Lenovo A7-40 Tablet - Manual (Page 22)

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 access , Security, Language & input and
Backup & reset.
Location access
Tap Settings > PERSONAL > Location access , you can enable apps to use
your location information and select how your tablet determines its location.
GPS satellites : Pinpoint your location using GPS.
WLAN & mobile network location: Let apps use Google's location service
to estimate your location faster.
Security
Tap Settings > PERSONAL > Security to access security settings, which
include: SCREEN SECURITY, ENCRYPTION, *SIM CARD LOCK,
PASSWORDS, DEVICE ADMINISTRATION and CREDENTIAL STORAGE.
SCREEN SECURITY: You can set the screen lock method, and owner
information to be displayed on the lock screen.