No Sim Card Installed Iphone 4s

Navigate to if you see no sim alert on iphone then follow the step by step instructions. Image from ifixit. Nowadays all networks use sim cards to store their subscribers phone numbers.

no sim card installed iphone 4s

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Test for a malfunctioning sim card.

No sim card installed iphone 4s.

Activate iphone without sim card using simple method iphones are great gadgets to begin with and there are no doubt about the security integrity and the features offered on these devices.
Iphone sim trays vary in color and size for each iphone model.
Make sure that you have an active plan with your wireless carrier.
Update your iphone to the latest version of ios.

If you get an alert that says invalid sim or no sim card installed follow these steps.
If your iphone still says it has no sim your sim card could have a hardware problem.
Or iphone says no sim card installed when there is one.
There could be a physical problem with your sim card or sim tray that is leading your iphone to think theres no sim card installed.

Here are some steps you can take to try to solve this problem.
As a matter of facts its a headache that makes a nuisance to users of all models such as iphone 55s iphone 66 plus iphone 6s6s plus even the latest iphone 77 plus.
However activation of an iphone requires a valid sim card and you cant activate iphone without sim card inside the phone like it could be done in ipads.
Go to settings general about.

One way to test this is by inserting a sim card from another cell phone that you know works fine.
Make sure to use the correct size standard microsim or nanosim for your phone.
Is this an iphone you recently purchased.
Check for a carrier settings update.

Before the iphone 5 carriers like verizon and sprint who use cdma technology used the iphone itself to link a persons phone number to the cellular data network not a separate sim card that would be placed inside.
Apple article if you see no sim alert on iphone if you see an invalid sim or no sim card installed alert on your iphone view this info.
If you get an alert about the sim card in your iphone.
If you get a pop up on your iphone telling you no sim card is installed or you see no sim in the top left corner instead of your signal this can be caused by either a software or hardware issue.