Karbonn A90 Pattern unlock done without any box 100% tested by me
Download " UseData.pac "file from HERE
Procedure :
- First upload file of " UseData.pac "
- Then Click on " Select Firmware " button
- Press and hold " Volu Down " Key and Insert USB cable
Note : If Volume Down button not working for boot use volcano see below image.
:: Related Post ::
Karbonn A90 Flash file or Tools from HERE