I want reset user lock code of s259 tata
any one help me please

i ve not tried yet but u can set phone's modem port between 2-4 and try with unicdma.

OR best u can flash it with CHINACOM flash file using sampst - it would b a better option. UR phone would b a RUIM compatible.

use this code
amsung slim unlock no
47*869#123580
the phone will show test mode
press 022
the phone will show send nam
press * then A is not on displayafter a 4 digit no is ur lock code
after press any key
samsung-n191Press *759#813580
the phone will show test cdma
press 22
the phone will show send nam
press 0000000000000(13 times)
on the screen numbers are displayed
the last four digits after A is the lock code
FOR PRL TEST MODE PRESS 31 AFTER THIS 200451 # PRESS 02 AND COME OUT
if not sucess use pst and press rebuiled only

With sim or with out sim
after pressing 5555555 phone shows
0300-3003003
022

Open text mode by using 47*869#123580.press022.press "5555555" till wating A come after (A)
first 4 digite r lock code