Complete users manual for sony ericson k800i cellphone

You should be able to find what you're looking for at the following links:
E-mail Support: http://www.sonyericsson.com/cws/common/contact/contactusemail/phones?cc=gb&lc=en
User Guide: http://www.sonyericsson.com/cws/support/phones/detailed/userguide/k800i?cc=gb&lc=en
And just in case you would like to call for support, you will find all the numbers you need here:
Phone Support: http://www.sonyericsson.com/cws/corporate/common/contact/phonelist

Hi,
Here's a link to the user manual:
http://www.sonyericsson.com/cws/support/phones/detailed/userguide/k800i?cc=gb&lc=en
Good luck!

here is the download link from sony for the k800i

http://www.sonyericsson.com/cws/download/1/245/663/1193021527/K800__UG_R1a_EN.pdf

Download PC Suite from Sony website and follow the easy steps.
www.sonyericsson.com/.../softwaredownloads/.../pcsuite/k800i?

you don't need any anti virus for the mobile phones having compatibility with JAVA. JAVA does not allow any outside script to be installed in its system. Due to JAVA your phone is secure from virus so you dont need any antivirus
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how do i unlock my sony ericson k800i

Hi,

You can download here from Sony Ericsson.

http://www.sonyericsson.com/cws/download/1/245/663/1193021527/K800__UG_R1a_EN.pdf

Try resetting the phone to factory settings, if that will not fix the problem, you may need to load the new firmware/software that you can find the manufacturer's website.

No, no, if you have serial #s that are the same you probably have a fake phone.
Type *#06# on both models and compair the 15digits, they shoiuld be different

The easiest way I can think of is by backing up your data onto pc the transfering the back up to where ever you want it. There are several programs on the net that should do this for you.