H-K-Systems

An advanced and highly optimized firmware and kernel solution tailored for Samsung Note 20 Ultra (N986B and N985F).

H-K-SystemsROM V9

Changelog

Version: Android 13
Patch Level: 2026-05
Supported Devices: Samsung Note 20 Ultra (N986B, N985F)
Latest Version:
- N986BXXSIHYH3_HKS_ROM_V9.zip (5.4 GB, released 2026-05-24)
- N985FXXSIHYH3_HKS_ROM_V9.zip (5.4 GB, released 2026-05-24)
List of Changes:
- Deodex
- Debloat
- Removed KNOX Analytics
- Bluetooth libraries patch
- ICD libraries patch [Official status]
- RMM protections disabled
- Forced /data encryption disabled
- DM-Verity disabled
- RKP disabled
- Decrypt CSCs
- CSC tweak
- Sepolicy patches
- System suport full RW
Firmware Mods:
- Fix Secure folder
- Fix Private share and secure wifi
- Screen shot app secure
- KNOX Disable-KnoxGuard
- Disable apk signature verification
- Fixes optimizations
- Font mod ( 300+ fonts )
- AppLock mod
- SecSettings mod ( Official status )
- BuildProp tweak
- Floatingfeatures mods
Stock Patched Kernel
- Patched: DM-Verity
- Patched: FORCEENCRYPT/FILEENCRYPTION
- Patched: RKP
- Add: EROFS/F2FS/EXT4 support for all partitions

H-K-SystemsROM Extended

MOD Extended version
Customizable Dialer
The main mod build has been updated and some mods have been completely updated.
Added a mod to change the Grid in the curtain
Mod for infinite trial period of Paid themes
Mod opening the clock and calendar by clicking on the clock and date in the expanded curtain
Mod control autoloading of applications
Mod disabling DRM protection
*Mod the number of buttons in the curtain is from 4 to 7
*Mod number of notification icons from 1 to 7
*Mod for extended Shutdown Menu in progress*
*Mods for customization and optimization of the system will be gradually added as they are ready*