This is a collection of definitions for the log reasons we see frequently in OEM Device logs.

Log reason
[GSM][Sevr] Aborted oneshot Reg 
the device wasn't able to register onto the 4G network 
[GSM][Sevr]: Modem Turn off Failed 
This means the device tried to soft power off the modem, instead of fully removing the power 
[GSM][Sevr]: Hard Reset 
This is when the code forces the modem to cut power.