If there is no visible firmware update option, your scanner may be a “non-updateable” clone-type ELM327. Many MechPro mini Bluetooth units are fixed firmware.
There are two main types of Mechpro scanners: standalone units (with built-in screens) and Bluetooth dongles (that pair with a smartphone app). The update process differs slightly, so identify your model first (e.g., MP580, MP690, or Mechpro BlueDriver).
If there is no visible firmware update option, your scanner may be a “non-updateable” clone-type ELM327. Many MechPro mini Bluetooth units are fixed firmware.
There are two main types of Mechpro scanners: standalone units (with built-in screens) and Bluetooth dongles (that pair with a smartphone app). The update process differs slightly, so identify your model first (e.g., MP580, MP690, or Mechpro BlueDriver). mechpro obd2 scanner update