Download the specific ROM for your region/model.
Click the (Start Downloading) button in the SPD Upgrade Tool.
Before you begin, you need to gather the necessary tools on a Windows PC: How To Unbrick ZTE Blade A34
Ensure you are holding the correct volume key while plugging it in. Try a different USB port (preferably USB 2.0).
Open the SPD Upgrade Tool folder and run ResearchDownload.exe . Step 3: Load the Firmware Download the specific ROM for your region/model
While holding the button, connect the phone to your PC via USB.
Navigate to your extracted firmware folder and select the .pac file. Try a different USB port (preferably USB 2
Ensure you have downloaded the exact firmware for the ZTE Blade A34. Using firmware from a different model can cause a hard brick.
Once finished, the status will change to a green message.