Question about Sony Ericsson K800i Cellular Phone

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Mobile phone Hi I bought a sony ericson K800i mobile phone at a bootsale about 3months ago. it worked fine up untill 2 weeks ago. now all the screen tells me no network coverage, or inactive sim and can no longer make or recive calls or text's Could you pleas advise me on the problem. many thanks

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Re: mobile phone

Contact ur service provider to chk abt si registry or sim validity....if it is all fine then change the n/w settings in ur fone and after that reinsert sim,,,,any issues pls go to care centre for chking of sim slots....

Posted on Oct 25, 2007

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Unlock code for sony ericson k800i

Hi if you are looking for network unlock code to unlock your sony ericsson k800i mobile from network lock .Then visit sites like they are rendering unlock code for all mobile models at reliable cost .You first check that whether the code is available for your country and network provider .If yes then pay for it and unlock your phone ....

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I need to find out IMEI on the box/pack of my Sony Ericson K800i mobile phone as I lost the Mobile Set. Help me where I can find IMEI other then mobile set and also let me know IMEI consists of how many...

An IMEI is either 15 or 17 numeric digits. It is usually on a sticker with a bar code on the box that the phone came in.

If the phone has service, the mobile service provider can usually tell you the IMEI.

Mar 31, 2011 | Sony Ericsson K800i Cellular Phone

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It is a network mode problem and settings in your phone. In your phone go to menu//settings//conectivity//data comm.//preferred servicesand choose cs only, if it is alreadu choosen, change it on cs and ps, then put it back. If you have some more questions ask free.

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pls rate me

Feb 14, 2009 | Sony Ericsson K800i Cellular Phone

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hello therealleo

best thing to do is get in touch with your network provider and ask them for the p.u.k. code they will issue you one for free to unlock the phone, it wants a puk code because the hand set code was inputted wrong to many times thats all.


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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.

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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.

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