To use your new AT&T 3G or 4G phone with an AT&T MicroCell, it must be within signal range and added to the approved user list.
To add a new device to your approved user list, from the home screen of the device you set up as the AT&T MicroCell's primary number, tap the Text Messaging icon. Note:You can also add an approved user by logging in at www.att.com/microcell using your myAT&T account information.
Tap the New Text Message icon to send a message to a new recipient.
Enter the short code 6235 (MCEL) as the recipient of the text message.
In the message field, enter Add followed by the number to add to the Approved User List (e.g. Add 5553219876). Then send the text message.
When successfully connected to, cell phone will show 'ATT&T MicroCell' or 'AT&T M-Cell'.
If you do not see 'AT&T MicroCell' or 'AT&T M-Cell', turn you mobile device (not MicroCell) off, wait 10 seconds and then turn it back on. Note:Depending on the signal strength of the AT&T cell tower, the time for you cell phone to switch to the MicroCell can vary. It may take seconds or up to five minutes.
To manually scan for the AT&T MicroCell, swipe down from the top of the screen, and then tap the Settings Icon.