Install the latest version of AltServer for Windows 7 and unc0ver jailbreak for iOS 13.5
See desc for jump index, download links, how to jb with unc0ver app, and FAQ.
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Download files
Download HxD
Make sure to follow the steps in order, and reboot when asked.
00:00 Download files
01:00 Install iCloud (then reboot)
01:40 Install iTunes
02:18 Connect device to PC
02:35 Check sync over