Shashwat Bajpai posted an answer for this Samsung Star GT-S5233 Cell Phone:
"1.remove simcard 2.press SOS dial 112 3. hold lock key(side button) 4.press..."
Shashwat Bajpai posted a question about Samsung Star GT-S5233 Cell Phone:
"when i insert my sim card my phone gives a message sim unavailable please contact service..."