Acer Iconia One 8 Service Manual page 25

Read Acer BT address
1. Switch on Citizen adb port
2. Connect Citizen and PC by USB cable
3. Double click "Citizen BT read.bat" in c:\adb
You may also return to C:\adb folder to open "bd_addr.conf" file, and check the content as well.
Re-write Acer BT address
1.
Switch on Citizen adb port
2.
Connect Citizen and PC by USB cable
3.
To open the "C:\adb" folder then open"mac.txt" file in PC, and change the dedicate mac address,
save it.