Firestick 4K storage is full after installing IPTV apps — anything safe to clear?

med S · 7/5/2026

On the non‑Max 4K stick you get ~5 GB usable. Biggest culprits in order: 1. **IPTV Smarters cache** (often 500 MB–1.5 GB) — Settings → Applications → Manage Installed Apps → IPTV Smarters → **Clear cache**. 2. **TiviMate EPG cache** — same steps, or inside TiviMate: Settings → EPG → Clear cache. 3. **Downloader downloads** — every sideloaded APK stays in `/sdcard/Downloader/`. Delete after install. 4. **VLC thumbnail cache** — clear the same way. 5. **Failed OS update files** — a reboot often flushes these. Rule of thumb: one IPTV player as daily driver + VLC as fallback. More on the RAM/storage angle in our [Firestick buffering fixes](/blog/fix-firestick-buffering-iptv).