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Upgrading the Phone Software
There are several ways to upgrade your phone software:
Use the online upgrade tool.
Use the one-press upgrade package offered by your
mobile service provider.
Use your PC to download an upgrade package to your
microSDHC card and install it to your phone from the card.
NOTE:
Visit the ZTE official handset service support website
(http://www.ztedevices.com/support) to learn more about the
above upgrade methods, as well as which phones and
methods are supported.
Summary of Contents for Z557
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