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Error Message locked SIM card & Invalid SIM

Purchased a new unlocked iPhone SE 128GB to replace a SE 64GB. Moved SIM over and completed activation with Sprint than began getting this message “The SIM card has locked. Please power cycle the device If problem persists contact Customer Service” followed minutes by “Invalid SIM”.


Did a reboot, a reset, and carrier updates and it still occurs.


Should I just return the phone or is there a reason behind this issue that can be fixed?


iPhone SE

Posted on Jan 24, 2019 6:00 PM

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5 replies

Jan 24, 2019 7:01 PM in response to Lawrence Finch

I've seen several news articles in the last few hours. This is a prime example:


Sprint subscribers: What do your updated iPhone and Tonga have in common? Both are cut off from the world


"Sprint support acknowledged the incoming complaints via Twitter. "Some Sprint customers with iPhone X, iPhone XS and iPhone XR are experiencing service issues," spokespeople for the US mobile network said. "Our teams are working to resolve the issue as quickly as possible."

Sprint characterized the issue as "a nationwide outage affecting iPhone X/XS/XR devices," and said it working to resolve the issue as quickly as possible."


According to some other reports, it's not just X series devices. It looks like it is affecting any device from the 6 on up with 12.1.3, which would of course, include the SE.

Error Message locked SIM card & Invalid SIM

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