As always, before I give the secret code for you, I will review for your Nokia Lumia 800.
Nokia Lumia 800 claimed the best windows mobile phone ever. Lumia Nokia 800 relies on the Windows operating system 7.5, with 8-megapixel camera function.
Nokia Lumia 800 has a size of 116.5 x 61.2 x 12.1 mm and weighs 147 g while the 512MB of RAM has been confirmed. Nokia Lumia 800 will have a AMOLED screen and 8mp camera as well.
A number of interesting features are also presented at the Lumia Nokia 800, among others: Nokia Drive, navigating a new sound that is currently installed for Lumia 800. In addition, there were also Nokia Music and Mixed Radio.Nokia 800 which has a 3.7 inch AMOLED ClearBlack screen is powered by Qualcomm MSM8255 processor 1.4 GHz, 512MB RAM, and 16GB of internal memory.
In addition to storage, these mobile users have a capacity of 25GB for free via Microsoft's SkyDrive service.
And this is the secret code, or more appropriately called hidden tool.
Open up your Phone Dialer in your phone, press the code # # 634 #, it will load up the tools.
Diagnostics Tools List
What is the usage for these tools?
Those tools just let you to test out is all the hardware of the phone working or not. You may use this to check your phone to the make sure That all of the hardware are working correctly, like Camera, or died pixel on your LCD screen and others.
Enjoy The Nokia Lumia 800 Secret Code