Question about Nokia N73 Cellular Phone
If your mobile is showing invalid SIM card it means the phone is network locked an you cannot use any network other than the network the phone contains. I you want to use other network in your mobile you need ot get unlock codes. These codes are available at www.unlocking4u.com with instructions.
Posted on Oct 22, 2010
Try unlocking sites
Posted on Jan 28, 2011
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Posted on Jan 02, 2017
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