Huawei CM70-C Quick Start Manual page 5

Firmware update
If a firmware update is available, you can update your earbuds from your phone (EMUI 9.1
or later) by performing the following:
Go to the Paired Bluetooth device screen and touch Firmware update, then touch
Check for updates to check for available updates.
If an update is available, touch Download and update, then follow the onscreen
instructions to complete the update process.
Indicator descriptions
Power on
Power off
Automatic connection mode
Pairing mode
Incoming/outgoing call
Charging
Low battery
Steady white for 1 second
Steady red for 1 second
Flashes white twice every 3 seconds
Flashes white three times every second
Flashes white twice every second
Flashes red: Low battery level
Flashes white: Sufficient battery level
Steady white: Fully charged
Flashes red twice every 10 seconds
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