Performance Size
Sometimes, despite your best efforts, Android 4.0 is simply too old. The certificates (SSL/TLS) used by Instagram might be too modern for the operating system. In this case, try these alternatives: download instagram lite apk for android 4.0
Since Google Play Store support for Android 4.0 has largely ended, you will likely need to download the APK from a reputable third-party mirror: Instagram Lite (Android 4.0.3+) APKs - APKMirror Performance Size Sometimes