hey.. I am talha... i am an addict player of the trials frontier its a game worth playing but a problem has occured to me a couple of times...... here is the problem first time i put my tango on an upgrade and it said 7.59.00 till upgrade them i closed the game and after couple of hours i opened it and it said that 76.00.00 till upgrade but that wasn't a big problem but now i had put my riptide on upgrade and it was an 8.00.00 upgrade .....then i played the game after 3 hours and i checked the time and now it is 1327:7:00 till upgrade... And yeah i try to use my gems for the upgrade but it doesn't works...so please tell me a solution to this cz i am fed up