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Select T-Mobile Accounts w/ Qualifying 2+ Line Plans: Get A New Line EXPIRED

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T-Mobile.com offers Existing T-Mobile Customers on Eligible Plans with 2 Lines or More to add a New Line for Free.

Thanks to community member Jman100 for finding this deal.

What Do I Need To Do To Get This Offer?
  • This is a targeted offer from T-Mobile and is only open to select existing customers that meet the following requirement:
    • You must have a qualifying T-Mobile postpaid plan with 2 or more lines that falls under one of the following SOC Codes shown in this image (see instructions below on how to find your SOC code).
      • SOC (Service Order Code): The technical term used to describe plans and services that are added to customers' accounts within T-Mobile's billing systems.
    • If you are certain you qualify, login to your account below and:
    • Alternatively, you may call T-Mobile and a representative can assist you with adding your 3rd line.
      • If calling, promotion name is "2020 Line On Us 4".
Instructions to find your SOC code (thanks to Reddit user massiveprodigy):
  1. Using the Google Chrome web browser (desktop version), open the Developer tools panel on the right (Ctrl+Shift+I)
  2. Click on Network tab
  3. Click on XHR tab
  4. Log in my.t-Mobile.com and click Account at the top.
  5. In developer tools panel, choose manageaccount from the list on the left
  6. Account level promos will appear under accountDiscounts
  7. Line level features will appear under lines > # > addOns
  8. If there is a pending change, you can see exactly what it is by clicking productsPendingChange
  9. Rate plan appears under ratePlans
Can This Be Combined With Other Offers?
  • This deal CANNOT be combined with any of the following current T-Mobile promotional offers:
    • iPhone 12 "on us" (2020 Apple Trade Activate P3)
    • BOGO iPhone (2020 Apple Buy 2 P11)
    • Free Galaxy A71 5G with new line (2020 Samsung Activate P12)
    • Free OnePlus 8/8T+ 5G with new line (2020 OnePlus Activate P5)
    • Costco BYOD promos
    • TFB-exclusive promos
  • By participating in any of these offers above while using your new free line, you will forfeit the free line terms and will have to pay for that line.
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Original Post

Written by
Edited December 20, 2020 at 03:25 PM by
Starting December 20th customers on an eligible plan with at least 2 paid lines can add a line for free.


Eligible SOC list: https://i.imgur.com/LZegl3r.jpg

Please note: There's a lot of misinformation and confusion around this promo. Inevitable when a promo like this happens half a month after an identical one just ended. Here are some critical nuggets of info:
  • The promo is called "2020 Line On Us 4"
  • It is fully stackable with "2020 Line On Us 3"
  • Internal docs mention a scenario where it isn't stackable. It is referring to "third line free" promos and only to accounts opened on the 20th or later. This appears to be causing confusion.
  • The promo seems to be showing on accounts as line on us 3 (double if you already had it). It's a known issue and being worked on. Will not affect eligibility.

Offer now available. Some reps are not yet aware of the promo's existence, so please be patient with them. You can also add the line as normal online and the promo will automatically apply within a bill cycle.

Ineligible stackable promos:
  • iPhone 12 "on us" (2020 Apple Trade Activate P3)
  • BOGO iPhone (2020 Apple Buy 2 P11)
  • Free Galaxy A71 5G with new line (2020 Samsung Activate P12)
  • Free OnePlus 8/8T+ 5G with new line (2020 OnePlus Activate P5)
  • Costco BYOD promos
  • TFB-exclusive promos

(PS: check this post here https://www.reddit.com/r/tmobile/..._your_soc/ to get a Chrome or Firefox extension that will make finding your SOC easy, or see the guide here https://reddit.com/r/tmobile/comm...soc_codes/ to find it manually)

Disclaimer: This is info based on leaked documents, and is subject to change. Any noticed changes will be added to this post when learned.

https://t-mobile.com
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Free

Community Wiki

Last Edited by HurricaneAlley January 6, 2021 at 09:05 PM
DEAD
Promotion ENDED 12/31/2020
DEAD

Free Line CAN be stacked with these New Line offers
1) iPhone SE 50% off
2) REVVL 50% off
3) Pixel 4a 5G 50% off
4) Costco Free A11 + $100 for new Lines ( NOT BYOD)

(Not 100% if works, but not listed on Ineligible list)
5) S20FE BOGO Free
6) Samsung BOGO $1000 off or Costco $810 off


20% Hookup codes:

EMPFNBM = Tmo 1 for older plans
NTMEMP20= New TMO Insider Voice 20% for Magenta

-----------------------------------------------------
PSA: COSTCO BYOD IS NOT STACKABLE!
They specifically call this out in the docs this time.

