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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

Community Voting

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4.2K Comments

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Dec 24, 2020 9:37 PM
20 Comments
Joined Dec 2008
deal2seekDec 24, 2020 9:37 PM
20 Comments
I signed up a 5th line that was free in the summer and added an EIP device in the last promo. The line is not 100% free in that I need to pay ~$5/month tax and fees.

What/how does everybody use free lines? Is it possible to "lease" it to someone?
Dec 24, 2020 9:39 PM
1.2K Comments
Joined Aug 2016
taleefoonkaDec 24, 2020 9:39 PM
1.2K Comments
For those of you who already had 2020 Line 3 on Us from previews free line deals, did you get this current free line? Are there Two 2020 lines on 3 on us numbers on your plans? I see some of you who received a text from Tmobile saying they will no longer honor the free line because you're not eligible, what was the reason?
Dec 24, 2020 9:51 PM
369 Comments
Joined Nov 2006
mralexDec 24, 2020 9:51 PM
369 Comments
Quote from taleefoonka View quoted comment :
For those of you who already had 2020 Line 3 on Us from previews free line deals, did you get this current free line? Are there Two 2020 lines on 3 on us numbers on your plans? I see some of you who received a text from Tmobile saying they will no longer honor the free line because you're not eligible, what was the reason?
Yes, I think almost all of us see the LOU3 amount doubled instead of seeing a separate LOU4 credit.
Some reported receiving SMS about unenrolled promotion but it doesn't seems like it's widespread.
Someone on Reddit [reddit.com] explained it and said there was no need to worry. I don't quite get what he meant but seems like it's just some system error from T-Mobile.
Dec 24, 2020 9:53 PM
8.9K Comments
Joined Dec 2003
ChakkDayDec 24, 2020 9:53 PM
8.9K Comments
Quote from PurpleLanguage405 View quoted comment :
The detail of the free line promotion under each line can be found:
development tool -> manageaccount -> Network -> XHR -> Response -> lines -> 0: Object -> aal -> discounts -> 0: Object (namee: "2020 Line on us 3", code: "20Q43S", ....)

I had this.. and copied the line texts yesterday; today they have all disappeared from that section Smilie will look around the code to see could it be...

Edit: nm - it's back Smilie
Last edited by k000 December 24, 2020 at 01:58 PM.
Dec 24, 2020 10:14 PM
330 Comments
Joined May 2019
Not_JohnnybravoDec 24, 2020 10:14 PM
330 Comments
I have a PDF bill, and it shows LOU 3 twice as 2 separate line items.
Dec 24, 2020 10:19 PM
369 Comments
Joined Nov 2006
mralexDec 24, 2020 10:19 PM
369 Comments
Quote from angel5000 View quoted comment :
how much is the netflix price for 2 screens for people on One family plan? rep keeps saying the price i'm paying for Netflix 2 screens ($4 per month on Magenta) is cheaper than if I were to pay on One family plan. Trying to switch back to One plan based on Netflix argument...
I also had kick back on One plan but because we pretty much used over 20GB each month rep said we are not missing anything on kick back discount.
For ONE customers without ONE Plus, it'll be $3 for standard (2 screens) and $7 for premium starting Jan 15.
Dec 24, 2020 10:36 PM
1.2K Comments
Joined Aug 2016
taleefoonkaDec 24, 2020 10:36 PM
1.2K Comments
I need your advice please, This is my current promos and I'm worried this current free line deal might not work for me. based on what you see on my current promos, would you advice me to get this 2020 line on us 4? Remember it will not say Line on us 4, it will say Line on us 3 which I already had on my account. My plan is Magenta plus plan.

Applied discounts and promotions:
$40 AutoPay Discount
$72 New TMO Insider Voice 20%
$40 2020 3rd Line On Us 2
$40 2020 Essentials Line On Us 3
$40 2020 Line On Us 2
$40 2020 Line on Us 3
$40 2020 3rd Line On Us 3 (Additional Lines)
$16 New TMO Insider Voice 20% (Additional Lines)

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Dec 24, 2020 10:58 PM
1.3K Comments
Joined May 2006
riverDec 24, 2020 10:58 PM
1.3K Comments
Slightly OT question but how do your phone trade ins appear in the account before they're received/processed? The trade in promos show under each line as "enrolled" and the discount is already visible. But in "order status" there's nothing, so I actually had to call and ask them to email the free shipping labels. I have the USPS tracking #s so can track the shipments, but I thought we could follow the trade in progress in my account too. Also the free XR promo (from the same order) is still showing "pending in process" and no discount yet. So which one went right and which one went wrong?
Dec 24, 2020 11:01 PM
487 Comments
Joined Nov 2009
Blitz64Dec 24, 2020 11:01 PM
487 Comments
In November Thanksgiving week. I got both free iphone 12 and free line. I thought I got lucky since they should not stack.

