amo13

This project is long abandoned. Just use the binary I compiled a while back from [here](https://heimdall.free-droid.com). Call it directly in a terminal, no gui.

try to avoid the print-pit-stuff and just issue the flashing command to install twrp (or whatever). I have seen a few devices that would accept only a single heimdall command...

Did you try with sudo? Maybe also try to compile a version 1.4.2 with fixes from the pull requests. Or use the binary I compiled a while back from [here](https://heimdall.free-droid.com).

glad the flashing worked maybe you've got the wrong twrp file

Unpack the archive and, in a terminal, call the binary directly with something like `./heimdall flash ...`. You might want to `cd` into the folder of the binary first and...

Are you on Linux? If so, can you also try [this build](https://github.com/Benjamin-Dobell/Heimdall/issues/503#issuecomment-998289267) and report here if it works?

Then sorry, I don't have any other idea for you, except trying a different cable or computer.

Did you try using the binary directly?

Then what do you mean by installing? Try putting the binary heimdall file (no .app or .pkg or similar) into a folder and calling it from a terminal (e.g. `./heimdall...

The last line states that no device in download mode was detected. Have you rebootet your device to download mode?