What to do against operators "purging" my devices?

@laurens - last Build Month session you talked about networks “purging” devices which are inactive for too long.

How to avoid devices from being purged?
And if a device is purged, how to connect it to a network again?

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Hi Nick,

I wrote a small section about purging in one of my latest posts. See Lesson 1 in the below blogspot:

Where it comes down to is that you need to anticipate on a possible purge. In your application firmware, you need to build a way to validate if the device still has an active connection with a network (e.g. by running the AT Command: AT+COPS?). If the connection broke, you can best reboot your radio module. After a reboot it will reconnect to a network.

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