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Flashing guide (it's from a similar android device thread):
1. Run the RK Batch Tool. In the FW Path line: specify the path to the firmware file.
2. Connect the device via USB to the computer.
3. If the indicator does not turn green, then the reader is not in flashing mode, click the Switch button, the reader should go into the flashing mode and the indicator should turn green (note: the first square below should turn green).
4. If the reader does not go into flashing mode, then you need to install the driver in the Device Manager:
4.2. Find the Unknown device, choose to update drivers, update method: With a full manual method with an .inf file! When automatically searching for a driver, the driver may not install!
Drivers are located in the Driver folder. In accordance with your OS, select the desired subfolder. After installing the driver, rather in this case you will need the Switch button in the flasher.
4.3. To install the driver under Windows 8, you need to use the instructions for installing an unsigned driver. (note: sometimes it’s easier to install a WindowsXP virtual machine)
4.4. If the Unknown device does not appear in the Device Manager, try holding the screen update button on the reader connected to the PC and holding it, press Reset.
5. Before flashing the device, you can make a complete dump of the device using the rkDumper utility.
6. Press the Restore button, the flashing of the reader will begin. After flashing the reader will reboot.
ATTENTION! Do not disconnect the device until the flashing is over!
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