With your device nearby, open the Fitbit app to the Today tab Fitbit logo in black, which looks like 13 circles in the shape of a diamond, where the circles are larger from left to right. Press and hold on the screen and pull down. iPhone or iPad:In the Fitbit app, tap the Today tab -> your profile picture -> your device image ->Tap Sync Now. Android phone or tablet:In the Fitbit app, tap the Today tab-> your profile picture-> your device image->Tap the arrows next to Sync Now.