ContribucionesMost RecentMost LikesSolutionsRe: Syncup app not working API Core error even with full update. Is TMobile going to fix or provide refunds? Re: syncup app not working Same here even with the full update. Device is useless if I cannot see my child. Is TMobile fixing or providing full refunds? Re: i can not open syncUp kids app in my phone mussandler wrote: Tmobile please fix this. Or atleast give us a response. Or a refund! Re: i can not open syncUp kids app in my phone Same issue here. Core API failure even with full update. Will TMobile refund if this whole thing has bricked?