New version update nahi ho raha h 14.6
Iphone s6 new version update nani ho raha h 14.6
iPhone 6, iOS 12
See the articles below.
Get help with over-the-air iOS updates
Update – Can’t or can’t restore
Have you tried using iTunes on a computer or Finder if running Catalina or later to do the update?
Update software on iOS devices in iTunes on Mac
If you see an error when you update or restore your iPhone, iPad, or iPod
Updating iOS: common issues and solutions