Originally posted by smigol pktether will work to enter and exit debug mode on these cameras.
Also, I've noticed that once you go to 1.31 firmware, you can't roll back to an earlier version.
That's why I've kept one of my K10D bodies old to be able to revert back in the event of another SDM failure.
That's why I had to unload my DA* 50-135. I went to 1.31, and it would not roll back. I tried several roll back sites, with no luck. I would still have the DA* instead of the DA L (which I find much better than expected) if I had been able to roll back. On the other hand, I might be able to fund another lens or two in the marketplace if I can sell my AFA 1.7X. I have not put it up yet, just in case, but ....