You can download the latest firmware for your ZTE MU5001 device from the official ZTE website or from other reputable sources. Here are the links:
ZTE does not maintain a centralized, public repository for raw firmware files. Downloading firmware from unverified third-party forums carries risks of malware. Use the following verified channels to acquire your files: The Official ZTE Support Portal zte mu5001 firmware link
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. You can download the latest firmware for your
A partial flash occurred. Perform a hard factory reset by pressing a pin into the "Reset" hole for 10 seconds. If that fails, reflash using Method B. Use the following verified channels to acquire your