Unlocked ATT iPhone 11 won’t activate TMobile sim card

Any ideas why an unlocked ATT iPhone 11 will not activate TMobile SIM card? We have two iPhones and watches, tried switching from long time ATT carrier due to better coverage with TMobile …. Now none of our devices work. They are verified “unlocked” by ATT.

iPhone 11, iOS 15

Posted on Sep 2, 2022 10:50 AM

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3 replies

Sep 2, 2022 11:01 AM in response to pkeye

pkeye wrote:

Any ideas why an unlocked ATT iPhone 11 will not activate TMobile SIM card? We have two iPhones and watches, tried switching from long time ATT carrier due to better coverage with TMobile …. Now none of our devices work. They are verified “unlocked” by ATT.

did you do this How to unlock your iPhone for use with a different carrier - Apple Support if you did then you need to get with Tmobile, not an Apple or iphone issue.

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Unlocked ATT iPhone 11 won’t activate TMobile sim card

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