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SIM unlock?

Please post experience with S7 SIM (carrier) unlocking here, specifically third party websites that offer an unlocking service.

I bought my phone out right from T-mobile. And their unlock app that comes on the phone does not work

HTCMDA said:
I bought my phone out right from T-mobile. And their unlock app that comes on the phone does not work
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It works but you have to know what you're doing with it. Did you contact Tmobile for unlock code. We unlock and blacklist repair the Sprint, Tmobile, etc. The Tmobile ones have to go through that app during the process

supreme83 said:
It works but you have to know what you're doing with it. Did you contact Tmobile for unlock code. We unlock and blacklist repair the Sprint, Tmobile, etc. The Tmobile ones have to go through that app during the process
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yea man i called...they sent an email with instructions.. email stated this phone doesn't require an unlock code as it has a built in unlock app. follow the directions below blah blah balh
bottom line, it doesn't work. why? because there's hidden rules and crap that need to be met 1st by t-mobile. prepaid people need to spend at least 100 dollars in refills before the phone is eligible. post paid people need to have the phone active on t-mobile for a minimum of 45 days and your account cannot be cancelled during that time.
well seeing as how i'm on prepaid... i walked in, made a new customer purchase as a post paid user, then cancelled my line after i got my gear vr and netflix code... which wasn't even 30 days. I can't unlock my phone, So I'm now on prepaid gonna see if I can after 100 dollars in refills

Try to use UnlockRadar for any phone using Device Unlock App from T-Mobile, including the Galaxy S7. You can find more here: https://www.unlockradar.com/service/t-mobile-usa-device-unlock-app-official-unlock

Hello,
i need a help with a unlocking Samsung Galaxy S7 SIM (network) too. It is locked to Vodafone UK.
Does anyone know any reliable services to do it?
Thanks

merlooo said:
Hello,
i need a help with a unlocking Samsung Galaxy S7 SIM (network) too. It is locked to Vodafone UK.
Does anyone know any reliable services to do it?
Thanks
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I use ebay to get my unlock codes, unlocked maybe a dozen phones in the last few years and never had any issues with anyone.

A couple reliable sites I've used many times are www.unlockbase.com and www.cellunlocker.net . There's also a thread over on the s6 general forum of a member named stifilz that can unlock your device via USB cable, his service is free but a donation is always a nice gesture. Good luck!
Sent from the silver bullet 930F Running Superman Rom

kinda ridiculous you have to pay to get an unlock code still. My SM-G930FD i bought unlocked locks itself every time in install a T-mobile csc and the app wont even run on that phone

Hi can anyone help? I bought an At&t S7 Edge on amazon and got the unlock code from the vendor and it apparently worked. My only issue is that it'll only work with the sim that was in the phone when I entered the code. If I use another one the phone keeps displaying "insert sim". Thanks already for your replies

Thanks for the reply and there's 1 more things I need to mention: I'm using the phone overseas (Haiti) as it's still under At&t contract. Now to answer your questions no it doesn't ask for the unlock code anymore but like I said it only works with the non At&t
sim I used when entering the unlock code.
SamsungCodeSource said:
Hey there macphephe,
What network are you trying to use the phone with and does the phone ask for the unlock code still when you turn the phone on with a non AT&T simcard/
Let me know we can help
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s7 (sm-930f) lock to Austrian A1 was not able to be unlocked by unlockbase.com. However, the nck from cellunlocker.net worked well.

Ok so what im mentioning is something im still not getting quite well, but i saw before many samsung phones S6, S7, Note... etc that have the international firmware 9XXF/FD even when the phone is actually a T-Mobile version or AT&T, in download mode you will be shown the real phone model but the firmware isn't. Of course through Odin with a PC you won't be able to flash the phone with a firmware besides the one designed for it. If you actually wanna flash the phone you'll need the original firmware, i tried it before and flashed a Verizon S6 that had the international 6.0 firmware on it through Odin and as you might guess i got an error as the device didn't match the firmware, when i actually flashed it with the correct Verizon 7.0 firmware it worked and the phone booted and worked alright, except that now the phone is network locked! downgrade isn't possible unless i use a repair firmware and a pit file (not sure if still works with nougat). Then i got the idea of actually using the repair firmware and the pit of the 9XXF version as its network free, and ended up breaking the phone completely. The jig didn't work so couldn't access odin. So i work for a friend of mine in a repair workshop PC, Consoles, Mobiles... blablabla and we have the Z3x box, it did unbrick the phone, and then i started playing with it to see what it can do, and there is an option to actually flash and mix different parts of the firmware, so i went an flashed the bootloader of the Verizon firmware with the rest from the international firmware, it didn't boot at first but somehow i got it into recovery mode and after a format it did boot, and the network was actually unlocked after.
I do not think this method would work on all versions, as some samsung phones uses the snapdragon soc while others uses the exynos soc, and i don't think you can mix those firmwares, but an unlocked exynos model might be unlockable with the international firmware, of course considering the risk of breaking the phone, but if you're lucky as i was and have one of those boxes you shouldn't be much afraid.
Something else i'd like to mention, is that the Z3x can actually fully backup the phone, and i don't mean a nandroid backup like TWRP but like a full partitions backup, and the idea i got but didn't test is if you have for example a locked S7 and an unlocked one and same model so let's say 930P, you can actually copy the raw partitions from the unlocked one to the locked one and i don't know, maybe ending up unlocking it too, again didn't test this one as i only have one S7 and its already unlocked (930FD).

