To do this, press the Volume Up + Power key together until the phone enters into the recovery mode.

You need to boot your device into the recovery mode.

Method 2: Forced Upgrade (For unresponsive ZTE devices)

Once the upgrade is finished, restart your device.

After around 10-15 seconds, your device will automatically upgrade via the SD card and will install the contents of the update.zip package.

Then head to Settings>System Updates>Update.

Now, go to File manager>SD Card and check whether the update.zip file is proper in the SD card.

Do not change the file name of the upgrade package or the contents.

Once you have download the update.zip file, extract the contents of the package file and copy it on the root directory of the SD card.

Firstly, download the upgrade package from the below link that matches the model number of your compatible ZTE device.

Method 1: Normal Upgrade (Primary upgrade method) Please follow the below-mentioned steps very carefully to avoid any data loss and upgrade failure the normal upgrade method and the forced upgrade method.

As the last resort, if your device does not respond to the forced upgrade method then, you need to contact your after-sales service.Īs mentioned above, we will be explaining to you two different upgrade methods i.e.

Even after this, your phone would not start then, you need to upgrade your device via the forced upgrade method. Moreover, if your device does not reboot after 10 minutes then, you need to perform the upgrade again.

Note that a normal upgrade will take about 10 minutes to complete.

Do not perform any other procedure or operations during the upgrade process.

Also, do not upgrade your device via the SD card while charging your device.

Charge your ZTE device to at least 50% or more to avoid any data loss or upgrade failure.

Also, do not change the name or extension of the update.zip file or any of the contents of the upgrade package.

Verify that the update.zip file matches the smartphone model of your device.

Do not remove the SD card during the update process to avoid any data loss.

Now, you need to remove the SIM card, and backup the data and Apps installed on your phone before proceeding with the upgradation method.

Make sure that your micro SD card has at least 3GB of free space.

Make sure to choose the compatible phone model.

Visit the below-mentioned website to download the update.zip package file.

Guide to flash Firmware using SD card on any ZTE device Pre-requisites

Method 2: Forced Upgrade (For unresponsive ZTE devices).

Method 1: Normal Upgrade (Primary upgrade method).

Guide to flash Firmware using SD card on any ZTE device.

Zte flash camera update