Android :
(Because the mobile phone brand and system version are different, the authorization method may be different, please follow your mobile phone's method to grant permission.)
When the watch is connected to the phone for the first time, you will be asked to set the watch to receive information.
Follow the instructions to grant the necessary permissions.
When you have not set up receiving information for the first time, you can also follow the steps below:
Step : Open “H Band” APP - Mine - authority management - SMS
Allow H Band to get notification permissions
APPLE IOS :
Settings-Bluetooth, click "i" next to "S16" to enter settings, configure to allow information exchange。