crwdns2934241:0crwdne2934241:0 mad max

crwdns2934249:0crwdne2934249:0:

mine turned out to be there because of the "Power Saving Mode"

Settings > General > Power Saving> Power Saving Mode > Restrict Performance > uncheck the "screen brightness" box/option

crwdns2915684:0crwdne2915684:0:

open