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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 App
How to check roaming charges and purchase additional packages via True App is easy and convenient in a few steps. You can check anytime, anywhere

How to register True SIM via True App
Quick and Easy SIM Registration. No need to visit a store or call customer service. Register your prepaid or postpaid SIM easily through True App.