Philippines

What is an LTE Upgrade SIM?
-LTE Upgrade SIM allows existing Smart, Smart Bro, TNT, Sun, and SBW non-LTE SIM subscribers to upgrade their SIM to LTE 


Upgrading to an LTE SIM is easy!

Note: Before you start with the SIM upgrade process, make sure to back up your current SIM’s contents i.e., contacts, messages, etc.
1. Turn off your phone. Remove your old SIM and replace it with the LTE Upgrade SIM.

2. Turn on your phone and wait for the SMS instruction from 3723. Reply to the message with your mobile number.

3. Wait for the SMS confirmation. Do not use your phone for at least 15 minutes.