If you’re unable to turn on your LUMI Keys, please be assured that your unit is recoverable but the battery needs to fully discharge to perform a master reset. Carefully read all the steps below before you try turning on your LUMI again.
Connect your LUMI Keys to a power supply and press the power button for a few seconds. If your unit turns on, proceed with the firmware update as described in the relevant link below:
If your LUMI doesn’t turn on, please leave the unit disconnected from power for 7 days, then:
After 7 days, connect your LUMI Keys to a power supply and see if it turns on
If your unit turns on, leave it connected to power, then update the firmware following the relevant link above
If your LUMI Keys doesn’t turn on immediately, disconnect the USB cable (leave it disconnected) and contact the PlayLUMI Support Team who will assist you further
Following this process is by far the quickest way to get your LUMI Keys up and running.