Does the AT&T amiGO Jr. Watch 2 work on T-Mobile?

Not confirmed

We can't confirm T-Mobile enables 4G calling on this phone, which it needs to make calls. We don't recommend it for T-Mobile until we can.

Last checked 16 October 2026.

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Where the AT&T amiGO Jr. Watch 2 does work

AT&T Works

How we worked it out

2G calls: T-Mobile has no 2G network.
4G bands: Shares 4G bands with T-Mobile: B5, B12, B66.
4G calling: We haven't confirmed whether T-Mobile enables 4G calling on this phone.

About 2G: T-Mobile switched off 2G on 3 August 2026, and 3G on 1 July 2022.

About 4G calling: T-Mobile says most unlocked phones can work, but it can't guarantee phones it didn't sell and asks you to check your phone supports 4G calling.

Did it work for you?

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Could you make and receive calls? Yes No Sometimes

Did the phone show 4G calling (VoLTE) as on?

Look for a VoLTE or HD icon by the signal bars, or a 4G calling setting.

Yes No Don't know

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