Have you ever tried sending a text on your iPhone only to see the frustrating “Message Blocking Is Active” alert? This error means your message can’t be delivered. Don’t worry—this guide will help you troubleshoot and fix the issue quickly, even if you’re new to iPhones!
Why Does the “Message Blocking Is Active” Error Happen?

Before diving into solutions, let’s explore common causes:
1. Blocked Contacts
If you’ve blocked the recipient (or they’ve blocked you), messages won’t go through. Always check your blocked list first!
2. Carrier Restrictions
Your mobile carrier might restrict messaging due to billing issues, network outages, or plan limitations (e.g., data-only plans).
3. Incorrect Settings
Outdated carrier settings, wrong date/time, or disabled SMS/MMS can trigger this error.
4. Software Glitches
Occasional iOS bugs or iMessage failures might block messages temporarily.
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10 Simple Fixes for the “Message Blocking Is Active” Error
1. Check If You’ve Blocked the Recipient
Steps:
- Go to Settings → Phone → Blocked Contacts.
- If the number is listed, tap Edit → Unblock.
- If not, dial *67 + their number to check if *they’ve* blocked you.
2. Verify the Recipient’s Number
Typos happen! Double-check the number before resending.
3. Restart iMessage
Steps:
- Open Settings → Messages.
- Turn off iMessage, wait 10 seconds, and then turn it back on.
4. Reinsert Your SIM Card
For physical SIM users:
- Eject the SIM tray, realign the card, and reinsert it.
5. Fix Date & Time Settings
Incorrect settings disrupt messaging:
- Go to Settings → General → Date & Time → Enable Set Automatically.
6. Update Carrier Settings
Steps:
- Navigate to Settings → General → About.
- Install any pending carrier updates.
7. Update iOS
Software bugs often get fixed in updates:
- Visit Settings → General → Software Update to install the latest iOS.
8. Reset Network Settings
Steps:
- Go to Settings → General → Transfer or Reset iPhone → Reset Network Settings.
- Enter your passcode to confirm.
9. Check Your Cellular Plan
Ensure your plan supports SMS and hasn’t expired or exceeded limits.
10. Reach Out to Apple Support
For hardware-related issues, visit an Apple Store or contact support online.
Preventing Future Messaging Errors
- Regularly update iOS and carrier settings.
- Confirm that contacts aren’t blocked accidentally.
- Keep your cellular plan active and SMS-enabled.
FAQs
1. Does “Message Blocking Is Active” mean I’m blocked?
Possibly! Check your blocked list first, then test with *67 to see if the recipient blocked you.
2. Can Wi-Fi cause this error?
No—SMS requires cellular service. Ensure your cellular data is active.
3. Will resetting network settings delete my data?
No, but it erases saved Wi-Fi passwords and VPN settings.
4. Why does my carrier affect messaging?
Carriers manage SMS delivery. Billing issues or outages can block texts temporarily.
5. How do I know if it’s an iOS bug?
If multiple fixes fail, update iOS or contact Apple Support for help.
Final Tips
The “Message Blocking Is Active” error is usually easy to fix. Start with unblocking contacts and updating settings, then escalate to carriers or Apple if needed. Share your success story in the comments!
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