[Q] Sim Unlock Vs Factory Unlock - Galaxy S 5 Q&A, Help & Troubleshooting

I was going to use mobiletechvideos to root the N900T I am planning to buy for use on AT&T. I might even buy a factory unlocked phone.
They have an option called "sim unlock" - They say it is a lower level unlock. If I bought a factory unlocked phone, would a Sim unlock be necessary (if I travel internationally)?

Related

Unlocking ATT Atrix 4G question.

I called ATT and gave me my unlock code for my Motorola Atrix. I used a Tmobile sim card, entered the code. And it said Network unlocked successful. So do I need to enter the code every time I use a non-ATT sim or it is unlocked forever?
And if I do an update, would it still be unlocked, or would I need to re-enter the code.
Thanks.
It is permanently unlocked.
Your good to go

[Q] Simunlock - verify and question

I unlocked via gfree using "./gfree -f" and have engineering boot 0.85.2007. In messing around in the bootloader at one point, I managed to accidentally select the "SIMLOCK" option in there...would that have permanently reset my simlock, or what does that option do? Is there a way to verify that I'm still simunlocked?
Also, if I do have simunlock active, does this mean I can use a prepaid sim card in another country without getting any kind of unlock code from TMO?
Thanks...
You would have to put a different carrier's simcard in to verify if you are unlocked. And yes, you can use prepaid sims overseas.
So no way to verify if simunlocked without actually trying another carrier's card huh?
So does anyone know - what does that "simlock" option in hboot actually do?
Bump...?......

Samsung Focus Carrier/Sim Unlock Question

I have an 1.3 rev Samsung Focus. It was an unlocked model I got from outside. I was in the US at the time of Mango update and updated my phone with Mango from AT&T. Now I have moved out of the US and want to unlock it. AT&T doesn't have the unlock code because I didnt purchase it from them. Any Ideas on what I can do? Will a custom ROM help me with Unlock? When I check lock status, it is SIM Lock is Disabled, only Network lock is enabled.
I'm not sure what you meant by "It was an unlocked model" in the context of "out of the US and want to unlock it". Was it unlocked or locked? Anyway:
Read the wiki, (carrier) locks are in NVRAM, no relation to flashing whatsoever, so any custom ROM won't SIM unlock your phone.
Have you tried ebay? Unlock is cheap as $1 and it doesn't hurt to try (unlock via IMEI - I unlocked AT&T and Rogers Focuses). If that fails, I recommend fastgsm, I've unlocked my own AT&T Focus with them, via USB (no affiliation).
EnderPsp said:
I'm not sure what you meant by "It was an unlocked model" in the context of "out of the US and want to unlock it". Was it unlocked or locked? Anyway:
Read the wiki, (carrier) locks are in NVRAM, no relation to flashing whatsoever, so any custom ROM won't SIM unlock your phone.
Have you tried ebay? Unlock is cheap as $1 and it doesn't hurt to try (unlock via IMEI - I unlocked AT&T and Rogers Focuses). If that fails, I recommend, I've unlocked my own AT&T Focus with them, via USB (no affiliation).
Click to expand...
Click to collapse
It was carrier unlocked, as in I could place any sim in the phone and it would work. After I updated it on my Zune with Mango, it was loaded with AT&T's version and hence locked to AT&T. Now AT&T doesn't have the record of the IMEI in their database and aren't able to provide me with an unlock code. They were able to provide the unlock code for my other windows phone that I purchased from AT&T. Thereby lies my predicament. Let me try the ebay version, if not I hope FastGSM works. Thanks.
I was not able to get the unlock code from ebay. But FastGSM seemed to work wonders. I used their USB unlocking tool and it worked just fine. Thanks for the tip.

[Q] Network locked sim card inserted

Hello, I recently purchased a supposedly unlocked note 3 N900W8 variant however when I put in my rogers sim card I get the message "Network Locked Sim Card Inserted" and it prompts me to enter a code. I read through a couple of threads and have some questions.
1. Some people fixed this by buying an unlock code but I don't see why I need to do this if my phone is already unlocked? Or is my phone not really unlocked
2. I saw the tool Region Away and was debating on whether to root my phone and try it but some people said that the phone will get messed up since the canadian variant is already region unlocked?
How can I use the phone with my sim?
Thanks for the help

SIM Lock/Custom ROM Question

Can't seem to find this answer. If I bypass the SIM unlock part, unlock my bootloader and load a custom ROM, like LOS or crDroid, will the new ROM overwrite the SIM lock? Could I then use an international SIM (I live in the US) when I travel abroad?
T-Mo is giving me the run around cause I'm not a T-Mo customer, saying they won't SIM unlock for me.
Here's how I did it: Settings -> About Phone -> scroll down to Network Unlock -> hit Continue (mine's unlocked already so I only see "Continue" or "Cancel" for a brief moment before it says, "This mobile device is permanently unlocked and can be used with any carrier!" Also I was not a T-Mobile customer when I unlocked this phone (never have been) and did this over Wifi in another country. I didn't have to contact T-Mobile either. I recommend trying to unlock it from the menu because it seems a lot easier than attempting a bypass.
Is the phone giving you some kind of message/error when you attempt to unlock using this method? Or are you attempting an experiment with the phone for research/discovering additional SIM unlock methods?
Hi
Is there a way i can run two sim at the same time in oneplus 7t pro mclaren hd1925?
Note that there is a dual SIM slot in my mobile, but only one of them works
Thanks

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