diff --git a/content/text/android-app-decompiling.txt b/content/text/android-app-decompiling.txt
index 3f0c709..ec034e7 100644
--- a/content/text/android-app-decompiling.txt
+++ b/content/text/android-app-decompiling.txt
@@ -8,7 +8,7 @@ https://archive.ph/zDaV6
 - used during Lutron hacking
 
 Tools:
-$ sudo apt install adb apktool openjdk-11-jdk-headless zipalign
+$ sudo apt install adb apktool openjdk-11-jdk-headless zipalign apksigner
 $ locate apktool
 - replace apktool with new version:
 - https://github.com/iBotPeaches/Apktool/releases
@@ -29,16 +29,23 @@ $ apktool d application.apk -o output/
 
 Compile:
 $ apktool b output/ --use-aapt2 -o patched.apk
+$ zipalign 4 patched.apk patched2.apk
 
 Sign:
+- disable verification over USB in developer settings?
 - the following just once:
 $ keytool -genkey -v -keystore release.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000
-$ jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore release.keystore patched.apk alias_name
+$ apksigner sign --ks release.keystore patched2.apk
 
 Install:
-$ adb install patched.apk
+$ adb install patched2.apk
+
 
 Read logs:
 $ adb logcat -c
 
 
+Old instructions
+----------------
+
+$ jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore release.keystore patched.apk alias_name