1. Your telephone issue
2. Your SIM
3. IMEI Number
4. Information about a gift
5.Sharing the OTP number
6. Nuisance calls and SMS
7.Calls from unknown numbers
8. How to obtain Vendor License
9. The phone number is not yours
10. Purchase TRCSL approved phone
11. Your identity in social media
12. Lost Mobile Phone
13. Prize from your telephone company