How to upgrade Current Branch 1902 to Current Branch 1906.. Published by Ram on July 28, 2019 In this post, I will show you how to upgrade Current Branch 1902 to 1906. Enjoy! Ram Upgrade CB1902 to CB1906 1 file(s) 1.61 MB Download HOW-TO-UPGRADE-CB-1902-TO-CB-1906 Related Categories: KB's