Bl flashes to swap out bootloaders question. - AT&T Samsung Galaxy S8+ Questions & Answers

i am too on the quest to find a way to unlock this dang bootloader. I am curious as to if anyone has successfully swapped out their complete phone with carrier and everything to another carrier. We all know we can swap rom with TMO but couldn't we just transfer out the whole internal software with that of TMO and would it be able to be rooted like all others through ODIN? Or would it still be locked down by the .com.carrierconfig that ATT has signed to the phone? This forum is so dead it's unbearable. It seems as if all has lost hope with AT&T s8+. If anyone knows about the question above please answer. Thank you in advance

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Will flashing an AT&T tilt with the HTC ROM unlock it from the network

I am curious if flashing my AT&T tilt with the HTC software will allow me to use a sim card from another carrier. Has anyone tried this?
doctorphil said:
I am curious if flashing my AT&T tilt with the HTC software will allow me to use a sim card from another carrier. Has anyone tried this?
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Nope. Find something/someone/someway to SIM unlock phone. Not possible as of yet. ROM flashing will work only after you CID unlock your phone, which means you can flash different ROMs onto your phone than originally suppied.
Some post couple days ago talk about how to sim unlock already, just search for it and call the att number on there, it work for me.
maximuz329 said:
Some post couple days ago talk about how to sim unlock already, just search for it and call the att number on there, it work for me.
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haha, yeah, for some reason i never think to call up At&t for anything... i'm sure you can lie to your provider so they will give you the unlock code (at least until enough people use the same story verbatim to where they realize that it must be posted some discussion board as to how to get sim unlocked....)
I am still somewhat confused as to the unlocking aspect.
I know I can obtain the SIM unlock code for the Tilt from AT&T. Are you saying that it is still impossible to CID unlock the phone, once this has been done?
lorettaboy said:
I am still somewhat confused as to the unlocking aspect.
I know I can obtain the SIM unlock code for the Tilt from AT&T. Are you saying that it is still impossible to CID unlock the phone, once this has been done?
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SIM unlocking and CID unlocking are two different things.
CID unlocking allows you to use OS ROMs from other variants of the same hardware. i.e. HTC TyTn II ROM on a Tilt. CID unlocking can be done easily with HardSPL.
SIM unlocking allows you to use SIMs other than your carrier's. Right now the only way to get a Tilt SIM-unlocked is to get an unlock code from AT&T, or to purchase an unlock code from someone else (who is probably just abusing an "insider" within AT&T to feed them unlock codes.). Flashing an alternative radio ROM can remove a SIM lock, but from a few posts I have read, it is going to be much more difficult/take much longer for our enterprising hackers to figure out how to flash an unsigned radio ROM and have it actually boot, apparently the radio bootloader now does an integrity/signing check against the ROM and will only boot signed carrier ROMs.
Well then I'm still going to call ATT tomorrow for the sim Unlock (heading to japan in a month) but, from what your saying does that mean i can go ahead and flash my phone using HardSPL to HTC stock? or do i need to have sim unlock first regardless what i do?
I understand it's encrypted. But what happens if you dump the radio rom from a tytnii and flash it onto a 8925?
ziddey said:
I understand it's encrypted. But what happens if you dump the radio rom from a tytnii and flash it onto a 8925?
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Don't think it'll work. I think that the ROM has to be signed until the bootloader gets cracked. Not sure. If it worked, we would've heard about it and it would be in all the FAQs.
I wonder how it works though. Definitely am not knowledgeable enough about this yet, but upgrades have come out in the past for older phones. It wouldn't change the lock state though. Why is that? If there's a way to corrupt it and then flash back the original? Are there any signed radio roms out?
What exactly happens when you flash an unsigned one? Brick or just no radio?
Philz said:
Well then I'm still going to call ATT tomorrow for the sim Unlock (heading to japan in a month) but, from what your saying does that mean i can go ahead and flash my phone using HardSPL to HTC stock? or do i need to have sim unlock first regardless what i do?
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Can you let me know how it goes with the call to AT&T? I'm going to HK in December and will call AT&T soon. I want to wait a little before calling since I just got the phone last week.
No worries. Tell them just that. You'll be off the phone within 5 minutes. No hassle at all compared to when I called to get my nokia 6682 unlocked a year ago. Just make sure you call international support
flashing tutorial
Hello,
I am very new to this so please forgive me. I did some searches but was unable to find anything complete. So is there any complete tutorial on how i can CID unclock and flash an AT&T Tilt with Dutty_s_TouchFlo_Final_Rom
Thank you

Help with SM-G920W8 (CDN)

I rec'd a SM-G920W8 model from my cousin. Its on Fido but I have a Rogers SIM card. I would like to simply unlock the phone and use it on Rogers instead and if possible, update the phone to a newer ROM/Android version but to have it still on Rogers after the fact. The phone has following details:
Android Version: 5.1.1 (stock)
Baseband: G920W8VLU3BOJ7
Im sure there are a guides for this on here, I did find one for a bootloader unlock from Mr. X on here, but I wasnt sure which bootloader file to download and thought I would ask if someone could please point me to the right direction as I simply dont want to brick a phone.
Any insight into this would be greatly appreciated by this newbie!
Thanks!
Are you sure it needs to be unlocked? Telus and Koodo phones as well as Bell and Virgin work on either network without unlocking.
350Rocket said:
Are you sure it needs to be unlocked? Telus and Koodo phones as well as Bell and Virgin work on either network without unlocking.
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You are right!
I just did what you suggested and its working now. I didnt think this was possible as the last Fido phone I had I had to unlock it.
Thanks for the suggestion! Much appreciated. I guess if I wanted to now just install a new ROM or update the Android platform on it, I can do that.
Yes. I'm running stock nougat on mine. It still receives updates ota without issue despite being a telus phone on koodo. I can root it and install a custom Rom anytime but it works fine and I don't want to wipe it right now. Too much important data. Online dating and texting several different girls I need to keep all my texts for future reference lol.

