Our developers are aware of an issue where players logging into the game are stuck at “Synchronizing Personal File”. Once the issue has been properly diagnosed our dev team will release a fix in an upcoming update 3.5.1. We shall contact you for additional information, if needed, and we sincerely appreciate your interest in the improvement of World Of Tanks Blitz. Please do not hesitate to contact us if you have any further questions or concerns. Best Regards,