After Deploying into ipad, some blotchiness on wall and corners, also the textures are in very low resolution?

Hi Guys, Please help me out with this error, after deploying into ipad all the textures are in very low resolution and I get some blotches on the wall, even light isn’t reacting as it should be.
If i deploy on Mac OSX i get very good quality but in ipad i get this artifacts with low resolution output.

Is their any other workflow for deploying into ipad other than unreal documentation, if yes please share i am in need, thank you in advance and god bless.

Hello,

Thank you for your report. We were not able to investigate this on the engine version you reported, but there have been many version changes to UE4 since this question was first posted. With a new version of the Engine comes new fixes and it is possible that this issue has changed or may no longer occur. Due to timetable of when this issue was first posted, we are marking this post as resolved for tracking purposes. If you are still experiencing the issue you reported in the current engine version, then please respond to this message with additional information and we will investigate as soon as possible. If you are experiencing a similar, but different issue at this time, could you please submit a new report for it.

Thanks!