BenQ-Siemens P51 was shipped with an SPB Bonus CD which provided P51 owners with a full version of SPB Pocket Plus as well as BenQ-Siemens UniTheme.

Also trial versions of the following SPB products presented on the Bonus CD:

• SPB Diary
• SPB AirIslands
• SPB GPRS Monitor (Currently known as SPB Wireless Monitor)
• Spb Time
• SPB Finance
• SPB Weather
• SPB Imageer
• SPB FreeCell

All of them can be purchased online with a 10% discount, besides SPB Diary and SPB AirIslands which could be ordered with 50% discount.

SPB Bonus CD was localized into 9 languages including English, German, French, Italian, Spanish, Portuguese, Russian, Traditional Chinese and Simplified Chinese.