Initially the method of calculation involves assessing the abundance and distribution range of a non-indigenous species (NIS) for a specific area (this can be, for example, an entire regional sea, bay, inlet, lagoon, pond, lake, marina, a sand bank, an aquaculture site etc.).
Press the Menu on your Sprint phone's home screen. Select Settings and press the Menu key. Press the Menu key. Scroll down and highlight the PRL field and press Update. Wait for the update to complete. Press the End key to exit to the phone's home screen.
Re: Duplicate Text messages. Request a data reset, which deletes your Sprint data (not your phone data), your phone will do a ands free activation, prl update and firmware update. It's fast simple and might actually fix the issue.