![What are these stains on my iphone 13 pro and can i remove them? I use a mous limitless 4.0 case and the marks appear where the turquoise lining on the inside What are these stains on my iphone 13 pro and can i remove them? I use a mous limitless 4.0 case and the marks appear where the turquoise lining on the inside](https://i.redd.it/what-are-these-stains-on-my-iphone-13-pro-and-can-i-remove-v0-5hczgp8pg2991.jpg?width=4032&format=pjpg&auto=webp&s=0ec749932ec6773ea5f8acbcf3ac89b39d99989e)
What are these stains on my iphone 13 pro and can i remove them? I use a mous limitless 4.0 case and the marks appear where the turquoise lining on the inside
![iPhone 13 Pro & iPhone 13 Pro Max review: Exceptional phones but the Pro Max underwhelms | AppleInsider iPhone 13 Pro & iPhone 13 Pro Max review: Exceptional phones but the Pro Max underwhelms | AppleInsider](https://photos5.appleinsider.com/gallery/44650-87056-Edge-of-iPhone-13-Pro-on-Edge-xl.jpg)
iPhone 13 Pro & iPhone 13 Pro Max review: Exceptional phones but the Pro Max underwhelms | AppleInsider
![iPhone 13 Pro Max Silver OXIDATION on stainless steel - this phone is from a friend of mine who just sent to me asking why this is happening, he uses case since iPhone 13 Pro Max Silver OXIDATION on stainless steel - this phone is from a friend of mine who just sent to me asking why this is happening, he uses case since](https://i.redd.it/st1pbej25l491.jpg)
iPhone 13 Pro Max Silver OXIDATION on stainless steel - this phone is from a friend of mine who just sent to me asking why this is happening, he uses case since
![Apple iPhone 13 Pro Graphite 6.1" 1TB 5G Unlocked & SIM Free Smartphone MLVV3B/A | Appliances Direct Apple iPhone 13 Pro Graphite 6.1" 1TB 5G Unlocked & SIM Free Smartphone MLVV3B/A | Appliances Direct](https://www.appliancesdirect.co.uk/Images/TR12225_5_Supersize.png?v=14)
Apple iPhone 13 Pro Graphite 6.1" 1TB 5G Unlocked & SIM Free Smartphone MLVV3B/A | Appliances Direct
![I think the iPhone 13 Pro should drop the stainless steel finish and bring in something even better | T3 I think the iPhone 13 Pro should drop the stainless steel finish and bring in something even better | T3](https://cdn.mos.cms.futurecdn.net/hS7b9hUkLDVRb5PDEXxBoD.jpg)