Upload issues with tx and rx connected

I have had problems uploading with devices connect to rx and tx pins on a pro mini and I have read to disconnect the serial pins. Is this also the case with the nano?

Yes, just the same.

That really can make troubleshooting difficult.

Glad to know this so I didn’t replace a pro mini with a nano and end up there again

Is It possible to just put a connector on the gsm board similar to a connector on a lipo battery or will just the wires present a problem in uploading?

aiannar974: Is It possible to just put a connector on the gsm board similar to a connector on a lipo battery or will just the wires present a problem in uploading?

The wires present no problem, just the device (in most cases only when it is powered, but in some cases also when it is not)

I don't know the pro mini, but does software serial work? Then you can move the device to 2 other pins...

I put a header on the board and connect the Serial device with jumpers. you can disconnect the device without disturbing wires