Project Samsung S7 LineageOS

Samsung S7 LineageOS 16

Info below is probably outdated. As of 2022/06, S7 support for latest (Android 12/LineageOS 19.1) is here: https://forum.xda-developers.com/t/lineageos-19-1-android-12l-signature-spoofing-ota-updates-for-s7-exynos.4368995/

Preparation

Get ADB

mkdir ~/LineageOS
cd ~/LineageOS
wget https://dl.google.com/android/repository/platform-tools-latest-linux.zip
unzip platform-tools-latest-linux.zip
echo '
 if [ -d "$HOME/LineageOS/platform-tools" ] ; then
   export PATH="$HOME/LineageOS/platform-tools:$PATH"
 fi' >> ~/.profile
. ~/.profile
adb version

Prepare S7 for ADB

• Open Settings, and select “About”.
• Tap on “Build number” seven times.
• Go back, and select “Developer options”.
• Scroll down, and check the “Android debugging” or “USB debugging” entry under “Debugging”.
• Plug your device into your computer.
• On the computer, open up a terminal/command prompt and type adb devices.
• A dialog should show on your device, asking you to allow usb debugging. Check “always allow”, and choose “OK”.

Install Heimdall

git clone https://github.com/Benjamin-Dobell/Heimdall.git
cd Heimdall
git fetch
git fetch --tags
git checkout v1.4.2
cat Linux/README 
zypper se cmake
zypper se zlib
zypper se qt5 | grep devel
zypper se libusb
zypper se libgl
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make
bin/heimdall version

Phone should reboot now. Make sure it goes to odin mode again (Vol-/Home/Power)

Start Samsung S7 in Download Mode

• Power off the device
• Connect the USB adapter to the computer (but not to the device, yet).
• Boot into download mode: With the device powered off, hold Volume Down + Home + Power.
• Accept the disclaimer
• Insert the USB cable into the device.

Start Heimdall on Phone

bin/heimdall print-pit

Install Custom Recovery TWRP

wget https://dl.twrp.me/herolte/twrp-3.3.1-0-herolte.img

Install LineageOS with Google Apps

• Reboot into Recovery with Vol+/Home/Power
• Wipe / Format Data / Factory Reset
• DL unofficial S7 v16.0 from here: https://forum.xda-developers.com/galaxy-s7/development/beta-lineageos-16-0-s7-herolte-t3842465 (or build your own)
• Start adb dl on phone and

adb sideload lineage-16.0-20190709-UNOFFICIAL-herolte.zip

• DL Google Apps (arm64 version) from https://opengapps.org/?api=9.0&variant=stock (or use e.g. smaller nano instead of stock)
• Start adm dl on phone again and

adb sideload open_gapps-arm64-9.0-stock-20190906.zip

• Finally reboot phone with

adb reboot