DroidAfrica
: A stable Wi-Fi connection and at least 50% battery. Steps : Open Settings . Scroll down to the bottom and select System . Firmware ZTE Blade L220
quad-core processor to ensure smooth performance within its 1GB to 2GB RAM constraints. www.ztedevices.mx Key Firmware Specifications Firmware ZTE Blade L220
button (the single gear icon on the top left) and select the firmware file you downloaded for the ZTE Blade L220 Start the Process Start Downloading Firmware ZTE Blade L220
Install the ZTE/Unisoc USB drivers on a Windows PC.