Last night I was poking around my M100 after replacing the internal battery and refamiliarizing myself with NADSBox and re-figuring out REX2, when I saw that I was on software 4.5 instead of 4.9. Downloaded the update to my SD card, followed the instructions to rebuild, and it seemed to stick on "Loading 0: RXF149.BR". I moved the machine from my laptop to my desk and it abruptly rebooted when I set it down. Subsequent CALL63012 simply hang the machine and hard-reset it. Subsequent attempts at re-installing 4.9 hang again at "Loading 0: RXF149.BR" for as long as 7 hours. I attempted to reinstall software 4.5 which seemed to complete successfully but running rexmgr informed me that there was a directory mismatch and whether I chose to keep or replace it the next step would hang indefinintely.
Unfortunately I also erased my SD card at one point during troubleshooting without realizing that, upon further reading, the 4.9 rebuild would have backed up the REXs state. Not sure if that would have been useful in this situation but I definitely didn't notice it when I cleared the SD card of other files in case they were interfering. Not too upset if this isn't fixable; the REX# looks fantastic and I'll happily order one, just hate to waste hardware due to my own silly mistakes. Any advice appreciated. I'm going to give the 4.5 install another shot after re-seating the REX2 itself; though it worked fine before I went and tried to update it. -Jake
