Finding your device's unique identifier doesn't have to be a headache. Whether you're selling your phone, filing a repair claim with Apple Support, or checking warranty coverage, you need to know how to locate your device info quickly.
Your iPhone serial number is a alphanumeric string that acts as your hardware's distinct fingerprint. The fastest way to find it is right inside your device settings. Open the Settings app, tap General, and select About. The serial number sits near the top of that screen. If your screen is broken or won't turn on, you still have several reliable ways to track it down.
Locate Your Serial Number in Settings
When your phone is working normally, the software interface gives you instant access to all hardware identifiers.
- Open Settings from your home screen or app library.
- Tap General.
- Select About.
- Look for Serial Number.
If you need to paste this string into a support form or warranty check page, touch and hold the number until the Copy prompt appears, then tap it. This menu also houses your IMEI, MEID, and ICCID numbers, which cellular carriers often require if you're switching networks or reporting a lost device.
Find the Serial Number Without Turning on the Phone
What happens if your display is completely dead or the phone won't boot past the Apple logo? You can still retrieve the serial number using secondary hardware or computer software.
Check the Original Packaging
If you kept the small white box your phone came in, look at the back or bottom panel. You'll find a white barcode sticker containing multiple labels, including the serial number, IMEI, and part number. This is often the easiest backup method if the device is unusable.
Use a Mac or Windows PC
Your computer can read the device hardware info even if the phone screen is black, provided the computer trusts the device or you can enter recovery mode.
- Connect your iPhone to your computer using a USB cable.
- Open Finder on a Mac running macOS Catalina or later, or open iTunes on older Macs and Windows PCs.
- Locate your device in the sidebar and click on it.
- Click the model name or phone number right beneath your device name to cycle through hardware views until the serial number appears.
Check Your Apple Account
Every device linked to your active Apple Account stores its hardware specs in your cloud profile, even if you don't have the physical hardware nearby.
- Visit Apple Account on any web browser.
- Sign in using the Apple ID credentials tied to the device.
- Scroll down to the Devices section.
- Click on your iPhone to view a pop-up window showing the serial number and IMEI.
You can also check this from another iOS device currently signed into your account by going to Settings, tapping your name, scrolling down to your device list, and selecting the target phone.
Physical Locations on the Device Hardware
Apple prints or etches hardware numbers directly onto the body or components of certain phone models. Where you look depends entirely on which generation you own.
- SIM Tray: On modern models like the iPhone 13 series and newer, the physical nano-SIM tray (where applicable) has the IMEI/MEID micro-etched directly onto its surface. You'll need a paperclip or SIM ejector tool to pop the tray out under bright light.
- The Back Glass or Housing: Older devices feature identifying text directly on the rear aluminum or glass chassis. For instance, iPhone 6 and iPhone SE (1st generation) models have the serial and IMEI details engraved on the back casing.
- Activation Screen: If you factory reset your phone and it's sitting on the initial "Hello" setup screen, don't panic. Tap the small Info icon (an encircled letter "i") in the bottom-right corner of the display to reveal the serial number without completing the setup process.
Common Mistakes to Avoid
People often run into roadblocks because they confuse different hardware identifiers or look in the wrong places.
- Confusing Serial Number with IMEI: The serial number identifies the specific manufacturing run and device build for Apple's internal warranty tracking. The IMEI (International Mobile Equipment Identity) identifies the device on cellular networks. While both are important, tech support agents usually specify which one they need. Don't give an IMEI when a serial number is requested.
- Typing Errors: Because serial numbers mix uppercase letters and numbers (such as zeros and capital "O"s), manual transcription leads to errors. Always copy and paste the text digitally whenever possible.
- Looking on Old Receipts: While retail invoices list the purchase date and store location, most modern electronic receipts from carrier stores or big-box retailers only display the IMEI or part number, omitting the exact hardware serial number. Rely on your Apple Account or device box instead.
Frequently Asked Questions
Can someone steal my iPhone using just the serial number?
No. A serial number alone doesn't give anyone access to your personal data, iCloud account, banking apps, or location. People only use it to check warranty status or verify device authenticity when buying second-hand hardware.
Why does my serial number start with letters instead of numbers?
Apple serial numbers encode manufacturing details, factory locations, and production timelines into the first few characters. Newer iPhones use randomized alphanumeric sequences, but older models used specific prefixes to denote where assembly took place.
How do I check my warranty using the serial number?
Copy your serial number and head to the official Check Coverage portal provided by Apple. Pasting the code there reveals your active warranty status, hardware repair coverage, and telephone technical support eligibility.
What should I do if the serial number in settings doesn't match the box?
If you bought the phone brand new from an authorized retailer, a mismatch is rare and usually points to a sorting error at the warehouse. If you bought a pre-owned device, a mismatch strongly suggests the phone was repaired with a replaced rear housing or logic board swap.