: This site hosts a database of official ZTE stock firmware. They categorize files based on the chipset (MTK vs. Qualcomm), which helps prevent users from downloading the wrong file type. For MTK devices like the B760HS3, they specifically recommend using the SP Flash Tool for the flashing process.
Check the sticker on the bottom of the box. Look for these identifiers:
Here is the most important fact:
Undeterred, John turned to online forums and communities, where he met others who shared similar experiences. They exchanged tips and tricks, but no one seemed to have a working solution. That's when John stumbled upon a cryptic message from a user named "RouterKing": "Look for the firmware on a Russian tech forum. I heard they have it."