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The upgrade can be completed in 2–3 minutes. When the "Install from
4.
sdcard complete" message is displayed, press the lower Volume key to
select reboot system now. Press the Power key to confirm the selection.
The mobile phone then automatically reboots. After your mobile phone is
started, it is recommended to tap Settings > Backup & reset > Factory
data reset to restore your mobile phone to the factory defaults to improve
mobile phone stability. The mobile phone can then be used, see Figure
3-10.
<以上所有信息均为中兴通讯股份有限公司所有，不得外传>
All Rights reserved, No Spreading abroad without Permission of ZTE
Figure 3-9 Upgrading the Software
秘密 Confidential▲
第 12 页
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