Just Dail *222*2#
On-Net = Within the network. For eg: Uninor to Uninor calls/sms. Off-Net = Outside the network. For eg: Uninor to Airtel (and others) calls/sms.
It is possible to convert uninor 2G to 3G via SMS. To do this, you must send all SMS on your phone to the number 58355 with the command SMS ALL.
just dail *363*4#
Sms to 1411.
If u are in mumbai sms dct to 9172091720
dial *149#
To check the sms balance on has to contact to one's customer care. Each service provider has different code for checking the sms balance hence, it varies each time. Therefore, Contact the customer care and know the code.
dial *222*2#
*222*2#
*222*2#balance enquiry number
You can first go into settings and see what the balance is. There is also the option of signing into your account to check the information.
One can call in and check, go to the booth or store and ask to print out a statement, or one could go online and log in to check your balance that is left on the card.