Usually, his phone would display "Unknown" or "No Caller ID." But version 11.16.7 was different. The screen turned a deep, bruised purple. A single name materialized in jagged white text:
If you do go the APK route, double-check the source, scan the file, and never grant it root access or accessibility permissions. truecaller version 11.16 7 apk download
Truecaller’s server-side kill switch for older versions. Solution: Unfortunately, there is no fix. The company occasionally blocks very old versions from accessing the phone number database. If you see this, you must upgrade to a newer version. Usually, his phone would display "Unknown" or "No Caller ID