6.2.1 Battery installed improperly, please open the back cover to reinstall the battery.
6.3 Battery life too short
6.3.1 Battery is not fully charged, make sure it is fully charged.
6.3.2 If it has installed an SIM card, the battery will drop off faster when the signal is
poor.
6.3.3 The battery life depends on the features you have enabled. Running too many
apps at the same time will shorten the battery life significantly.
6.3.4 The battery life will shorten if the Bluetooth connection quality is poor.
6.4 Bad phone call quality
6.4.1 Call via BT dialer: Smart watch is too far from smartphone or have obstacles,
please make them closer.
6.4.2 Call via SIM card: This may cause by bad signal, please move to a better position.
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