Sony Ericsson Secret Codes

After the first we know the secret codes for Nokia mobile phones, now we'll find out some secret code for Sony Ericsson mobile phones.
The following codes are some useful secret codes for you to manage Sony Ericsson mobile phones. Please read:

1. *#06# is code to show IMEI Number. This code is same for all Mobile Phones.
2. *#0000# is code to reset mobile phones' language to English
3. >*<<*<* is code to show service menu and software version. Through this code, you can check the function of several Sony Ericsson Mobile Phones component like Microphone, Buzzer, Speaker, etc.
4. <**< is code to lock SIM Card. By using this code, your SIM Card cannot be changed. If you want to reset your mobile phones, you must unlock your mobile phone using flasher or unlock code.
5. *<<* is code to lock provider service
6. **04*0000*0000*0000# is code to access your mobile phone without Sim Card.

That's some code on Sony Ericsson mobile phones, may be useful!