Bluetooth call interruption, noise, echo, and noise - ZTE

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Bluetooth call interruption, noise, echo, and noise

There may be a compatibility problem with Bluetooth. Please check whether the interconnection with other mobile phones has similar problems.
Check whether the mobile phone Wi-Fi is enabled. First, shut down the Wi-Fi and then try to improve it.
Upgrade to the latest firmware version.
If the problem persists, send the earphone model, application scenario, and software version to the R&D center.

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