I have a LG G2 and cannot sync my data ...

This problem has been identified and fixed in our latest firmware and Android App.

Step 1: Upgrade ZeFit firmware using our PC or MAC software available on MyKronoz website

- after a successful installation, plug the device into your computer USB port

- Sign up or log in with your existing account

- A pop-up windows will prompt you to upgrade your device, accept and wait a few minutes until the upgrade is completed

- After successful update, unplug your device

Step 2: Make sure you have downloaded the latest ZeFit Android App