Why Iphone 6 Can T Update Ios 13. Since September 2019 when iOS 12 was moved to long. 1251 was the most recent update for the iPhone 6.

The iOS 13 system left out certain iPhone models including the iPhone 5S iPhone 6 and iPhone 6 Plus. Check Apples servers and make sure things look normal. Your iPhone cant update to iOS 133 if the battery is low on charge.
I hope then you wont get an iPhone update error.
But not every iPhone user was included in the update. When Apple releases a major software update like iOS 13 its not uncommon for their servers to become overloaded. You may just need to wait a few hours before downloading the update. Since September 2019 when iOS 12 was moved to long.
