1. AC Question's Avatar
    Can anyone advice how to unlock Samsung Galaxy S4? I don't know to which network it's locked to. I don't know how to check it.
    04-13-2017 05:23 PM
  2. Tim1954's Avatar
    If it's locked to a network, you will have all the bloatware from that network in the device, preinstalled usually... Stick a sim in it and see what it says.
    In settings, about device, connections... Poke around on there and you should find available networks or similar... Network operators... Something like that with the info there...
    04-13-2017 06:39 PM
  3. la chupacabra's Avatar
    If it's locked to a network, you will have all the bloatware from that network in the device, preinstalled usually... Stick a sim in it and see what it says.
    In settings, about device, connections... Poke around on there and you should find available networks or similar... Network operators... Something like that with the info there...
    When I insert o2 card it says:
    "Invalid SIM card
    Network locked SIM card inserted"
    After it asks to type SIM network unlock PIN

    So 2 things:
    1. How can I check to which network this phone is locked?
    2. How can I unlock it?
    04-14-2017 08:40 AM
  4. Tim1954's Avatar
    the sim is network locked, it should be written on the sim what network it belongs to. The sim will work on its own network, that can't be changed, the device can be unlocked under some conditions. The service provider may give you a code to unlock the device if it's not encumbered.
    04-14-2017 10:16 AM
  5. la chupacabra's Avatar
    the sim is network locked, it should be written on the sim what network it belongs to.
    Do you mean sim card is network locked? The SIM that I want to use is o2. How can I verify to which network S4 is locked to? Without buying bunch of different sim cards and trying them one by one
    04-14-2017 04:46 PM
  6. Tim1954's Avatar
    The sim belongs to one network and it should be written on it who that is.
    The phone.. Go to settings... Connections... Mobile networks...
    You should have something like "telstra mobile" or similar. That's what your phone is locked to.
    Usually the network have their logo and bloat in locked devices.. Do you have anything like that in yours, especially when you turn it on...
    04-14-2017 06:49 PM

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