Here are some resources to help you unlock your ZTE MF293N:
Please be cautious when searching for and downloading firmware or unlock codes from third-party sources, as they may pose security risks to your device. zte mf293n unlock firmware link
Before attempting an unlock, it is helpful to understand the hardware you are working with: 4G LTE Category 4 (DL 150 Mbps / UL 50 Mbps). Here are some resources to help you unlock