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How to do data settings in each mobile phone models
True dtac customers can easily set data settings, select Network 4G/5G or enable VoLTE from your own mobile phone. Convenient and fast, just select the mobile phone brand below. Then follow the steps.
What should customer prepare before traveling abroad?
Get prepare for travelling abroad with these essential tips on activating roaming services via True I Service, giving you convenience throughout your trip
How to check International Roaming Service via True iService App
How to check roaming charges and purchase additional packages via True I Service app is easy and convenient in a few steps. You can check anytime, anywhere
How to block Fraud or Spam Messages from unknown Caller for iOS
Blocking fraudulent SMS and unwanted phone numbers on iOS and Android, you can easily prevent spam and unwanted calls.