[Samsung Galaxy J7 ROMs, Kernels, Recoveries, & Oth] SandwichEater:
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Sandwich Kernel for J7 2015:-​

This kernel works in android 9 to 12L roms, in J700F/H/M only, we will not take any responsibility if anything goes wrong.

Introduction:-

A custom kernel made for J7 2015 AOSP roms.

Sandwich kernel is based on universal exynos 7580 lineage os kernel source.

It aims to improve the overall experience in all aosp based Android 9 to 12L roms.

It has many features, tweaks given as below.​

Compatible ROMS:-

ANY ANDROID 9 to 12L AOSP ROMs

Features:-

- Compiled with Linaro Toolchain 7.5 2019/12 (Updated GCC to 7.5)

- Applied Graphite, Ofast, unroll-loops & gcc optimizations

- Removed overclock and reverted back to stock frequencies

- Overclocked GPU from 668mhz to 800mhz

- Tweaked for overall improvement in Battery backup & performance

- Added New CPU governors

° Intelliactive (default)

° ConservativeX

° InteractivePro

° OnDemand (might have reboot issues, untested)

- Added New I/O schedulers

° Noop (default)

° Maple

° Deadline

° CFQ

- Removed sluggish stock dynamic exynos 7580 hotplug and introduced Lazyplug

- Lazyplug hotplug

- Applied Powersuspend hooks in GPU, CPU governors, etc

- Various features from later kernel versions backported (Thanks to LineageOS team)

- Added Latest Wireguard support

- Enabled Simple Low Memory Killer

- Enabled zRAM with Lz0 & Lz4 compression algorithm (Thanks to Danny from LineageOS team)

- Disabled CRC check by default

- fSync toggle

- Boeffla Wakelock Blocker 1.1.0

° Few wakelocks added to the list by default.

- Power efficiency feature by NVIDIA™

- Powersuspend Driver

- fSync Toggle

- Updated fRandom driver (This should increase the speed of random numbers generation)

- NVS hibernation driver

- Tweaked Thermal throttle of GPU

- Tweaked TCP speed (improvement in internet)

- Selected 'westwood' as default TCP congestion algorithm (improve overall internet experience)

- Optimized 'westwood' tcp

- The device will enter the deep sleep more quickly

- Improved CPU load management

- Improved multitasking

- Support F2FS file system (Thanks to J7 LineageOS team)

- SeLinux toggle switch

- LinaroTC optimizations

- Minor Memory leaks fixed

- Total project revamped

- And many underhood optimizations

Installation:-

1) Boot into TWRP

2) Wipe Cache, Dalvik Cache

3) Install the Kernel zip

New update is released, make sure to install the latest version

Latest Build Version: Final

Kernel: Linux 3.10.108

ROM Required: Any Android 9 to 12L AOSP based rom

Download:-

SirRGB ROMs - Browse /j7elte/SandwichKernel at SourceForge.net

Doing a lot of custom roms for many devices

sourceforge.net

Source:-

GitHub - AhmadKhan006/SandwichKernel: Customized Kernel made for Samsung Galaxy J700F/H/M with extra features

Customized Kernel made for Samsung Galaxy J700F/H/M with extra features - AhmadKhan006/SandwichKernel

github.com

Join Telegram Group for support:-

Project Aqua || Chat Group

A initiative started by Ashwani with other fellow devs that aim in bringing new and amazing ROMs For J7 2015 (J700F/H/M)	Official channel: @ashwani_j7	Offtopic Group: @oftopic_j72015csrom	Get all Custom Roms here: @j7elte

t.me

Credits:-

- @lineageos for kernel source, and its contributor's

- @danwood76 (Helped me alot, his guidance helped me to achieve this milestone)

- @themagicalmammal (Thanks for his wonderful repo)

- @prashantp01 (Thanks for his wonderful repo)

- @Ashwani_02 (For his love and support, encouragement and for taking J7 community more ahead)

- @ayushrayofficial (For love and support)

- @dariotr (For his wonderful LineageOS for J7)

- @Stricted (For TWRP, contribution in kernel source)

- @arter97 for lazyplug and few commits

- And all of the great members of J7 community