Question about Sony Ericsson K800i Cellular Phone

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K800i when i turn my phone on,only select and info appearing on top of my screen.

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Re: k800i - Sony Ericsson K800i Cellular Phone Cell Phones

Ist good phones

Posted on Dec 19, 2007

Re: k800i

Just press select and then give the code then u can use ur phone

Posted on Dec 18, 2007

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Code reset button

What are you trying to do ? I hope some of this helps.

12 menus appear that are unique to the Sony Ericcson k800i ...

K800i Secret Menu In this post I will write about a few hidden features of the K800i.
These codes should work on most Sony Ericsson models though, try for yourself.


Service Menu

The Service menu can be accessed by pressing the following sequence while in the standby screen:

right, *, left, left, *, left, *

The phone now shows a menu titled 'Service' with 5 menu items:

  • Service info : Here you can view information regarding your handset such as the model number, software versions (firmware as well as other versions, like camera driver version, etc.)
  • Service Settings : Here you can switch USB charging on or off
  • Service Tests : Allows you to test every component of your phone, such as the keypad, microphone, speaker, LED, Display, etc. Any fault can be found out easily with this method.
    In this section, You can also check the Total call time, the number of hours you have called.
  • Text Labels : Better leave this section alone.
  • Discharge Flash : To discharge the camera flash fully.

In addition to the Service Menu, SE's also offer a 'Personalize' menu.
It can be accessed by the sequence
left, *, *, left

But unlike the Service Menu, the Personalize menu is for trained experts only. So it's better not to tinker with these settings. Still, it's cool to know your phone's got all these things under the hood right?


Want to see something cool?

Access the ServiceMenu. Now Navigate to Service Info > Model Info.

While the Model is displayed, press the folowing key sequence :
2, 4, 6, 8

\m/ SE \m/


Stop thieves running up huge mobile bills by locking your Sony Ericsson K800i and protecting it with a PIN To protect your phone from unauthorised use you can set a phone lock to stop others using it.
The default phone lock code on the K800i is 0000, so it is best to change this number to one you can easily remember in case it is lost or stolen. To change your unlock code:
  • From the Menu screen, select Settings (Figure 1).
  • On the General tab, scroll down to Security (Figure 2).
  • Select Locks (Figure 3) and then Phone Protection (Figure 4).
  • Select Change Code (Figure 5).
  • Enter the default code then enter (And re-enter) your new one (Figure 6).
Once you have changed your phone lock, you can then set to either On, Off or Automatic (Figure 7). When it is turned On, you must enter your code when you turn the phone on, Off means you don't need to enter a code. Automatic means that you only enter the phone lock code when a new Sim-card is inserted into it.

Apr 13, 2014 | Sony Ericsson K800i Cell Phones

2 Answers

I have a k800i sony ericsson mobile n my problem is that its bluetooth aint workin.

How did you Set up Bluetooth on the Sony Ericsson K800i ?was it set up properly?Sony Ericsson K800i has Bluetooth technology, which can connect to other Bluetooth devices like handsfree headsets, or let you easily swap files like pictures, ringtones, videos or contacts with other people for free. It works by looking for other Bluetooth devices nearby and then connects to them to wirelessly transfer files. this is the steps to seeting up bluetooth on k800i sony ericsson
  • From the Menu screen, select Settings
  • Scroll across to the Connectivity tab and select Bluetooth
  • Scroll down to Phone Name and press select
  • Enter the new name for your K800i
  • Once you’ve done this, you can turn Bluetooth on to make you visible to other devices by following these steps
  • From the Menu screen, select Settings
  • Scroll across to the Connectivity tab and select Bluetooth
  • Select Turn On
To connect your Sony Ericsson K800i to a handsfree device, enter the Bluetooth menu screen and select Handsfree, Your phone will then look for a handsfree device to connect to. When it’s found it, select the device and enter the passcode if required

Dec 31, 2009 | Sony Ericsson K800i Cellular Phone

1 Answer

Sony ericsen k800i inavtive sim

press *#06# on your keypad.

A 15 digit code will appear on the screen.

This is your IMEI: number.

It should consist of 15 digits.

Send it to me.

I will reply with the unlocking code that you need.


Jun 16, 2009 | Sony Ericsson K800i Cellular Phone

1 Answer

K800i phone just turn into white screen

there might be a short circuit in charging.
this thing happened with me also .
but when i removed my cell restated it is working fine..............

Dec 08, 2008 | Sony Ericsson K800i Cellular Phone

1 Answer


hi revodev

can u explain this icon you have ?

is it the bluetooth icon or mised call's one etc can you post back what the icon looks like,


Jul 10, 2008 | Sony Ericsson K800i Cellular Phone

1 Answer

Icons showing on my phone screen

what kind of icon has appeared in the screen?
Please describe it.

Jun 10, 2008 | Sony Ericsson K800i Cellular Phone

1 Answer

Sony erickson k800i

try to select the network manually if this does not work then contact you carrier.

Jun 06, 2008 | Sony Ericsson K800i Cellular Phone

2 Answers

Sony ericsson k800i

flash the nwer version software buddyyyy

Nov 22, 2007 | Sony Ericsson K800i Cellular Phone

4 Answers

Sony 800i

do you mean the puk code ? is the phone locked by missed typed passcode .
what message you get when you turn on your phone .

vodafone wont give you the unlock code only puk code.
which network are you on.


Nov 20, 2007 | Sony Ericsson K800i Cellular Phone

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