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AIS super slow & always losing connection. Bought this SIM at the airport, but it is insufficient for internet voice or video calls. Tested speed 8Mbps - any thoughts how i could
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Amazon.com: Thailand 3G/4G Prepaid Data Sim card/【UNLIMITED Data 7 Days】 : Cell Phones & Accessories
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Thailand's no. 1 tourist SIM card "dtac Happy" welcomes tourists back to Thailand with free doubling of SIM card validities
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