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Samsung - Galaxy S24 128GB - Onyx Black (AT&T) $549.99

$549.99
$799.99
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I saw BB dropped the price of S24 while I was clicking on it.

https://www.bestbuy.com/site/sams...Id=6570968

S24 128: $549
S24+ 256: $699
S24 Ultra: $899

If you don't want to try your luck with the SIM swap method to get the ATT version unlocked, then you can choose the unlocked S24 and then connect to ATT for $599 and then cancel the account.

Read on how to unlock the ATT phone after which you can cancel the line to avoid any fees

1. There are two timelines for the cancellation. If you cancel a line before 3 days it was active then the activation fee is waived. If you cancel it within 14 days from activation under buyers remorse then no bill is charged but activation fees need to be paid. The line activates on right when you place the order not the day you receive the phone on hand so you might have to pay the activation fee of $35.
2. You can use a tello/Google viice number and port to ATT but you would have to make sure porting is successful by going to https://www.att.com/portstatus/.
3. You can use SIM swap method method to unlock the device.
4. When you receive the phone activate it on ATT with the SIM provided. Make sure it shows up on myATT app/in the web so ATT knows and registers the IMEI in the network. Then put the SIM in another unlocked phone, reboot, make some calls and make sure this unlocked phone is now showing under the line in app/web portal.
5. Now go to ATT unlock portal https://www.att.com/deviceunlock/ and then choose not an ATT customer and use the IMEI of s24 and submit an unlock request.
6.Confirm the unlock request email and receive the unlock code.
7. Only cancel the line after you have unlocked the phone.

Then after unlocking if you are feeling adventurous and want to flash the phone to an unlocked firmware to get rid of ATT bloat you can follow these steps. It's actually very easy to do with Odin.

1. There are many models of s24U but in US two models are imp. S928U is carrier locked version and S928U1 is the unlocked US version. The firmware for these versions are interchangeable so you can flash the ATT model with S918U1 firmware.
2. Download patched odin v3.14.1_3B_PatchedD.zip from https://xdaforums.com/t/patched-o...1.3762572/ as regular odin does not allow flashing mismatched firmware.
3. Download the firmware from S928U1 XAA version from https://samfw.com/firmware/SM-S92...U1UEU1AXB7 Extract as there will be multiple files.
4. Connect S24U to the windows PC. Make sure developer mode is turned on in the phone.
5 .Put s24u in download/recovery/odin mode. Power down. Press Volume up and down together and then press Volume up to go into recovery (a green screen would appear).
6. Start odin and then select different files for different categories and then start.
7, It should be now the US unlocked version.
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Model: Samsung - Galaxy S24 128GB - Onyx Black (AT&T)

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Community Wiki

Last Edited by gadgetNerd March 9, 2024 at 02:09 PM
Cancellation of the ATT account and bill thereafter

== Will ATT send me a bill after the account is cancelled?

Firstly, keep the ATT buyers remorse policy handy when you talk to them. See https://www.att.com/wireless/return-policy/ click on "Consumer and Signature Customer Program Devices and Accessories" and here are the policy terms

"Service Cancellations within 14 Days. You may call us at 800-331-0500 to cancel wireless service. You are responsible for all applicable fees, prorated access charges, taxes, surcharges, or other charges through the termination date. AT&T will refund your activation fee, if any, if service is terminated within 3 days of activation. The charges for service used on the account before the service termination date may be applied against any down payment."

ATT will send you a bill with the full amount even after you cancel your account so you have to do couple of things to get rid of charges.

1. When you open the bill in myATT app/att website there will be something called "Don't recognize this fee" under the activation. You can click on it to get rid of a activation fee. This is an instant and automatic credit. Also this works even if you cancelled the account after 3 days.

2. Chat with CS to get rid of rest of the charges. Make sure to not fall for credit in the next bill/adjusted in the next bill, Be polite but persistent that you want charges to be credited now. Bring up the polict if you have to.

