Hello, world!

I'm Calvin. I enjoy creating useful things, whether it's YouTube videos, scripts, or websites (like this one).

Recent Videos

HackYouriPhone archival repos are online!

HackYouriPhone archival repos are online!

388 views // Uploaded Mar. 22 2025

Watch on YouTube

Instagram revival for iOS 6: Retrogram (Tutorial)

Instagram revival for iOS 6: Retrogram (Tutorial)

1,075 views // Uploaded Feb. 16 2025

Watch on YouTube

Patch Twitter app and integration to Bluesky servers!

Patch Twitter app and integration to Bluesky servers!

341 views // Uploaded Feb. 16 2025

Watch on YouTube

Resources

Xcode

Various older versions of Xcode. An older version of MacOS is needed.

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SDKs

Various legacy iOS SDKs (iOS 2.0 - 9.2) for development.

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JailCoder

Build apps without a developer certificate.

v1.2.1 v1.2
OSX Mavericks

Pretty handy when developing for legacy iOS.

10.9.5