This is the safest method for upgrading or recovering the system unlocking the bootloader.
The has these specifications:
On your PC, download Huawei Firmware Finder and run the "HTTP Proxy" option.
Copy the entire dload folder (including UPDATE.APP) to the root of your microSD card.
At its core, the BLL-L21 firmware is built upon Android, typically overlaid with Huawei's proprietary . According to technical specifications on DeviceAtlas , the BLL-L21 is the global variant of the
Tap . if a new version is available, tap Download and install . 2. Manual dload Method (MicroSD Card)
