Hi.. I have had many issues with mine. I have a Fit Bit Alta.. Sometimes it syncs and sometimes not. I found out that although it works for the most part the biggest issue is because my Smartphone is not a compatible device. I am still waiting for the LG K20 plus to be put on the list to see if I get better results. I have deleted and reinstalled the app several times in the past year. Restart my phone and all the syncing related tidbits. I have my info backed up and saved so even when I unpair and repair or log out/ log in it remembers the info. Which is great on the part. I wish the syncing worked with Wi-Fi instead of blue tooth though because I have blue tooth connectivity has many issues that Wi To doesn't.
