"used by other application"

Third party wallets
1

Getting this error every time, neither i can connect to suite. “This device is used by another application.”

2

Hello @neoguild

If you see the error message “Used by other application” , it usually means another program or browser tab is currently accessing your Trezor device, so Trezor Suite cannot connect to it.

Please try the following steps in order:

  1. Close other wallet apps or browser tabs
  • Close any other wallet software (including web wallets) that may be using the Trezor.
  • If you are using a browser, make sure no other tabs are open that could be communicating with the device.
  1. Check browser extensions
  • Disable or remove wallet-related extensions (for example MetaMask, Rabby, Phantom, etc.) and restart the browser.
  1. Restart Trezor Suite
  • Fully close Trezor Suite and open it again.
  • Make sure only one instance of Trezor Suite is running.
  1. Reconnect the Trezor device
  • Unplug the Trezor from USB, wait a few seconds, and plug it back in.
  • If possible, try a different USB port or cable.
  1. Restart your computer
  • This ensures no background process is still holding the connection.

After completing these steps, reconnect your Trezor and open Trezor Suite again. In most cases, the issue is resolved once the other application releases the device.

If the problem persists, please let us know about this issue via ticket so we can troubleshoot this issue with you directly. https://trezor.io/support#open-chat