Devices stopped to receive uplinks after v3 migration

[descartes (Nick McCloud)]

Did you use these instructions:

How to Migrate ABP Devices from V2 to V3

I’m writing this post as a quick draft that will be extended and eventually turned into a documentation page. Migrating existing ABP devices requires one of the following: Your gateway is connected to V3, or You update the device address (DevAddr) in your end device(s) with a new device address generated in the V3 console. This option may require flashing new firmware to the device. Read below instructions carefully. If you make a mistake it might not be possible to correct it l…

If you can’t get physical access then you will HAVE to get a v3 gateway setup and use the same DevAdr, NwksKey and AppsKey in the setup on the v3 console.