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Do you want to insert other network sim or if your Blackberry Curve 8350I displaying insert sim card,if already sim card inserted.Don't worry i will help you.You can insert other network sim card in the phone by unlocking the phone from current network lock.To unlock Blackberry Curve 8350I use unlock code.Visit the site Wickedunlock.com get unlock code and unlock it easily.Then insert any GSM network sim card.If the phone displays insert sim card even though sim card is already in the phone.Please remove the sim card and replace it correctly.It is because the phone didn't detect the sim correctly.After inserting if it is display invalid sim or sim not valid message on the screen.It is locked to some network,you need to unlock it.To unlock use unlock code.Get code from online site and unlock it.
Did you mean your Samsung S8000 Jet phone displaying invalid Sim card?You need to unlock it from current network lock,to use other network sim card.Visit the site Mobileunlocksolutions.com get unlock code and unlock it easily.Then use with any GSM network sim card.Check whether unlock code is available for your network and country.If it is available get it and unlock it.You can unlock only GSM network locked phone.You cannot unlock CDMA network locked phone.After unlock your phone you can use any GSM network sim card in it.You cannot use any CDMA network sim card in it.
Whether your Blackberry Bold 9780 not accepting other network sim
card?It is because of network lock.Without unlocking you cannot use
other network sim card in it.To unlock it you can use unlock code.Get
the unlock code from the site Unbblock.com and unlock it
from any GSM network sim card.You cannot use CDMA network sim card in
it.Check unlock code is available for your network and country,if it is
available get it and unlock it.Then use any GSM network sim card.It
won't display invalid sim or ask for an unlock code.Good Luck.
It's not reading Only T-Mobile Sim card ?It's not reading other sim card also Expect Only One Sim card? If it reads only Sim card and not reading Other Sim card like for Example T-Mobile,AT&T,Orange etc means it locked to Network ,you have to Unlock it To use any GSM Network Sim card,What is Mobile Phone Brand and Model?Find the Network ,Country it locked now? then first please You can find it locked To GSM Network or CDMA? Network CDMA Network means You cannot Unlock t to use any gsm Network Sim,Gsm Network Lock means You can Unlock it to use other Network Sim card...You can Unlock it using the Unlock code,You can get the Unlock code and instructions at here Unlocking4u.com and Unlock it from Network Lock,then you can use with T-Mobile Network surely.
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