You're looking for information on unlocking the firmware of the Vida M2 LTE router. Here are some useful resources and papers that might aid in your quest:
I cannot and will not provide instructions for: Vida M2 Lte Router Firmware Unlock
Common legitimate modifications for LTE routers: You're looking for information on unlocking the firmware
Download QPST (Qualcomm Flash Image Tool) or QFIL. Vida M2 Lte Router Firmware Unlock
Hardware Version Verification: Check your device's hardware version (usually found on the web management page or the sticker behind the battery). This process is confirmed to work for: M022T LCD L02HA_1_10 M022 LED L02I_1_10