How To Unlock Zte F670l -

Search for a file named ZTE_F670L_GENERIC_V1.0.0P1T1_UPGRADE_BOOTLDR.bin or similar. Ensure it is for the F670L hardware version (check your sticker: H/W Ver: V1.0, V2.0, etc.). Using the wrong file bricks the device.

Open Command Prompt (Windows) or Terminal (Mac/Linux) and type: telnet 192.168.1.1 how to unlock zte f670l