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Solution: Check that your headset is set to be visible (entering the pairing mode). The
methods for setting different Bluetooth headsets to enter the pairing mode are not the
same. For details about the settings, see the user guide of the headset or search for a
solution on the Internet. Generally, when the red and blue indicators blink alternatively,
the headset enters the pairing mode.
3. The phone cannot connect to other phones when sending files.
Solution: Check that the phone to be connected to can receive files and supports the
format of the file to be sent.
1.50 What protocols are used by Bluetooth functions?
The protocols used by various Bluetooth functions of Huawei phones are as follows: HFP
(making calls), HSP (making calls), A2DP (playing music), AVRCP (controlling music
playing), OPP (file transmission using Bluetooth), PBAP (synchronizing contacts), MAP
(synchronizing SMSs), HID (using a Bluetooth keyboard and mouse), PAN (sharing a
network using Bluetooth), and BLE (connecting to a Bluetooth low-power-consumption
device such as a wrist band).
1.51 Why can't I clearly hear the voice using the Bluetooth
car kit or Bluetooth headset?
Check whether the Wi-Fi switch of your phone is turned on. Perform the following steps
when Wi-Fi is turned off:
Connect the Bluetooth car kit or Bluetooth headset to another phone and check whether the
similar issue occurs.
Check whether noise is caused during the call because human body blocks signals or the
surrounding environment has an interference. If so, stay away from the interference.
1.52 How can I use the BLE function?
The Bluetooth BLE function is a new technology developed based on the low power
consumption feature of the Bluetooth. Generally, the BLE accessory manufacturers release
related apps that are used together with the BLE accessories, for example, BLE sports wrist
band, sports watch, balance scale, pedometer, and smart wrist strap.
1.53 How can I connect my phone to a smart BLE device?
Generally, the BLE accessory manufacturers release related apps that are used together with
the BLE accessories. You can download and install the corresponding app. Search the smart
BLE device using the app and confirm the connection. Then, you can synchronize the data
between the smart BLE device and the phone.
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