The iphone XR waterproof Underwater is 30 minutes.
Is the iPhone XR waterproof without a case?
Yes, the iPhone XR waterproof without a case
Please be aware it is only for a new iPhone XR, for a used iPhone XR , not recommend used for water resistant , recommend using an iPhone XR Waterproof Case.
Does iPhone XR need a waterproof case?
Yes, iPhone XR need a waterproof case while iPhone XR has powerful IP67 Water Resistant Rating but design with low level protection of shock,drop, impact. they will destory the iPhone XR water Resistance easily!
If you want to keep you iPhone XR safe and keep the iPhone XR Waterproof ability last longer, Recommend using a Waterproof Case for iPhone XR