Samsung os7070 version 4.70
i upgraded to 4.99 but after upgrade PBX start and then reset (not working)
by mistake from DM ---util---file control i deleted boot file of 4.70 now i am not able to boot from 4.70 any more and by 4.99 it start and then reset .

I dont have ver 4.70 if some one can send me or is there any way to bring it on default mode itried to bring on default by pressing reset button for 10 seconds but no change.