Why is my iPhone not detecting the SIM card?
Sim has always worked up until now
[Re-Titled by Moderator]
Question marked as
Have you tried and see if you're in need of a carrier settings update?
- Make sure that your device is connected to Wi-Fi or a cellular network.
- Tap Settings > General > About.
- Follow the onscreen instructions to install your carrier update.
if not. if it is a physical sim, you might need to contact your carrier and have. that replaced