Lmic esp32 no join request

End Devices (Nodes) LMIC
2

Hi,
Which LMIC library are you using, which (example) sketch exactly (provide link) are you using and which Heltec board exactly is this about?

EV_JOIN_TXCOMPLETE indicates a join request was sent but a join accept was not received/recognized. For causes and solutions please search te forum.

This issue has been addressed on the forum endless times already.
Always search the forum for existing information first before creating a new topic.

Also have a look at:

and:

Big ESP32 + SX127x topic part 3