yparitcher, as this SRU consists of three packages, ModemManager itself and the two libraries, try at first to downgrade only modemmanager to the original. If this solves the problem, it is caused by modemmanager, if not, downgrade one of the libraries, then try to downgrade the other, ... until you could spot one of the three packages having caused your problem.
yparitcher, as this SRU consists of three packages, ModemManager itself and the two libraries, try at first to downgrade only modemmanager to the original. If this solves the problem, it is caused by modemmanager, if not, downgrade one of the libraries, then try to downgrade the other, ... until you could spot one of the three packages having caused your problem.