diff --git a/android-builder-docker/README.md b/android-builder-docker/README.md
index a2680a9..f60030c 100644
--- a/android-builder-docker/README.md
+++ b/android-builder-docker/README.md
@@ -6,6 +6,24 @@
 #####################
 mkdir ~/redroid && cd ~/redroid
 
+# check supported branch in https://github.com/remote-android/redroid-patches.git
+repo init -u https://android.googlesource.com/platform/manifest --git-lfs --depth=1 -b 11.0.0_r48
+
+# add local manifests
+git clone https://github.com/remote-android/local_manifests.git ~/redroid/.repo/local_manifests -b 11.0.0
+
+# sync code
+repo sync -c
+
+# apply redroid patches
+git clone https://github.com/remote-android/redroid-patches.git ~/redroid-patches
+~/redroid-patches/apply-patch.sh ~/redroid
+
+#####################
+# fetch code (LEGACY)
+#####################
+mkdir ~/redroid && cd ~/redroid
+
 repo init -u https://github.com/remote-android/platform_manifests.git -b redroid-11.0.0 --depth=1 --git-lfs
 # check @remote-android/platform_manifests for supported branch / manifest