In a past 6 months ATT announced free WIFI 2 times, this is the 3rd and let's hope it will stay with us.
Follow these steps to get free WIFI at the hotspot of interest:
- Activate Wi-Fi from the settings icon on your iPhone
- Select "attwifi" from the list of available networks
- Enter your 10-digit mobile number and check the box to agree to the Acceptable Use Policy. Tap 'continue'
- You will receive a text message from AT&T with a secure link to the AT&T Wi-Fi hotspot. You will not be charged for the text message.
- The SMS link will only be valid for 24 hours at the location it was requested. Another request must be submitted when using another hotspot location.
- Open the text message and tap on the link for 24-hour access to the AT&T Wi-Fi hotspo
Read full info from here
Please share your experience with Free Wifi and if you have any hacking tips post them in comments