- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
nokia 7230 it will say "sim card registration failed" no signal. cant make any calls. take the battery and sim card out and put it back in and the error message is GONE and works again. signal is back and can make calls. thought it might be something wrong with the sim card. did a sim swap. still does it. EVERYTIME i get that message and take the sim card and battery out and put it back in it works FINE. something wrong with the phone right? bought it in may this year.
call ur mobile service customer care number and ask ur puk code from
them...they will ask ur last 4digit sim card number...give tat number
to them...they will give puk code ...use tat code and continue ur
On phone press *#0000#
If software version is below 3.81 then you need to upgrade (the latest version if 6.43)
You can use Nokia pcc -suite to backup your phone contents. and restore them after the upgrade by techinician.