Hello anh em, chúc ae xem video vui vẻ Link tải xBack tại đây nha ae: Website: www.xback.io Appstore: apps.apple.com/vn/app/xback-faster-and-more-secure/id1659638467 Google play: play.google.com/store/apps/details?id=com.xback.xback_android&hl=en_US&pli=1