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 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*
📸 Screenshots
Screenshot Screenshot Screenshot Screenshot Screenshot Screenshot

H-K-Systems Kernel Extended

🧪 BETA TESTING IN PROGRESS

The migration to the new ROOT Manager solution ( ReSukiSU ) backend has been completed. The kernel has successfully entered the closed beta testing phase to ensure system stability, security policies compliance, and performance. If you are an Extended version user and wish to participate in the closed beta testing, please contact the administration directly in our Telegram support group.

H-K-Systems_N20U_Extended_V9 --- Beta test started.
ReSukiSU version: 4.1.0
ReSukiSU driver version: 34967
Patch Level: 2026-04

Planned Kernel Changelog
  • Based on: N986BXXSEHXJ1
  • Add ReSukiSU 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
📸 Screenshots
Screenshot Screenshot Screenshot Screenshot Screenshot

Quick Navigation

Download Install Guide H-K-Systems-Utils Basic Root Hiding

Need support? Join our Telegram group.

© 2026 Hargriv. Unauthorized mirrors or reposts are prohibited. By downloading, you agree to the License Agreement.