1. Confirm the power supply and connection range of Bluetooth device.
Confirm that the Bluetooth device is fully charged, and the effective distance of Bluetooth connection is generally around 10 meter. If both devices are far away or there is an obstacle in the middle, you may not be able to search for Bluetooth devices.
2. Confirm the connection status of the Bluetooth device.
Make sure that no other mobile phone is connected to this Bluetooth device.
3. Pairing Bluetooth devices again
Please refer to the Bluetooth device manual to ensure that the device is in a pairable state and re-pair the device.
note:
1) vivo tws1/vivo twsneo/vivo tws2/vivo tw2e pairing method: put two earphones in the charging box, open the cover, and press the function key of the charging box for 2 seconds until the indicator light flashes white, and the mobile phone searches for pairing by Bluetooth. Or press and hold the charging box function key 15 seconds, the indicator light will be orange and flash quickly, and the earphone will be restored to the factory setting and re-enter the pairing state.
Pairing method of vivo WATCH: scan the QR code of the watch screen through the mobile phone for the first time, download and install the "Sports Health" App, open the software, register and log in to the Vivo account, click on the device page, add devices, and pair vivoWatch. Sports Health App is a necessary application for connecting and managing watches. Vivo mobile phone users go to the App store to download and install the app, and Apple mobile phone users go to the App Store to search, download and install the app. In the later stage of pairing, press the button on vivo Watch-Settings-System Menu-to restore pairing, and search for connection through Sports Health App, or press the button on vivo Watch-Settings-System Menu-to restore the factory, and then search for connection through Sports Health App.
3) For other brands and models of Bluetooth devices, you can check the corresponding product manuals to understand the pairing method.
4. Conduct a comparative test.
Search by using two mobile phones without matching records at the same time. If other mobile phones can't find the device, it may be a Bluetooth device failure.
5. Upgrade the system version
Please upgrade your mobile phone to the latest version for viewing.
6. Reset network settings
Go to Settings-System Management-Backup and Reset-Reset Network Settings-Reset Settings, and then use View.
Note: Resetting the network settings will reset the WLAN, mobile data network and Bluetooth connection records.
7, service center testing
If the above methods fail to solve your problem, please back up your mobile phone data in advance, and take your mobile phone and purchase certificate to vivo customer service center for testing. Address inquiry of service center: You can go to the after-sales outlets of vivo official website /vivo Mall APP-My and select your current city to get it. It is recommended to call in advance before going to avoid empty running, plan your trip reasonably and travel safely.