What’s the reason “Don’t support this accessory” to charge my iPhone?

If you’re charging your iPhone, you’ll see the prompt “This accessory is not supported, ” which can occur for several reasons, and such a prompt can occur in the following situations: 1. Accessories are faulty, damaged, or not Apple-certified (see MFi certification here); 2. Accessories do not support your device; 3. The iOS device interface…