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T2121
4 years agoNew Contributor
Onstar Service provider
Is at&t the only service provider for onstar? How can I switch from at&t?
Thanks
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- Advisor_KaitlynContributor
AT&T is the only service provider for the 4G LTE Wi-Fi Hotspot within GM vehicles. Data Plans for this can be purchased through OnStar or directly through AT&T.