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RELAY G10 or TB516G transmitter update failure


In the event that you have connected a RELAY G10 or TB516G transmitter and observed text in the Line 6 Updater app stating that 'The transmitter was not detected correctly', it is likely that the computer has not completed the download of the appropriate device drivers. This may be due to not having allowed the computer enough time to install the drivers upon any initial connection to a USB port on your computer. Please make sure that you are connected to the Internet, and that you have given enough time to allow your computer to search for and install the device drivers. This may take several minutes. The process may also be slowed if any other programs or windows on your computer are open, so it is recommended that you close them before proceeding. Once the drivers have installed, please quit and again launch the updater app, and then attempt the update process with your transmitter.


If you are still experiencing an issue at this point, please also check your computer's 'Device installation settings' to make sure that Windows is configured to automatically download driver software (Please click here for a knowledge base item that will further assist with this).


Additionally, the driver that the G10 uses is native to Windows and may need to be reinstalled in order for the G10 to be recognized. To obtain the driver, visit the website for Cypress, who is the vendor for the driver. There,  you can register with Cypress for a free account by clicking on the “Log in” link at the top right of the Cypress home page. After registering and verifying your email, you can log in to the Cypress site and then manually download and install their USB-Serial Driver-Windows. The file is located at the following link:



Edited by Line6Tony

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