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# Heltec Wireless Stick Lite Rnode, anyone?
_Help · started by batrat on Fri, Jun 26, 2026 12:25 PM_
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## Original post
**batrat** · Fri, Jun 26, 2026 12:25 PM
Hi. I got a couple of the above mentioned ESP32 LoRa boards. Does someone know if there is a firmware patch for these somewhere? I can try to make my own, but I have never done it before, so I'm asking first. https://heltec.org/project/wireless-stick-lite-v2/
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## Reply 1
**batrat** · Mon, Jun 29, 2026 6:35 PM
I somehow managed to patch and flash one of my boards using LiberatedSystems's guide and I think everything went OK. However, rnodeconf is not recognizing my board anyway, and I so can't set it up properly. How should I go on?
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## Reply 2
**batrat** · Mon, Jun 29, 2026 6:59 PM
No, actually that was just my thought. The actual error is
"Error: Model band and output power capabilities are unknown! The contained exception was: 205"
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## Reply 3
**batrat** · Tue, Jun 30, 2026 2:03 PM
Well it seems Heltec Lora32 v3 firmware works from rnodeconf --autoinstall. So that's that.
One more question though. Is there a way to see the bluetooth pairing pin without a display, since I don't have one? I could not get it to show up anywhere.
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## Reply 4
**welo** · Tue, Jun 30, 2026 4:46 PM
the pairing pin should appear in the command line if you are using `rnodeconf /dev/DEVICE -p` and you attempt to pair with the device
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## Reply 5
**batrat** · Tue, Jun 30, 2026 9:53 PM
Weird. For some reason it does not appear. I tried bluetoothctl, KDE default gui Bluetooth app, and Sideband (and system settings) on Android.
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