: Huawei strictly limits firmware downgrading. Attempting to install an older security patch version via SD card may fail or cause boot loops.
: Create a new folder named dload in the root directory of the SD card. mrdlx1 firmware sd card exclusive
: Using an SD card to flash firmware (typically placed in a folder named : Huawei strictly limits firmware downgrading
When the documentation mentions , it refers to a proprietary boot sequence where: mrdlx1 firmware sd card exclusive