Anyone know a way that my girlfriend and I could swap phones? (s7's)

I purchased the Galaxy s7 Unlocked USA (SM-g930u with AT&T). I quickly found out that the bootloader is locked down and you cannot do very much with it. I did root it, but didn't like it much. My girlfriend has a Galaxy s7 (SM-g930p with Virgin Mobile). She said she would swap me phones so i would be able to customize the device. Does anybody know if this is possible? I've read a couple of posts about swapping firmware, not sure if that is a route, since my bootloader is locked. I bought my sm-g930u 5 days ago from best buy so I can still return it if there is no way to swap phones, or numbers or anything.

Rickyloc said:
I purchased the Galaxy s7 Unlocked USA (SM-g930u with AT&T). I quickly found out that the bootloader is locked down and you cannot do very much with it. I did root it, but didn't like it much. My girlfriend has a Galaxy s7 (SM-g930p with Virgin Mobile). She said she would swap me phones so i would be able to customize the device. Does anybody know if this is possible? I've read a couple of posts about swapping firmware, not sure if that is a route, since my bootloader is locked. I bought my sm-g930u 5 days ago from best buy so I can still return it if there is no way to swap phones, or numbers or anything.
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Both devices need to be unlocked and you need to check if each device compatible/allowed on the other network, i.e. AT&T S7 must be allowed on Virgin and Virgin S7 must be allowed on AT&T.
If both devices meet both conditions then all you should need is to put the AT&T SIM in the Virgin device and the Virgin SIM in the AT&T device then go to each carriers website or call each carriers customer support and go through the activation process on each network to get the devices reactivated, you can keep your existing number during the activation process.
It should require no PC tools or flashing unless the Virgin device needs to be unlocked(depending on that device's unlock method, it might or may not require PC or flashing to unlock it).
It should be a pretty straightforward process.
If you're unsure, you can always call both network's customer support and check with them first.
I DO NOT PROVIDE HELP IN PM, KEEP IT IN THE THREADS WHERE EVERYONE CAN SHARE

Can I root my Samsung S7 and gert rid of "all things ATT"..?

So, I'll apologize if this has already been dealt with previously, but I just need to verify what I've been told by a friend who knows Android systems (and Samsung S7 phones) a LOT more than I will ever attempt to understand..
About a year ago, I bought a Samsung Galaxy S7 from a 'rebuilder' (my term) who mentioned at the time "... it was ATT phone..", and, yes, when I turn it on it does the ATT circle jerk logo and has an ATT logo on the back of the phone. This was of no real concern to me, because my service purveyor uses the ATT system (Consumer Cellular), so it's worked well enough. But unfortunately, it also has a boatload of 'semi-proprietary' ATT trash in the phone which I'd like to get rid of. To confuse the matter even more, it appears that I cannot 'unlock' the phone because it has not been associated with an actual active ATT account for close to two years, and it APPEARS that now they refuse to accommodate an unlock code for this phone.
So... according to my friend (Mr. Android Phone), I can 'root' this phone to 'factory original firmware' and make it (in essence) just a plain-old-vanilla Samsung S7 without this rather bogus ATT firmware and the myriad of craplets I'd like to get rid of..
So, I'm here looking for "expertise" in such things because I certainly don't want to 'brick' this pretty nice phone, but I also want to get this to a point where there is no association with ATT in any manner. So my question sorta comes down to: "can I root this and be rid of all things ATT?", and "will this allow me to achieve an 'unlock' without having to play ATT's games? (I had QUITE the discussion with an ATT 'support' dude a couple of hours ago when he flatly refused to give me an unlock code so I could simply ATTEMPT to see if Consumer Cellular's T-Mobile service might work better at my home, since CC tells me I'm right in the center of a brand new rebuilt 4G service area).
Does any of this make any sense to anyone? Pardon my ignorance, but if the IMEI # is somehow 'tethered' to ATT and they won't "release" it, how does rooting help with this? - or is this something more like an 'association' of the IMEI # AND the ATT firmware...? GAH!! I'd just like to be totally rid of all this ATT junk and have the freedom to choose whichever service I want.

