What ever company that does the codes for the Commando C771 operating system made it almost humanly impossible to root the phone after this last so called upgrade. They did not write 5megs of extra code for their health, that is for sure. Those codes where made in such a way that it covered all the bases for anyone trying to make the phone operate differently. You best believe, those people where paid quite will to prevent this from happening again. That you can take to the bank.
If someone does manage to root the m100 upgrade it will be short lived, but I doubt that will happen. That being said, I do hope some people will work together and break the code, I beleive that it is going to have to be a group effort to break the code to the m100 upgrade so it can be rooted. We will see what happens in the future.