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Jman100 968K Views
Dec 19, 2020 7:55 PM

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

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Deal Details
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.

Editor's Notes

Written by StrawMan86 | Staff
Please refer to the forum thread for additional details and discussion. -StrawMan86

Original Post

Written by Jman100
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
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.

Editor's Notes

Written by StrawMan86 | Staff
Please refer to the forum thread for additional details and discussion. -StrawMan86

Original Post

Written by Jman100

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4.2K Comments

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Dec 26, 2020 11:22 PM
4.5K Comments
Joined Dec 2008
GulllyBoYDec 26, 2020 11:22 PM
4.5K Comments
Quote from JohnnyPants View quoted comment :
This worked perfectly. My account has shown the discount since the beginning, but like everyone, doubled up on Line on Us 3. This shows them both with the separate numbers.
Will thos work for magenta only or it will work on Tmobile pne plan too?
Dec 26, 2020 11:22 PM
7.5K Comments
Joined Jul 2007
lou2004Dec 26, 2020 11:22 PM
7.5K Comments
Quote from s2000gtx View quoted comment :
What rebate is this ??
https://slickdeals.net/f/14431031-amazon-100-unlocked-cell-phone-stack-promotion-0-01?v=1

I'm using T-mobile sim and Visible sim on E6s. Its a dual sim phone.
Last edited by lou2004 December 26, 2020 at 03:24 PM.
Dec 26, 2020 11:22 PM
539 Comments
Joined Feb 2013
Slammed01Dec 26, 2020 11:22 PM
539 Comments
I opened and setup account in sept with 2 lines and 3rd free.

Added a 4th line on this deal and I show the below with LOU2 and LOU3...no 4.

Applied discounts and promotions:
$10.00 AutoPay Discount
$28.00 New TMO Insider Voice 20%
$30.00 2020 Line On Us 2
$10.00 AutoPay Discount (Additional Lines)
$30.00 2020 Line on Us 3 (Additional Lines)
$6.00 New TMO Insider Voice 20% (Additional Lines)
Dec 26, 2020 11:23 PM
4.5K Comments
Joined Dec 2008
GulllyBoYDec 26, 2020 11:23 PM
4.5K Comments
Quote from Blitz64 View quoted comment :
What plan are you on and how did you add the free line? Did you buy a phone?
Tmobile one plan, addred through Rep on tmobilr app. No phone.
Dec 26, 2020 11:25 PM
4.5K Comments
Joined Dec 2008
GulllyBoYDec 26, 2020 11:25 PM
4.5K Comments
Quote from Slammed01 View quoted comment :
I opened and setup account in sept with 2 lines and 3rd free.

Added a 4th line on this deal and I show the below with LOU2 and LOU3...no 4.

Applied discounts and promotions:
$10.00 AutoPay Discount
$28.00 New TMO Insider Voice 20%
$30.00 2020 Line On Us 2
$10.00 AutoPay Discount (Additional Lines)
$30.00 2020 Line on Us 3 (Additional Lines)
$6.00 New TMO Insider Voice 20% (Additional Lines)
Yes sir welcome to PITA. Many have same issue.
Dec 26, 2020 11:27 PM
226 Comments
Joined Feb 2016
vkerryDec 26, 2020 11:27 PM
226 Comments
Quote from s2000gtx View quoted comment :
What rebate is this ??
Might be cutting it too close as you need to receive the SIM from Amazon and activate on or before 12/31
Dec 26, 2020 11:33 PM
1.2K Comments
Joined Sep 2005
Rippa_MDDec 26, 2020 11:33 PM
1.2K Comments
How long does the Free line needs to stay on the plan to later remove one of the paid lines?

