Quick-fire questions

Why is my iPhone 13 Personal Hotspot unreliable?

> Older devices may not support its 5GHz Wi-Fi frequency, or there could be interference. iPhone 12 and later models offer optional 2.4GHz Wi-Fi compatibility in Settings

> Personal Hotspot, although Apple warns internet performance and Wi-Fi security may not be as good.

Keep glasses on for Face ID?

> That depends on whether their glass blocks infra-red, required by Face ID cameras for recognition to work. If they do, remove your glasses before setting up your appearance, or add an alternative appearance if you prefer. Otherwise they should make little difference, so use whichever is more likely when you’re unlocking your device.