I'm not sure, and the translation sucks:
TL-M66 Product firmware upgrade method
Step One: Firmware Download
Please copy the URL of the following web address bar, open and select downloadhttp://www.teclast.com/topic.php?channe ... opicID=148
(at this click to open)
Step two: Install the driver RK28usb
Hold down the M66 after shutdown "volume reduction" key will not let go, and then use the data lines and computer connections. At this point the computer requests an
Installed RK28USB program. Select the download firmware decompression after the "drivers" folder for the installation is complete.
Step Three: Open the upgrade process and begin to upgrade
Unzip the downloaded firmware, click on "Upgrade procedure" and double-click to open "RK28BatchUpgrade.exe" procedure is as follows map;
After a long hold off the M66, "volume reduction" key will not let go (as icon buttons position), and then use the data lines and power
Brain connections, select the TL-M66.IMG firmware file, click the button to begin the upgrade.
Note: The "mandatory wipe" the disk is formatted, so I chose this operation, please be intraday data backup