Apple ID Sign-In Issues? Fix Account Access Problems
Apple ID sign-in fails or keeps prompting for password.
Screen Brightness Problems? Adjust iPhone Display
Screen is too dim, too bright, or brightness changes automatically.
NFC or Apple Pay Not Working? Fix iPhone Payments
Apple Pay or NFC features fail to work at terminals.
Storage Corruption Issues? Repair iPhone Memory Problems
Files fail to open, disappear, or storage behaves unpredictably.