How to Activate Personal Hotspot On an iPhone 4 Using AT&T Service

Follow steps below to activate personal hotspot on an AT&T iPhone 4 running iOS 4.3 or higher.

1. Upgrade to iOS 4.3 or higher.
2. Navigate to Settings > General > Network > Set Up Hotspot

   If you see message below on right side phone “To enable personal hotspot on this account, contact AT&T…” it means you don’t have a tethering data plan and will need to contact AT&T by dialing 611 from your phone or login into your online account and change data plans.

   

3. Go to http://www.att.com/mywireless and login into your account.
4. Select “Manage Features” from Quicklinks menu.

   

5. Select a tethering plan.

   

6. You will receive a text message and email confirming plan change.

   

7. The AT&T data tethering plan is now activated and Personal Hotspot feature can be used. Navigate to again to Settings > General > Network > Set Up Hotspot.

Personal Hotspot WiFi Mode and Security

Using a WiFi Scanner for Mac OS X, I was able determine that Personal Hotspot uses infrastructure mode and WPA2-Personal for security.

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Filed under: Gadgets, How To Guides