iPhone 5s & 6 Different Viewport Sizes?

I have been trying to get the best possible screen size for different phones but it ends up looking fuzzy.
Atm in umg it doesn’t have a Screen Size preview for iPhone 6 but when launching the game I can at least check it out.

I don’t know why but my iPhone 6 Viewport size is set to be 667x375, which leaves all the textures fuzzy. My iPhone 5s does the normal 1136x640. I end up have to scaling it from 375 to scale 0.35 which gets the correct size but it looks crap.

Is there anyway you can can set the original screen resolution which is 1334x775 to iPhone 6 so it becomes more crisper. I’m also wondering if someone has had any similar problems with iPhone 6 plus since I don’t own one. Don’t want to have problems with that has well.

I fixed it by adding the following to Config/DefaultDeviceProfile.ini

[iPhone6 DeviceProfile]

+CVars=r.MobileContentScaleFactor=2