Blackberry 8250 Curve _best_ -

The BlackBerry 8250 is an uncommon model . Most consumer Curve models were the 8300, 8310, 8320, 8330, and 8350i. The "8250" typically refers to a regional or carrier-specific variant (often for certain Asian markets or CDMA-based networks like China Telecom). If you meant the BlackBerry 8330 Curve (very common on Verizon/Sprint), the hardware is nearly identical.

Follow the same guide, but note that the 8330 has a full QWERTY keyboard and sometimes Wi-Fi (8330w). Still, BIS is dead. blackberry 8250 curve