Zte Blade L220 - Firmware
This device runs on the Unisoc (Spreadtrum) SC7731E chipset.
To successfully flash your ZTE Blade L220, you must prepare your workspace and gather the necessary tools. Firmware ZTE Blade L220
If the device cannot read the SIM card or shows an invalid IMEI (International Mobile Equipment Identity), the radio firmware (baseband) is likely corrupted. This device runs on the Unisoc (Spreadtrum) SC7731E chipset