When i turn on my n-gage phone i get a message to insert my sim card but my sim card is already inserted. I have tried several different cards and batteries and i still get the same message.
What could be the problem?
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Re: insert sim card message
It seems like the phone is not reading the sim. It has nothing to do with your sim or battery. But you may try this:
1. After inserting the sim card into the slot, fold a piece of paper (thick enough so that when you close the cover some pressure is applied on the sim) so that its approx the size of the sim (dont make it too thick or the cover won't close).
2. Put the folded paper right on top of the sim and load the battery.
3. This is just a trick which works.
4. If this doesn't work, please get the phone checked from a Nokia service center.
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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.
You could try to remove your sim card.
Install battery and turn on phone without sim card.
Use phone without sim card and do some operations.
This will check if you phone is working correctly.
Turn phone off and install sim card.
Made sure sim card is install correctly.
If this does not work, it could be the sim card is bad.
"Insert SIM" message is normally displayed on phones when a SIM card is not inserted on power-on or it does not detect the SIM card inserted.
No SIM card inserted or inserted SIM card is damaged
Inserted SIM card not positioned well in such a way as to make contact with the corresponding contact bridges on phone.
Phone locked to a specific network and can only work on other networks when the firmware version is "flashed", that is completely changed to an unlocked version.
The phone might be faulty (try with another good SIM, if you still get thesame message and its not one of the above reasons... it might be a transciever problem or the phone's SIM card slot's pins might be defective).