Here's How Long the iOS 14.3 Update Takes
If security is important to you, think about installing iOS 14.4.2 right now. iOS 14.4.2 has an important security patch on board and you can read more about the change over on Apple's website. If you missed iOS 14.4.1, you get its patch with your upgrade to iOS 14.4.2. You can read about that patch right here. If you skipped iOS 14.4, you get the update's patches with your upgrade. You can learn more about iOS 14.4's security patches right here. If you skipped iOS 14.3 you'll get its nine security updates with your upgrade. You can read more about them on its security site. iOS 14.3 al...
Source: gottabemobile.com