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  1. #1
    Registered User
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    Nov 2008
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    How do I retrieve the any unique ID - number from Java ME.

    Hello,
    I need to read any unique ID or unique number in the Mobile Phone from J2ME.

    How do I retrieve the phone number or IMEI or phone serialno, any unique id or number from my midlet by J2ME?

    Thanks for your help.

  2. #2
    Super Contributor
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    Re: How do I retrieve the any unique ID - number from Java ME.

    There is no methods guaranteed to work on all models.

    Search for "Nokia-specific system properties" in the library: http://library.forum.nokia.com/

    Note that those that'd be useful (such as "com.nokia.mid.imei") are not really useful to 99.9% of developers, because of restrictions like "available only in the manufacturer or operator domain".

    Here "in the manufacturer domain" means Nokia's own apps (no independent software developer is going to get Nokia to sign the app for Nokia's - manufacurer - domain).

    And "in the operator domain" means that you'd have to make separate versions for each and every operator (there're only 1200-1500 operators in the world), and each must be signed with the operator's certificates, and it will only work when that operator's SIM card is in the phone. Operator = carrier = service provider who issues the SIM card.

  3. #3
    Nokia Developer Champion
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    Re: How do I retrieve the any unique ID - number from Java ME.

    If the device support buletooth, then even bluetooth address/id can be used as a unique ID for your device.

    JSR-82, is quite popular on all j2me devices these days.

    thanks,
    ~Amitabh

  4. #4
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    Re: How do I retrieve the any unique ID - number from Java ME.

    Hello again,

    Thanks a lot for the information.
    Is there any unique id other than bluetooth address?

    Thanks all of you.

  5. #5
    Super Contributor
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    Re: How do I retrieve the any unique ID - number from Java ME.

    Phone serial number (IMEI).
    Bluetooth MAC address.
    WiFi/WLAN MAC address.

    Whether you can use them from J2ME is a different thing. See the article I link to in my first reply in this thread.

  6. #6
    Nokia Developer Champion
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    Feb 2009
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    Noida, India
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    Re: How do I retrieve the any unique ID - number from Java ME.

    Is there any unique id other than bluetooth address?
    Yes we have mac address on devices using wifi and IMEI no. which is not so easy to get accross on all device henece bluetooth address is the most simple one.

    You can try to get the msidn or the cell no. also, either via sending sms to self for actiavtion or capturing it over WAP request passing thu the operator gateway.

    thanks,
    ~Amitabh

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