antonio, "Redlight blinking is a Sign of Low Battery or a Dead EROM. Some time during flashing the EROM goes dead or corrupt due to errors. If phone has a bad EROM it shuts down and does not start even if battery is charged to full." check for a way to fix it [http://www.akshayy.com/sonyericsson/tutorials/red-light-blinking-dead-revive-it-to-life/|on here.] Hope this helps, good luck.