• The newest devices do not have PIN codes.
  • PCB4.2 version pin code is 8585.
  • PCB4.3-5.0 version pin code is 858585.
  • In old aluminum devices, the pin code can be a four-digit number. The pin code is described in the old version’s manual or the packing list.

iOS devices pairing has to be done in eFlexFuel App. iOS do not show eFlexFuel in bluetooth settings before pairing.

Android devices must be paired in bluetooth settings before starting eFlexFuel App.

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