I have brought Moto G4 plus but now I have observed some scratches on my camera can Motorola Replace My camera lens for free
I have faced same problem with my phone Moto G4 plus and I searched in google and find near best Motorola Cell Phone Parts Store. I think, you should need to go there or order online Moto G4 Plus Camera Lens Glass.
Use Micro Mesh 12000 grade to remove the flaky coating. Moisten the corner of the cloth a bit with isopropyl alcohol, then rub. 100 % fix, no mess.