User's Manual

MK15 User Manual V1.1

Above tools come with MK15 package.

Fast charging cable and converter can be used to upgrade MK15 receiver firmware.

Firmware Upgrade Steps

1. Install “SIYI Assistant” into your Windows system.

2. Use the upgrade cable to connector computer’s USB port to MK15 transmitter’s

upgrade port.

3. Run “SIYI Assistant” and switch to “Upgrade” page to check the MK15

transmitter’s current firmware version.

4. If MK15 transmitter’s firmware is not the latest, then click the “Select File” button

after “Transmitter” line to import the latest transmitter firmware. Then click

“Upgrade” and wait till it is “100%” finished.

5. Disconnect MK15 transmitter with computer. Connect MK15 receiver to

computer. Then repeat above steps to upgrade receiver firmware.