SonyEricsson網站
注意看重點:
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Installation instructions
安裝方式:
1. Download the zip file to your computer. Remember where you place it.
下載韌體的ZIP壓縮檔案到你的電腦中,請記得你存放的位置
2. Unzip the file to a temporary folder.
請解開壓縮檔案到你指定的暫存目錄中
3. Turn off your V800/Vodafone 802SE.
請將你的V802se / V800 手機關機
4. Connect your V800/Vodafone 802SE to the PC using the USB cable.
利用USB的傳輸線,將手機連上電腦
5. Hold down the left navigation key '<' on the phone and press the Power On/Off button. This will initiate the Windows Found New hardware wizard to be used during the installation.
按下手機的方向建中的左鍵不放,然後按下電源鍵開機,這樣子將會使得windows發現
新的硬體,而出現硬體安裝精靈
6. Follow the instructions in the wizard, and choose to "Install from a list ..", press "Next".
按照精靈的指引,選擇"從清單挑選",然後按下NEXT
7. Browse to the temporary folder created under step 2 above to point to the
driver to install and press "Next".
選擇瀏覽壓縮檔案接壓縮後存放的目錄,然後按下下一步
8. When the driver is installed, press "Finish".
安裝完成後按下FINISH
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我想這就是可以自己用PC來升級韌體的功能喔!

只是不知道韌體要到哪裡下載!