# Find Your iPhone's Serial Number: How It Works URL: https://byshahid.com/blog/find-your-iphones-serial-number/ App: Secret Codes: IMEI & Carrier (https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322) Author: Muhammad Shahid Updated: 2026-11-04 > The identifier Apple Support and warranty checks use. The serial number identifies your iPhone to Apple — warranty status, repair history and AppleCare all key off it. It is different from the IMEI, which identifies the cellular modem to carriers. It is also printed on the original box and, on models with a SIM tray, etched on the tray itself. - **What it does:** The identifier Apple Support and warranty checks use. - **Published for:** any iPhone - **Type:** iOS setting The identifier Apple Support and warranty checks use. This page explains what it does, how to use it on an iPhone and which carriers it applies to. I build **Secret Codes: IMEI & Carrier**, a free iPhone app with 317 checked codes and guides, including this one. If you would rather tap than memorise, [get Secret Codes on the App Store](https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322). ## What is Find Your iPhone's Serial Number? The serial number identifies your iPhone to Apple — warranty status, repair history and AppleCare all key off it. It is different from the IMEI, which identifies the cellular modem to carriers. It is also printed on the original box and, on models with a SIM tray, etched on the tray itself. ## How do I do it? - Open the Settings app. - Tap General, then About. - Find the Serial Number row. - Touch and hold it to copy. ## Which carriers does this apply to? | Published for | any iPhone | | Type | iOS setting | | Good to know | Available on every iPhone. | _Screenshot: The Secret Codes detail screen shows the steps, the carriers and an Open in Phone button._ ## Related sim and esim - [Choose Your Default Line](/blog/choose-your-default-line-iphone/) - [Label Your Dual-SIM Lines](/blog/label-your-dual-sim-lines-iphone/) - [Find Your Own Phone Number](/blog/find-your-own-phone-number-iphone/) - [Set A SIM PIN](/blog/set-a-sim-pin-iphone/) - [Remove An eSIM](/blog/remove-an-esim-iphone/) - [Transfer An eSIM To A New iPhone](/blog/transfer-an-esim-to-a-new-iphone/) See all [sim and esim](/blog/iphone-codes/sim-and-esim/) or [every category of iPhone codes](/blog/iphone-codes/). ## How Secret Codes helps Secret Codes keeps this and every other entry a search away. Pick your carrier once and each entry says whether it is published for your line. You can save favourites, add a private note, and record whether a code worked on your line. **Secret Codes: IMEI & Carrier** is free on the App Store: https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322 ## FAQ ### What is Find Your iPhone's Serial Number on iPhone? The identifier Apple Support and warranty checks use. The serial number identifies your iPhone to Apple — warranty status, repair history and AppleCare all key off it. It is different from the IMEI, which identifies the cellular modem to carriers. ### What else should I know about Find Your iPhone's Serial Number? It is also printed on the original box and, on models with a SIM tray, etched on the tray itself. ### What are the steps for Find Your iPhone's Serial Number? 1. Open the Settings app. 2. Tap General, then About. 3. Find the Serial Number row. 4. Touch and hold it to copy. ### Where do I find Find Your iPhone's Serial Number? In the Settings app on your iPhone. ### Is there a dial code for Find Your iPhone's Serial Number? No. On iPhone this is not a dial code, so you use the steps on this page instead. ### Which carriers does Find Your iPhone's Serial Number work on? It is published for any iPhone. Available on every iPhone. ### Does Find Your iPhone's Serial Number work on Android phones too? These steps are for iPhone. Android phones have their own menus. ### Will Find Your iPhone's Serial Number work outside the US? The iPhone steps stay the same, although some features depend on your carrier and region. ### What if Find Your iPhone's Serial Number does not work on my iPhone? Check that it applies to your carrier first, because carriers decide which services they offer and can change them. If it should apply to your line, contact your carrier. ### What is related to Find Your iPhone's Serial Number? Choose Your Default Line. Decide which number calls and texts go out from. ### What else is in this category? Label Your Dual-SIM Lines. Name each line so you always know which one is calling. ### Can I find Find Your iPhone's Serial Number in an app? Yes. Secret Codes, a free iPhone app, includes it with its steps and carrier details. ## Sources - [Apple Support: iPhone User Guide](https://support.apple.com/guide/iphone/welcome/ios)