ZTE Blade Vantage Prepaid
ZTE Blade Vantage - Install Device Software Update
ZTE Blade™ Vantage - Install Device Software Update
Battery level requirements:
minimum of 40% (not charging)
minimum of 20% (while charging)
A system update won't be received while roaming.
An active Verizon Wireless 4G LTE SIM card is recommended to complete the update.
A system update can also be done over a
If prompted to update the device, skip to step 5.
From a Home screen, navigate:
Check for system update
If an update is available, tap
If presented with "your ZTE Vantage Z839 is up to date", tap
Getting the Best Performance from Your Android® Device