Device Index SIM

Tip: Changing BlackBerry SIM Cards

How you remove a subscriber identity module (SIM) card and swap it between compatible mobile phones varies from device to device, even among BlackBerry wireless handhelds and smartphones.

Latest Developments in VoIP over Mobile

Both Truphone and JAJAH make significant announcements expanding their service parameters.

Tip: BlackBerry Bold — Swapping Out SIMs a Little Too Easy

The rear cover of the new BlackBerry smartphone comes off too easily sometimes.