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🔐 How to Add Device Activation Key Dialog to Any APK using MT Manager 📱 | Smali Code Tutorial 💻📂

 

Are you looking to protect your Android APK by adding a device activation key dialog before users can access the app? This guide shows you exactly how to do it using MT Manager and Smali code editing — no PC required!

📌 What You’ll Learn:

  • What is MT Manager and why it’s useful for APK editing

  • How to locate and edit Smali code

  • How to insert a simple activation key dialog

  • Steps to block access without the correct key

  • Bonus: UI tweaks and protection tips

🧰 What You Need:

  • MT Manager (installed on your Android device)

  • A target APK file you want to modify

  • Basic understanding of Smali (not required, but helpful)

  • Dialog File 

  • Github Account

📥 Download Section

Looking for files and tools? Download them below:

🔗 MT Manager (Latest Version) 👉 Download 

📦 Sample APK 👉  Download 

📁 Dialog File 👉 Download 

📝 Password : On Dialog File 


🔎 Tags:

APK Modding, MT Manager, Smali Tutorial, Android Protection, Device Key, APK Activation, APK Security, DialogBox, Java Android, Decompile APK