Use a SIM PIN for your iPhone or iPad

Don't try to guess your SIM PIN. The wrong guess can permanently lock your SIM card, which means that you would need a new SIM card.

Never try to guess a SIM PIN or PUK code.* The wrong guess can permanently lock your SIM card, and then you would need a new SIM card.

Lock your SIM card with a PIN (personal identification number) to require an identification code for phone calls and cellular-data usage.

To protect your SIM card from others using it for phone calls or cellular data, you can use a SIM PIN. Then, every time you restart your device or remove the SIM card, your SIM card will automatically lock and you'll see "Locked SIM" in the status bar. 

Don't try to guess your SIM PIN. The wrong guess can permanently lock your SIM card, which means that you would need a new SIM card.

Turn your SIM PIN on or off

  1. If you have an iPhone, go to Settings > Cellular > SIM PIN. If you have an iPad, go to Settings > Mobile Data > SIM PIN.

  2. Turn on your SIM PIN or turn it off.

  3. If asked, enter your SIM PIN. If you've never used one, enter the default SIM PIN from your carrier. If you don’t know the default SIM PIN, don't try to guess it. Check your carrier's customer service page or the documents that came with your wireless plan. Or you can contact your carrier.

  4. Tap Done.

If you forgot or don't know your SIM PIN

Never try to guess a SIM PIN or PUK code.* The wrong guess can permanently lock your SIM card, and then you would need a new SIM card. If your device asks for a PIN or code that you don't know, here's what to do:

  1. Contact the carrier that gave you the SIM card. If you aren't sure which carrier to call, remove your iPhone SIM card or iPad SIM cardand check the card for the carrier's name or logo.

  2. Ask your carrier to help you unlock your SIM card using the default SIM PIN or PUK code.

  3. If you can't unlock your SIM card using the SIM PIN or PUK code or if an alert says, "PUK exhausted," ask for a new SIM card.

Control Apple Watch with your iPhone

People with physical and motor disabilities may find it easier to control their Apple Watch from the larger screen on their paired iPhone. With Apple Watch Mirroring, users can control Apple Watch using iPhone’s assistive features like Voice Control and Switch Control, and use inputs including voice commands, sound actions, head tracking, or external Made for iPhone switches as alternatives to tapping the Apple Watch display.

Apple Watch Mirroring is available on Apple Watch Series 6, Apple Watch Series 7, and Apple Watch Series 8.

  1. Open the Settings app on the paired iPhone.

  2. Go to Accessibility > Apple Watch Mirroring, then turn on Apple Watch Mirroring.

An image that mirrors your Apple Watch display appears on your iPhone. Use gestures on the mirrored image.

  • Scroll: Swipe the display up or down.

  • Swipe between screens: Swipe the display left or right.

  • Press the Digital Crown: Tap the Digital Crown on the display.

  • Press the side button: Tap the side button on the display.

  • Use Siri: Touch and hold the Digital Crown on the display.

Reset AppleTV

If you’re having problems and Apple TV still doesn’t respond after restarting, try resetting Apple TV to its factory settings. When you reset Apple TV, all data is erased, including your accounts and configuration.

You can also reset your Apple TV and update its software at the same time.

Reset Apple TV

  1. Open Settings on Apple TV.

  2. Go to System > Reset, then select Reset.

    Resetting Apple TV and restoring it to factory settings can take some time, so be patient. If Apple TVstill doesn’t respond, do one of the following:

    • If you have an Apple TV 4K: Contact Apple TV Support.

    • If you have an Apple TV HD and a Mac with macOS Catalina or later: Disconnect the power and HDMI cables from Apple TV. Connect one end of a USB-C cable (sold separately) to Apple TV and the other end to your computer. Open the Finder on your computer, select Apple TV in the sidebar, then select Restore. If that doesn’t work, contact Apple TV Support.

    • If you have an Apple TV HD and a PC with iTunes or a Mac with macOS Mojave or earlier:Disconnect the power and HDMI cables from Apple TV. Connect one end of a USB-C cable (sold separately) to Apple TV and the other end to your computer. Open iTunes on your computer, select Apple TV in the Source list, then select Restore. If that doesn’t work, contact Apple TV Support.