-----------------------------------------------------
Browser extensions to find your SOC easier
Chrome: https://chrome.google.com/webstor...ldjhocmmpl
Firefox: https://addons.mozilla.org/en-US/...mo-helper/

-----------------------------------------------------
t-mobile soc:
1. How to find:
https://www.reddit.com/r/tmobile/...soc_codes/
2. List of soc codes:
https://docs.google.com/spreadshe...1340439917


If your promo isn't working under your account properly try this (worked for me):
https://slickdeals.net/forums/showpost.php?p=143239985&postcount=899


Still on TMO ONE All In Promo plan (FRLTUL2LP) which is never eligible for free lines?

This is a great (grandfathered) plan as it gives you 2 lines for $100 or $80 after 2GB data limit kickback on the 2 lines (or even less if you have the plan with T-Mobile employee hookup code). Plus with the additional promotion you get HD streaming, 10GB full speed hotspot and twice the international data speed (256kbs instead of 128kbs).

BUT... this account only supports 3 lines and unless you got the one free line they offered once under this plan you never got and will never get a free line with the plan.

But if the plan works out for you can move to another T-Mobile One plan (FRLTULF2) which cost a little bit more (2 lines for $120 or $100 after kickbacks) but you will be eligible for the free line and hopefully for additional free lines in the future (the plan supports up to 8 lines in total). The reps are also be able to move the kickback and ONE Plus promotion to the new plan. They might not do it immediately for the new free line but this is also possible and might need another try.
Plus the new plan includes $10.99 Netflix Standard HD account contribution which also needs to be factored in as a bonus.

If you want to get out of that hole and make the change here is my conversation regarding the plan change with T-Force on Twitter:
https://slickdeals.net/f/14713250-t-mobile-customers-add-a-line-for-free-starting-december-20th?p=144023981#post144023981

Then I called 611 at night and asked the overseas team to also add the promo add-ons to new free line so that all lines on the account have the ONE Plus promo (no kickback on the free line of course):
https://slickdeals.net/f/14713250-t-mobile-customers-add-a-line-for-free-starting-december-20th?p=144031265#post144031265

Summary of the process and overview of changes:
https://slickdeals.net/f/14713250-t-mobile-customers-add-a-line-for-free-starting-december-20th?p=144039584#post144039584

As I wrote it needs some time and the right reps to make it happen as I struggled with reps in the past to switch to a different T-Mobile One plan and not ending up with a Magenta plan and losing the kickback and One Plus promotion.
Good luck!

-----------------------------------------------------
Regarding costs to add new line

If you add the line via the website, youll pay $10 for the SIM card to be shipped to you.
If you add the line via a phone call, youll pay the $10 SIM card charge and also $20 for assisted set-up. It is relatively easy to get both of these comped.
If you have a spare sim-card or eSIM, you can use that instead of paying $10 for a new one (bear in mind that it may not be able to do SA 5G). You will need to call since the website does not allow re-use of old cards. (You can also do this via online chat support lines like in-app chat and t-force on twitter)
Expired cards do work, but you have to request a replacement. Again, no SA 5G.
If you have a Costco near you, they will give you the sim card and activate for you for free. You also may get the YMMV $100 cash card (but so far the jury is out if it actually will go through)


-----------------------------------------------------------
This post can be edited by most users to provide up-to-date information about developments of this thread based on user responses, and user findings. Feel free to add, change or remove information shown here as it becomes available. This includes new coupons, rebates, ideas, thread summary, and similar items.



