Great news to all PROBOX2 Air Plus users. There is an OTA update on your TV Box. Actually, there was one before this latest 20170603 firmware. That one has system optimization and some minor bugs fixed 20170523. Same apply to this one. Yes, PROBOX2 team is giving out their best on continuously support and improve PROBOX2 Air Plus no doubt. There are 2 methods to install the latest firmware – OTA and TF Card. Just pick the one that suit you most.