If you already own a device you’d like to use with one of Allvoi® Wreless plans, you must check its compatibility first. Allvoi® Wreless supports most of Basic Feature Phones and Smartphones currently used on US mobile networks. Your device must be compatible with Sprint network to be eligible for use. Therefore only inactive Sprint phones or unlocked devices can be activated with Allvoi® Wireless. It’s also necessary to have your own Sprint SIM card.
Dial *#06# to see the ESN (Electronic Serial Number) on the screen of your device.