How to change network from virgin to optus - Samsung SGH-G800 Cellular Phone

https://en.wikipedia.org/wiki/SIM_lock

you need to get the sim unlock code from optus

http://www.optus.com.au/shop/support/answer/how-to-unlock-your-mobile-device-from-the-optus-network?requestType=NormalRequest&id=1399

Hi if you want to unlock your sony ericsson W595 mobile from virgin network lock to freely use it with optus then code is the best solution to unlock it .You can purchase code from sites like MobileUnlockSolutions.com they are rendering unlock code for all mobile models at reliable cost ..After unlocking your phone you can freely use it with any GSM sim .

you cant they are pre programmed to run long enough for the caller to hear 4-6 rings before going to voicemail

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It provides the step by step instructions and easy methods for unlocking your mobile phones........

THe webslider is a boost phone and the company of optus makes it, even though optus owns part of virgin the sim card will no work. Only boost sim cards and also optus sim cards will work

You do not need a SIM card from Canada: just use any non-Virgin/non-Optus SIM card (e.g. free pre-paid SIM card from Vodafone could be used) to force the prompt for your Unlock code.

Hope it helps!

Have you tried the Optus sim? Virgin phones are hosted on the Optus network and it could just work. In any case, I had a Virgin C1100 that hadn't been used for at least 3 years. I rang Virgin and gave the account details & IMEI, and they provided the unlock for no charge.

try unlock codes from to unlock your phone http://www.theunlockarena.com/