: Once the Huawei logo appears, release the buttons. The device will detect the folder and begin the "Software Upgrade" automatically. Completion
: After the progress bar reaches 100%, the phone will reboot. The first boot after a flash may take several minutes. Critical Security Warning : This process will wipe all user data . Back up your photos and contacts before proceeding. Downgrading
Flashing a device at the core hardware level leaves zero room for error. Gather these components before initiating the transfer process:
If your firmware file package is split into regional components, ensure the main update.app file sits inside the root dload directory, and any sub-packages (like operator customization folders) retain their exact folder path inside dload . mrdlx1 firmware sd card exclusive
without an active network connection or unlocked bootloader is through an . The
Confirm device region via fastboot mode ( fastboot oem get-bootinfo ) and source a matching build. Broken Volume buttons or misconfigured directory structure.
Simultaneously press and hold the buttons. : Once the Huawei logo appears, release the buttons
If you have access to a for additional recovery tools
: If your phone is functional, enter *#*#2846579#*#* in the dialer, then select Software Upgrade > SDCard Upgrade .
Press and hold simultaneously.
Press and hold the , Volume Down , and Power Button simultaneously.
: Use a high-quality SD card (up to 1TB supported) formatted to : The firmware version must match your device's model (MRD-LX1) region code
Remove the SD card and verify the new firmware version in the settings menu. Tips for a Successful Update The first boot after a flash may take several minutes
Your phone is stuck in a boot loop, bricked, or stuck on the logo.