Question about LG KG800 Cellular Phone

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Can't remember password/code to unlock phonelock

Son put phone lock on my phone so i can no longer use my two sim cards in it when i bought it it was unlocked to any network but will now only take one sim and if i try to put a diffrent sim in it asks for a password

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  • margaret-anne hammond Aug 06, 2008

    cheers for tryin but it's the actual phonelock in the security settings that i can't get code for as the phone works fine when the sim it's locked to is in it but it should take any sim for any network s it was unlocked to any network when i bought it but cheers


  • margaret-anne hammond Aug 08, 2008

    the phone is a lg KG800 and i had used different sims for 3 different networks and i don't have a orignial network provider as i bought the phone sim free from lg outlet therefor i don't have a orignial network provider but it is locked to a O2 sim at the moment.



  • margaret-anne hammond Aug 08, 2008

    the phone is a lg KG800 and i had used different sims for 3 different networks and i don't have a orignial network provider as i bought the phone sim free from lg outlet therefor i don't have a orignial network provider but it is locked to a O2 sim at the moment.



  • margaret-anne hammond Aug 08, 2008



  • Anonymous Mar 24, 2014



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Hello there....well its quite simple...there is nothing wrong with your phone ...its your SIM... if it is asking for a PUK (Personal Unblocking Key) your subscriber and ask them for PUK code,entering this code will reset your sim

If the error message is saying sim damaged call them and ask for a "sim replacement" you will get a new sim while you will retain the same number ,however you will lose the phone numbers and other data stored in sim,this can be free but it depends on the company and how 'customer friendly they are

Hope this help

Posted on Aug 06, 2008

  • Anuj Joshi
    Anuj Joshi Aug 06, 2008


    can you tell me the phone model number i nokia 6600 or sony w 850......

    and have you actually tried using different sims in it before this issue cropped up ? because at time it is said it is unlocked ...but it is actually not activated....

    procedure for unlocking is...

    you need to call the customer care of your original network provider ....just keep the model number of your phone number handy (you will find that on the box in which you got the phone)...or the IMEI number (15 digits mostly) by dialing *#06# on your phone or beneath the battery or on the box near bar code....this is a paid service and charges differ from network to network

    you will be able to use any sim in your phone of any service around the world

    see you

  • Anuj Joshi
    Anuj Joshi Aug 08, 2008


    1)try to use the sim that is not working in a different phone ....i think it will not work in a different phone as well i think the sim is blocked ....(it asks for PUK code ) the Customer service of this sim to un block the sim

    2)if the sim works fine in a different phone ....the call O2 update your IMEI number with them(procedure to get IMEI above)...and they can give you the phone security code as well or make ask you to reset your phone to factory settings(you will lose data stored in the phone in this case )

    talk to LG if O2 cannot solve it ....

    reset will be the last option (save your number ,photos,and data before you go for reset

    good luck


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