Why can't my Amazfit Nexo show caller ID but phone number on incoming calls?

1. Make sure you have turned on incoming call alerts  

2. Check the setting and application management on your phone to make sure Amazfit APP is given permission and allowed to read your contacts. 

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3. If you installed other third-party management software on your mobile phone, please also make sure Amazfit APP is given permission and allowed to read your contacts.