Question about Nokia 3230 Cellular Phone

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When i switch it on, my nokia 3230 with serial number: 355399005809816 keeps restarting and most of the times displays "insert sim" and "invalid sim". Please help me. Thanks. Paschal, Nigeria

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It may be due to network lock, you can get unlock instructions here http://www.mobileunlockguide.com/
you need to specify the network provider

Posted on Nov 29, 2010

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Posted on Jan 02, 2017

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Insert sim solutions


What is your problem with your Sim card? Is your phone shows the "No Sim" or "Insert Sim" or "Sim Rejected" or "Invalid Sim" error? If it is so i am here to help you. If your Nokia 2310 shows the "No Sim" or "Insert Sim" error then remove your Sim from your mobile and place it again correctly. Or make use of this Video to insert your Sim in your Nokia 2310. If your mobile shows the error message "Invalid Sim" or "Sim Rejected" the your phone is locked to a particular network. To fix this problem you need to unlock it. Use unlock code to unlock your Nokia 2310. To get the code you have to submit network provider, country and IMEI number of the mobile. Make sure yourself whether you have knew the network provider to which your mobile is locked, country to which the locked network belongs to and IMEI number of your mobile. If not you can find the IMEI number in two ways:
1)Go to Options>status
2)Find IMEI on the back of your mobile, behind the battery.
3)Type *#06# and press call button. It will display your IMEI number.
You can find the network provider to which your mobile is currently locked by switch off your mobile and switch on it again. A logo of the locked network will get displayed on your mobile screen. After knew all these get the code from the site Mobileunlocksolutions.com ,by submitting these to them. Unlock it yourself using unlocking instructions which is given in the site itself.

Mar 04, 2013 | Nokia 2310 Cellular Phone

1 Answer

All time demands SIM insert, has already made insert SIM.


It may be due to network lock,
you can unlock it and switch over to another network , you can get unlock codes here http://www.mobile-unlocker.com/nokia-3230/rs2wp9/
you need to specify the country and network provider

Jan 17, 2011 | Nokia 3230 Cellular Phone

1 Answer

My nokia 3230. my mobile prob. is softawre wallet is blocked . how to open or unblock the wallet software


Hey,



here is the list for all lock codes for nokia :-


Any network this is for (NOKIA phones only),
*3370# Activate Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talk time is reduced my approx. 5%
#3370# Deactivate Enhanced Full Rate Codec (EFR)
*4720# Activate Half Rate Codec - Your phone uses a lower quality sound but you should gain approx 30% more Talk Time.
#4720# Deactivate Half Rate Codec.
*#0000# Displays your phones software version, 1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type.
*#9999# Phones software version if *#0000# does not work.
*#06# For checking the International Mobile Equipment Identity (IMEI number). #pw+1234567890+1# Provider Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).
#pw+1234567890+2# Network Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).
#pw+1234567890+3# Country Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).
#pw+1234567890+4# SIM Card Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).
*#147# (vodafone) this lets you know who called you last.
*#1471# Last call (Only vodofone).
*#21# Allows you to check the number that "All Calls" are diverted to.
*#2640# Displays security code in use.
*#30# Lets you see the private number.
*#43# Allows you to check the "Call Waiting" status of your phone.
*#61# Allows you to check the number that "On No Reply" calls are diverted to.
*#62# Allows you to check the number that "Divert If Unreachable (no service)" calls are diverted to.
*#67# Allows you to check the number that "On Busy Calls" are diverted to.
*#67705646# Removes operator logo on 3310 & 3330.
*#73# Reset phone timers and game scores.
*#746025625# Displays the SIM Clock status, if your phone supports this power saving feature "SIM Clock Stop Allowed", it means you will get the best standby time possible.
*#7760# Manufactures code.
*#7780# Restore factory settings.
*#8110# Software version for the nokia 8110.
*#92702689# Displays - 1.Serial Number, 2.Date Made, 3.Purchase Date, 4.Date of last repair (0000 for no repairs), 5.Transfer User Data. To exit this mode you need to switch your phone off then on again.
*#94870345123456789# Deactivate the PWM-Mem.
**21*number# Turn on "All Calls" diverting to the phone number entered.
**61*number# Turn on "No Reply" diverting to the phone number entered.
**67*number# Turn on "On Busy" diverting to the phone number entered.
12345 This is the default security code.
press and hold # Lets you switch between lines
*#06# for checking the IMEI (International Mobile Equipment Identity).
*#7780# reset to factory settings.
*#67705646# This will clear the LCD display(operator logo).
*#0000# To view software version.
*#2820# Bluetooth device address.
*#746025625# Sim clock allowed status.
#pw+1234567890+1# Shows if sim have restrictions.
*#92702689# - takes you to a secret menu where you may find some of the information below:
1. Displays Serial Number.
2. Displays the Month and Year of Manufacture
3. Displays (if there) the date where the phone was purchased (MMYY)
4. Displays the date of the last repair - if found (0000)
5. Shows life timer of phone (time passes since last start)
*#3370# - Enhanced Full Rate Codec (EFR) activation. Increase signal strength, better signal reception. It also help if u want to use GPRS and the service is not responding or too slow. Phone battery will drain faster though.
*#3370* - (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network.
*#4720# - Half Rate Codec activation.
*#4720* - Half Rate Codec deactivation. The phone will automatically restart
If you forgot wallet code for Nokia S60 phone, use this code reset: *#7370925538#
Note, your data in the wallet will be erased. Phone will ask you the lock code.
Default lock code is: 12345
Press *#3925538# to delete the contents and code of wallet.
Unlock service provider: Insert sim, turn phone on and press vol up(arrow keys) for 3 seconds, should say pin code. Press C,then press * message should flash, press * again and 04*pin*pin*pin# \
*#7328748263373738# resets security code.
Default security code is 12345

