If the device is completely dead, select "Firmware Upgrade." If it is just hanging on the logo, "Download Only" is usually sufficient. 5. Connection and Process Click the Download button in the tool. Turn off your Huawei Lua-L02 completely.
Once the "Download OK" green circle appears, disconnect your device. Reinsert the battery and power it on. The first boot may take 5–10 minutes. Important Safety Notes If the device is completely dead, select "Firmware Upgrade
In SP Flash Tool, set the drop-down menu to or “Firmware Upgrade” . If the device is completely dead
The good news is that is widely available and, when used correctly, has a high success rate for resolving both Dead and Hang Logo scenarios. when used correctly