Go to Control Panel > Hardware and Sound > Devices and Printers, and then you will find
the devices that was previously connected to your UB400/UB4A on the Devices page. Right
click on that device and select Remove device. And then try to scan one more time on
UB400/UB4A and you will be able to find the device.
4. For the devices with non-standard Bluetooth protocols, there may be some compatibility
problems. Please refer to Q8 to check out the compatibility list.
Q8: Why the adapter is not working with my Bluetooth devices?
(1) Make sure that your device has Bluetooth function.
(2) The following compatibility list is based on TP-Link lab environment. The models supported
are much more than the listed.
Note: For devices with non-standard Bluetooth protocols, there may be some compatibility
problems.
P=Pass, F=Fail
Bluetooth Devices
ivolks S3
EDIFIER M300
Sony WF-SP700N
Honor xSport AM61
Jabra EASYGo
Remax
Sony SBH50
S6
JBL C45
Sennheiser HD45
Motherborad
GIGABYTE_GA-Z68X-UD3R-
P
B3_A1
ASUS_M4A88T-M_A3
P
ASUS_F1A75-V PRO_A5
P
P
ASRock_890GX pro3_A6
GIGABYTE_GA-Z77-UD3H_A8
P
MSI_880GMA-E35_B1
P
P
GIGABYTE_GA-870A-UD3_B3
ASUS_Z170-AR_B4
P
P
ASUS_Z87-A_B5
GIGABYTE_B150-HD3P_B7
P
Mobile Client
Galaxy S7
P
Galaxy S8
P
GALAXY S9+
P
P
Pixel 2 XL
Mate 10 pro
P
P20
P
P
Xiaomi Mix 2s
iPhone X
P
P
iPad Air 2
iPad Mini 4
P
P
P
P
P
P
P
P
P
P
P
Need help?
Do you have a question about the UB400 and is the answer not in the manual?