I bought my son an iPhone 16 directly from Apple in the UK. He is now in Japan and has a physical SIM card from Mobal, a japanese provider, but it is not working. The phone is unlocked. What else can we try to get it working. The sim does work in an iPhone 14 so the sim is ok.
[Re-Titled by Moderator]
Original Title: Using iPhone 16 with a japanese sim
iPhone 16 Pro
Did he check for a carrier settings update?
Manually update your carrier settings on your iPhone or iPad - Apple Support
There are more troubleshooting tips in this related article, including a link to contact the official Apple Support about that at the bottom of the page.
If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad - Apple Support
Did he check for a carrier settings update?
Manually update your carrier settings on your iPhone or iPad - Apple Support
There are more troubleshooting tips in this related article, including a link to contact the official Apple Support about that at the bottom of the page.
If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad - Apple Support
The Japanese SIM is not working on my iPhone 16
