Having read (some of) your previous thread on this subject and noted the things you have tried, it seems as if you are fast running out of options.
Maybe it`s time to give Ms a try and see if their guided help can come up with the answer:
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?