Different carriers have different numbering.
Which device you have: HTC, Dopod or Softbank.
Huawei Ascend G700 dual sim *Rooted* Stock Rom 4.2.1
Acer Iconia Tab A500 *Rooted* Stock ROM 4.0.3
HTC Sensation Z710e *Rooted* Stock ROM 4.0.3
Sony Ericsson x10 mini *Rooted* Stripped Stock ROM
HTC HD WM6.5.3 Orange ROM 0.77 (still working as new
Retired with honors: Dopod C730, HTC Touch Viva, HTC TyTN, HTC Blue Angel (XDA IIs), HTC Himalaya (XDA II)