Phone not reading SIM cards

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Level 1

4 points

Have fixed different simcards in my phone but it doesnot read and the cellular is saying no sim restrictions

iPhone 11, iOS 26

Posted on Aug 14, 2026 7:17 PM

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Answer 1

Level 10

160,037 points

If you get through that list, you’re headed for service: Contact Apple Support - Apple Support

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Answer 2

Level 7

30,938 points

consolate ~ As your iPhone 11 could be 7 years old, it's worth checking for a weak, aging battery (which can cause various issues.) So...

Does your iPhone 11 still have its original battery?

And what's the Maximum Capacity % here?...

Settings > Battery > Battery Health & Charging

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Answer 3

Level 10

444,052 points

Carrier Lock:- Request your iPhone’s original Carrier to unlock your iPhone and if they agree and do it, then you may know the further process here --> How to unlock your iPhone for use with a different carrier ...

To be able to use any SIM across the globe you must have "No SIM Restriction" against Network Provider Lock. Please refer to the pic below.

Settings > General > About > Network Provider Lock shovel show "No SIM restrictions."

Carrier Lock:- Request your iPhone’s original Carrier to unlock your iPhone and if they agree and do it, then you may know the further process here --> How to unlock your iPhone for use with a different carrier ...

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