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Always switch the device off and disconnect the charger before removing the battery. The SIM card and its contacts can be easily damaged by scratches or bending, so be careful when handling, inserting, or removing the card. 1. Press and slide the back cover towards the bottom of the phone, and remove it (1). 2. Remove the battery (2). 3. Insert the SIM card into the holder with the contact surface facing down (3). 4. Insert the battery (4), and replace the back cover (5). Remove the SIM card
Press the release spring (1), and slide out the SIM card (2).
My Nokia 6233 has IMEI corrupted as told Mobile Repairing Centre. Problem is after SIM inserted no network sown and "Registration Failed" message displayed. Phone is automatic switch off after 30 sec. When I dialed *#06# Serial No. 1234561012345? shown.What should I do? Please help me.
Before you do anything with it, please clean the sim card and sim card connector on the handset. Even a small rust/dust can create this problem.
If it doesn't help, you need to check the Sim card on another Handset. In most cases, this is damaged sim connector, and will be necessary to replace or re-soldered/refreshed. Sometimes even sim IC is the culprit which you need to replace or play jumper tricks. I would suggest you to get it done from a service center or from a nokia mobile repairing center.
sometimes it is as simple as cleaning the sim card and sim points on the phone with a pencil eraser. sometimes it is related to a simcard IC (usually placed close to the sim tray in the phone) so if u do not succeed cleaning the sim and sim points of the phone u need to change the simcard IC
Hi Friend, Initially u have remove the sim card and the battery. Once u have removed insert only the battery and put to charge for 10 to 15 mins. then remove the mobile from charger and insert the sim card. Now after 30 sec switch it on.U will be able to do the process