For iPhone 5S, iPad Air, iPad Mini 2, & iPad Mini 3, watch my updated guide: • How to Fix Checkra1n Stuck on Right B...
I have removed the link for Rufus and replaced it with Etcher because Etcher is much easier and simpler to use. Just click green download button for Etcher and go through the easy setup. Then just open it and select the Checkn1x ISO file. Then, select the USB from the middle option to use and click the flash button. Once it's done, continue with the part of booting into the USB.
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Old Checkn1x (Just in Case): https://gofile.io/d/gkd5bW (Password = Checkra1nUSB)
(USB or SD Card) Etcher: https://www.balena.io/etcher/
(DVD-RW) ImgBurn: http://www.imgburn.com/index.php?act=...