Nokia C6-01 - Manual (Page 110)

It is recommended that you back up your personal data before updating your device
software.
Warning:
If you install a software update, you cannot use the device, even to make emergency
calls, until the installation is completed and the device is restarted.
Using the service or downloading content may cause transfer of large amounts of data,
which may result in data traffic costs.
Make sure that the device battery has enough power, or connect the charger before
starting the update.
After the update, the instructions in the user guide may no longer be up to date.
Update device software and applications using your device
You can check if there are updates available for your device software or for
individual applications, and then download and install them to your device (network
service). You can also set your device to automatically check for updates and notify you
when important or recommended updates are available.
Select
Menu > Applications > SW update .
If there are available updates, select which updates to download and install, and select
.
110 Device management