: Since you are on Lollipop (Android 5.0), you can install the Xposed Framework to add custom features (like navigation bar tweaks or battery savers) that usually require a custom ROM. Quick Specs Reference Processor Intel Atom x3-C3200 (Quad-core) RAM Latest Official OS Android 5.0.2 Lollipop Recovery Mode Power + Vol Up (then select Recovery) Devices - LineageOS Wiki