In most cases: Go to Settings > General > About > Serial Number.
If the device won't power on: Take a photo of the SN QR code on the back of the VOLTRA I. Please refer to the example image below.
In most cases: Go to Settings > General > About > Serial Number.
If the device won't power on: Take a photo of the SN QR code on the back of the VOLTRA I. Please refer to the example image below.