Trusted repositories like APKMirror or Uptodown host historical versions of the app. Installation Steps
If you get a "Parse Error," the .apk file is corrupt or not meant for API 10. Download the file again from a different mirror. android 2.3.6 true caller download
Truecaller_5.42.6.apk (File size ~ 11 MB). Modern Truecaller is over 60 MB, so a small file size is a good indicator of compatibility. Truecaller_5
Here is the challenge: Truecaller has removed support for older versions from their servers. Even if you install an old app, it may fail to log in because the server it communicates with no longer exists or has been updated to reject old protocols. Even if you install an old app, it
Finding a version of Truecaller for Android 2.3.6 (Gingerbread) is challenging because the current app requires Android 8.0 or later
If you do not receive the SMS, your carrier may have blocked shortcodes. There is no workaround for this.
Despite these hurdles, if you only need basic caller ID and you have a compatible legacy .apk file, you can make it work.