What Is Bluetooth's Working Range; Why Can't I Pair My Phone With Other Bluetooth Devices; Can My Computer Use My Phone's Data Connection Through Bluetooth - Huawei ALE-L21 Manual

HUAWEI ALE-L21/L02/L23 Smartphone FAQs (Applicable Outside China)
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1.14.6 What is Bluetooth's working range?

The working range is 10 meters.

1.14.7 Why can't I pair my phone with other Bluetooth devices?

Your phone supports various profiles, such as A2DP, HSP, HFP, PAN, HIDH, OPP, and PBAP.
If the pairing device also supports these profiles but fails to be paired with, see the following
solutions:
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Solution: Check that the phone to be connected to can receive files and supports the format of
the file to be sent.
1.14.8 Can my computer use my phone's data connection through
Bluetooth?
Yes. You can set up a connection between your computer and phone using Bluetooth. The
computer can then use your phone's data connection to access the Internet. You can also
connect your phone to other Bluetooth-capable devices and play games together.
Issue 01 (2015-03-30)
The Bluetooth detection has timed out.
Solution 1: Touch Settings > Bluetooth turn off Visibility and turn it back on to recount
the detection time. (Refer to the preceding figure.)
Touch > Visibility timeout and set a longer timeout period.
Your phone cannot detect other phones.
Solution: Check that your phone has Bluetooth turned on and is set to be visible.
Your phone cannot detect a Bluetooth headset.
Solution: Check that the headset is set to be visible. For details about how to configure
the headset, see the headset's user guide.
Your phone cannot send files to another phone.
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