
1. Install the driver "Release_DriverAssitant".
2. Start RKDevTool.exe
3. Connect the USB-C port to the PC and the player and connect the
power supply.
4. You should now see an ADB device in RKDevTool. Or use a paper clip to
press the switch (small hole) next to the USB 3.0 port and give power at
the same time. Then the device starts directly in loader mode.
5. Press the Firmware button under the "Upgrade Firmware" tab and
select the Linux/Android image.
The RoHS directive aims to restrict certain dangerous
substances commonly used in electronic and electronic
equipment. This RoHS compliant symbol indicate the
component is tested for the presence of Lead (Pb),
Cadmium (Cd), Mercury (Hg), Hexavalent chromi- um
(Hex-Cr), Polybrominated biphenyls (PBB), and Polybromi-
nated diphenyl ethers (PBDE). For Cadmium and Hexava-
lent chro- mium, there must be less than 0.01% of the
substance by weight at raw homogeneous materials level.
For Lead, PBB, and PBDE, there must be no more than
0.1% of the material, when calculated by weight at raw
homogeneous materials. Any RoHS compliant component
must have 100 ppm or less of mercury and the mercury
must not have been intentionally added to the component.
CE Marking is the symbol as shown on the left. The letters
„CE“ are the abbreviation of French phrase „Conformity
European“ which literally means „European Conformity“.
The term initially used was „EC Mark“ and it was ofcially
replaced by „CE Marking“ in the Directive 93/68/EEC in
1993. „CE Marking“ is now used in all EU ofcial
documents.
15 16
6. Then press the "Switch" button when you see an ADB device. If you
see Loader Device, you do not need to do this. (If you want to
change the system from Android to Linux or vice versa, press the
"Switch" button. Or vice versa, press "Erase ash". A Maskrom
Device will appear after a successful erase).
7. The tablet should now switch off the screen and a loader device
(Maskrom device) should appear in the Android tool.
8. Press the Upgrade button. The rmware should now be saved to the
ash.
9. The device will reboot automatically after the update process.For the