General :: Low Disk Space With Motorola Fire Xt311

A friend of mine has the xt311 motorola fire. It keeps bugging her for low disk space (the internal memory is almost full indeed, and all apps that can be moved to SD have been moved).

After some research, I read that some logs could munch too much space and that by entering the mmi code * # 9 9 0 0 # you get to move the logs to the SD. Unfortunately, the code doesn't work and returns the error "connection problem or invalid mmi code".

The other solution should have to be rooting the phone and partitioning the SD then expanding the internal memory to it with link2sd. But I read about a few problems people are running into with this method. So I would like to know if there's another way to resolve this troubling limitation of the xt311.