Samsung Galaxy A55 5G SM-A556B (a55x)

For unofficial TWRP build release, go to release - version A55X-TND_B003.5.

Flash Steps

Assuming you know the basic of flashing...

• Via ODIN
  • Download twrp-vendor_boot.tar file in the release.
  • In ODIN, in AP section, flash the file you downloaded in release section.
  • Reboot now to Recovery.
• Via FastbootD
  • Download recovery.cpio.lz4 file in the release.
  • Reboot your device to fastbootd, and in command line, type: fastboot flash vendor_boot:recovery recovery.cpio.lz4
  • Run: fastboot reboot recovery

Build Steps

Assuming you know the basic of preparing build environment...

• TWRP Source:

repo init --depth=1 -u https://github.com/minimal-manifest-twrp/platform_manifest_twrp_aosp.git -b twrp-12.1

sed -i '/<remove-project name="platform\/external\/gflags"  \/>/d' .repo/manifests/remove-minimal.xml

repo sync -j$(nproc --all) --force-sync

• Device Tree (Make sure you are in root directory of TWRP source.):

git clone https://github.com/cd-Crypton/custom_recovery_tree_samsung_a55x -b twrp-12.1 ./device/samsung/a55x

• Build (Make sure you are in root directory of TWRP source.)

source build/envsetup.sh; export ALLOW_MISSING_DEPENDENCIES=true; lunch twrp_a55x-eng; mka vendorbootimage

• Check vendor_boot.img in $OUT directory.