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No SIM card problem

I bought an iPhone 7 Plus with cracked screen when I put my SIM card at fist it works but 1 minute after the phone says no card sim I tried multiple times but the same problem appears

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I have No Sim problem too..how to fix this?

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선택된 답변

Plausible cause.

-Carrier Locked

-Damaged Sim Reader, really difficult especially with Phones.

-Carrier Settings need to be updated.

*Leave sim in unit, connect to wifi, go to Settings > General> About. This should trigger a carrier update, or simply updating the phone.

-Check Settings > General > Scroll down to Profiles

*Should be in the same area as VPN, and see if a profile from the previous user is interrupting the service (This is primarily dependent on your region/carrier service).

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I work at an electronics repair store, most of the time the solution is either a new sim card, or reset network settings (you'll have to reenter wifi passwords, but your phone will probably work, worth it).

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Juan's first suggestion is very likely, a straight talk or other prepaid carrier locked phone will appear as though it is receiving a signal and it will then fade away. look up the model number on a site like everymac.com for its specs. you will want the model listed under the Settings > General> About area, the model description on the back of the phone is generic

i have one iPhone 7 no sim card problem phone looking mother board issue plz help me any friends

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How can i undo the carrier problem wen ever i put in the line it says invalid sim, ie tht the carrier is not meant for tht sim, what can I do about this

I have an iphone 7

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