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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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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.



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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
206 Posts
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#2416
Quote from gunnayn :
Check profile settings again. I woke up and and HD Video is now showing as an option.
Can confirm it, too. It showed now also up on my free line over night. Plus the additional international data package options which weren't visible while line changes were still pending. Love it. 😃
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Joined Nov 2010
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#2417
Quote from rampen :
Not sure...why they are getting into all that...all you have ask them is to add a line...nothing else...
Finally got it with help of T Force help.
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Joined Sep 2003
Stop the charge!
2,315 Posts
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#2418
Quote from GreenCreature437 :
I don't know. That's why I made sure they didn't convert me to a Magenta plan but stayed within the One family not to lose those promotions.
One Plus Promo was a PR punch in the face to VZ who back in early 2017 did not (yet) tier their plan offerings by streaming video type, so TMO has to match it by also giving HD video for free as an add-on. This is the One Plus Promo.

They lowered the price of "actual" One Plus to $5 in mid 2017, then raised it back to $10, and finally made it $15 again in subsequent quarters.

When One was remade into Magenta, TMO has not had to have such a stunt done to match competitors, so it doesnt have this benefit.
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L7: Teacher
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#2419
Done is done, time will tell what happens. But my $0.02 would be that DO NOT CANCEL line, as that would get messy with future promotions/free lines added in the past. If it feels better, don't submit the Costco $100 rebate. Let us know, how it works out.

In my opinion, and not trying to scare you; but if these promos are indeed non-stackable, then most likely it would work like other non-stackable promos i.e. other promo would take precedence and free line promo would fall off the account.

Lastly, I am a Costco member, did BYOD & free line deal in NOV at Costco; but this time decided not to do at Costco for two reasons 1. Although everyone including TM agents confirmed that it's 2020 Line on Us 4, none of us can see that in the account, everyone is seeing doubling promo value of Us 3, so no one really knows, what will happen, once bills started generating; 2. I trust OP than rookie TM agent, because the deal was posted here in advance, and even on the deal start date, most of the TM agents were turning down the people, saying you don't qualify because you added in Nov.

Quote from nyforever :
So I asked twice and both times T-Force confirmed the Costco BYOD $100 works... but I don't trust them (it's crazy how I trust "random" Slickdealers vs T-Mobile recognized employees!). See attached for the screenshot.
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Last edited by PoLusImo December 22, 2020 at 06:47 AM.
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Joined Aug 2019
L3: Novice
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#2420
Quote from starcaptor :
One Plus Promo was a PR punch in the face to VZ who back in early 2017 did not (yet) tier their plan offerings by streaming video type, so TMO has to match it by also giving HD video for free as an add-on. This is the One Plus Promo.

They lowered the price of "actual" One Plus to $5 in mid 2017, then raised it back to $10, and finally made it $15 again in subsequent quarters.

When One was remade into Magenta, TMO has not had to have such a stunt done to match competitors, so it doesnt have this benefit.
Whatever. I don't care and have never paid for the full One Plus add-on. I just don't want to lose the promo on my account. 😃
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Joined Feb 2008
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#2421
The last time I went in store to add the free new line, they charged me an activation of $30 for a SIM card. Does this sound right, or did I get scammed?
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#2422
Quote from konigswagger :
The last time I went in store to add the free new line, they charged me an activation of $30 for a SIM card. Does this sound right, or did I get scammed?
Yes. Correct. Unless the waive the fee. If you have an old TMO SIM card they can use that and don't have to provide you a new SIM card and it might be free.
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Joined Apr 2004
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#2423
Quote from konigswagger :
The last time I went in store to add the free new line, they charged me an activation of $30 for a SIM card. Does this sound right, or did I get scammed?
They can wave the $20 assistance fee, but rarely do in person. The SIM card is always $10.

So yes, that's correct.
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#2424
Quote from konigswagger :
The last time I went in store to add the free new line, they charged me an activation of $30 for a SIM card. Does this sound right, or did I get scammed?
normal, it's $10 sim card fee and $20 support fee I forgot the real name.
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Joined Aug 2019
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#2425
Before I ask Tforce if anyone knows let me know.

Can Tforce switch numbers between the lines? I would like to move my wife's number to the new free line (as this doesn't have kickback) and the new number to her current line.
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#2426
Quote from starcaptor :
One Plus Promo was a PR punch in the face to VZ who back in early 2017 did not (yet) tier their plan offerings by streaming video type, so TMO has to match it by also giving HD video for free as an add-on. This is the One Plus Promo.

They lowered the price of "actual" One Plus to $5 in mid 2017, then raised it back to $10, and finally made it $15 again in subsequent quarters.

When One was remade into Magenta, TMO has not had to have such a stunt done to match competitors, so it doesnt have this benefit.

I had One Plus Promo back in the days and got removed somehow in 2018. I just asked a rep to see if it can be added back, he said there's no way for him to do so. The system wont let him since it was grandfathered in promo....
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Joined Jan 2008
L9: Master
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#2427
Quote from indeo :
Just got back from Costco .... and Costco is giving $100 shop card with this exact promo. I just added a line at Costco.

He said you can also stack this up with iphone SE 50% off deal (not on restricted promo list).

Good Luck!
Yes, I was offered the exact same thing. I just took the $100 rebate offer (BYOD) !
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Joined Jan 2015
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#2428
I called in and added this free line. The promotion shows up in the following manner.

The cost of a line for my acct is $25

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 discount on top of LOU3.

Is this what others have observed? Has anyone seen LOU4 after a day or two? Thanks
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Joined Apr 2014
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#2429
Quote from GreenCreature437 :
Can confirm it, too. It showed now also up on my free line over night. Plus the additional international data package options which weren't visible while line changes were still pending. Love it. 😃
Great. At this rate, T-Mobile has trapped me. I'm not going anywhere.
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Joined Sep 2005
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#2430
Quote from rballnut :
I had One Plus Promo back in the days and got removed somehow in 2018. I just asked a rep to see if it can be added back, he said there's no way for him to do so. The system wont let him since it was grandfathered in promo....
Lies.. every rep will fibe different answer
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