A large number of iPhone 3GS users are experiencing random reboots during phone calls after upgrading to iOS 4. An Apple discussion thread dating back to June 22 and now over 900 replies chronicles the issue, which sees most affected 3GS units rebooting without any provocation from the user roughly 4-5 minutes into any telephone call. The only proven solution, according to several of the affected users, is to have the phone replaced. Coincidentally,…
