As on other Canon Powershots, the ver.req method works as well with this model. Ver.req First Page Data: After holding down FUNCSET then press DISP: Canon Powershot SX10 IS P-ID:318D NT D Canon PowerShot SX10 IS P-ID: 318D PAL D Firmware Ver GM1.00C No Error Sep 14 2008 14:57:56 Firmware Ver: GM1.01A NoError Oct 3 2008 10:47:12 Firmware Ver: GM1.01B NoError Nov 13 2008 09:03:39 Firmware Ver: GM1.02B NoError Jan 9 2009 15:10:11 Firmware Ver: GM1.03A NoError Ap 16 2009 09:16:03 Ver.req Second Page Data: After holding down FUNCSET then pressing DISP twice.