ContribucionesMost RecentMost LikesSolutionsRe: Need charging cable for SyncUp Tracker I also purchased the Coolpad OG charger athttps://www.ebay.com/itm/184474572568. It charges🔋just like the TMobile OEM. Re: sync up tracker goes offline Hold down the button until the little light starts blinking like a xmas🎄 tree. I'm not sure the button has any other use. Re: sync up tracker goes offline I've had these trackers for several years. They now work better than before. Also, I recommend routinely rebooting them every week…just like yur computer or cell phone.