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Dec 26, 2020 11:36 PM
4.5K Comments
Joined Dec 2008
GulllyBoYDec 26, 2020 11:36 PM
4.5K Comments
Quote from Blitz64 View quoted comment :
Someone on Reddit posted how to make line on us 4 show up

" On the app(iOS) click "add ons" beside main line, that takes you to "plan details" page and click your plan, scroll all the way to bottom to "manage my plan" then click select under magenta plan, then click "add ons" and it will show your LOU that you'd lose if you switched plans."
Can u please advise how to do it on android app or browser side. I got One plan.
Dec 26, 2020 11:36 PM
7.5K Comments
Joined Jul 2007
lou2004Dec 26, 2020 11:36 PM
7.5K Comments
Quote from vkerry View quoted comment :
Might be cutting it too close as you need to receive the SIM from Amazon and activate on or before 12/31
I just place another order. delivery 12/29. I should make it.
Dec 26, 2020 11:55 PM
487 Comments
Joined Nov 2009
Blitz64Dec 26, 2020 11:55 PM
487 Comments
Quote from Fiunk View quoted comment :
What do you mean when you say, I don't qualify?
Existing TMobile IMEI submission won't go through?
The promotion trade in iPhone XS for $830 does not stack with the free line. You will get your $830 and lose the free line. You will have a paid line paying $20 a month.
Dec 27, 2020 12:17 AM
4.7K Comments
Joined Dec 2010
needgeechDec 27, 2020 12:17 AM
4.7K Comments
Quote from Blitz64 View quoted comment :
Someone on Reddit posted how to make line on us 4 show up

" On the app(iOS) click "add ons" beside main line, that takes you to "plan details" page and click your plan, scroll all the way to bottom to "manage my plan" then click select under magenta plan, then click "add ons" and it will show your LOU that you'd lose if you switched plans."
Quote from gotojanoo View quoted comment :
Will thos work for magenta only or it will work on Tmobile pne plan too?
Nice info! Someone had mentioned here a couple of days ago about changing amount of data on grandfathered non unlimited plans to get LOU4 to show up, but that wasn't really applicable as I'm on Magenta.

This works same way on TMO website from a PC as well. I select Magenta Plus (as I already have Magenta). . .and get same end results as you "you will lose" 2020 LOU 2,3,4, 3rd LOU. . .and interestingly also Insider Hookup. Hopefully that's not the case if I ever want to upgrade to Plus.

But if instead at the end you click on the "add on's" after selecting whatever would be an upgrade for you (for me it "Select Magenta Plus" then "add on's -$100"). . .it will show the upgrade in a more positive light. . .as the only thing it says you lose is Magenta (and are adding free Free Plus Up Data, i.e. Magenta Plus) and shows the lines will still be $0 with notation under the corresponding phone #'s the 2020 Line on Us 3 and 2020 Line on Us 4. No mention of Insider hookup either way with my end method.
I know, pretty much the same either method. . .I just don't like to see that hypothetical monthly increase of $196 lol with the first method.

Anyways I'm saving screenshots of both JIC.
Last edited by needgeech December 26, 2020 at 04:29 PM.
Dec 27, 2020 12:26 AM
152 Comments
Joined Dec 2013
Kogunti96Dec 27, 2020 12:26 AM
152 Comments
Quote from Rippa_MD View quoted comment :
How long does the Free line needs to stay on the plan to later remove one of the paid lines?
Un Ano
Dec 27, 2020 12:31 AM
101 Comments
Joined Dec 2008
pandastyleDec 27, 2020 12:31 AM
101 Comments
My mother has AT&T, and I want to port her into my plan. Does she need to be present during time of port-in if I have all her information?
Dec 27, 2020 12:43 AM
3.3K Comments
Joined Jan 2007
waterchangeDec 27, 2020 12:43 AM
3.3K Comments
Quote from SEKI19 View quoted comment :
I need a decent phone to use with this free line. Was looking at the Moto G Fast from Best Buy for $129. Anything better or cheaper out there?

This phone is going to get very little use. It's pretty much going to be a spare phone that my daughter can use to watch Netflix on an occasional road trip.

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Dec 27, 2020 1:01 AM
4.7K Comments
Joined Dec 2010
needgeechDec 27, 2020 1:01 AM
4.7K Comments
Quote from pandastyle View quoted comment :
My mother has AT&T, and I want to port her into my plan. Does she need to be present during time of port-in if I have all her information?
She can stay put. You only need her ATT phone #, account #, and account pin. Unless you're going into Costco for phone deal, I would just do it with TMO chat or T-Force messenger. Even if you are going into Costco (unless for a port in deal) you can just activate the line, and port in through TMO chat etc. after you get home.

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