- 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.
Note: 2G and non-AT&T devices are not compatible with AT&T Microcell.
- 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 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 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".
Note: Depending on the signal strength of the AT&T cell tower, the time for your cell phone to switch to the MicroCell can vary. It may take seconds or up to five minutes.
- If you do not see "AT&T MicroCell" or "AT&T M-Cell", turn your 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 your cell phone to switch to the MicroCell can vary. It may take seconds or up to five minutes. To learn more about the AT&T Microcell go to www.att.com/devicehowto and select "MicroCell".
- To manually scan for the AT&T MicroCell, swipe down from the top of the screen, and then tap the Settings icon.

- Tap the Connections tab, then tap More networks.

- Tap Mobile networks.

- Tap Network operators.

- Tap Search for AT&T MicroCell.
Note: Visit the Troubleshoot & Resolve tool to help resolve device and service issues. To learn more about the AT&T Microcell go to www.att.com/devicehowto and select 'MicroCell'.
