What a MAC address is and why you might need yours
A MAC address is a unique identifier assigned to your iPhone's network hardware — think of it as a serial number for the part of your phone that connects to WiFi or Bluetooth. It's a string of letters and numbers like a4:c3:f0:2b:8e:1d.
You'll need your iPhone's MAC address when you're setting up a WiFi network that only allows certain devices to connect, when troubleshooting network problems with your internet provider, or when registering your phone on a corporate or school network. Most people never need it, but when you do need it, you need it quickly.
Your iPhone actually has two MAC addresses — one for WiFi and one for Bluetooth — and they're different. Most of the time, when someone asks for your MAC address, they mean the WiFi one.
Key Takeaways
- Your iPhone's WiFi MAC address is found in Settings > General > About, listed as "WiFi Address" on the screen.
- Your Bluetooth MAC address is on the same screen, listed separately as "Bluetooth Address".
- The MAC address changes if you reset your network settings, but stays the same otherwise.
- You cannot change your MAC address on an iPhone without using a computer and specialized software, and doing so may violate your network's terms of service.
Finding your WiFi MAC address on iPhone
Open the Settings app on your home screen. Tap General, then scroll down and tap About. Scroll through the list until you see WiFi Address — that's your MAC address. It will be a string of six pairs of letters and numbers separated by colons, like a4:c3:f0:2b:8e:1d.
Write it down or take a screenshot before you close the screen, because you'll need it to give to whoever asked for it. The address won't change unless you reset your network settings or restore your iPhone from scratch.
Finding your Bluetooth MAC address
The Bluetooth MAC address is on the same About screen in Settings. Scroll down past the WiFi Address and look for Bluetooth Address. It follows the same format as the WiFi address but will be a different set of numbers and letters.
You'll rarely need the Bluetooth address unless you're pairing your iPhone with a specialized device or connecting to a Bluetooth network that requires registration. If someone asks for your MAC address without specifying which one, they almost always mean the WiFi address.
What to do if you can't find the MAC address
If the About screen doesn't show a WiFi Address or Bluetooth Address field, restart your iPhone and check again. Sometimes the screen needs to refresh to display all the information.
If you're still not seeing it after a restart, make sure you're running the current version of iOS. Go to Settings > General > Software Update and install any available updates, then return to the About screen. Older iOS versions sometimes display network information differently or in a different location.
Why your MAC address might change
If you reset your network settings — by going to Settings > General > Reset > Reset Network Settings — your iPhone will be assigned a new MAC address. This is intentional: resetting network settings clears all your saved WiFi passwords and network configurations, and the new MAC address comes with that fresh start.
Restoring your iPhone from a backup will keep your old MAC address. Only a full factory reset or a network settings reset will change it. If you've given someone your MAC address and then reset your network settings, let them know the address has changed so they can update their records.
Understanding MAC address filtering and when it matters
Some networks use MAC address filtering to control which devices can connect. A school or workplace might maintain a list of approved MAC addresses, and only devices on that list can join the network. If you're trying to connect to a filtered network and it keeps rejecting you, the network administrator may need your MAC address to add your iPhone to the approved list.
MAC address filtering is a real security tool, but it's not foolproof — someone with technical knowledge can spoof a MAC address (make their device pretend to have a different one). It's most commonly used in environments where you need accountability rather than absolute security, like a school computer lab or a corporate office.
Frequently Asked Questions
Can I change my iPhone's MAC address?
Not through the Settings app. You would need a computer, specialized software, and the ability to jailbreak your iPhone, which voids your warranty and may violate your network's terms of service. Most people have no reason to change it, and doing so can cause connection problems.
Is my MAC address the same as my IP address?
No. Your MAC address is a hardware identifier that stays the same on your local network. Your IP address is assigned by your WiFi router and can change. They serve different purposes — MAC addresses identify devices on a local network, IP addresses route data across the internet.
Can someone track me using my MAC address?
Only on the same local network where your iPhone is connected. Someone on your home WiFi could theoretically see your MAC address, but they can't track you across the internet or identify you personally from it alone. Public WiFi networks can see your MAC address, which is why some people use MAC address randomization on public networks.
What if I'm asked for my MAC address but I'm not sure I should give it?
Ask who is asking and why. Legitimate reasons include network registration at a school or workplace, troubleshooting with your internet provider, or setting up a device on your own home network. If someone you don't know is asking for it, you can safely decline — your MAC address alone doesn't expose personal information, but it's still reasonable to be cautious about sharing device details with strangers.