Download Rockchip unified update tool package v1.7

Download RockChip unified update tool package v1.7 from here, here or here.

The pack contains:
- Rockchip Batch Tool v1.7
- Rockchip Development Tool v1.7
- RKDeviceManage v1.7
- DmTool_Custom v5.2.1
- ImageMaker
- RK chip firmware unified update guide 2014.4.8
- Rockusb Driver v3.5 x86 x64