Question about Sony Ericsson K800i Cellular Phone

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K800 switches off when browsing contacts

My phone shuts down and restarts when I am browsing contacts. happens when browsing from letter A down and apperears in D section. Does not happen when selecting start from ie letter S and down.

Have tried to run update of firmware from but no improvement.


Ole Christian

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Re: K800 switches off when browsing contacts

you could try doing a master reset but you will lose all data / contacts /pictures/ on your phone
Steps to do a master reset
Settings/general/master reset/reset all/continue
Phone will restart

Posted on Jan 15, 2008

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My HTC HD 7 phone keeps turning off it goes to the white screen with green HTC then shuts off and keeps doing the same thing over and sometimes when i try to use it and i tap the screen then it shuts off...

I finally had to have them replace the unit. If doing a factory reset does not help, then I would have them replace it. Mine started rebooting infrequently, but then started doing it more often. They didn't waist any time getting my replacement out.
Please make sure you back up all your contacts/email before proceeding. I use Google on my phone through the Outlook option. Google/Outlook syncs all my mail, contacts, and calendar.
Hardware: 1) Turn off phone 2) While holding down both the Up/Down Volume buttons, turn unit on 3) Keep holding down the volume buttons until white screen appears 4) Press the Down Volume button to reset to factory defaults. 5) Restart phone

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My scroll buuton doesnt work it stays on one thing and then when i leave it it scroolls all over the place on its own how can i fix it?

hi. That also happened in my sony ericsson k800. Remove the front cover then clean the scroll cup. Some times it happens if ur phone contacts splash if that doesnt help remove the battery then live ur phone under sun to dry

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fea04aa.jpgJust reset the mobile settings

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My lock code my phone k800 is lock

You may try by following instructions....
Warning: Do not enter any wrong unlock unlock codes on your Sony Ericsson K800 mobile phones. If you enter over a certain amount of wrong unlock codes on your mobile phone, your phone may get hard locked and sometimes become unusable.

1 - Switch ON your Sony Ericsson K800 mobile phone without any SIM Card,
2 - Press the left arrow key/button once,
3 - Press the button * twice,
4 - Press the left arrow key/button once,
5 - The message "Personalize with MNC2" will appear,
(or you will have displayed an unlock menu, select the lock you want to unlock)
6 - Enter the Unlock Code.

If your Sony Ericsson K800 mobile phone does not have a left arrow button/key(e.g. Sony Ericsson W950i) and on a few phones(not all) that have a "JOGDIAL" you must press the "down arrow" key/button instead of the "left arrow" key/button for step 2 & 4. We mean by "Down Arrow" to direct the Jogdial down! In the Sony Ericsson W950i and some other models, the down arrow button/key would be located on the side of the phone.

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LG KP500 Cellphone will shut down when i browse MY GALLERY

Are these images that you've taken with your phone?
The processor on your phone is being overloaded. This may be due to programs running in the background. Turn off your phone, then restart it. Before doing anything else, try to open your pics. If this doesn't work, you may have to do a hard reset. Your local cellular sales/service center can help with that.
Hope this helps! Rate my solution!

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When I start to type a text, the screen just goes black and then it'll start up again like nothing happened and I can't complete a text. It just started happening last night, I don't know what to do.


There are two problems that come to mind. First is a short in your phone, perhaps when you start pressing letters for the txt pushing something together and cutting off for a moment.
Second is a glitch in your phones software, when you try to use the texting options its shutting down and restarting.

Either one there is little you can do, I can't find anywhere to get the phones software and if it is shorting out you can't fix that it's not cost effective compared to just replacing the phone.

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SDSHAH - the phone need to be reflash this can be done online at or take the phone to a mobile service center to have them flash it for you.

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