This is the safest way to update your phone without losing data.
The ZTE Blade A34 runs on Android 10 (Go edition) out of the box, with a custom skin on top. The device is powered by a quad-core processor, coupled with 2GB of RAM and 32GB of internal storage. The firmware is based on the Qualcomm Snapdragon 632 chipset. Firmware ZTE Blade A34