Operation Manual

English – 20 | MP-275
Firmware Upgrade
There are two ways to upgrade the firmware.
Firmware Upgrade with Setup
1. Select “Setup/System/Upgrade” in the main menu, and then
start to upgrade as per the prompt.
2. Press  or  to select “Yes” or “No”, and then press the M
button. Connect the player with the PC via USB, the system
enters the firmware upgrading status.
Firmware Upgrade with Firmware Upgrade Tools
Use the “Firmware Upgrade” tool in the enclosed CD to upgrade
the firmware.
1. Turn off the player, press and hold the M button, do not release it,
and connect the player with the PC via USB cable.
2. After the player is connected to the PC, the PC prompts “Rock
USB device”. Install the driver as per the requirement. （If the
driver has been installed, you can jump over this step directly）.
3. After installed the driver, run the “Firmware Update” tool in the
enclosed CD.