Here is a Adcom A400 stock ROM firmware (flash file) that you lot tin download together with purpose to flash or charge stock firmware on your A400 device.
Though this Adcom A400 Stock ROM (flash file) has been checked together with confirmed to run for Adcom A400, due to device variations, nosotros cannot guaranty that it volition run for yours.
Depending on your electrical current OS version, this Adcom A400 stock firmware, when flashed on your device, volition either upgrade, downgrade or unbrick your Adcom A400.
And inwards either case, you lot volition nearly probable unloose all your of import files on the device, therefore, you lot take away to backup all the of import files on your device.
Adcom A400 Stock ROM Firmware Download Link(s)
See also: All Adcom Manito Stock ROM Firmware (Flash File)
How to Flash or Upgrade Adcom A400 Firmware
1. Download your Adcom A400 Stock ROM firmware from the link(s) above.
2. Download together with install Windows device drivers for your Adcom A400. See here: All Android Devices ADB together with Fastboot Drivers
3. Extract your Adcom A400 firmware on your PC.
4. Now, pick out either of the tools listed below here.
Either of the tools tin download together with flash stock ROM firmware on your Adcom A400. I recommend that you lot pick out the i that is nearly suitable to upgrade or flash your Adcom A400.
Note:
1. Each of the tools listed inwards a higher house contained measurement past times measurement guides amongst illustrated pictures on how to flash stock firmware on your Adcom A400.
2. If you lot require whatsoever farther assistance, only driblet your comment detailing the issue(s) together with I shall aid you lot revive your Adcom A400 , if take away be.