Question about Sony Ericsson Z550i Cellular Phone

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Unlock sim hi how do i unlock my sim from my old service provider as i wanna put a diff sim card into it?? any free codes???

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You cant use a sim card of a network onto another network, it cant hapen. unless you are saying your phone is locked to one network and it cant be used on another sim?

Posted on Jun 13, 2008

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2 Answers

Need unlock code


Hi , If you've changed service providers then you'll need to ring your new service provider and tell them you'd still like to use your old cell phone number BUT if you're putting your sim card into a new or different cell phone make sure that cell phone isn't locked to a different service provider than your sim cards provider, I hope this helped... CHEERS..

May 06, 2016 | Alcatel OneTouch Fierce for MetroPCS Cell...

2 Answers

I dont know the phone lock code but if i put old 1 sim it works


The lock does not appear to be on the phone as the old SIM works. The lock is in the new SIM. You have to call the phone company or if you have the PUK code for the SIM you can go to the phone company's website and check how you can unlock the SIM card.

Sep 03, 2014 | Nokia Classic 2700 Cell Phone

1 Answer

Phone keep saying insert sim tried at least 4 diff sim cards


Hi,is your mobile saying to insert sim card even after inserting a valid card into your mobile? it means that your mobile is locked..to unlock it you can contact your current provider to get unlock codes to unlock your mobile or can get it from online providers..once i got unlock code for my mobile from classicunlocking and unlocked my mobile..you can too try getting codes for your mobile and get it unlocked..but before that check whether unlock codes for you country and provider..

Aug 04, 2011 | Cell Phones

1 Answer

I need the unlock code to use a diff sim card


FixYa cannot supply this to you.

Either visit a phone unlocking shop, or search for an unlocking code online (but you pay and have no guarantee of a fix), or contact your service provider.

Note that there is no such thing as a free unlocking code: you pay for it one way or another.

Feb 19, 2011 | Cell Phones

5 Answers

I have a new samsung mobile phone and i insert sim card but diplaying message is invalid sim card what is the problem?


Hi,is either the phone is locked to the Sim( can work with the Sim on less you unlock the phone ), or the Sim card is damaged.

You can try Sim card with another phone for confirmation, and to unlock phone to work with the Sim card, you willneed to unlock the phone.


Hello,

the truth is that you can unlock the phone ,but you can't unlock all phone for free.

The payment sites are very cheap you could try it out and see.

You can the link below to unlock .

Note: unlock is not free, You will be charged to get your unlock code.

The only way by which you can get the unlock code for free is by calling your service provider

and requesting for your unlock code.

If you service provider refuses to give it to you, then there is no other place where you can

get a free unlock code.

Visit the link below if you are interested in buying the unlock code:

(mobileunlocked.com/mobile_unlocking.php)

Good luck.



Jul 07, 2010 | Samsung C3050 Cell Phone

1 Answer

I have an LG Cookie phone and I just put a new sim card in and it comes up with USIM locked but I can't enter the PUK code anywhere as it won't tell me how. It works when I put in the old Sim card but I...


Hello,

the truth is that you can unlock the phone ,but you can't unlock all phone for free.

The payment sites are very cheap you could try it out and see.

You can the link below to unlock .

Note: unlock is not free, You will be charged to get your unlock code.

The only way by which you can get the unlock code for free is by calling your service provider

and requesting for your unlock code.

If you service provider refuses to give it to you, then there is no other place where you can

get a free unlock code.

Visit the link below if you are interested in buying the unlock code:

(mobileunlocked.com/mobile_unlocking.php)

Good luck.


Jun 30, 2010 | Cell Phones

1 Answer

Hi my sim card is locked it saidpuk locked enter puk 9 attempts remaining


Hi,your sim card is locked and the only code that can unlock your sim card is the puk(personal unlocking key) code which is generated by your service provider for your sim card alone.

Your PUK code can only be obtained from your service provider,so this is the solution,

Contact your service provider customer care and request for your PUK code with proof of ownership of your sim card.

The PUK code will be giving to you for free.

You can also obtain your PUK code from your sim card certificate that comes with your sim pack when purchased,that is if you still have it with you,

Take care

Mar 11, 2010 | LG Shine CU720 Cellular Phone

2 Answers

Hi, i have the Nokia 3220 from Rogers canada and trying to use a SIM also from rogers, but when i turn the phone on it is giving me "PHONE RESTRICTED" It may be that I am trying to put a newer SIM in an...


When you place a new or a existing SIM card from another phone provider into your mobile phone and it asks for a Security code then :-
This phone is locked to the original mobile phone provider. You need to contact this mobile provider to ask for the unlock code (security code) for this phone. You need to provide proof of ownership etc and the phone's unique IMEI number which is located inside the phone under the battery. They use this number to generate the unlock code for your phone.
They should provide you with instructions on how to enter this code into the phone.
Once you unlock the phone, then you can insert a new SIM card in this phone or sign up with another phone provider using this phone.

You could ring the phone provider and ask for the unlock security code because you are going overseas and wish to use your phone with a prepaid SIM card from another country. This maybe a free service.
The other way to get your phone unlock is to use a phone unlocking company on the Internet, they usually charge a couple of Dollars for their services. Use Google and search for "Security unlocking code” companies in your area.
You can also try these WEB site :-
http://www.mobileunlockguide.com/mobile-phone/
www.unlock-free.com/nokia-master

Jan 22, 2010 | Nokia 3220

2 Answers

How to unlock puk code for nokia 1110


Hi your only option is to call your phone service provider. No it doesn't come with the phone and the phone never has its own puk code because the puk code is about the sim card.

if you put in another sim card the phone will work just fine, its the sim card 3 times pin code wrong puk code enabled pin blocked, call service provider to get it and entry instructions.

Let me know if you need anything else.
Thanks,
Ekse

Apr 25, 2009 | Nokia 1110 Cellular Phone

1 Answer

Free unlocking or subsidy code for mobile phones


When you place a new or a existing SIM card from another phone provider into your mobile phone and it asks for a Security code then :-
This phone is locked to the original mobile phone provider. You need to contact this mobile provider to ask for the unlock code (security code) for this phone. You need to provide proof of ownership etc and the phone's unique IMEI number which is located inside the phone under the battery. They use this number to generate the unlock code for your phone.
They should provide you with instructions on how to enter this code into the phone.
Once you unlock the phone, then you can insert a new SIM card in this phone or sign up with another phone provider using this phone.

You could ring the phone provider and ask for the unlock security code because you are going overseas and wish to use your phone with a prepaid SIM card from another country. This maybe a free service.
The other way to get your phone unlock is to use a phone unlocking company on the Internet, they usually charge a couple of Dollars for their services. Use Google and search for "Security unlocking code” companies in your area.

Feb 15, 2009 | Motorola Mobility RAZR V3

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