If you’re still ripping and tearing through Hell on your Nintendo Switch, you might have come across the DOOM – NSP Update 1.0.3 file floating around. While the official eShop version auto-updates, this standalone update patch is popular in the homebrew and backup scene. But is it worth installing? Let’s break it down.
Id Software and Panic Button have quietly rolled out Update 1.0.3 for the critically acclaimed DOOM on Nintendo Switch. While the official patch notes are sparse, the community has been digging through the demon guts to find out exactly what has been updated in this nearly 600MB download.
Here is everything you need to know about the DOOM - NSP Update 1.0.3. DOOM -NSP Update 1.0.3-
The original version of DOOM used a static dynamic resolution that was too aggressive. In busy scenes, the game would drop to as low as 360p in handheld mode, leading to a "pixel soup" effect.
Speculative: Several audio-philes on forums claim the dynamic range on handheld mode has been slightly tweaked—the Super Shotgun’s blast sounds less compressed, while ambient demon growls are more directional in portable mode. If you’re still ripping and tearing through Hell
We tested the 1.0.3 NSP on a standard Nintendo Switch (Mariko model) and an OLED Switch. Note: No overclocking was applied.
| Metric | Handheld Mode (720p native) | Docked Mode (1080p upscale) | | :--- | :--- | :--- | | Target Framerate | 30 FPS | 30 FPS | | Average Framerate | 28-30 FPS | 29-30 FPS | | Lowest Drop | 22 FPS (Argent Tower, heavy combat) | 24 FPS (The Necropolis, multiple Summoners) | | Resolution Range | 480p - 540p (Temporal upscaling) | 576p - 720p | | Input Lag (Gyro off) | ~80ms | ~70ms | | Input Lag (Gyro on) | ~95ms | ~85ms | Yes, if:
Verdict: The game is not a locked 30 FPS like Metroid Prime Remastered. It stutters. However, v1.0.3 made the stutters graceful. Instead of frame-pacing judder, you get a slower transient. It is remarkably playable for a 2016 AAA game running on 2017 mobile hardware.
Yes, if:
No, if:
This NSP update is available from scene releases (e.g., “DOOM update v1.0.3 NSP”). Use only with your own legally dumped copy of the game. Installing on unmodified Switch is impossible without custom firmware.