See https://slickdeals.net/f/17327499-oneplus-nord-n30-5g-128gb-unlocked-chromatic-gray-cph2513-best-buy-0 recent interactions with ATT CS.

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Joined Oct 2016
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Ted.
03-09-2024 at 08:58 AM.
03-09-2024 at 08:58 AM.
Quote from gadgetNerd :
Download in browser may be? Or try this https://samfrew.com/download/Gala...U1OYM1AXBG [samfrew.com]
What does this step mean/how do you do it?

"Put s24u in download/recovery/odin mode."
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gadgetNerd
03-09-2024 at 09:02 AM.
03-09-2024 at 09:02 AM.
Quote from Ted. :
What does this step mean/how do you do it?

"Put s24u in download/recovery/odin mode."

https://www.galaxys24ultraguide.c...very-mode/. You need to have developer mode enabled the phone as mentioned in the steps
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Ted.
03-09-2024 at 09:04 AM.
03-09-2024 at 09:04 AM.
Quote from gadgetNerd :
https://www.galaxys24ultraguide.c...very-mode/ [galaxys24ultraguide.com]. You need to have developer mode enabled the phone as mentioned in the steps
Yeah I got it.

My last hiccup, I have Odin launched but no idea what to do now with this step:

6. Start odin and then select different files for different categories and then start.

edit should I just drag and drop the files into Odin?
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gadgetNerd
03-09-2024 at 09:06 AM.
03-09-2024 at 09:06 AM.
Quote from Ted. :
Yeah I got it.

My last hiccup, I have Odin launched but no idea what to do now with this step:

6. Start odin and then select different files for different categories and then start.

edit should I just drag and drop the files into Odin?

Once you extract the firmware three will be different files named like the buttons you see in the Odin like AP, BL, HOME_CSC, choose the matching files there.
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Ted.
03-09-2024 at 09:09 AM.
03-09-2024 at 09:09 AM.
Quote from gadgetNerd :
Once you extract the firmware three will be different files named like the buttons you see in the Odin like AP, BL, HOME_CSC, choose the matching files there.
I extracted them. I guess should they have been extracted to the same folder as Odin? I drag and dropped them into odin instead.

Also "Userdata" remained blank on Odin, not sure if there's a reason for this?

edit should i "check" the box anyways ?

edit 2: looked it up, guess I don't need it.

Clicked start to run Odin but nothing seems to be happening >.<

edit 3: had to replug in after odin was loaded with files.

It worked, but I'm not sure it worked correctly because the ATT folder is still on the phone along with all the bloatware pre-installed

last edit- factory reset after flashing seems to have solved all problems

Thanks again gadgetNerd and good luck to all others
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Last edited by Ted. March 9, 2024 at 10:04 AM.
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gadgetNerd
03-09-2024 at 12:13 PM.
03-09-2024 at 12:13 PM.
Quote from Ted. :
I extracted them. I guess should they have been extracted to the same folder as Odin? I drag and dropped them into odin instead.

Also "Userdata" remained blank on Odin, not sure if there's a reason for this?

edit should i "check" the box anyways ?

edit 2: looked it up, guess I don't need it.

Clicked start to run Odin but nothing seems to be happening >.<

edit 3: had to replug in after odin was loaded with files.

It worked, but I'm not sure it worked correctly because the ATT folder is still on the phone along with all the bloatware pre-installed

last edit- factory reset after flashing seems to have solved all problems

Thanks again gadgetNerd and good luck to all others

Glad it worked out well!
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gadgetNerd
03-09-2024 at 02:09 PM.
03-09-2024 at 02:09 PM.
I updated the wiki with more cancellation information and the bill that might come from ATT.
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Ted.
03-09-2024 at 06:47 PM.
03-09-2024 at 06:47 PM.
Quote from gadgetNerd :
I updated the wiki with more cancellation information and the bill that might come from ATT.
Is there a way I can go online and verify fully ATT has been canceled ? I used their chat service to do it, and it seems fine, but wouldn't mind double checking
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gadgetNerd
03-09-2024 at 06:51 PM.
03-09-2024 at 06:51 PM.
Quote from Ted. :
Is there a way I can go online and verify fully ATT has been canceled ? I used their chat service to do it, and it seems fine, but wouldn't mind double checking

There should not be any line under the account.
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ramrock
03-11-2024 at 06:30 PM.
03-11-2024 at 06:30 PM.
Quote from Ted. :
​I was able to get the S24U unlocked. If anyone is curious, it took almost 2 hours of waiting for the sim swap step to work.

