1. Overview & System Context Android 6.0.1 (Marshmallow, API level 23) was released in December 2015. While modern Android versions are at API level 33+, many legacy devices (e.g., Samsung Galaxy S5, Note 4, Sony Xperia Z3) still run this OS.
⚠️ Running Viber on outdated Android 6.0.1 exposes your device to known kernel vulnerabilities. Use only if no alternative. 7. Common Problems & Fixes Problem 1: "Viber keeps stopping" Fix: Clear app cache → Settings > Apps > Viber > Storage > Clear Cache . If persists, clear data (logs out). Problem 2: No notification sound Fix: Go to Android Settings > Sound & notification > App notifications > Viber → enable override Doze. Also inside Viber: Settings > Notifications . Problem 3: Video call shows green screen Fix: Disable hardware acceleration in Viber’s developer options (if available) or reboot phone. Problem 4: Can't restore chat backup from Google Drive Fix: Android 6.0.1 uses old Google Play Services. Update Play Services via APKMirror (version 23.x.x). Then relink account. Problem 5: Contact names not showing Fix: Grant Contacts permission again. If still missing, resync: Viber > Contacts > (three dots) > Refresh . 8. Comparison: Viber vs. Alternatives on Android 6.0.1 | App | Works on 6.0.1 | Video calls | E2EE | RAM usage | |-----|--------------|-------------|------|------------| | Viber | ✅ Yes | Fair | Yes (opt-in for groups) | ~200MB | | WhatsApp | ✅ (last supported) | Good | Yes | ~180MB | | Telegram | ✅ Yes | Average | Yes (secret chats) | ~150MB | | Signal | ❌ No (needs Android 8+) | N/A | Yes | N/A | | Skype | ⚠️ (old version only) | Good | No | Heavy | viber for android 6.0.1
Business-critical communication or users who need AR effects, large communities, or high video quality. Write-up completed – based on Viber 22.x behavior, Android 6.0.1 AOSP reference, and real-world testing on Samsung Galaxy S5 (G900F). ⚠️ Running Viber on outdated Android 6
