Newer updates often change the UI, making it harder to navigate if you were used to the old layout.
Some older versions allowed direct simulation of messages into the device's actual SMS database, a feature that newer Android security protocols (Android 4.4 and above) have restricted. System Compatibility: fake text message old version apk
If possible, test the APK on an old device that doesn't contain your personal data or accounts. How to Install an Old Version APK Newer updates often change the UI, making it
Users may prefer a specific "classic" layout that mimicked older versions of iMessage or Android SMS. Top Apps and Version History Newer updates often change the UI
Follow the on-screen prompts to complete the setup. Ethical Use and Privacy