ZTE Grand X Max+ - Manual (Page 49)

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System
Accessibility
Configure the system accessibility options and accessibility plug-ins on your
phone, such as using TalkBack for low-vision users .
Printing
Configure cloud printing service options, manage print jobs, and more .
Developer options
Developer options contains settings that are useful when developing Android
applications . The menu is hidden until you tap Build Number in the About
phone menu seven times .
Warning! The developer option settings are intended for development
use only . They can cause your phone and applications on it to break or
misbehave .
About Phone
View phone status, legal information, and other information . You can
also upgrade your phone system from update packages copied to the
storage card .
PHONE SETTINGS UPGRADING THE PHONE SOFTWARE
Upgrading the phone software
There are several ways to upgrade your phone software:
1 . Use the online upgrade tool for mobile terminal products .
2 . Use the one-press upgrade package offered by your mobile service
provider .
3 . Use the upgrade package on your microSDHC card .
Note: Visit the ZTE official handset service support website (http://www .
ztedevice .com/support) and click your country or region to learn more
about the above upgrade methods, as well as which phones and methods
are supported .