Upgrading The Phone Software - Zte GRAND X4 User Manual

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 your PC to download an upgrade package to your
microSDXC card and install it to your phone from the 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.
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