Automatic reboot. The system will reboot twice. Do not interrupt the process. If you see a blinking cursor for more than 3 minutes, do not hard-reset—the update may be performing a deep NSP table rebuild.
Verify the installation. After logging in, open a terminal or command prompt and run nspver. You should see: Build 1900544nsp - Mega Fix applied (1303 resolved). update 1303 v1900544nsp mega fix
Transfer a 10GB file over an NSP mount. The previous build would fail at roughly 3.2GB with a 1303 error. Post-update, the transfer should complete at full line rate without a single retransmission. Automatic reboot
This guide assumes you have a Nintendo Switch already hacked (RCM mode) and are running a Custom Firmware (CFW) like Atmosphère. Verify the installation