Project Samsung S7 LineageOS

Samsung S7 LineageOS

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”.

Compile and Install Heimdall

tool used to flash firmware to samsung phones

cd ~/LineageOS
wget https://bitbucket.org/benjamin_dobell/heimdall/downloads/heimdall-suite-1.4.0.tar.gz
tar xzvf heimdall-suite-1.4.0.tar.gz 
cd heimdall-suite-1.4.0/
cd libpit/
./configure 
make
cd ..
cd heimdall
./configure 
make
sudo make install
sudo udevadm control --reload-rules

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.

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
bin/heimdall print-pit

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

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