I used scotch magic invisible tape to mask that nasty glare. I'm willing to wait a year till warranty is over, than I'll take it apart and sand it down.
These are my result: (I only had my old mobile phone on me, so the photo quality is not so good).
First test to see how masking tape performs
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Fully applied. Not perfect, but it's good enough for me. Wish I had a better camera.
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Close-up.
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