All modern Nokia phones support the possibility of firmware "over the air". In other words, you can flash your phone without even connecting it to the computer, using a GPRS, EDGE, 3G or Wi-Fi. If you use Wi-Fi to flash your phone, it will be for you absolutely free. If you use any other communication channel, your costs will depend on the tariffs for mobile Internet your mobile operator.
To flash your Nokia phone, go to menu "Settings" and go to "Phone". Here, select "phone Management" and click "Update device." You will see all the information about the model of phoneused the language and the installed firmware version. Press Options and then "Check for updates". If the server will be discovered Nokia firmware updates available, your phone will notify you and will offer to update the software. You should accept and the phone will make all actions, and the firmware will be updated.
To flash Nokia phone using a computer using Internet connection on your computer, you should connect the phone using USB cable to the computer. Then on the phone select the option to connect the PC Suite and install on the computer Nokia Software Updater which can be downloaded on the official website of Nokia After installing the program, you will need to run it and follow the prompts to update the firmware. The whole flashing process is automated, and you will not be difficult to upgrade firmware.