H-K-Systems by Hargriv

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

H-K-SystemsROM V7

Changelog:
  • Version: Android 13
  • Patch Level: 2025-07
  • Supported Devices: Samsung Note 20 Ultra (N986B, N985F)
  • Latest Version:
    • N986B_H-K-SystemsROM_V7_HYG1.tar (9.0 GB, released 2025-08-27)
    • N985F_H-K-SystemsROM_V7_HYG1.tar (9.0 GB, released 2025-08-27)
  • 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
  • Firmware Mods:
    • Fix Secure folder
    • Fix Private share and secure wifi
    • Screen shot app secure
    • KNOX Disable-KnoxGuard
    • Disable apk signature verification
    • Fixes optimizations
  • 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*

H-K-SystemsKernel

H-K-Systems_KSU_Next_V7.1
KernelSU-Next version: 1.1.1 HOTFIX
KernelSU-Next driver version: 12851
Patch Level: 2025-07

Changelog:
  • Based on: N986BXXSEHXJ1
  • Add KernelSU Next support
  • Disabled Samsung drivers debug
  • Fix yylloc
  • NTFS add read/write
  • Disable Samsung SECURITY DEFEX
  • Add Wireguard support
  • Disable Samsung KNOX
  • Add Boeffla wakelocks
  • Disable Samsung MOR security
  • Kernel integrity notification disabled
  • Enable I/O Schedulers and Governors
  • Enable P2P MAC randomization
  • Remove Samsung security drivers
  • USB gadget fix
  • Add fsync on/off support
  • Fix force loading of modules
  • Add switchable CRC control
  • Lock TCP size to 64K
  • Remove Fstab Vbmeta
  • Small battery fixes
  • Add new syscall hooks v 1.4

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