My sony xperia doesnt display anything, but the logo. What should i do?

power off.pulling battery or any way.

press PDA button VOL+and power button together.
or try VOL+and power together hold the keys untill you feel vibration and let the brand name comes up and let all buttons free.
the it will boot recovery mode.then select factory data reset by pressing VOL+ and _
select by the power button.
after that it reboot phone.

reset you mobile and delete evry thing after that it will not crash i also had this problem in my mobile and it was fixed

I think u might have to install that again

take out the battery and hold your power button for a while.. this s memory reset... then put the battery and power on... it will on.. then factory reset... problem solved

Hi
Remove the battery and re-load it after some minutes.
Hold the right and left keys below the display.
Press and release the power key.
On screen instructions to hard reset will appear.Follow them and reset.

Hi.

You will need to hard reset the phone.

1. Turn the power off. If your Sony Ericsson Xperia X8 is frozen, pull the battery out and reinsert it
2. Hold the Left and right buttons located beneath the display
3. Press and release the Power button
4. Follow the on-screen instructions to hard reset your Xperia X8

All data including third-party applications will be deleted from the Sony Ericsson Xperia X8. Once the wipe is complete, the phone will reboot to its factory fresh state.


Regards.

Try entering the password null. If it doesnt worked means try to do a hard reset .

1. Turn the power off. If your Sony Ericsson Xperia X10 is frozen, pull the battery out and reinsert it
2. Hold the Left and right buttons located beneath the display
3. Press and release the Power button
4. Follow the on-screen instructions to hard reset your Xperia X10

All data including third-party applications will be deleted from the Sony Ericsson Xperia X10. Once the wipe is complete, the phone will reboot to its factory fresh state.

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!

i have the same problem... what did you do?