Within this Android Operating Systems guidebook, you'll find:

- Money saving advice on picking out a cellphone.

- Cell phone navigation settings, such as gesture navigation or 3 button.

- Safety Tips to help your safeguard your financial information and personal data.

- In depth review of the basic and advanced settings you'll find in most Android Cellphones.

- Advice on the perfect cellphone that is suited to your individual needs.

- Information guiding you with settings such as Display, Lockscreen timeout; Airplane mode, NFC; Bluetooth; Wi-FI; SIM deactivation; App settings; Battery optimization; Safety while online; Location settings; App Permission Settings; and much, much more.