If your iPhone is a supported model Apple will likely either resolve the issue by installing a new copy of iOS or doing a full device replacement. Make sure to backup, schedule an appointment, and review service pricing before bringing a device in for repair :: - https://www.apple.com/retail/geniusbar/ - https://support.apple.com/iphone/repair/service#otherfees - https://support.apple.com/en-us/HT203977
Yes they will.
Yes
Thanks! Your answer is awaiting moderation.