Hi you can use codes to unlock the mobile .you can get the codes from here superunlockcodes here they ask the following details before rendering the codes they are
1.mobile model
2.country from where you brought the mobile
3.provider to which the mobile is locked
4.imei number of the mobile
finally they will send you the unlock codes once
you entered the codes in your mobile as for the instructions provided by them then your mobile get unlocked and it will accept other network sim.
Download the nokia calculator from google and install it in your computer.once it has been installed, open the application then it will ask for the IME code, put the IME code and the type of phone that you have. Then click calculate to generate the unlocking code. input the code in your phone then it will restart and it will be unlocked. To get the IME code of your phone just press *#0000#.
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
SOURCE: Please provide me Unlock code
With Nokia Free Unlock Codes Calculator we can unlock our cell phones and we can use it in any company that we want.
When we open the program can find eight boxes and one little window.
In the..click .
.. and follow the steps..
download it here-->http://www.giveawayoftheday.com/soft/867039/
thanks for rating
good luck
SOURCE: Hi, my nokia E63 says sim card not valid, I've
that means you still havent put in the sim that its locked to
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