Question about Cell Phones
Is your Nokia N73 locked with any particular network? If it is, then when you insert other operator's sim, there is a possibility to show sim not valid message. To turn off the message , you need to unlock the phone.To unlock, I suggest you can approach Wickedunlock.com and specify the country,locked network of Nokia N73. Based on the availability you can get the unlock code along with free instructions. Other possibilities are...not proper insertion of sim...which you can try after reading the manual.
Posted on May 17, 2014
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Posted on Jan 02, 2017
SOURCE: sim card not valid
Friend i have same cell phone and i am also facing this problem but dont worry
go to network menu and select Automatic network that problem will be solved if not them show it in to nokia care
Posted on Jul 22, 2009
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