Question by  Jim78 (76)

My Cingular SIM card registration failed, what should I do?


Answer by  Kumar94 (12)

Switch off the phone. Remove the back panel and after removing the battery, re insert the sim card propely. Insert the battery and Close the cover. Re start and check.


Answer by  Amber40 (24961)

Well it sounds like you have a sim card issue. Contact your wireless provider and have them give you a new card.


Answer by  shilpa77 (18)

It means your Sim card is no longer registered to the network. Either your service was suspended and then cancelled,or your sim card is broken. Contact your Service Provider to see if that is the problem.


Answer by  RJ1986 (68)

The reason may be the required documents may not have been provided to the sim card company. For this you need to contact cingular company. Your provided documents may not have met the requirements of the sim card company. Unless and until your provide them the required documents your sim card wont start.


Answer by  RAJINIVARMA (140)

There should be PUK Code of your mobile. Some times it may 4digits. Call you customer care and ask them what is the PUK Code of your mobile phone. Once you get the number swich off your cell and turn on the enter the PUK Code. Thats it!


Answer by  KALYANSPATEL (27)

Ok so your cingular sim card registration is failed ok so now what you have to do? First go to cingular office and go their and tell tour complain they will surely look forward to your complain and will register once again.... But if it is old cingular sim card and the validity period is over

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