please i need help with the software update

sod09:
there is an icon like padlock beside the minute reading when you start watching click it.
It's will change

thanks it worked

please i need your advice,i recently purchased the hot4 and received the software update,i wanted to find out if i can do it at home or if i should go to their infinix care for them to do it(and also to find out if the update still has bugs or if its smooth)...........and also my videos play only in landscape mode even when the phone is on portrait mode....it just started doing that recently...is there anything wrong or is it normal.......thanks