Question about Samsung SGH-J750 Cell Phone

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Unlock codes My nan gave me her phone but its locked to optus and im with telstra. I need the unlock code or ow to get a free one. Thanks MY SAmsung phone is locked to Optus is there any free way to unlock it to all networks my phone is a SGH-J750

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  • kuly Jan 14, 2009

    My phone is sgh-j750.It is unlock from 'yes' optus sim.I want to unlock the phone to use another sim.

  • bigianyan Feb 01, 2009

    i have the same problem. can anybody help?

  • Anonymous Mar 01, 2009

    The phone I received while I was still in Vientam has a network/SIM lock & I can't use any SIM cards from Australia with it. I can't give it back or go to the store from which I got it from and ask them to unlock the phone simply due to the fact that the point of purchase is in Ho Chi Minh City, Vietnam. Anyhow, there must be a way to bypass & wipeout the network lock. I really want to utilize my phone that was given to me by someone special so how do I achieve this? There must be a way.

  • mgmbiplob May 11, 2010

    is there any other way?

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For unlocking samsung mobile phone codes u have to surrender it to the shop from where u buy it. from there the company will take it.only company experts can unlock it or else u have to change the software.it is because that the company is alert for keeping ur personal details from hacked.

Posted on Jan 12, 2009

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Posted on Jan 02, 2017

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Network lock


hi!
here's a tricks to unlock your phone C417

insert a different sim to your phone then
input this code: *2767*3855# wait till it reboot
now your phone is open next input this
code: *7465625*638*00000000*00000000#
next again input another
code: #7465625*638*00000000#
finish now your phone is permanantly unlock.
feel free to use any sim...... ok!
please send me feedback if you fix it..



peace!

Dec 14, 2007 | Samsung X640 Cellular Phone

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