Nokia3230

By taking/sending your phone to the nearest Nokia service/repair center: http://www.nokia.com/repair

Thanks for your answer! but that is the last solution, I want to do it myself. any suggesstion?

Two ways:
- Wayte for Nokia release a firmware upgrade by Nokia Software Updater tool, or;
- Try nokia.dogtoe.com, if is possible, and take all the risk on doing that.