Press and hold the on the side of the radio. While holding PTT, turn the radio ON .
Before flashing custom firmware via tools that support it, use the tool to read and save your radio's original configuration data (EEPROM backup). This allows you to revert to factory settings if anything goes wrong.
If you want to keep your radio running on stable, factory-approved software, you must use the official utility provided by Quansheng. The Official Quansheng Portable Radio Update Tool quansheng portable radio update tools download verified
To use this tool, you need a browser with Web Serial support (like Chrome or Edge) and the appropriate USB-serial adapter drivers installed. You can access the tool online at https://home.joaquim.org/k5 .
Browser-based tools have made flashing incredibly simple, eliminating the need to install dedicated software. Press and hold the on the side of the radio
Because Quansheng radios are incredibly popular, malicious actors often host fake update tools packed with malware. Protect your computer and your radio by adhering to these safety protocols:
While the stock firmware works, custom firmware unlocks features like , AM/FM Broadcast improvements , and customizable UI . This allows you to revert to factory settings
Once you've identified the correct tool and firmware for your needs, the process is straightforward. Here is a general guide.
While holding PTT, turn the volume knob to switch the radio .