Acer Iconia One 8 Service Manual page 16

3. Connect PC and Android Tablet by USB cable
4. Install "Windows_adb_driver" in your PC.
5. When drivers install usefully, you can see below drawing in Devices Administrator in PC.
Install Download Tool:
1. Install PhoneFlashTool_5.2.1.0_external_win32.exe in your PC,
When set up in final, you may see the "Phone Flash Tool" icon in your program bar.
Image :
1. Factory Image: Service image, for engineering testing or verification.
2. Shipping Image: for end user in the market.