Enter the station number manually to the right from the QR code. If nothing happens, contact support.
In the application check the start of rental. Check the slot again, you may have failed to notice the provided power bank. If nothing happens, contact support.
Use the Change Device button on the main screen within five minutes from the rental start, or contact support.
30 minutes for free is the first 30 minutes from the start of rental. Free minutes can be used once within 24 hours per account.
Find the nearest station on the map in the Mr. Charge application and insert the power bank in any free slot until a click is heard.