8. How to upgrade the firmware for K17?
[Before upgrading the firmwares for the K17, please note the following]
1. K17 firmwares including: Main controller firmware,MCU firmware, XMOS firmware upgrade and Bluetooth firmware. Please read the corresponding instructions before updating.
2. Except for connecting the K17 to the computer, it is recommended to unplug all other devices or decoders connecting to the USB ports;
3. It is recommended to use USB2.0 data cable. Priority to use the USB cable comes with the K17.
4. During the firmware upgrade process, please do not disconnect the power supply or unplug the USB cable to avoid upgrade failure.
5. After all upgrades are complete, please turn the AC power switch in rear panel off and on once to let the entire K17 system to power up and reboot.
[Main controller firmware upgrade instruction]
1. Download the SOC firmware upgrade package to your computer (the upgrade package has a ".zip" file extension, please do not unzip this file). Copy the upgrade package to the root directory of a USB flash drive.
2. Connect the USB flash drive to the USB A port in the back panel of the K17
3. Select Main controller Local Upgrade from Settings-Others - FW Update and wait for the upgrade to complete. After the upgrade is complete, the system will reboot automatically.
4. After all upgrades are complete, please turn the AC power switch in rear panel off and on once to let the entire K17 system to power up and reboot.
Note:
1.Before upgrading, please make a good backup of the data on the USB flash disk to prevent the data on the USB flash disk from being corrupted due to abnormal power loss.
2. USB flash drive formats supported for upgrade: FAT32/EXFAT/NTFS
3. Please wait for the upgrade process, do not pull out the USB flash drive and do not power off the K17.
4. You could check the main controller firmware version from menu setting-About K17. The firmware has been updated correctly if the latest vesion number is shown.
[MCU firmware upgrade instruction]
1. Download the MCU upgrade package to your computer (the upgrade package is a file with suffix ".bin").
2. Connect the RS232 port in K17 to the computer with a USB cable.
3. Select MCU Upgrade from Settings-Others - FW Update. There will be a USB flash disk shown in the computer now. Copy the upgrade package to thid USB flash disk. Then "pop up" the USB flash disk in my computer and the upgrade will start automatically. After the upgrade is completed, the system will reboot automatically.
[XMOS firmware upgrade instruction]
The XMOS firmware could be upgraded on the computer.
1. Connect the [USB IN] port in K17 to the computer with a USB cable.
2. Use the XMOS upgrade tool and firmware files to upgrade.
[Bluetooth firmware upgrade instruction]
After connecting the K17 to mobile phone via Bluetooth, you could upgrade the Bluetooth firmware via the FiiO Control app.
