If you don’t want to search, sellers on AliExpress offer remote flashing services for $15-$30. They send you a custom firmware file via TeamViewer. This is the safest "exclusive" route for non-technical users. Step-by-Step: Flashing Exclusive Firmware on the MC7010 Assumptions: You have downloaded a valid usb_update.bin or web_update.bin file.
Wholesale buyers often receive exclusive firmware to disable Telstra/Optus locks. Resellers on forums like Whirlpool sometimes share these BIN files via Google Drive links.
The largest repository for unlocked ZTE firmware exists on 4PDA. Users share "Patch Packs" that convert carrier firmware to generic OEM. Look for threads titled "ZTE MC7010 Firmware exclusive collection."