Jio F90m diag port is not working, then you can solve the problem in this way. For flashing the Jio F90m , you have to pay attention to many important things. Only then you can flash the live keypad.
- First, replace the Loader file of new File to the old File.
- Loader File for Jio F90m is under folder Boot_images > Build > ms > bin > 8909 > emmc
- Copy all files from EMMC of the Latest File to the Old File.
To flash the Jio F90m you need a boot key. The boot key of all models of Jio keypad is different.
- use, the Old file to flash Jio F90m .
Jio F90m Press UP key + Down key (Center key ) Then Connect Mobile to PC
With UP key + Down key (Center key ) your mobile will go into flash mode. Then you can easily flash.