Once a Thread Wiki is added to a thread, "Create Wiki" button will disappear. If you would like to learn more about Thread Wiki feature, click here.
Questions & Answers BETA
goto3511 asked this question on 12-19-2020 at 07:11 PM
12-20-2020 at 08:09 AM
Most of the time, Senior plan, First Response and Military Plan always excluded.
12-20-2020 at 10:00 AM
Just worked for me on my military plan.
12-20-2020 at 10:11 AM
My agent told me my military plan is not qualified.
12-20-2020 at 05:26 PM
T-Mobile ONE Military plan here, not eligible for this promotion according to the dude on the 611 line
12-21-2020 at 08:37 AM
Military plans all have different SOCs. Please refer to the instructions above to determine that.
Karkos asked this question on 12-19-2020 at 02:52 PM
12-19-2020 at 03:46 PM
There's no catch, once they have you signed up with a bunch of free numbers though it'll make it very hard to leave them.
12-19-2020 at 07:19 PM
The only catch is if you don't have a Taxes Included plan. You would then pay taxes on the new line.
12-20-2020 at 10:52 AM
This will also be a win for T-Mobile because from a marketing and advertising standpoint they can say that they’ve added “x” number of lines for the past quarter/year.
Joelioli asked this question on 12-19-2020 at 07:48 PM
12-19-2020 at 08:19 PM
Generally after 1 year you can. You would still have to likely maintain 2 lines to keep the free line.
12-21-2020 at 09:49 AM
How to know which line is a free line?
12-23-2020 at 04:23 AM
I removed a paid line in May. Added a free line in June or so. Also removed a paid line 2 days ago and added a free line several hours later the same day. I’m still waiting to see if this particular promo will show up on my account.
chils asked this question on 12-19-2020 at 08:06 PM
12-20-2020 at 09:40 AM
Most likely not since it wasn't last time. I had to switch to MAGENTA2 to get it.
12-21-2020 at 09:23 AM
I was told by the chat rep that Magenta Amplified plan customers are eligible for this promo as well. Try again and post your finding.
12-22-2020 at 11:34 AM
I'm on MGAMP2 and was told by chat rep that it's not eligible.
paullu95 asked this question on 12-19-2020 at 05:08 PM
12-20-2020 at 07:24 AM
I just did an on-line chat with T-Mobile and was told that the Magenta 55+ plans are limited to 2 lines and therefore are not included in the free line promotion. If anyone gets a different answer, please post!
12-20-2020 at 10:14 AM
Agent said regular magenta and magenta plus are qualified.
DealJugaad asked this question on 12-19-2020 at 03:54 PM
12-20-2020 at 07:16 AM
Eligible SOC list: https://i.imgur.com/LZegl3r.jpg

4,220 Comments

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This comment has been rated as unhelpful by Slickdeals users
Joined Aug 2019
L3: Novice
205 Posts
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#2461
Quote from ubiytza :
Ok, so there is a $30 cost associated with it - maybe good to update the thread. Could not find a single comment about it. Thank you!!

So i need to take a trip to a local tmobile shop to get that new SIM. any advice on verbiage i can use to have credit said fees?
If you have an old, unused TMO SIM card you can also use that and add the line to it. Then they don't charge you for a new SIM card.
I had trashed old SIM cards previously. Best practice is now to keep them somewhere as they might become handy in the future (more free lines).
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Joined Jul 2007
L8: Grand Teacher
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#2462
ordered online on 12/20. paid $10 for sim card. Sim shipped out today. promotion is applied to my acct
$40 2020 Line on Us 3 (Additional Lines)

Bill stays the same. $0 next to my new line.
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Joined Feb 2014
L2: Beginner
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#2463
I agree ,the front page should have which phone is eligible to stack with this promo . Are we definite that the pixel 4a 5g and the iPhone se works with this promo ?
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Joined Nov 2014
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#2464
Quote from GreenCreature437 :
If you have an old, unused TMO SIM card you can also use that and add the line to it. Then they don't charge you for a new SIM card.
I had trashed old SIM cards previously. Best practice is now to keep them somewhere as they might become handy in the future (more free lines).
Also, if your old unactivated t-mobile sims are "expired" (they have expiration dates on them), you can get them replaced for free from t-mobile. I threw a lot of expired sims out before learning that.
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Joined Dec 2003
L10: Grand Master
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#2465
Quote from rballnut :
I'm starting to think there will be a lot of hassle to get this corrected (as always when adding something to the account). In the past when the promo is applied correctly it usually appears instantly on my account.

Someone has mentioned before that LOU4 kicks off LOU3. I'm starting to wonder if the Nov line is no longer free and that's why the reps keeps telling me the credit is applied to the new line, but my total went up by $30.

No one has seen LOU4 on their details yet; Everyone is seeing LOU3x2 if you did Nov promo also. So not sure why someone would said LOU4 will kick off LOU3 !


It took 12+ hrs for 2nd line and LOU3 to show up on my account, so wasn't instant. Maybe because I added myself via TMo web online, rather than a live person this time..
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Joined Jun 2013
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#2466
Hello, sorry if this has been asked and answered before, but I went through the entire thread and did not see anything.

