how to hard reset karbonn A21
 

how to remove username password karbonn A21 solution is available on net but there is no home key button on handset
Press Power key + Volume up key + Home Key

and then select clear data.

i already tried this but no success because home button is not push type button and home button only work after set on

yes not working..only download mode show:confused:

power buten press and hold...............

Yes its a perfect solution, but slightly tricky.