Install a custom lightweight launcher, disable background services, use Firefox Focus instead of Chrome, and keep it offline except for streaming apps. Consider flashing LineageOS if an unofficial build exists (check XDA forums for TB-8505X specific threads).
Would you like help troubleshooting a specific issue on your TB-8505X, such as slow performance or Wi-Fi problems? lenovo tb-8505x
Pay no more than $30–40 USD. For $70–100, buy a newer tablet like the Samsung Galaxy Tab A7 Lite (better software support) or Amazon Fire HD 8 (12th gen) (faster SoC, 2024 updates). Install a custom lightweight launcher