iPhone Says Virus Detected? 7 Fixes, and It Is Fake
A web page cannot count anything on your iPhone.
iPhone Turns Off When You Unplug It? 6 Tests in Order
Apple files this symptom under battery issues, not charging issues.
iPhone Says User Busy? 6 Fixes, Starting With One Test
User Busy is a telephone network code, and the standard says the network can send it without the person you called ever knowing you rang.
iPhone Wi-Fi Privacy Warning? 7 Fixes, Commonest First
Nobody has broken in.
Face ID Has Been Disabled on iPhone? 7 Fixes in Order
The TrueDepth camera contains lasers your iPhone shuts down for safety.
iPhone Trust This Computer Prompt Missing or Constant?
A prompt that never appears is a fault.
iPhone Call Failed? One Test Separates Line From Phone
One call over Wi-Fi Calling tells you whether the account and the dialler are fine, which moves the whole problem onto the cellular side.
iPhone Cellular Issue Detected? No Setting Will Fix It
The fix is a reinstall from a computer, started by holding a modifier key while you click Check for Update.
iPhone Says No SIM Card? There May Be No Card at All
An iPhone 14 or later bought in the United States has no SIM tray, so the usual reseating advice cannot be followed at all.
iPhone Button Not Working? Volume, Side, or Action
Apple splits a button that is not working into eleven separate symptoms, and how the button feels decides which one you have.
