March 23, 20205 yr Wondering what the mobile network coverage is like for True, AIS, DTAC in Chiang Mai and Lamphun provinces. Years ago True was bad for me outside of CM so I went with AIS. Wondering what people's experiences are as looking to get a new SIM and was thinking DTAC possibly. Thanks
March 23, 20205 yr True was fine for me outside of CM including Lamphun, maybe look into getting a new phone, make sure it supports UMTS850/900 and LTE900, 1800, 2100
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