Type REGI and send sms to 1000.
In reply you will receive a confirmation message where the PIN code number for balance transfer will be given.
To Transfer Balance by Built in SIM option (Search SIM menu at Mobile menus )
New Balance Transfer Process
Transfer Balance-> Give Receiver's Mobile Number -> Confirm Mobile No -> Give Amount ->
Confirm Amount -> Give PIN
New Pin Change Process
Give Old PIN-> Give New PIN-> Confirm New PIN Register
To Transfer Balance by SMSType BTR(space)****(PIN)(space)0171***(mb no)(space)100(amount) and send sms to 1000
Example: BTR 1234 017XXXXXXXXXX 50 and send sms to 1000
To Change PIN by SMSType CPIN (space) OLDPIN (space) NEWPIN (space) NEWPIN and send sms to 1000
Example: CPIN 1234 4321 4321 and send sms to 1000