Lenovo A8-50 Tablet - Manual (Page 22)

Tap Settings > DEVICE > Storage to view internal storage, total space, and
external USB device storage.
Nominal capacity calculation
method：1GB=1,000MB=1,000,000KB=1,000,000,000 bytes
Operating system calculation
method：1GB=1,024MB=1,048,576KB=1,073,741,824 bytes
The system itself occupies some space; therefore, available space will be less
than that calculated.
Battery
Tap Settings > DEVICE > Battery to check battery usage data, remaining
power status, and battery usage history details.
Apps
Tap Settings > DEVICE > Apps , you can easily manage and delete selected
applications.
You can also filter any running applications or applications provided by third-
party software developers in the applications list.
After selecting an application, you will then be able to see its details and
related information. You will also be able to perform functions such as Force
stop, Uninstall, Clear cache and Clear data, etc..
4-3 PERSONAL
This setting includes:Location, Security, Language & input and Backup &
reset.
Location access
Tap Settings > PERSONAL > Location , you can enable apps to use your
location information and select how your tablet determines its location.
Security
Tap Settings > PERSONAL > Security to access security settings, which
include: SCREEN SECURITY, ENCRYPTION, *SIM CARD LOCK,
PASSWORDS, DEVICE ADMINISTRATION and CREDENTIAL STORAGE.