I hope it wld wrk like magic :)

Nov 09, 2010 | Nokia 3230 Cellular Phone

1 Answer

When i switch it on, my nokia 3230 keeps restarting and most of the times displays "insert sim" and "invalid sim". Please help me. Thanks. Paschal, Nigeria



it may be due to network lock, contact service provider , else you can get unlock codes here http://www.theunlockarena.com/
you need to specify the phone model and network provider

Oct 08, 2010 | Nokia 3230 Cellular Phone

1 Answer

356294012478169


Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} 2630111022 (Unlock code)



Follow this instruction carefully

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} 1 - Switch on your Nokia 3230 without any sim card.
2 - Don't bother as to what is displayed on your Nokia 3230.
3 - Compose #pw+CODE+1#.
4 - The Nokia 3230 would then display the message "SIM Restriction Off" and will be unlocked!

The letter p appears if you press the button star(*) three times quickly
The letter w appears if you press the button star(*) four times quickly
The symbol + appears if you press the button star(*) two times quickly
The CODE (2630111022) you need to enter is the unique unlock code for your Nokia 3230



Nov 08, 2009 | Nokia 3230 Cellular Phone

2 Answers

Repair nokia 3230 on line


Try updating the software using Nokia Software Updater

Be sure to make a backup using Nokia PC Suite so you don't lose any data.

Aug 31, 2009 | Cell Phones

1 Answer

Switch on, automatically switch off


repairmobiles.saaqi.com/3110c-lcd-display-back-light-problem/

Jun 08, 2009 | Nokia 3110 Cellular Phone

1 Answer

NOKIA 3230 phone rejects SIM card after it was fallen in water


Take the sim card out and wipe the contacts clean for both the sim card and the phone. You can use a clean business card to clean the phone side.

Jan 24, 2009 | Nokia 3230 Cellular Phone

1 Answer

Sim problem


It can be due to one of the following reasons.
1.Dust accumulated on SIM: Clean the sim and after inserting press it firmly.
2.Software problem: restart the phone and try again. If problem persists contact the nearby service center for software upgradation.
3.SIM card is not registered because of not using for a long time. Contact your service provider to check for the status of your number.

Aug 20, 2008 | Nokia N91 Cellular Phone

1 Answer

Sim registration filed on my nokia 3230


please try that sim in another mobile if it still get error message then that means ur simcard is faulty. but if that work fine in another then that means your 3230 is faulty and you have to format that. format with following code: *#7370# after that it will ask for another code then insert 12345, your mobile get formatted now. keep in mind that your all data on phone memory of that mobile get lost, if you that. if nothin get right for you then you have to go nokia service centre at last.

May 15, 2007 | Nokia 3230

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