CableCreation CD0700 USB C 3.5mm Headphone and Charger Adapter User Guide
- June 14, 2024
 - CableCreation
 
Table of Contents
CD0700 USB C 3.5mm
Headphone and Charger Adapter
Solve the problem of echo on 2 in 1 USB C to 3.5mm Headphone and Charger Adapter (CD0700-Asin: B07Y87QXTQ)
Update the Firmware
If you are experiencing echo while using the 2 in 1 USB C to 3.5mm Headphone
and
Charger Adapter, there’s no need to worry. It requires a firmware update.
Please take
some time to update the firmware by following these detailed steps:
Steps
- Insert this adapter into a laptop or desktop computer with USB C female port
 - Connect this adapter to CTIA’s headphones
 - Open the firmware and tools link: https://drive.google.com/drive/folders/16XaBe-DVmxsFfTpdcQu2xn6dNq904TOP
 - Download and save all the files named “CD0700-Solve echo issue firmware…” to your computer/laptop

 - Unzip “CD0700-Solve echo issue firmware…”
 - Click on the following files in order:

 - Click and unzip “KT020X.zip” and “ktRES1.0.20.zip”

 - Click on the unzipped folder “KT020X”, double-click to run “KT020X.exe”, and select “USB”:

 - Setting Tab-Select “KT_USB_AUDIO”

 - Boot_USB Tab-Select binary files (files ending with “.bin”), as shown in the figure:


 - Select “Upgrade”

 - . Upgrade successful! ! !

 
Note: If the update fails, re-plug the USB C to 3.5mm Headphone and Charger Adapter (CD0700), make sure it is firmly inserted, close the program, and repeat the above steps until a green bar appears and the word “update successful” is displayed! ! !
Read User Manual Online (PDF format)
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