I am currently on the 55+ for about 3 years now. I understand this plan wouldn't qualify, however, is it worth upgrading to one of the 3 main plans for 120 in order to get this? Id like to have 4 lines instead of the two. My wife can use one for her consulting and I could use one for Craigslist and other bs. I saw there were 4 deals this year alone. Would I have had 6 lines at this point? I could port in my kids at that point, but it would only be worth it for us and the four of them. I know this is more of a preference thing, thank you in advance for any insight.
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Joined Dec 2007
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#2467
Quote from bmadrid79 :
More like $13 a month with taxes and fees, which over time adds up and cuts into my budget. I wouldn't say I'm crying about it, but just trying to see how I can maximize my savings, that's all. Thought you could've shared some of your knowledge, but I apologize for the inconvenience that my post has caused you. Happy holidays, nonetheless.
No issues, I was just curious. I'm happy to trade my account with you 2.5gb for $130/8lines with your 6 lines/unl data..
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#2468
Quote from o4s :
if you are not in hurry, you can do it online yourself and save $20 or talk to a rep and ask him it waive the fees.
How can we do it online ourself? Thanks
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#2469
Quote from InFor3 :
Also, if your old unactivated t-mobile sims are "expired" (they have expiration dates on them), you can get them replaced for free from t-mobile. I threw a lot of expired sims out before learning that.
Can you get replacement from the store? Thanks
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#2470
Quote from lou2004 :
ordered online on 12/20. paid $10 for sim card. Sim shipped out today. promotion is applied to my acct
$40 2020 Line on Us 3 (Additional Lines)

Bill stays the same. $0 next to my new line.
Mine is a bit different.

For LOU3 (11/25), the break down was as following

$20 2020 LOU3 (Additional Lines)
$5 AutoPay Discount (Additional Lines)

For LOU4 (12/20), the break down is

$45 2020 LOU3 (Additional Lines).

Comments:

1) Promo stacks on top of LOU3 instead of LOU4
2) It doesn't break down AutoPay discount separately. It lumps the entire cost of $25 as discount on top of LOU3.

Not sure if others have seen this as well. Thx
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#2471
Quote from InFor3 :
Also, if your old unactivated t-mobile sims are "expired" (they have expiration dates on them), you can get them replaced for free from t-mobile. I threw a lot of expired sims out before learning that.
free replacement from store or online?
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#2472
Quote from gsv7 :
How can we do it online ourself? Thanks
First you can definitely talk to the rep to waive the fee, but if that does not work, simply login to your account, go on accounts tab and click add a person or line to your account. It will show the sim card charge of 10 dollars and the monthly cost for line, but ignore the monthly cost as it will be eventually show up as discount on your account once the sim card ships.
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#2473
Quote from GreenCreature437 :
Wow, that worked. I called 611 and spoke nicely with the overseas account team. I said I have a problem with my account since I added a new line. I don't like inconsistencies and the new line doesn't have all the add-ons that the other 2 lines have. The rep needed some time to check but was able to add Scam ID and One Plus Promo to the new line. I didn't ask for kickback as it doesn't make sense on a free line.

Thanks also @starcaptor. Glad I could add the One Plus Promo to the free line. Smilie
thanks for the Heads up I'll try calling tonight and get the hotspot added.
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Joined Jul 2007
L8: Grand Teacher
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#2474
Quote from kenpet :
Mine is a bit different.

For LOU3 (11/25), the break down was as following

$20 2020 LOU3 (Additional Lines)
$5 AutoPay Discount (Additional Lines)

For LOU4 (12/20), the break down is

$45 2020 LOU3 (Additional Lines).

Comments:

1) Promo stacks on top of LOU3 instead of LOU4
2) It doesn't break down AutoPay discount separately. It lumps the entire cost of $25 as discount on top of LOU3.

Not sure if others have seen this as well. Thx
its all depends on how much u pay for each additional line. in my case its $20. so $40 is correct for me ($20x2)
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Joined Oct 2019
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#2475
Quote from gsv7 :
How do you add the line yourself?
You just go into your account and add a new line. There will be NOTHING shown about it being a free line or promo credits. Cost will be $10 for new SIM, and will show your plan's normal rate for a new line as expected monthly cost. If your plan is one of the qualifying ones, you'll get a text confirming the promo AFTER the SIM actually ships. It will also reflect on your account at that point as well. It took about 30 hours for mine to show up as described with the text, shipment notification, and account page updates.
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