Karbonn A27 Hard Reset

Hard Reset:

• Press and hold Power key + Volume UP + Volume Down to get recovery mode.
• if this method not work then try 2 second method
• 2nd method: press power key
• after vibrate phone press and hold volume UP + volume Down
• you see recovery menu.
• select wipe data / factory reset and select yes.
• now reboot device

One another method is here:

• Power On Handset and connect to pc or laptop
• Download Android Multi tool and Drivers from Here
• Install both drivers "SCI android drivers" and "ADB Android Drivers"
• Now open tool and press "5" and hit Enter Key to wipe data / factory reset.
• after format handset restart automatic
• hard reset done