Question about Sony Ericsson W550i Cellular Phone

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Re: W550I

Sounds like your dad has activated the security code
ask him if he used his code to do this or just turned it on
unlock code is 0000 or 1234

Posted on Nov 07, 2007

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Insert correct sim card

Are you getting Sim card not accepting error message? If it is so then your Sony Ericsson W550i is locked to a particular network. To fix this you have to unlock it. Use unlock code to unlock your mobile from its network lock. To get the code you need 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 ,by submitting these to them. Unlock it yourself using unlocking instructions which is given in the site itself.

Jul 10, 2013 | Sony Ericsson W550i Cellular Phone

1 Answer

Unlock code

You can get the unlock code for a SONY ERICSSON W550i from at affordable cost.
Here are the steps for unlocking a Sony Ericsson W550i,
1 - Switch ON your Sony Ericsson W550i without any SIM Card,
2 - Press the left arrow key/button once,
3 - Press the button * twice,
4 - Press the left arrow key/button once,
5 - The message "Personalize with MNC2" will appear, (or you will have displayed an unlock menu, select the lock you want to unlock)
6 - Enter the Unlock Code.

Aug 10, 2012 | Sony Ericsson W550i Cellular Phone

1 Answer

How to openline

A gsm can be locked the SIM card is NEVER locked!!
The SIM itself is never locked: you can use it in any compatible unlocked cellular phone. There are 3 different kinds of simcards for mobile phones. Two 2G cards; a 1.8 Volt version and 3.6 Volt version. All newer sims are 3.6V versions. Some real old phones (older then the year 2000) have trouble handling the new simcards. Next to this you now also have the uSim(also referred to as 128k sim), this is a special simcard for UMTS phones and has more space to save contacts and text messages.

Different kind of locks.
There are different kind of simlocks, this depends on the brand but there are a couple common kinds of locks which are often used.
Sim lock -> Locked to 1 simcard
Operator lock -> locked to one operator (provider)
Password lock -> GID lock you have to have a code to unlock this lock.
Other locks are 'Wap lock', 'Mp3 lock'. Sometimes the names of the different locks are just different. For example; the term NCK code is same as network (operator) unlock code.
Note: a 'security code' or a 'user lock' is not a simlock! It is like a pin code only then not saved on the simcard but on your phone. This is usually a 5 digit number which the user of the phone has to set. This code can however also be reset by SRS service.

Feb 26, 2012 | Samsung Cell Phones

1 Answer

I updated my iphone3g but its not accepting the sim card and its saying that insert the sim without any pin lock? so what should i do now?

I assume that your iphone is not locked to any cell phone company ...

Insert your SIM in your old phone/another phone and remove the SIM pin lock/password, then try this unprotected SIM again in your iphone. Once it is accepted in the iphone, put the SIM lock/password back using the iphone.
Hope it helps.

May 03, 2011 | Apple iPhone Smartphone

2 Answers

I used the #*7337# code on samsung e250i and now there is no network being picked

1. First do a CUSTOM reset: *2767*2878#
2. Take a wrong network SIM and insert a half of it, so when you turn on the phone it don't detect the SIM. Very important so it won't ask for network password and shows "Insert SIM" message.
3. Now take out the battery a little so you can insert fully the SIM without turnig off the phone, at this stage the phone is still asking to "Insert SIM" with the WRONG SIM inside.
4. Make a FULL reset: *2767*3855#
5. The phone should reboot working with "wrong" sim inside.
6. Change the NCK password to 8 zeros: *7465625*638*00000000*00000000#
7. Disable network lock: #7465625*638*00000000#

Found this solution for you....

Good Luck!!

Dec 18, 2010 | Cell Phones

1 Answer

Error messgae "Insert sim"

remove the mobile parts safely and clean each and every part 
see if anything like broken like tat to the pins where u put the sim tat could be the problem

Dec 19, 2008 | Sony Ericsson W200i Cellular Phone

1 Answer

Removing sim lock for sony ericsson K550i

it is not simlock you simcard reader is not reading properly you either need to clean the contacts on the simreader or take the phone to a mobile service center and have them service the phone for you

Jul 11, 2008 | Sony Ericsson W550i Cellular Phone

2 Answers

My nokia 6680 is locked

do a master reset on the phone....that should help

Jan 01, 2008 | Nokia 6680 Cellular Phone

1 Answer

Other sim is not being accepted by w550i

The lock code is from your previous provider. They have apparently locked your phone into there company. You can ask them for the code but you will probably have to pay a small fee to release your phone. Or you can go online and find the code if you know how to look for it. Ebay sells codes to release your phone as well if that is any help to ya. Hope this helps and good luck.

Sep 01, 2007 | Sony Ericsson W550i Cellular Phone

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