iPhone 4S iTunes error 50 while trying to update
I have been trying for the better part of a week to get my iPhone 4S back up and running. I'm trying to update this device to iOS 9.3.5 and every time I do so, it ends in the mysterious error 50. I've tried reinstalling iTunes, different 30-pin cables, using a different computer, using a Windows 7 BootCamp partition, tried every USB port on my computer. Every time ending in the same error.
What can I try to get this device back in action?
Other Info
Mac OS X 10.11.6 (max for my iMac)
iTunes 12.6.2.20
iOS 9.3.5 (downloaded via iTunes)
iPhone 4S, iOS 9.3.5