Update firmware, reset master and user code, and change the language of your Sony Ericsson P990 using one easy to use software. Sony Ericsson P990 debrand software is delivered to your inbox instantly after purchase. Simply download and run update software. Connect P990 phone to your PC using the standard USB data cable that comes with the phone and let the program complete the update. Once process is done you will have a fully unbranded, operator logo free Sony Ericsson P990 phone!