Sup M3 Custom Firmware Exclusive Jun 2026

The process takes about 12 minutes and involves a terrifying 30 seconds where the screen goes completely black. That’s the bootloader being rewritten.

Standard CFW lets you use scanlines. The allows you to inject GLSL shaders via a software renderer. You can run CRT-Lottes or LCD-Grid shaders without dropping frames because the developer rewrote the GPU driver in assembly. sup m3 custom firmware exclusive

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