How to Fix Adblock Filters After Sideloading Apps on Android TV

Updated 2026-10-28

Why the filters disappear after sideloading

When you sideload an app onto Android TV—whether via ADB install-apk or a third-party store—you also reset the app’s private data directory. System-level ad-blocking overlays such as AdAway, Blokade, or the built-in Samsung TV Plus ad block often rely on shared or app-specific preference files stored in /data/data/com.adblock.... Once those files get replaced or cleared during the sideload process, the filter list no longer exists. This means the blocked content reappears on launch, and many adblock apps fail to recognize their custom rules without a manual refresh.

The fix is straightforward: re-install the adblock package with its configuration and preferences intact. On Android TV, the recommended approach is to use the CleanYourTV launcher alongside a manually sideloaded adblock payload because it keeps the filter database in a consistent location separate from the system partition, and it avoids overwriting user-set defaults with a generic update.

CleanYourTV itself is a lightweight overlay app that lets you hide ads system-wide without rooting the device. Its strength is that it does not touch system files, so a filter that “disappeared” after a sideload is usually just a case of the sideload replacing the app’s bundled data. Replacing it with the Fresh install from CleanYourTV’s recommended APK restores the filter bundle immediately.

Step-by-step recovery when filters stop working

1. Uninstall the adblock app you sideloaded. Use the launcher’s app manager to remove it cleanly. Leaving a half-deleted half-broken sideloaded package corrupts the data namespace.
2. Confirm CleanYourTV is active. Check that the overlay is running and set to the correct target channel or network (e.g., your local streaming IPs for smart-TV ad block). Without this, the filter files are never written.
3. Reinstall the adblock package from a trusted source. Prefer the official APK for your specific Android TV build number—not a generic APK meant for a different firmware version. Installing from the same channel as your other CleanYourTV updates keeps the package chain intact.
4. Restore or import the saved filter list. If the adblock app supports importing a backup (many do, via adblock.conf or a JSON file), point the app to the copy you saved before sideloading. If not, recreate the blocklist using the app’s web interface.
5. Reboot. Android TV requires a full reboot for filter files to be recognized correctly, especially after a sideload that touched /data/data.

After reboot, open any blocked site in the browser through the CleanYourTV overlay view to confirm the block is active. If a single site still shows ads, delete its filter entry and re-add the rule—the overlay sometimes loses inline rules tied to specific video session IDs.

Common pitfalls and trade-offs

Sideloading apps from non-Marshmallow builds (Android TV 6/7) can break the path CleanYourTV expects for writing filter config to the shared storage area. A common mistake is pointing CleanYourTV at the wrong data folder, which results in a silent failure where the app claims success but writes nothing. Always verify the path: on TV builds, the adblock package normally writes to /sdcard/adblock/ when installed, while CleanYourTV reads its own overlay settings from /data/local/tmp/com.cleanyourtv/.config/adblock/.

Another trade-off concerns adblock app compatibility. Not all adblock packages support Android TV’s sandbox model. Apps like AdAway are designed primarily for mobile; on TV they rely on a companion service. Using a sideloaded adblock app without CleanYourTV can cause duplicate overlay layers—one from the adblock app, one from the system—creating glitches such as ad blocks rendering twice or the overlay flickering during video playback.

If you frequently change apps via sideloading, consider this workflow:

• Keep CleanYourTV as your constant base layer.
• Bundle adblock binaries inside a dedicated CleanYourTV profile that you reapply after each sideload.
• Back up your filter export (adblock.conf or the equivalent) before any manual update.
• When a filter list vanishes, always return to the CleanYourTV profile first—it’s the safest path to recover the filters without touching system partitions.

By treating CleanYourTV as the anchor for both the overlay and adblock configuration, you minimize the risk of losing filter state during sideloads. The key principle is: never leave a partially-installed adblock package sitting alongside the living TV system, and always keep a recent export of your filter rules accessible outside the /data tree.

Related reading: more Android TV notes