Update a Zte smartphone, we must go to its support page, and follow the steps below:
1- Let's go to the drop-down menus
Find Support On Your Product would do so.
Country: we select the country.
Select Category: Smart Phones,
Select Product: Your exact model and if it is supplier / free.
2- Download the firmware.
3- Unzip the firmware we have downloaded.
4- Copy it on the micro sd card.
5- Go to Settings -> Phone information -> Software updates.
We will have 2 options:
- Update.
- Update from SD card.
6- Select Update from SD card. (If we want to do it over Wi-Fi, we can press Update, as long as it is available via the update via OTA)
7- With the battery charged at least 80% (Important!)
8 - Click on update, it will take a few minutes to update and it will restart several times.
9- Once finished, we will have the updated ZTE.