Xcode 7.0 and iOS5 compatilibity

1) I cant use my iPad with iOS 5.1.1 in XCode 7.0 (7A220). In "Devices" window:

"Unsupported device model: "iPad is of a model that is not supported by this version of Xcode..."

2) Is impossible to upload iOS 5 simulator to Xcode 7; the oldest available is iOS 6.

What can I do to work this iPad withXcode 7?

Which version of Xcode is compatible with macOS 10.15 7?

Per https://developer.apple.com/support/xcode/ , XCode 12.4 is the latest version that runs on Catalina. You will need a newer version to submit to the App Store.

Which Xcode is compatible with High Sierra?

You should be on macOS High Sierra (10.13. 4+) and have Xcode 9.4+.

Does Xcode 11 support ios8?

Xcode 11 supports on-device debugging for iOS 8 and later, tvOS 9 and later, and watchOS 2 and later. Xcode 11 requires a Mac running macOS Mojave 10.14. 4 or later.

What version of Xcode do I need for El Capitan?

You will need Xcode 8.2.

XCode hasn't supported iOS 5 simulation for longer than that. Check my post on the thread Install ios 5 simulator to xcode 5.1? to see how I ran iOS 5 simulators on a mac with recent versions of XCode loaded.