Why won't my iPhone let me turn on Wi-Fi or Bluetooth?
wifi and bluetooth greyed out iPhone 12
iPhone 12, iOS 18
MartinoPer ~ As your iPhone 12 could be 4½ years old, it's worth checking for a weak, aging battery which can cause various issues. So...
Does your iPhone 12 still have its original battery?
And what's the Maximum Capacity % here?...
Settings > Battery > Battery Health & Charging
õ¿õ¬