Update (7/2/2022) - This tutorial still works fine, but I now have a better method that doesn’t require a computer, check it out here:
https://youtu.be/1xDrcyDME2A

If you have a first gen iPod Touch you need jailbroken, this is the video to watch!

------------------- Links -------------------

iTunes 11.2 for Windows
32-bit: https://api.ipsw.me/v4/itunes/download/windows/11.2?arch=x86
64-bit: https://api.ipsw.me/v4/itunes/download/windows/11.2?arch=x64

iPod Touch 3.1.3 Firmware IPSW File: https://sourceforge.net/projects/iostimemachine/files/iPod%20Touch%201G/iPhone%20OS%203.1.3%20%287E18%29/

redsn0w 0.9.9 beta 9d: https://sites.google.com/a/iphone-dev.com/files/home/redsn0w_win_0.9.9b9d.zip?attredirects=0&d=1

If the above version doesn't work, you can experiment with other versions all available here: https://www.iphonehacks.com/download-redsn0w

------------------- Repos for iPhone OS 3 -------------------

cydia.invoxiplaygames.uk - Includes the tweak that fixes cydia, along with some other useful stuff.

cydia.invoxiplaygames.uk/beta - More tweaks from IPG.

ios3.party - Another repo from IPG with some useful iPhone OS 3 stuff.

Thank you for watching!
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For extra uploads and YouTube Shorts, check out my second channel here:
https://www.youtube.com/channel/UCxp_KyurvP5dczEValfpDMA

Music Used:
Sunlight by TheFatRat & Phaera (Intro Music)
Link: https://www.youtube.com/watch?v=I8NrBEku5ms&ab_channel=TheFatRat

75.000 by ColBreakz (Outro Music)
Link: https://www.youtube.com/watch?v=5j7WhhhayPw

Video 23 of 2021 (Update videos do not add to this count)