Bill Wiley's pv2flag

What is pv2flag?
pv2flag is a tool that locates and displays interesting areas in the PV2 firmware. It can locate these regions independent of firmware version.

Download
pv2flag.zip
pv2flag.tar.gz

Note: The above packages contain source code and windows binaries.
Linux users can use the included makefile to build from source.

Sample output

  Opened FIRMWARE.BIN for reading.
  Scanning file for interesting locations...
  [68F9] Unlock Camera Byte. This firmware is already unlocked.
  [6A93] "D.i.g.i.t.a.l" device name, often changed for checksum fixing
  [6ADD] Camera PID. This firmware is set to foxz2.
  Single-byte checksum of this firmware is: 50