I update my w880i software.now asking for "insert correct sim card"please Help me ,how con i solve it?

Try with another sim card, clean the sim connector of your phone, reset you phone to Factory Setting (default) using 12345. If you can open it, clean the mobile thoroughly using iPhone solution. This problem is caused by Firmware problem and Hardware problem as well.
OR:
New Software Reinstall in the Phone

Hello and Welcome to FixYa!

This usually occurs when your phone is locked to some specific network, and you are trying to insert some other SIM card.

If this is the case then you will not be able to insert other universal SIMs unless you unlock it to universal mode.

And if this is not the case the this may be some Firmware bug, updating/flashing your phone firmware will probably solve your issue in this case.

Note: Flashing will require the USB Cable, which comes with the new phone, if you have the cable then you can download the Flashing software here.

I hope this will help you out, IF I was of help kindly do Rate.

Concerned, WAQAR.

Try flashing the phone with the previous version of your update. Hope this helps. Google w880i firmware downloads

may be ur sim ic is damage for sort circut. plz go to tacnician

u have soultion sonyeri w880i insert sim card

w880i insert sim pro plz solve my pro

how did you unlock it?

check the sim card holder give a service

Un-Clocked is temporary, allows free txt and calls for a few minutes.
Un-Locked from a network is what will allow you to use any sim card on your phone.
Go to:
http://www.kingmobilephone.com/pages/remote-unlock.php

i you should try a software update, you can get this from www.sonyericsson.com/support. hope this helps