s8 2-sim cards needs unlock code - Samsung Galaxy S8 Questions and Answers

I bought an S8 "sm-g950df" no carrier contract, when i inserted the second sim card it asked me for unlock code... all the threads I came across are about carrier unlock. I'm sorry if there is already a thread that talks about that but I cant find it.

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unlocking x10 without another carrier sim card

Good Day,
I got an unlock code from mobileincanada.com but I don't have another carrier sim card to force it to ask me to sim unlock the phone.
Is there anyway to enter the sim unlock code on the X10 with putting a different sim card in?
Thanks
why not use one of your friends sim card?
Where are you located? You can easily go to a phone shop and they will lend you a sim so you can do your unlock.

[Q] AT&T S5 -- Sim question

Thanks in advance for your time.
I consider myself somewhat savvy. I have searched all over for an answer before asking:
I bought a SM-G870A and I have tried putting an H2O SIM card with no unlock screen. I tried two other SIMS with no unlock screen. I assumed it was unlocked.
I tried selling this phone to a guy who was going to use it in Mexico and told him it was not SIM locked. He tells me that when he puts his SIM card in it asks for an unlock code.
I am lost as to why it would suddenly ask him for an unlock code but all my SIMS did not. I have not been able to see him try in person yet.
Why would I be able to put SIMS in the phone and not get asked for an unlock code. I thought that meant it was unlocked?
Thanks for the help!
I just went through this "sorta" thing when I unlocked my t-mobile s5. I took out my t-mobile sim and put in a metropcs pcs sim and got no unlock screen upon reboot. I put in a cricket wireless sim and upon reboot I got the unlock screen, which I quickly put in my unlock code.
I'm assuming since metropcs is owned by t-mobile, that is why it didn't ask for an unlock code.
Is h20 owned by at&t, if so, that could be why the phone didn't ask for an unlock code when you put in the h20 sim
el7145 said:
Is h20 owned by at&t, if so, that could be why the phone didn't ask for an unlock code when you put in the h20 sim
Click to expand...
Click to collapse
Thanks for the feedback. There could be something like that going on.
h20 uses the ATT network.
I tried a Simple Mobile (T-mobile) and no unlock code prompt
I tried a US Cellular LTE card -- would not connect to network -- no unlock code prompt
I tried a Verizon LTE card -- Same as US Cellular
I am stumped as to why this would happen. I would think a locked phone would not accept those cards without an unlock code prompt.

Is a SIM unlock code a 1-stop unlock fix?

Hi there,
Sorry to say that I'm sure this has been asked before, but I couldn't find the right search query to find a decent answer.
I'm curious what the value of a sim unlock from one of the many websites out there is? I don't mean the price, but will that code alone make my phone usable in a different region (assuming that the network type is supported?)
I've read a lot of information about region locks on phones, as well as SIM locks. I guess to simplify my question: Do I need to do both of these things, or is the SIM unlock sufficient?
Also, is there a site that sells these codes which XDA supports?
Thanks so much to anyone who can help or direct me to a decent answer.
Well, that depends on how your cell phone is locked. Some phones are locked to a region, let's say if it's region locked in europe it will work with any SIM card in europe, but some are SIM locked to a specific carrier and they will work only with SIM cards from that network and that country. The most unlocking websites on the market sell SIM unlock codes, because if one has an locked phone and whant to use another sim card, it's probably SIM locked. There are many reliable unlocking online services out there, like www.unlockradar.com or www.unlockbase.com

How to unlock my Nexus 6p? EE UK

Hi guys, I got my Nexus 6p last week from EE (UK network) and I have a problem:
Next week I'm going away to a diffrent country (Poland) for Christmas and New Years Eve and wanted to put a SIM card from that country into my phone, but it says I need a PUK code to do it... So I called EE and said what the issue was, and it turns out I will be able to get after I will have been for at least 6 months with EE ( I'm a new customer).
Is there any way I can unblock the phone on my own?
Cheers in advance.
If it requests a PUK code, you have to find the PUK code that belongs to that SIM card (from Poland).
So, you'll have to call Poland for the PUK code, or have to check the documentation you got with that SIM card.
I think EE was talking about a network unlock code, that's a complete different thing.
Edit: A PUK code is normally needed when you enter an incorrect PIN 3 times.
Casmo said:
If it requests a PUK code, you have to find the PUK code that belongs to that SIM card (from Poland).
So, you'll have to call Poland for the PUK code, or have to check the documentation you got with that SIM card.
I think EE was talking about a network unlock code, that's a complete different thing.
Edit: A PUK code is normally needed when you enter an incorrect PIN 3 times.
Click to expand...
Click to collapse
Yeah, you're right, I meant a network unlock code.
So is there a way I can unlock it on my own?
Anybody?
I used this http://m.sim-unlock.net/sim-lock/72/Unlock_by_code_for_Huawei_phones/#details worked a treat and I had the code within 24 hours

Question about Sim unlock

I got a Sim unlock code from at&t today for my GS7 however I'm not leaving for another carrier just yet. Does the code expire?
I'm not sure if I should just borrow a friend's Sim card, pop it in and unlock the device then just put my at&t Sim back in or just hang onto the code until I'm ready to use the phone on another carrier.
Thanks in advance for your thoughts and direction on this.
does not matter
Code
Thanks for the reply.. I got it from at&t.. Sent it within 48 hours of request

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