Trying to unlock SM-J105Y from carrier

Just prior to reading this I'm letting you know I live in Australia
My Grandma bought a Samsung J1 Mini (SM-J105Y) from Coles and it's locked to Vodafone and she's with Optus, she asked me if I was able to unlock it for her and I said yes. I said yes assuming I'd be able to find what I needed to flash the kernal and ROM however it doesn't seem like there's as much support as I'd expected. Was hoping someone could help me out? If anything I might be able to find the stock firmware but not kernal. I'm not sure how locking phones to certain carrier's work anyway so I just assume I need to flash the kernal and ROM?
HI there
@FateDreadnaught don;t know if you've figured out unlocking from your carrier since you posted about it, if not here's what you need to do:
Go to the Vodafone Australia site and search for Unlock phone, all the information on what you need to do and the links on how to do it will come up there.
Unfortunately it is not free, if the phone is less than six months old, you will need to pay $50, more than six months $25.
When you use the unlock tool, answer YES when asked if you bought the phone from Vodafone, otherwise they will say to take it back where you got it from, and I guarantee you Coles won't be able to help.
oh and DO NOT TRY TO ROOT/FLASH AN UNLOCKED PHONE, IT WILL BRICK!

SM-G970U with SM-G970F FIrmware?

Hello All,
Ok so first off you guys at XDA are the ****! I swear I can find anything I need to know on this site with a little research, much respect. So as the title suggests I wanted to know if it's possible to flash a SM-G970U (US) with SM-G970F (UK) firmware? I am basically looking for a slightly less complicated way of enabling "OEM Unlock" to Unlock the bootloader. And yes I realize that more than likely I will not be able to use any US sim cards with that firmware but if it is possible and I could unlock the bootloader I could basically load anything I wanted onto it right?
......actually seems like the SM-G9700 would be a better candidate for the firmware to load on the SM-G970U.
.....be gentle, I'm a N00B...kind of =\
Hello All,
xlivexevilx said:
Ok so first off you guys at XDA are the ****! I swear I can find anything I need to know on this site with a little research, much respect. So as the title suggests I wanted to know if it's possible to flash a SM-G970U (US) with SM-G970F (UK) firmware? I am basically looking for a slightly less complicated way of enabling "OEM Unlock" to Unlock the bootloader. And yes I realize that more than likely I will not be able to use any US sim cards with that firmware but if it is possible and I could unlock the bootloader I could basically load anything I wanted onto it right?
......actually seems like the SM-G9700 would be a better candidate for the firmware to load on the SM-G970U.
.....be gentle, I'm a N00B...kind of =\
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Actually i want to know as well because i read somewhere where someone said its possible because they are all the same models........did it work for you?
yea no...don't do that it won't work
Lol i already tried it flashed succesfully according to odin but when the device rebooted it came with the same firmware before and nothing changed Lmao
how did it flashed ,please specify
I was told this is not possible. Unless you can find original overstock (i.e. that has NOT been updated) in which case you can pay to unlock the bootloader.
Otherwise, I believe any bootloader beyond v1 cannot be bootloader unlocked. Only hope is Sammie does us a solid when this goes EOL and unlocks the bootloader. Question is whether VZW and AT&T will prevent them from doing that.
My S10e is still going great, and if I could root and flash a custom rom I'd probably replace the battery and roll with it another 3-4 years because I have no interest in the larger phones that dominate the Android market now.

LG STYLO 5 (LM-Q720CS) flashing ROMs to unlock carrier?

Hello.
I have searched the forums and they say there is no way to unlock the carrier for my model; I'm no expert, but what if I flash the ROM? Is it possible to unlock the carrier like that? So I went to the LG website and they have stock firmware files for flashing, the problem is that there is no exact copy of my model, so I was wondering if it is possible to use other ROMs for flashing my phone, like the only difference is the company carriers, there's LM-Q720MS, Q720MS, Q720TS, Q720VSP, I don't live in the USA so I don't know much about phone carriers; Since I have limited bandwidth I can't download all of them and experiment, does anyone knows if any of those ROM files are able to unlock my phone?
The answer is no this process will bricked your cellphone.
Osmodivs said:
Hello.
I have searched the forums and they say there is no way to unlock the carrier for my model; I'm no expert, but what if I flash the ROM? Is it possible to unlock the carrier like that? So I went to the LG website and they have stock firmware files for flashing, the problem is that there is no exact copy of my model, so I was wondering if it is possible to use other ROMs for flashing my phone, like the only difference is the company carriers, there's LM-Q720MS, Q720MS, Q720TS, Q720VSP, I don't live in the USA so I don't know much about phone carriers; Since I have limited bandwidth I can't download all of them and experiment, does anyone knows if any of those ROM files are able to unlock my phone?
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no, I don't know your answer, I'm on metro PCS, and was able to just request the unlock through the carrier app on my phone, and they did it right away

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