This Symphony B12 i firmware flash file (stock ROM) can assist you quickly un-brick or restore your gadget to its default or factory state.
If you have previously rooted or modified the system (or other) partition of the phone in any method, flashing this stock ROM will overwrite all existing customized system files to change with factory software.
If you have you have important information on the phone (like contacts, messages, app data, etc), please back them up because you might loose data after flashing.
Charge the phone to a minimum of 50% so that the flashing procedure will not be interrupted by low battery. Disrupting the firmware installation means bricking your phone.
Download the firmware file from the link listed below and follow the recommended flashing guidelines immediately after the download choices. Please report any broken links found.
Download Symphony B12 i flash file
|File Name||Symphony_B12 i_firmware_flash_file( www.leakite.com). zip|
Important! Always backup existing firmware prior to flashing any firmware.
How to flash
After downloading the firmware from above link, extract the contents of the archive to an empty folder on your computer. Get a practical USB cable, then flash the BIN firmware through Miracle Box or Chinese Miracle II.
If you have any questions or other contribution please post in comments section for support.