What are these errors in a WR31-M52A event log:

Event log has the following errors:
GPRS: Context 3 activation failed, error code 102
and
GPRS: Context 3 activation failed, error code 252

Hi and welcome to Digi forum.

It seems that the modem has issues on activate Context 3, so I would suggest first of all to have a look at this:

https://www.digi.com/support/knowledge-base/configure-a-transport-router-with-an-lte-module-to

If stil doesn’t work, please send us an email at tech.support@digi.com so we can further investigate.

Please provide the following:

Thanks,

Anny
Digi Technical Support Team