The ver.req file method is used to gather firmware information about this camera model. Ver.req First Page Data: After holding down FUNCSET then press DISP: Canon PowerShot SX20 IS P-ID: 31E4 NT D Canon PowerShot SX20 IS P-ID: 31E4 PAL D Firmware Ver: GM1.00F NoError Jun 15 2009 15:28:22 Firmware Ver: GM1.02B NoError Aug 4 2009 15:10:37 Firmware Ver: GM1.02C NoError jan 7 2010 13:14:04 Firmware Ver: GM1.02D NoError Mar 9 2010 10:00:57 Ver.req Second Page Data: After holding down FUNCSET then pressing DISP twice. Adj Ver.003.003 Version 1.00F, 1.02B, 1.02C