20 Most Recent Nokia 5230 Cell Phone - Page 5 Questions & Answers

As far as I know there are two possibilities to get this error message.One is poor signal of that respective network for which you just need to switch OFF and ON your mobile and the mobile will be able to receive the signal from near by tower.You may also get this error message when you are trying to insert a sim other than which the mobile is locked to.To solve this problem you need to unlock the phone from that particular network or use the same sim to which the mobile is locked to.You can unlock your phone using unlock code from Unlocking4U.com

Unlock code for marble maze

Change your no. Its not vastu compliant with your phone

Get the service activated

Install nokia quick office...it will do the work....

how do see the mms

help

cleane your sim/ change your sim ic/ low hit your sim ic

update your phone software

Please see if there is dirt clogging on the earpiece that would have reduced the volume from the speaker. If so use a pin and soft cotton to clean or you must open the cover and use a brush and air jet.
Secondly the possible weakness of the speaker/earpiece or the weakness of the low power output amplifier is another possibility.

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there should be a indicator bar on the upper section.

settings phone settings manual select network