Adding funds to Apple id
Hi, so I'm trying to add funds to my son's Apple id on his device but when I select an amount a tick appears but the next button remains greyed out so I can't proceed
Do you have Family Sharing set up? Have you tried using App Store/iTunes gift cards?
App Store & iTunes Gift Cards by Email
Do you have access to another WiFi network where you can try? That has worked for several people.
Try a restart.
Restart your iPhone, iPad, or iPod touch
Try a forced restart.
If necessary
Do a backup and try a factory reset. Then restore from your backup.
Backup - Restore your device from an iCloud or iTunes backup
If necessary, contact iTunes Support. Either use the form or scroll to the bottom of the page in the 2nd link. Follow through the screens to get a chat or telephone option.