CentennialMan said:
So, I'll apologize if this has already been dealt with previously, but I just need to verify what I've been told by a friend who knows Android systems (and Samsung S7 phones) a LOT more than I will ever attempt to understand..
I'd just like to be totally rid of all this ATT junk and have the freedom to choose whichever service I want.
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Hi There that's a lot of words partner! I'll try make the answer easy to understand and I've cut out much of the post so my reply isn't huge.
1. Yes you can install vanilla firmware which will remove all branding from AT&T and you don't need to root the phone to do this. here is the firmware for your device >>here<< You can also use XAS or XAA. You will see the guide and the Odin you need to flash this firmware.
2. This is another version of Odin on this website if you have any issues with the one on Sammobile. >>here<<
3. Unfortunately you cannot unlock the phone unless the original cell phone provider gives you their half of the unlock key as a code to input to the phone. In the UK once a phone is out of the initial contract period it is illegal for the provider to refuse to give you this code whether your still with them or not. I know in the USA you guys gets ****ed over. The original account holder of the phone can ask for the unlock code but not you.
4. Changing the firmware and unlocking the phone to any network are two different things, flashing unbranded firmware will not unlock the phone the network is tied to. They don't make it that easy!
5. As far as i know T Mobile (USA) has also moved to G930U firmware so you could be lucky with a T Mobile SIM working once the phone is flashed with this firmware but don't hold your breath. Check Sammobile for the T Mobile firmware too.
6. IMEI number is tied to the phone so in theory it can be changed after the phone is rooted and you are able to modify the EFS partition but it is extremely difficult even for veterans like me and it causes lots of problems with cell network registration. Leave well alone if you don't want a completely useless device.
Things to make flashing go easier
1. Turn off FRP lock or sign out of the Google account on the phone or delete it before you do anything, you can put that account back on the phone after flashing.
2. If you enable Developer options make sure " usb debugging" is enabled and OEM unlock, not essential but can help when things go wrong.
3. Anything you want to keep, pics media etc back up or move to SD card, the SD card won't be touched when flashing firmware.
4. Please follow the guides on how to flash correctly.
Any other questions please ask.

It should be noted that if it's an ATT phone it's Snapdragon therefore permanently bootloader locked, OEM Unlock won't actually do anything, that setting only works on Exynos.
The only root method for Snapdragon is to use a leaked engineering bootloader to gain system access, and you can only install the leaked bootloader if your phone is already running old firmware. For up to date phones there is no root method.

Beanvee7 said:
It should be noted that if it's an ATT phone it's Snapdragon therefore permanently bootloader locked, OEM Unlock won't actually do anything, that setting only works on Exynos.
The only root method for Snapdragon is to use a leaked engineering bootloader to gain system access, and you can only install the leaked bootloader if your phone is already running old firmware. For up to date phones there is no root method.
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Hello mate i'm not sure if your aware but AT&T were initially Qual comm but they've also been using Exynos for a while.

cooltt said:
Hello mate i'm not sure if your aware but AT&T were initially Qual comm but they've also been using Exynos for a while.
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Source?

Beanvee7 said:
Source?
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Don't be smart you know how to use Google?

I did google it, I wouldn't have asked for a source if I found something. But it doesn't matter, you're the one making unsubstantiated claims, the burden is on you to prove it. But since you asked for it:
AT&T's website says Snapdragon
https://i.imgur.com/TdV62Mq.jpg
https://www.att.com/buy/phones/samsung-galaxy-s7-32gb-black-onyx.html
GSM Arena says Snapdragon
https://www.gsmarena.com/samsung_galaxy_s7_(usa)-7960.php
Wikipedia says Snapdragon
https://en.wikipedia.org/wiki/Samsung_Galaxy_S7#Qualcomm_Snapdragon_820_Models
There isn't a single page when googling AT&T S7 Exynos that backs your claim up. The USA also uses completely different network technology than internationally, using the S7 Exynos in the USA is already known to cause issues with LTE, VoWiFi etc. They'd have to do a hardware refresh of the Exynos SoC if they wanted to support it in the USA, which they ain't going to do a for a 3 gen old phone.

