I’ve finally managed to recover my GP2X http://en.wikipedia.org/wiki/GP2X from a failed firmware update.
I tried updating from version 1.0.0 to 4.0.0 but the update seemed to hang during the “Firmware update” stage. So I though maybe going straight to 4.0.0 was too ambitious and tried to update to version 2.0.0. As is typical, that didn’t work due to the GP2x File Archive website being out of action just prior to Christmas so I could not get my hands that firmware. Eventually it came back online and I’ve been able to update the firmware to version 2.0.0 and then to 4.0.0. Although I have to warn you that one firmware update from 2.0.0 to 4.0.0 completely drained a brand new pair of AA batteries. Once completed the battery life definitely seems to have been extended in that firmware upgrade. So finally I’m able to get back into the delights of MAME on the GP2X.