Once you have successfully acquired the , here is the general workflow to unlock a typical Huawei or ZTE MiFi.
: Usually a simple desktop application where you connect the device via USB in "Download" or "Force Download" mode to apply changes. Safety and Legal Considerations Security Risk mifi tool 1400 download repack
The "1400" in the name likely refers to the base firmware version or the chipset generation it initially supported (such as the Qualcomm MDM9200 series). Once you have successfully acquired the , here