Atmosphère vs DeepSea

Updated 2026 · ~5 min read

The classic confusion when first installing Switch CFW: "do I install Atmosphère or DeepSea?" Short answer: DeepSea is Atmosphère + Hekate + sigpatches + popular tools, all bundled. They aren't competing — DeepSea is a curated pack that contains Atmosphère.

Core CFW

Atmosphère

  • The pure CFW (SciresM & team)
  • Updated every 4–8 weeks
  • You assemble the rest yourself
  • Always-latest on GitHub
All-in-one bundle

DeepSea

  • Team Neptune's regular releases
  • Atmosphère + Hekate + payloads
  • sigpatches included
  • Bundles Goldleaf, EdiZon, Checkpoint, sys-clk, more

What's in each

ItemAtmosphèreDeepSea
Atmosphère coreYesYes (same files)
Hekate bootloaderGet separatelyYes, latest
fusee.binYesYes
sigpatchesGet separatelyYes, auto-updated
GoldleafGet separatelyYes
EdiZonGet separatelyYes
CheckpointGet separatelyYes
sys-clk / sys-con / sys-ftpd-lightGet separatelyYes
Tesla Menu + popular overlaysGet separatelyYes
NRO files placedNoCommon NROs already placed

Setup time

Pure Atmosphère path (advanced)

  1. Extract Atmosphère zip to SD root
  2. Download Hekate separately, drop in /bootloader/payloads/
  3. Get sigpatches separately, drop in /atmosphere/exefs_patches/
  4. Add NROs one by one to /switch/
  5. Time: 1–2 hours (round-tripping multiple repos)

DeepSea path (beginner)

  1. Extract DeepSea zip to SD root
  2. Boot
  3. Time: 10 minutes
Update lag: Atmosphère core ships hours-to-days after each new HOS release. DeepSea has packaging lag and is often 1–2 weeks behind. If you need to update HOS quickly, raw Atmosphère wins.

Maintenance (operating phase)

ScenarioAtmosphère onlyDeepSea
Monthly bugfixTrack one repoWait for full bundle update
New HOS supportDays1–2 weeks behind
Per-tool updatesManual NRO updatesBundle update covers all
AIO Switch Updater compatYesYes

Customization headroom

Atmosphère-only lets you skip tools you don't need:

DeepSea ships everything; you delete what you don't want. If your microSD is tight (32 GB and below), Atmosphère-only avoids the bloat.

sigpatches: required for installing NSPs, but tied directly to running unsigned commercial copies — legally gray depending on jurisdiction and source. DeepSea bundles them; usage is on you.

Verdict — which do you pick?

First-time CFW install or you want everything ready → DeepSea.

10 minutes to a working homebrew environment, no decisions paralysis on which tools to grab. Many people start here, learn what they actually use, then migrate to a leaner Atmosphère-only setup later.

Experienced / want fastest HOS support / want a minimal SD → Atmosphère only.

Faster updates, only the tools you actually need.

Planning to use the secretchat.tel loader? → DeepSea's all-in-one setup is the fast lane. The loader runs under Atmosphère, but boot it on SysMMC (see SysMMC loader vs EmuMMC cheats).

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