I do have another question: Could you provide some pros/cons of flashing the firmware?

My main concern is doing it incorrectly, what risks are there?
Additionally, if there would be any long term negative effects?
Lastly, what's the downside of just keeping the ATT firmware?

What is Sim swap? I have inactive Sim and another locked phone and installment plan. Sim that came with phone is not activated.
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814h4853n7
03-12-2024 at 04:05 PM.
03-12-2024 at 04:05 PM.
Was able to do the whole thing. Spent ~1 hr at Best Buy and ~20minutes doing unlocking. The whole thing seems fishy to me -- at&t website clearly says "[your device] was paid in full when you bought it (it was not purchased on an installment plan): You must wait 60 days from your purchase date to submit an unlock request." in their unlock eligibility requirements [att.com], so not sure how this could work in the first place. Of course I only saw this at the end of the whole thing which was a bit too late. I would have thought twice and done the unlocked version had I known this -- after all, at&t has all my information including my social security number, don't know what they would do if they find this out.
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gadgetNerd
03-12-2024 at 10:34 PM.
03-12-2024 at 10:34 PM.
Quote from 814h4853n7 :
Was able to do the whole thing. Spent ~1 hr at Best Buy and ~20minutes doing unlocking. The whole thing seems fishy to me -- at&t website clearly says "[your device] was paid in full when you bought it (it was not purchased on an installment plan): You must wait 60 days from your purchase date to submit an unlock request." in their unlock eligibility requirements [att.com], so not sure how this could work in the first place. Of course I only saw this at the end of the whole thing which was a bit too late. I would have thought twice and done the unlocked version had I known this -- after all, at&t has all my information including my social security number, don't know what they would do if they find this out.

This has been working for a long time now. ATT does not care if you unlock a device by fooling the system that a phone you are unlocking is not associated with an account you just created. They care about you cancelling your service. So to that end, you might end up getting a bill which you can voided by the policy and steps I mentioned the wiki.
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DavidZ1908
03-15-2024 at 12:56 PM.
03-15-2024 at 12:56 PM.
Want to share one successful datapoint (thanks OP for the detailed walkthrough).

I went for S24 256gigs AT&T (wanted a small phone). Got a Google Voice phone number, paid $3 to unlock, used that to purchase phone entirely online. Shipping took ~2 days (ordered sunday, delivered Tuesday morning).
Unlocking
Got phone, popped in ATT sim and set up. Popped sim out and put into my old unlocked phone then started refreshing the ATT page. Took ~ 1 hour until old phone showed up on my ATT account. Applied for unlock online (make sure to select not an ATT customer). unlock was approved and unlock code sent out in ~10 minutes. Popped my old sim into new phone (mint mobile sim) prompted for unlock code, typed it in everything worked.

Cancelling plan
Went on ATT chat same day and just told them I don't want my ATT account anymore. Think I got lucky and rep was pretty helpful, process took maybe 15 minutes total. They asked me why I wanted to cancel, I basically just said I didn't want the plan and they didn't prompt any further.
So far a week later, balance is showing up as $0 on my ATT account so will keep an eye on it but looks like I might not even need to contact support again to clear out the 3 day charge.

Thanks again OP!
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azadnah
03-16-2024 at 12:01 AM.
03-16-2024 at 12:01 AM.
Another data point for Sim swap. worked flawless . Took an hour for unlocked phone to register on at &t website. After putting the phone IMEI number, the unlock code email came within a couple minutes
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