Don’t worry — this is a common issue and usually easy to fix!
“SIM Card Not Detected”
What This Means (In Plain English)
Your phone cannot find the SIM card that connects you to your mobile network. Without it, you cannot make calls or use mobile data.
Common Causes
- •The SIM card is loose or inserted incorrectly
- •A dirty or damaged SIM card
- •The SIM tray is not fully closed
- •A hardware problem with the SIM card reader
How to Fix It — Step by Step
- 1
Turn off your phone completely.
- 2
Find the SIM card tray (usually on the side of the phone) and use the ejector tool or a paperclip to open it.
- 3
Take out the SIM card and check it for scratches or damage.
- 4
Gently clean the gold contacts with a soft, dry cloth.
- 5
Place the SIM card back in carefully, making sure it is properly aligned.
- 6
Turn your phone back on.
- 7
If it still does not work, try the SIM card in another phone — if it does not work there either, get a new SIM from your carrier.
How to Prevent This in the Future
Handle your SIM card carefully. Avoid removing it frequently. Keep the SIM tray clean.
Related Errors You Might See
SIM Not Provisioned
Your SIM card is not set up properly with your phone carrier. Your phone cannot connect to the mobile network to make calls or use data.
No Service
Your iPhone cannot connect to your mobile carrier. You will not be able to make calls, send texts, or use mobile data until this is fixed.
Still stuck? Don’t worry!
If the steps above did not solve the problem, ask a trusted friend or family member for help, or contact us and we will do our best to assist you.