Hwfly-nx Firmware for Switch Download

A fully opensource SX Core / Lite compatible firmware for chainloading into your own payloads.

Place a compatible payload, i.e. hekate, in your sdcard root folder under name payload.bin.
After initial training (up to 5 minutes), modchip is ready and should boot quickly.
Holding VOL+ during boot prevents the modchip from going to sleep. This subsequently allows interactions with hwfly-toolbox for additional modchip operations and diagnostics.
When glitching is successful but an sdcard issue prevent loading of payload.bin, diagnostics are provided on the screen. From this screen, OFW can be booted by pressing VOL+ & VOL- simultaneously.
Holding VOL+ and VOL- during power-on bypasses any payloads and boots into OFW. Buttons must be held until glitching completes.

Download:

https://github.com/hwfly-nx/firmware/releases

Release 0.7.2 Latest Changelog
0.7.2

updated BCTs
should now work on Erista switches

0.7.1

auto power off after 2 minutes on sdloader error screen if no action is taken
better support for some SD card brands (lexar)
support for sdsc cards (<= 2GB)

0.7.0

prevent multiple payload writes during training
improved loading times for sdloader
prevent battery drain on OLED after power off from sdloader

0.6.2

add led pattern to indicate all attempts exhausted (red pulsing)
improve reflashing check
glitch mechanism: move on slightly faster to next known offset
no need to update if your device trained fine

0.6.1

glitching mechanism improvement: do not reset pulse width during initial training but adjust until correct
no need to update if your device trained fine

0.6.0

redesigned glitching mechanism; should be faster and more reliable
redesigned LED patterns provides clear diagnostics for error scenarios and process progress
updated SDloader payload. If SDcard unreadable, press VOL UP & VOL DOWN to boot OFW.
added support for SX Core & SX Lite modchips