Here is a Adcom 740C stock ROM firmware (flash file) that y'all tin download together with role to flash or charge stock firmware on your 740C device.
Though this Adcom 740C Stock ROM (flash file) has been checked together with confirmed to live on for Adcom 740C, due to device variations, nosotros cannot guaranty that it volition live on for yours.
Depending on your electrical current OS version, this Adcom 740C stock firmware, when flashed on your device, volition either upgrade, downgrade or unbrick your Adcom 740C.
And inwards either case, y'all volition almost probable unloose all your of import files on the device, therefore, y'all require to backup all the of import files on your device.
Adcom 740C Stock ROM Firmware Download Link(s)
See also: All Adcom Manito Stock ROM Firmware (Flash File)
How to Flash or Upgrade Adcom 740C Firmware
1. Download your Adcom 740C Stock ROM firmware from the link(s) above.
2. Download together with install Windows device drivers for your Adcom 740C. See here: All Android Devices ADB together with Fastboot Drivers
3. Extract your Adcom 740C firmware on your PC.
4. Now, select either of the tools listed below here.
Either of the tools tin download together with flash stock ROM firmware on your Adcom 740C. I recommend that y'all select the i that is almost suitable to upgrade or flash your Adcom 740C.
Note:
1. Each of the tools listed to a higher house contained measuring past times measuring guides alongside illustrated pictures on how to flash stock firmware on your Adcom 740C.
2. If y'all require whatever farther assistance, only drib your comment detailing the issue(s) together with I shall aid y'all revive your Adcom 740C , if require be.