Trixarian /NetherSX2-patch

Continuation of NetherSX2 based on AetherSX2 4248

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HTMLUnlicenseCreated 2023-08-22discord.gg/xRh3NnYyMa
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README

NetherSX2-patch
This is a continuation of NetherSX2 to build on the amazing work already done by Anon and EZOnTheEyes

They aim to do the following:
 Remove the unnecessary ad services bloat left in the apk
 Fix the RetroAchievements Notifications
 Expose more Global settings in the App Settings to the user
 Update the GameDB, Controller Support, and the Widescreen and No-Interlace Patches
 Add additional AetherSX2/NetherSX2 spesific fixes to the GameDB
 Resign the APK to Remove the Play Protect Warning

 Installing NetherSX2
Once you've grabbed a copy of the NetherSX2 APK, it's time to install it on to your device

If you were using a copy of NetherSX2 1.9a or above: 
1. (Optional) Backup your files in case something goes wrong. The easiest method is to use the AetherSX2's built in Transfer Data function by using it's Export feature to move your files to an external folder. This will backup your bios files, memcards, save states, game settings, covers and texture packs
2. Install the apk normally to update to the latest version and keep your current settings

If you were using AetherSX2 or a copy of NetherSX2 older than 1.9a:
1. Backup your files. The easiest method is to use the AetherSX2's built in Transfer Data function by using it's Export feature to move your files to an external folder. This will backup your bios files, memcards, save states, game settings, covers and texture packs
2. After backing up your files, you need to remove any previous copies of AetherSX2 or NetherSX2. Do this by Uninstalling the app normally. Be sure NOT to keep any files if prompted
3. With the Backup and Uninstalls done, all that remains is to navigate to where you put your NetherSX2 apk with your File Manager (named Files or File Manager depending on your device) and tapping it to install it to your device
4. Once installed, run the app and configure it normally. Once at the Game List screen, you can access the Transfer Data/Backup Data feature and Import the files you exported earlier by navigating to the folder you put all your backed up files. This should import your bios files, memcards, save states, game settings, covers and texture packs
5. Now spend some time redoing the Global App Settings and you should be ready to go

 Frequently Asked Questions
 Why use NetherSX2 over AetherSX2?
Use NetherSX2 if you want:
 RetroArchievements
 Online Gaming Support
 Up to date configuration files
 No Ads (for AetherSX2 3036/4248 users)
 NetherSX2 specific bug fixes for games
 Better controller support for automatic setup
 Have more control over your emulator via settings

 Which variant should I be using between Classic (3668) and Patched (4248)?
This largely depends on the games you will be playing. Generally Classic will be more performant - and some games will only function well on it like the Nascar ones - but it will be lacking some graphical and bug fixes only present in 4248. It's recommended to use 3668 with Mali or less powerful devices to get the best perfo

Top issues

Latest release

NetherSX2 v2.2n Net Dev Build 2.2n 2025-12-25
Merry Christmas, Happy Holidays and a Happy New Year everyone!

This update adds experimental Online Multiplayer to NetherSX2 along with the usual updates!
Thanks to IamLupo for adding it to ARMSX2, and zakilj3 for discovering the same settings work with NetherSX2!

VirusTotal Scan Report

 How to use Online Multiplayer
1. Go to your App Settings -- Settings and toggle on Enable DEV9 Ethernet
2. Set API to Sockets, and Device to how you want to connect online with the default being WiFi. Set this to VPN if your phone uses a VPN, and to one of the two SIM DATA options if you want to us

Snapshot: 2026-11-10T09:35:25Z · Data license Apache-2.0 · JSON