I have a Samsung S8+, today idk why I’m having this green/yellow screen issue with black strips, anything I can do??
(Ignore the crack in the bottom it’s been there for years lol)
Unfortunately I can't see your video until a Team Member moderates it.
Can you upload a picture of the issue ?
Via dialing *#0*# in the phone's phone app it should bring up a list of colour panels which you can rotate through to see if this helps however if the issue is the connection between the internal boards and display this won't help.
The phone may need to be looked at via a Samsung Service Centre.
However if the phone's screen has a cracked then the Service Centre will more than likely advise that will need repairing to bring the phone back to warranty standard which wouod involve a cost.
I note you say it's be3n there years so if the 2 year manufacturers warranty was expired then one wouod have to weigh up the current value of the phone in relation to a Repair costing.
I wish you all the best. 
