Microsoft has started rolling out a new update to OneDrive for iOS that bumps the app to version 7.7 and brings along a couple of fixes, including that for a screen flashing bug. The screen flashing problem in question occurs when opening a photo from the Photos tab, the change-log for the update says. Aside from this issue, the update also fixes a scenario where-in sharing doesn't not work when a file is open. The updated app can be downloaded from the App Store - head to the Source link below. Source
Source: http://www.gsmarena.com/new_update_to_onedrives_ios_app_fixes_screen_flashing_problem-news-19696.php