# Unable to Lock or Unlock a Hardware

You might encounter an issue where the lock assigned to a hardware will not lock or unlock. Here are some options you can try to fix the issue:

## Try to Scan the QR Code Again

We request to scan the QR code again to unlock the hardware. Please ensure to return the hardware and end the rental within 5 minutes to avoid extra charges. Please note that the grace period is subject to your local operator discretion.

## Follow the Start or End Rental Steps


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```
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```

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