As a seasoned web designer with a flair for digital solutions, I've spent over a decade working with various programming languages, including Swift, which is key in tackling your iPhone-related project. Your need for an iOS reinstallation on your iPhone 6s running iOS15 due to software bugs is something I'm well-equipped to handle remotely.
Having led multiple website redesigns that resulted in a 100% increase in user engagement for my clients, I am no stranger to troubleshooting and resolving complex issues. The persistent bug that you have on your device seems similar to other challenges I've successfully handled before; as such, I can bring proficient iOS know-how to resolve any issue your device might be facing.
Whether it's limited space or general software malfunctions causing repeated restarts, I’m confident in my ability to reinstall the operating system effectively from afar and restore the overall performance of your iPhone 6s. My promise to you as a professional is unwavering commitment to effective communication, efficient delivery and an unwavering commitment to exceed expectations