Beanvee7 said:
I did google it, I wouldn't have asked for a source if I found something. But it doesn't matter, you're the one making unsubstantiated claims, the burden is on you to prove it. But since you asked for it:
AT&T's website says Snapdragon
https://i.imgur.com/TdV62Mq.jpg
https://www.att.com/buy/phones/samsung-galaxy-s7-32gb-black-onyx.html
GSM Arena says Snapdragon
https://www.gsmarena.com/samsung_galaxy_s7_(usa)-7960.php
Wikipedia says Snapdragon
https://en.wikipedia.org/wiki/Samsung_Galaxy_S7#Qualcomm_Snapdragon_820_Models
There isn't a single page when googling AT&T S7 Exynos that backs your claim up. The USA also uses completely different network technology than internationally, using the S7 Exynos in the USA is already known to cause issues with LTE, VoWiFi etc. They'd have to do a hardware refresh of the Exynos SoC if they wanted to support it in the USA, which they ain't going to do a for a 3 gen old phone.
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lol ok.

[Help] Make Sprint / Freedom Pop Galaxy S7 Work on T-Mobile

My father recently lost his phone, and so I'm migrating his number to my t-mobile family plan. The only phone he has available is a Samsung Galaxy S7 that he purchased years ago to test with Freedom Pop. It's Sprint branded on boot up, but gives an invalid SIM with a t-mobile sim.
Model: SM-G930P
Software Version: G930PVPSBC TA1
Hardware version: Rev0.6
I've not had to be in the XDA scene for over 6 years since I'd started using Nexus / Pixel phones, so I've let alot of my knowledge slip; but I'm at least capable if pointed in the right direction.
Can someone please help provide me with a checklist of what I need to do to get this phone functional on T-Mobile? If I at least know what I have to do, I can figure out the rest...but given the time crunch of him without a phone and in need for medical reasons, I'm in a bit of a rush and can't study this model phone enough to know what all is necessary.
I'm assuming I need to unlock it, but I've never had to unlock a phone...they've all just worked between carriers for me. I tried contacting Sprint, but they wouldn't unlock it without an account. I tried some shady sites, but they seem expensive and don't understand why needed.
I'm hoping all I need to do is just figure out root access, get a recovery mode installed, flash a T-Mobile or other firmware, and bam...but I really am not sure. Any immediate help would be greatly appreciated!!

I tried contacting Sprint to unlock the phone, but they required I have a Sprint number with them. Seems odd, considering it's a federal law for unlocking now...
Well, I went ahead and just flashed the SM-G930T firmware on my Samsung Galaxy S7....and got an invalid SIM error.
Tried contacting T-Mobile, they went through a bunch and ended up saying Sprint would need to unlock it.
So now I'm stuck...and have no idea what to do next. Seems like I need to setup a Sprint account, get a Sprint number, unlock my phone, and cancel the service? That seems insane...
Was going to do a three way call with Sprint and T-Mobile, and hope somehow something could be sorted. Considering T-Mobile owns Sprint now...this just seems like hassle.
Any advice from anyone would be appreciated!

General PSA: There is No OEM Unlock on US Galaxy A53's

Whether you get a carrier version or the factory unlocked U1 model, OEM unlock does not exist on this phone. So those in the US that were thinking of doing custom roms with this cheap new Android device, look elsewhere.

Samsung has blocked their bootloaders on U.S. phone variants for years now. The only way to unlock is with paid service unfortunately.

ShaDisNX255 said:
Samsung has blocked their bootloaders on U.S. phone variants for years now. The only way to unlock is with paid service unfortunately.
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What service are you referring to? I'd love to unlock mine.

