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ReiBoot: No.1 iOS Repair Tool
Fix 150+ iOS Issues, No Data Loss
If you’re trying to set up your new device but keep seeing iPhone not activated, don’t panic. It’s a common issue many people face when they start their how to activate iPhone Air process. In this simple guide, we’ll show you how to fix activation problems quickly and easily. Whether your screen is stuck or live activities iPhone features aren’t working right, we’ve got you covered. Just follow the steps to get your phone up and running without any errors. Let’s make sure your activates smoothly and works just the way it should.
The iPhone 17 Air is Apple’s latest addition to its iPhone lineup, designed to combine powerful performance with a sleek, lightweight build. Think of it as the perfect blend of speed, style, and simplicity. The “Air” in its name highlights its ultra-thin and light design — making it easier to hold, carry, and use all day long.
Inside, the iPhone 17 Air packs Apple’s newest A18 Bionic chip, giving you faster processing, smoother multitasking, and better battery life. Whether you’re gaming, streaming, or using live activities iPhone features, it runs effortlessly. It also comes with improved camera quality, enhanced AI features, and upgraded iOS 18 software that makes the phone even smarter.
Setting up your iPhone 17 Air is quick and simple, but sometimes users face the iPhone not activated message during setup. Don’t worry — it’s usually easy to fix. Below are clear, step-by-step guides to help you activate your device and enable features like Find My iPhone, Siri, and cellular activation without any issues.
When setting up your iPhone 17 Air, it needs to connect to Apple’s servers for activation. Sometimes, you may see a message like iPhone not activated — usually because of a network issue, SIM problem, or Apple’s activation server being busy. Here’s how to fix it safely.
Step 1: Turn on your iPhone and choose your language and region.
Step 2: Connect to a stable Wi-Fi network or insert an active SIM card with cellular data. Activation won’t work without an internet connection.
Step 3: If the screen shows “iPhone not activated,” restart your device. Press and hold the side and button until you see “slide to power off.” Wait a few seconds, then turn it on again.
Step 4: If the message still appears, connect your iPhone to a computer. Use Finder (on Mac) or iTunes (on Windows). Once connected, your computer will detect the iPhone and automatically start the activation process.
Step 5: If prompted, install the latest iOS update. Sometimes activation fails because your iPhone’s software is outdated.
Step 6: If you still can’t activate, check that your SIM is active and not locked. You can try another SIM or contact your carrier for help.
After these steps, your iPhone should activate successfully. If the problem continues, visit Apple’s official support site for further help.
The Find My iPhone feature helps you locate, lock, or erase your phone if it’s lost or stolen. Activating it right after setup keeps your data safe and also enables Activation Lock, preventing anyone else from using your device.
Step 1: Open the Settings app on your iPhone.
Step 2: Tap your name at the top to open Apple ID settings.
Step 3: Tap Find My → Find My iPhone.
Step 4: Toggle Find My iPhone to ON. You can also turn on Find My network and Send Last Location to get your phone’s last known location if it goes offline.
Step 5: Enter your Apple ID password to confirm and activate Find My iPhone.
That’s it! Your iPhone 17 Air is now secured, if you ever lose it, you can locate it through the Find My app on another Apple device or at iCloud.com/find.
Siri is Apple’s built-in voice assistant, and activating it makes your daily use easier — from sending texts hands-free to setting reminders or searching online. Here’s how to activate Siri on iPhone in a few seconds.
Step 1: Go to the Settings app.
Step 2: Scroll down and tap Siri & Search.
Step 3: Turn on Listen for “Hey Siri” and Press Side Button for Siri.
Step 4: Follow the on-screen setup to train Siri to recognize your voice.
Step 5: Check other options like Allow Siri When Locked if you want to use it without unlocking your phone.
Once done, say “Hey Siri” and try commands like “What’s the weather?” or “Call Dad.” You’ve now successfully activate Siri on iPhone Air and can enjoy hands-free help anytime.
If your iPhone isn’t activating over a cellular network, it usually means there’s an issue with your SIM, network settings, or carrier setup. These steps help you bypass cellular iPhone activation the right way — without any risky methods.
Step 1: Make sure your SIM card is inserted properly. If you’re using an eSIM, go to Settings → Cellular → Add eSIM, then follow your carrier’s instructions.
Step 2: Restart your phone and try activation again using Wi-Fi instead of cellular. Wi-Fi is often more stable during the setup.
Step 3: If activation still fails, check if your iPhone is carrier-locked. Go to Settings → General → About → Carrier Lock. If it says “No SIM restrictions,” the phone is unlocked. If not, contact your carrier for help.
Step 4: Reset your network settings by going to Settings → General → Transfer or Reset iPhone → Reset → Reset Network Settings. This removes old Wi-Fi and cellular configurations that may cause problems.
Step 5: Try activation again. If it still doesn’t work, connect your iPhone to a computer with Finder or iTunes, and follow the activation prompts.
Step 6: If you’re using a new SIM or eSIM, contact your carrier to make sure it’s active and linked correctly to your device.
If your iPhone 17 Air is showing iphone not activated or acting buggy during setup, a system-repair tool can often fix the problem faster than long manual troubleshooting. One well-known option is Tenorshare ReiBoot, a PC/Mac program that repairs many iOS issues (it can fix stuck screens, boot loops and more) and offers a “Standard Repair” mode that tries to preserve your data while fixing system bugs.
Follow these accurate, easy steps to use ReiBoot to fix activation-related bugs:
Activating your iPhone 17 Air is usually quick but activation errors can be frustrating. Start with basic checks like charging your phone, connecting to Wi-Fi, and using a working SIM. Try restarting or using Finder or iTunes if needed. Enable Find My and Siri after activation to keep your phone secure and easy to use. If software bugs block activation, a repair tool like Tenorshare ReiBoot can help by downloading the correct firmware and fixing system errors without complicated steps. Use the Standard Repair option and follow the on-screen prompts. Follow these steps and consider ReiBoot as a safe, easy solution when simple fixes don’t work.
Yes, you can. Just turn on your iPhone, connect to Wi-Fi, and follow the on-screen setup instructions. If the phone keeps showing “iPhone not activated,” you may need to complete activation using a computer through iTunes or Finder.
This usually happens when the phone can’t reach Apple’s servers or your SIM card isn’t being detected properly. Make sure you’re connected to Wi-Fi and insert a working SIM card. If it still doesn’t activate, use Tenorshare ReiBoot to repair system errors that might be blocking the activation.
Yes, temporarily. Connect to Wi-Fi during setup instead of using a SIM card. This lets you access most features except calling and texting. Once you insert a valid SIM later, your device will fully activate with cellular service.
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By Jenefey Aaron
2025-10-20 / iOS 26