Question about Sony Ericsson K750i Cellular Phone

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Sony Ericsson K750i

I lost function of the down and left joystick buttons, power button, and the 1,2,3 buttons.

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Need the face taken off carefully and cleaned underneath

Posted on Aug 21, 2007

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Your Keypad IC is damaged, also your keypad either needs cleaning as suggested earlier or replaced which is a very common problem with K750i. You need to take it to a service center to fix it

Posted on Sep 07, 2007

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1 Answer

Can anyone help. How can I unlock my Sony Ericsson X8 which is on Vodaphone Ireland. Thanks in advance.



Instructions Unlocking Instructions for Sony Ericsson XPERIA X8

How to insert the Unlock CODE into your Sony Ericsson XPERIA X8

  1. Power ON your Sony Ericsson XPERIA X8 with an accepted SIM Card.

  2. Press the LEFT arrow or joystick button once.

  3. Press the STAR (*) button twice.

  4. Press the LEFT arrow or joystick button again.

  5. You will briefly see one of the following messages listed on your Sony Ericsson XPERIA X8 display:

    • Personalized with MNC2
    • Personalized with MNC3

  6. Wait approximately 4 seconds.

  7. The display will indicate "Network" and a picture of a closed padlock.

  8. Press Select.

  9. The display will indicate "Unlock (Net) 5" and "NCK:"

  10. You can now enter the Unlock CODE supplied by UnlockallCellular.com.

  11. Your Sony Ericsson XPERIA X8 will display "Network unlocked" and then "Insert SIM" message.

  12. Your Sony Ericsson XPERIA X8 is now unlocked!
If your Sony Ericsson XPERIA X8has a Joystick (for example SonyEricsson K700i), then you must press the DOWN Arrow instead of the LEFT Arrow for step 3 & 5. By DOWN Arrow I mean directing the Joystick down!

Feb 14, 2011 | Sony Ericsson XPERIA X8 Cell Phone

1 Answer

I have k750i please any solution of keypaid 1,2,3 two side joystick not working and power button not off with button plz any soltuion


a phone repair shop could fix this for a small fee i dont think there is anything you can really do apart from that

Sep 26, 2010 | Sony Ericsson K750i Cellular Phone

1 Answer

My sony erricson k750i phone's joystick is not responding


you have to clean the joystick by using contact cleaner. open the cover of joy stick, there is a switch inside it having a metallic cover. use contact cleaner and let it for few minutes.
DONT FORGET TO REMOVE LCD FIRST. it can be damage with contact cleaner. i had a bad experience of it.
btw it happens with sony ericsson phone joystick problem.if joystick problem still persist u have to show it to sony ericsson repair centre or your warranty center of mobile.and u can also use the keys your keypad keys for up down left right.
thankyou.

May 06, 2009 | Sony Ericsson K510i Cellular Phone

1 Answer

My sony ericsson k750i joystick is broken.


Your joystick might have accumulated a lot of dust inside it. Try to clean it with alcohol or blow it off with some high high pressure air.

Jan 30, 2009 | Sony Ericsson K750i Cellular Phone

1 Answer

Some buttons not workin


there may be some dust particles entered into your phone that may be the reason for some of the buttons not working properly especially joystick .......if you have tool kit using it open your phone and using cloth try to clean the board .......if you are not confident of opening better take to near by service center to get your problem solved

Jul 09, 2008 | Sony Ericsson K750i Cellular Phone

1 Answer

BUTTONS 1 -2 -3 , JOYSTICK DOWN AND RIGHT IS NOT WORKING


Hello you gotta replce the joystic ,, its the only problem in sony phones

May 23, 2008 | Sony Ericsson K750i Cellular Phone

1 Answer

My joystick, music button, and volume button stuck.


all joysticks prints break
how can do jumper setting

Feb 09, 2008 | Sony Ericsson K750i Cellular Phone

1 Answer

Sony k750i


cheak the continuty on trakes between 1-2 teminal of joystick

and key pad ic if ok reball keypad ic not ok  then you have to replace ic.

Oct 10, 2007 | Sony Ericsson K750i Cellular Phone

1 Answer

Problem with buttons &navigations.


Double check that none of the buttons are stuck down. Try removing and replacing the battery.

Sep 26, 2007 | Sony Ericsson K750i Cellular Phone

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