Jay1175 said:
What service are you referring to? I'd love to unlock mine.
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Well, it was located here: https://forum.xda-developers.com/t/sampwnd-usa-model-bl-unlock-info-u-u1-w.4201689/
But I guess it's temporarily closed until the person in charge returns. Usually it's not worth it for lower end phones since the unlock process can end up costing just as much as the phone tbh.

on some devices it takes 7 days for the oem unlock to show in developer options, have you tried the time and date hack to see if it shows

gav83collins said:
on some devices it takes 7 days for the oem unlock to show in developer options, have you tried the time and date hack to see if it shows
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This does not work on U.S. variants

SamPWNd is dead. Samsung patched it with firmware updates in 2021 (it is in the warnings not to install unpatched firware updates). The website is down. Unless they can find a new exploit in the new firmware, it is not possible.
Samsung has blocked BL unlock for a while. They seem to have shifted their target audience to a different group in recent years. If you really want BL unlock you should pick Pixel.

b1283822 said:
SamPWNd is dead. Samsung patched it with firmware updates in 2021 (it is in the warnings not to install unpatched firware updates). The website is down. Unless they can find a new exploit in the new firmware, it is not possible.
Samsung has blocked BL unlock for a while. They seem to have shifted their target audience to a different group in recent years. If you really want BL unlock you should pick Pixel.
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Click to collapse
it doesnt make sense from a business perspective, a regular audience doesnt even know about unlocking a bootloader, so they will be buying the phone regardless if samsungs advertising impress more than the competition, but for us lets say "power users" we know our warranty is void when we oem unlock, and buy making it easier to do it (oem unlock), they are more likely to shift more handsets to our side of the market, not only that but there is more chance of us breaking our devices which in turn gives them more income when we seek samsung official repairs or splash out on a new replacement, i really dont see the logic behind not allowing oem unlock unless its to test the abilities of the likes of chainfire in regards to exposing vulnerabilities

I bought the phone on sale just a few days before this thread was made (hoping to use it as a fun side-project / second phone to get back into modding- haven't been able to since my Note 5 since the Note 8 was locked). I had assumed getting a non-carrier one would be open but I haven't been able to get OEM Unlock to appear either : /. I even went with the A53 instead of A52 because I thought there was a better chance of having unlock on Exynos than Snapdragon. It's not too late to return but I'm still holding out hope someone can come up with something. I like Samsung hardware (for the most part) but without root... meh.
Willing to try ODINing tars and stuff if anyone has any ideas.

sidestream84 said:
I bought the phone on sale just a few days before this thread was made (hoping to use it as a fun side-project / second phone to get back into modding- haven't been able to since my Note 5 since the Note 8 was locked). I had assumed getting a non-carrier one would be open but I haven't been able to get OEM Unlock to appear either : /. I even went with the A53 instead of A52 because I thought there was a better chance of having unlock on Exynos than Snapdragon. It's not too late to return but I'm still holding out hope someone can come up with something. I like Samsung hardware (for the most part) but without root... meh.
Willing to try ODINing tars and stuff if anyone has any ideas.
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Exploits could take years to even begin to surface. S8 and S9 come to mind, but their root is so limited with locked bootloaders that it's almost not worth the hassle. I would return it to be honest or try and get an international variant imported. I've traveled to the U.S. with a Mexico variant phone and I got signal just fine, but I don't know how the internet speed compares if you use a U.S. SIM.

sidestream84 said:
I bought the phone on sale just a few days before this thread was made (hoping to use it as a fun side-project / second phone to get back into modding- haven't been able to since my Note 5 since the Note 8 was locked). I had assumed getting a non-carrier one would be open but I haven't been able to get OEM Unlock to appear either : /. I even went with the A53 instead of A52 because I thought there was a better chance of having unlock on Exynos than Snapdragon. It's not too late to return but I'm still holding out hope someone can come up with something. I like Samsung hardware (for the most part) but without root... meh.
Willing to try ODINing tars and stuff if anyone has any ideas.
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I switched over from Pixel line just for a Samsung specific feature and a quick google had me certain I would be able to unlock the bootloader and root it. It sucks that its not the case, but I blame awful tech journalism. So many articles that claim their method will work for ALL devices in a family, or even ALL ANDROID devices period.
ShaDisNX255 said:
Exploits could take years to even begin to surface. S8 and S9 come to mind, but their root is so limited with locked bootloaders that it's almost not worth the hassle. I would return it to be honest or try and get an international variant imported. I've traveled to the U.S. with a Mexico variant phone and I got signal just fine, but I don't know how the internet speed compares if you use a U.S. SIM.
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Getting an international version isn't worth doing IMO because the 5G bands don't overlap the same way 4G does. I looked in to getting an international model but decided against it as it doesn't support one of the three 5G frequencies used in my town. I figure there's 0 chance of new frequencies being added to the hardware, but always a chance of finding a security flaw to unlock the bootloader.

there are still U.S. Bootloader unlock services, but as of right now the A53 is not supported.
and only certain versions of bootloaders are supported.
Not SamPWND