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That phone is not on fitbit's list of supported phones at www.fitbit.com/devices so it may not work (or it may just mean that it's not been tested yet). Either way, you may experience problems.
The best thing to do is to go through the setup process documented in the following help file and see what happens:
https://help.fitbit.com/articles/en_US/Help_article/1873/
Good luck!
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