Smartphone BLADE V0730 Upgrade Guide
(Through an SD Card)
1. Cautions
The software version and pictures in this document are just for
reference only. Please use handset support website provided version ZTE
to download software.
1) Download the upgrade package.
Open http://www.ztedevice.com.cn/support and download the upgrade
package (update.zip) that matches your phone model. If the
downloaded package is not update.zip, unzip the package to obtain
update.zip.
Ensure that your micro SD card is at least 2GB.
Note Please refer to our current version download size :.
2. Suggest using a third-party APP backup data before the upgrade
3. Remove the SIM card before the upgrade.
4. Verify that the le in the root directory of the SD card update.zip
matches the model of the phone. Do not modify the file name and
extension name of the les in the upgrade package.
5. Verify that your phone has enough (at least %) power. Charge the 40
phone if required. To avoid data lost or upgrade failure, it is not
recommended to upgrade your phone through an SD card when the phone
is being charged.
6. You should not perform any other operation on the phone during the
upgrade process.
7. A normal upgrade should be completed in minutes. If the phone does 9- 11
not reboot or show any response in minutes, you should perform the 12
upgrade process again. If the phone cannot be started, perform a forced
upgrade. If the forced upgrade does not work, you should contact an
after-sale service agent for support.
8. Upgrade Description
There are two upgrade methods: normal upgrade and forced upgrade.
If the phone cannot be started properly, for example, the phone cannot be
started, or the phone does not enter standby state perform a forced upgrade. ,