Originally Posted by
gfunkdave
Try putting the phone in DFU mode, then using iTunes to wipe it. I think it's the "Restore Device" button in iTunes.
https://www.theiphonewiki.com/wiki/DFU_Mode
Or just smash it with a hammer and microwave it for 2 seconds.
No joy on getting it to enter DFU mode.
Will microwaving it really erase the data?