Updating the firmware on a VIZpin Smart Lock can be done using the nRF Toolbox app. Follow the steps below:
Download the most recent firmware locally to your files on your Android Device
Please contact support@vizpin.com to obtain latest Firmware ZIP file
Download the nRF Toolbox from the app store https://play.google.com/store/apps/details?id=no.nordicsemi.android.nrftoolbox&hl=en_US&gl=US
Open app and scroll down and select DFU (Device Firmware Upgrade)
Use paper click to press down in pinhole for 5 seconds to ready device (should beep when activated)
In app, you'll click "Select Device" button at the bottom of the screen
It will scan available devices and you'll select "VIZpin_DFU"
Next you will select "Distribution Packet (ZIP)" as the file type
Next you will select "all" for the scope
Then you will click "Select file" and find the file from step 1 above
Then click "Upload"
You will see the progress in action and takes less than a minute to cycle through
Once completed, the Smart lock should beep again.
Wait 30 seconds and press Open on your VIZpin Smart App