TikTok is officially compatible with Android 5.0 (Lollipop) and newer versions. For a device running Android 5.1.1
To ensure a "verified" and safe installation outside the Google Play Store, users typically turn to reputable third-party repositories that mirror official releases:
Have questions about your specific Android 5.1.1 device? Drop a comment below (or join our Telegram group for legacy Android support).
Step 2: Download the Verified APK from a Trusted Mirror
Do not search Google randomly. Use only these two repositories (both manually verify signatures):

