You will need
  • - USB cable;
  • Nokia Software Updater;
  • - access to the Internet.
To update firmware of mobile phones Nokia use the Nokia Software Updater. First, it downloads the firmware directly from the official servers of the company, and secondly, a failed firmware is equivalent to a warranty case.
Download this tool from the site Install this application on your computer. Prepare the mobile phone for upgrading the firmware. Copy all necessary data from the phone memory.
Charge the battery of the mobile device by 60-100%. Do not remove from the phone SIM card. Download from the above website the firmware. If you downloaded the file with the extension .exe, run it and extract the files into any empty folder on your computer. Search catalog of Products on your computer. Copy the unpacked files.
Connect your mobile phone to your computer. Use the USB cable of the desired size. In the phone menu, select PC Suite. It is necessary to obtain access to the device memory.
Start Nokia Software Updater. Click the "start" button and wait for a determination of the type of mobile device. Click "Next" and wait until the search is complete, matching files. After the message about the availability of a new version of firmware, click "Update".
During file updates do not turn off the phone or disconnect the USB cable. Be sure to connect the computer to the Internet.
Do not download yourself the firmware files, if it's not necessary. In this case, a utility to automatically download desired data from the server. The downside is that if, during this process, the Internet connection is broken, you'll have to carry a mobile phone to a service center to restore operating parameters.