Ensure your MiFi device is at least 50% charged before starting a flash.

Knowing these details allows me to find the or step-by-step repair guide for your hardware.

Note that changing an IMEI to a number you do not own is illegal in many jurisdictions. Always use the original IMEI found on the device label. Troubleshooting Common Connection Issues

Backing up or restoring critical network configuration files. Why You Might Need the V1400 Version