- 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 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 Messages 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 Create 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 phone number to add to the Approved User List.
- Tap the Send icon.
- When successfully connected, the cell phone will show "AT&T MicroCell" or "AT&T M-Cell".