C1 streambox firmware latest updated on 8th Jan 2016
Download link:https://1drv.ms/u/s!AlcUWFupu5RFgrAaLseHvSbAER1dHA
Upgrade steps:
1. Download firmware from above link on PC.
2. Copy to USB thumbdrive.
3. Go to MENU-Update & Backup on the box to upgrade.