ZTE Kis3 - Manual (Page 153)

152
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 ZTE official handset service support website
(
www.ztedevices.co.uk/support.html ) to learn more about the
above upgrade methods, as well as which phones and methods
are supported.