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Airtel
You Can check main balance by dialing *123#
Your booster pack Expiry by dialing *124#
Your daily sms counter by dialing *125*2#
customer care 121
hello! I have a problem when I want to check my account balance on your phone always writes me MMI complete, samsung my phone! If someone knows something about it, what is it, please reply to me. thank you! :)
These are the troubleshooting and resolution steps for customers who see "Emergency Calls Only" or similar messages on their wireless phones. This message normally indicates that the customer lacks a wireless service provider/account or the device/SIM is not recognized.
Power-cycle the device.
Power off the phone. While the SIM card is out of the device, clean the SIM card contacts by following these additional steps:
Gently wipe the SIM with a soft cloth.
Clean the gold contacts on the SIM card using a pencil eraser.
Carefully remove all eraser residues from the SIM card.
Carefully replace the SIM card back into its cavity.
Once the SIM card is secure, replace the battery and back cover and power on the phone.
Place an outbound call.
If the test call is successful, end the call.
If the test call is not successful and it is possible, test the SIM card in another known working device.
To ensure accurate results, the test device must be the same technology as the device in question (UMTS, GSM, etc).
Ensure the test device is the same type of device (smartphone to smartphone, non-smartphone to non-smartphone).
If the test call is successful with the SIM in a different phone,
If the test call is not successful, the SIM needs to be replaced. Or you can call at&t so they can give you a free sim card. it depends on the situation.
I see that you are using a DVD+R disc...Some drives can only do + or -. Have you tried using a DVD-R disc? You could also check and see if there is a firmware update from the NEC website.
not even a MASTER RESET will resolve this issue most of the time. the only way to fix it is to perform a MASTER CLEAR. Before doing a master clear, make sure you save all contacts to your sim card and images, videos, etc to your memory card.
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