Internet rental can be done by logging into your Nextbike account, with you registered phone number and PIN. In the My Nextbike tab you will see the Rent / return function. Just follow the simple instructions.
Mobile internet using your mobile phone, is also an option, it is best done through this quick loading website: nextbike.co.nz/m Again you will need to identify yourself using your registered phone number and PIN
Mobile internet plans and charges vary, but typically it costs a couple of cents to download the data to rent and return a bike.