Using the trick:
development tool -> manageaccount -> Network -> XHR -> Response -> lines -> 0: Object -> aal -> discounts -> 0

I finally figured out the promotion that was applied was "2020 3rd Line On Us 3" being applied to my 4th line. So it was a different promotion after all and I got lucky as a new customer (2 lines paid, 2 lines free).

Anyways, they have already closed this loophole starting Dec 20th so new customers no longer can stack "3rd line on us" and "line on us 3".
Last edited by Blitz64 December 24, 2020 at 03:05 PM.
Dec 24, 2020 11:18 PM
487 Comments
Joined Nov 2009
Blitz64Dec 24, 2020 11:18 PM
487 Comments
Quote from river View quoted comment :
Slightly OT question but how do your phone trade ins appear in the account before they're received/processed? The trade in promos show under each line as "enrolled" and the discount is already visible. But in "order status" there's nothing, so I actually had to call and ask them to email the free shipping labels. I have the USPS tracking #s so can track the shipments, but I thought we could follow the trade in progress in my account too. Also the free XR promo (from the same order) is still showing "pending in process" and no discount yet. So which one went right and which one went wrong?
Are you a new t-mobile customer?
I had the same issue and I'm a new customer who ordered the phones online at t-mobile.com
I also had to call customer support to get shipping labels.

Once I became a t-mobile customer, I went and ordered another phone. This time the new phones show up correctly in "order status".

All tradein device credits are showing up correctly. My trade in is due tomorrow 12/25 so I'm a bit afraid I might lose all my trade in credits 12/25. usps shows my tradeins are delivered 1 week ago.
Dec 24, 2020 11:28 PM
266 Comments
Joined Jan 2016
t4mDec 24, 2020 11:28 PM
266 Comments
Quote from taleefoonka View quoted comment :
I need your advice please, This is my current promos and I'm worried this current free line deal might not work for me. based on what you see on my current promos, would you advice me to get this 2020 line on us 4? Remember it will not say Line on us 4, it will say Line on us 3 which I already had on my account. My plan is Magenta plus plan.

Applied discounts and promotions:
$40 AutoPay Discount
$72 New TMO Insider Voice 20%
$40 2020 3rd Line On Us 2
$40 2020 Essentials Line On Us 3
$40 2020 Line On Us 2
$40 2020 Line on Us 3
$40 2020 3rd Line On Us 3 (Additional Lines)
$16 New TMO Insider Voice 20% (Additional Lines)
Boy look at the discounts. Is TMO paying you to stay with them πŸ˜‚πŸ˜‚πŸ˜‚.
Dec 24, 2020 11:42 PM
1.2K Comments
Joined Aug 2016
taleefoonkaDec 24, 2020 11:42 PM
1.2K Comments
Quote from t4m View quoted comment :
Boy look at the discounts. Is TMO paying you to stay with them πŸ˜‚πŸ˜‚πŸ˜‚.
Dude, I only have 5 free lines, Some members reported having 7-10 lines free Smilie
Dec 24, 2020 11:50 PM
266 Comments
Joined Jan 2016
t4mDec 24, 2020 11:50 PM
266 Comments
Quote from taleefoonka View quoted comment :
Dude, I only have 5 free lines, Some members reported having 7-10 lines free Smilie
πŸ˜€ Jokes aside, I am on magenta plus too and I see discount per line as $30 and yours is $40. Not sure why is that different.
Dec 24, 2020 11:54 PM
1.2K Comments
Joined Aug 2016
taleefoonkaDec 24, 2020 11:54 PM
1.2K Comments
Quote from t4m View quoted comment :
πŸ˜€ Jokes aside, I am on magenta plus too and I see discount per line as $30 and yours is $40. Not sure why is that different.
I think I have more lines than you, we might have Magenta plus but I do have the 12 line plan, which is different than the regular magenta plus plan, how many lines do you have?

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Dec 25, 2020 12:09 AM
4.5K Comments
Joined Dec 2008
GulllyBoYDec 25, 2020 12:09 AM
4.5K Comments
Just added free line with T-Mobile app text messages . but then got message about unenrolled promotion . Now I can not see my last month LOU3 . Also bill went up $30 . Rep says its glitch. it will be fine after 24 hours. hopefully Frown

This One's on Us (AAL)

2020 Line On Us

2020 Line On Us 2

Missing 2020 Line on Us 3 from here lol

2020 Line on Us 3 (Additional Lines)

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