If you only need to clear a lock or fix minor glitches without a full flash, you can perform a master reset using these secret codes:
Install MediaTek (MTK) USB Drivers on your PC so the computer can recognize the phone. karbonn k140 pop flash file
When factory reset fails, the ultimate solution is re-installing the (also called stock firmware or ROM). This article provides everything you need to safely flash your Karbonn K140 Pop. If you only need to clear a lock
: Click the Download button in the tool. Turn off the phone and remove the battery if possible. Connect it to the PC via USB while holding the volume up or volume down key to initiate detection. : Click the Download button in the tool
Summary
Troubleshoot issues if your PC isn't seeing the phone.
: Once a green Passed or Previous Passed message appears, unplug the device and power it on.