Hi, @DUKE1921 , yes, you should be able to use any Fitbit with that phone. Here are some tips that may help:
To use the Fitbit app on your Huawei P20 Lite phone, verify the following settings:
Note that you may see a message on your phone related to power consumption and apps scanning in the background. If you follow the steps in this message, the Fitbit app can’t run in the background and certain features may not work properly. Repeat the steps above to enable the Fitbit app to run in the background.
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Sense, Charge 5, Inspire 2; iOS and Android
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