Download latest Dongle manager than open and update your dongle firmware
Dongle manager -https://dl1.infinity-box.com/00/pub.php?dir=&uid=18771&file=DongleManager.7z
CM2MT2 Latest v2.23-https://dl1.infinity-box.com/00/pub.php?dir=/software/&uid=18771&file=InfinityBox_install_CM2MT2_v2.23.7z
CM2MT2 boot pack file-https://dl1.infinity-box.com/00/pub.php?dir=/software/&uid=18771&file=InfinityBox_update_CM2MT2_boot-pack_v2.21a.7z