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A number of networks still use a default pin on their SIM cards at the point of dispatch as a security precaution. If you lose or forget the PIN code it can be irritating.
Please note these PIN's will only work if you have NOT changed the default PIN. If you enter the PIN code incorrectly three times, a lock will be put onto the SIM card, and you need a PUK code to unlock it.
You can obtain your PUK by contacting your network service provider.
Hi To format the phone press menu the settings then under general look for reset settings to default then input your security code (by default 0000) or reprogram the phone via the sony ericsson website
Try to dial any number, and it will tell you the phone is locked. Press "Unlock."
Once you press "Unlock," you will be prompted to enter the lock code or your PIN number. If your phone is locked and you never entered a lock code, the default lock codes are typically either the last four digits of your phone number or "0000."
Enter your code and press "OK." Your phone is now unlocked.
If this doesnt work, try maybe 1234... And if none of that works, your cell phone service provider will be able to change it for you, as long and you can prove your the phones owner......
What you have to do is take ur phone into your cell phone carrier. They can unlock the phone and reset the password to default then you can change it to what you want or leave it. Also have you tried 1234. That is another number often used for default codes.
The default lock code (security) is 0000. and default, PIN1 is 1111, and PIN2 is 2222 If you need further help let me know. If you get it wrong enough you will be asked to enter PUK code. Then you only need to call up your provider and they will assist you. Thanks, Lee
Ok, THIS WILL WORK! It worked on my W580i and it wasn't even supposed
to. FIRST! Download (8.8MB) XS++ From
HERE:http://forums.se-nse.net/index.php?showtopic=16338 SECOND! No install. It just runs. Make
sure you have ALL drivers for YOUR phone. That should be under the
bettery. Under model... or something like that. HERE!
your phone, turn it off. Start this program and click on connect.
You'll have 30 seconds to plug your phone into your computer and HOLD C
The entire time! (the delete button or 2). If connected, then click at
the button: GDFS. There will be a phone lock reset to "0000". Click it.
It will take no more than 45 seconds. I promise. Unplug your phone, and
vuala! If your phone won't turn on, try pulling out the battery,
putting it back and trying again. This program is also good for
flashing phones, and putting flash menues on your phone. Also unlocking
it and debranding it. GOOD LUCK!