i got a set nk 6670.it cant on..i try to flash with twister but it said 1st boot error....any solution of tis...thx

Clean connector, press cable harder....

br,
fingusio

tis the message

1st boot err: bad resp upp, 02 ff ff 72
1st boot err: bad resp dct3
rebooting mobile

replace uem. experience many times
:)

Do not disasemble phones which are software damaged !!!!!

And if you can`t repair it, just take it to a pro :)

try to rehot the ram ic it is the glass ic. most of the times this ic is the reason