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

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+286 Deal Score
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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 (via monthly bill credits).

Thanks to community member coolchicagoguy 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 (thanks to Reddit user Jman100_JCMP; see instructions below on how to find your SOC code).
      • SOC (Service Order Code) is 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 "2021 Line On Us P6".
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?
  • Can be combined with device offers on the same line.
  • Costco & T-Mobile rebate promos are NOT stackable with the free line.

Original Post

Written by
Edited March 16, 2021 at 01:27 PM by
Free line requires 2+ existing lines. New customers or existing customers with one line have different requirements. Does NOT stack with Costco or T-Mobile rebates.

https://www.reddit.com/r/tmobile/...free_line/

From Reddit:
Customers on an eligible plan (list below) with 2 or more paid voice lines can add another voice line for free via monthly bill credits. Business plans are included. Customers must not already be at their rate plan's maximum number of lines. Business customers must have less than 12 lines to qualify.

You must maintain all the lines you have now + the free one for 12 months to keep the free line credits. After that, you must maintain at least 2 paid lines + this free line to keep the bill credits.

This promo will actively take priority over the current Third Line Free promo. This means new accounts adding 3 lines or existing accounts with 1 line adding 2 lines will receive this promo, not third line free, meaning they will not stack unless you already had third line free to begin with.

The free line stacks with phone promos currently available, as well as Carrier Freedom/Keep and Switch/Zero Cost to Switch. It does not stack with Costco or T-Mobile rebate promos.

BOGO for T-Mobile ends 3/16 - https://slickdeals.net/f/14878039-t-mobile-2021-buy-one-get-one-voice-add-a-line-for-existing-customers-ymmw

20% Hookup - https://www.reddit.com/r/tmobile/..._17th_for/ - This is YMMV for targeted Home Internet & Connected Device customers.

From Reddit:
Starting March 17th the Insider Hookup will return for existing T-Mobile customers that have Home Internet or Connected Devices with no voice lines.

This promo will allow you to port in from your existing carrier and get 20% off all voice lines for the lifetime of the account.

To clarify: The only people eligible for this upcoming Insider Hookup are Existing T-Mobile customers that do NOT already have voice lines at all. You must have Home Internet from T-Mobile or a connected device like a tablet or hotspot, but you can not already have voice lines.

QA note: YMMV https://www.t-mobile.com/offers/deals-hub
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Community Wiki

Last Edited by Jman100 March 23, 2021 at 08:46 AM
TODAY IS THE LAST DAY FOR THIS PROMO AS WELL AS THE IPHONE PROMOS.
If you are using a phone promo on the free line that requires a port in, you MUST complete the port in by end of day TODAY, March 23rd.

--------

T-Mobile has updated the SOC list again to revert it back to an earlier version. It now includes more SOCs. The SOC image in the main post has been updated. -- Jman100

--------

To find your SOC code for your rate plan, you can call CS 611 and ask, or figure it out yourself:
  1. Install the Chrome extension: https://chrome.google.com/webstor...ldjhocmmpl
  2. Add the Firefox extension: https://addons.mozilla.org/en-US/...mo-helper/
  3. Go old school and sift through the web code: https://www.reddit.com/r/tmobile/...soc_codes/
Maximum (Voice) Lines per SOC code:
SCFUTTBD: 10 lines

-------
Quote from ouloat :
For anyone looking to buy a iPhone 8 for the trade-in requirement for Tmobile's iPhone 12, the following are the different sources ranked from best to worst. Keep in mind the phone carrier doesn't matter for the trade-in, so it can be unlocked, AT&T, Verizon, T-mobile, anything. Phone must not have water damage, cracked screen, anything that could be perceived as a cracked screen, password lock, or icloud lock. Small dents, scratches, screen burn, and weak batteries are okay.

Trademore - iPhone 8 starting at $159 [trademore.com]
Folks in the Cricket iPhone SE thread been trading their iPhone SE's for $200 Paypal from Trademore, so we know they are legit. They are also the trade-in inspector one of the cell carriers (Verizon or AT&T), so doubt they will sell anything that doesn't pass inspection. They will probably be your safest bet to acquire a good quality trade-in. Shipping is included in the price.

Swappa - iPhone 8 starting at $158 [swappa.com]
Swappa's policy is no junk, so you are covered if you receive something you can't trade in. That said, since everyone is a third party, you get a wide variety of prices and conditions. I have received cracked screens before, but the seller took it back immediately. Still, this may cause you to lose this Tmobile promotion. Shipping is included in the price.

Local (Craigslist, Offerup, etc)
Your experience will vary, and the onus is on you to validate the phone is ready for trade-in. You might score with a great deal, or you might get ripped off. Only go this route if you know how to inspect phones or you need the phone the same day.

eBay [ebay.com]
You will have to read each listing very carefully, since there are listings for cracked, water damaged, icloud locked, or otherwise untradeable phones. Returns policies also vary by seller. Unless you score an amazing deal on ebay, Trademore or Swappa are safer options.

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Featured Comments

If you remove any paid lines within the first year, the free line loses the promo and becomes paid.

TMO doesn't want people doing what you're wanting to do.

To accomplish it, you would need to:

1. Add free line.
2. Wait a year + one day.
3. Port out paid line to another carrier.
4. Keep paid line active on another carrier for 90 days (to preserve number).
5. Port old number back in on free line.

This whole process has taken you 1.25 years. Peace
My port-in was initiated during T439 promo period and completed today outside of the promo period. Without the port in (with only the added line and traded-in) I was on a bad promo. Once the port-in completed today, the system auto updated to T439 promo in my account --> promotions. Therefore, I don't think it was a requirement the port-ins must be completed by 3/24 EOB, just as long as they are initiated.
YES, you can use this sim in your iPad. I pay for 2 lines and have 3 free lines on promotion (5 lines total)
I have 2 of my free lines in a iPad and a Samsung S4 tablet, with UNLIMITED data.
You have to call them and tell them you want to use the line (promo line) in a tablet but don't want to lose the promotion and you don't want to open a new line for this.
What they did for me, was block the phone service on the line and kept the messaging and data. That way I am able to use it in my tablet.
Every summer my daughter comes and visit from Germany. I take one of the sim card out of my tablet and put it in her phone..
I call T-Mobile and have them unblock the phone service. That way, my daughter has a phone while she is here in country.
When she leaves I call them back and get it blocked again. I have been doing this for close to 5 years. So I know for a fact it works.
Tomorrow I will be calling to try and get another free line.. (Fingers Crossed)
Hope this helps

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> bubble2 621 Posts
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envy270
03-18-2021 at 03:47 PM.
03-18-2021 at 03:47 PM.
Deleted --------
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Last edited by envy270 March 18, 2021 at 03:59 PM.
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> bubble2 819 Posts
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chrissmith
03-18-2021 at 03:51 PM.
03-18-2021 at 03:51 PM.
Quote from shockx :
Impressive :-)
Need advice from you guys who are in 9-12 lines club. My situation:
Magenta1.0 (MAGENTA2) with 20% hookup, 8 lines:
Lines 1, 2: paid
Line 3: free, 2020 3rd line on us 3
Line 4: free, 2020 Line On Us 2
Lines 5, 6: paid, costco $300 byod deal
Line 7: paid, costco samsung bogo deal
Line 8: paid, costco iphone se deal

As of now, total is $160 ($96+4x$16). I tried to see what TMO would offer if I add a 9th line through my account. It offers me $30x9=$270 Magenta plan, not sure if MAGENTA9 or MGNTA9. Did not take it, lol.

My question: if I change to 9-12 line Magenta plan through chat or TF and manage to keep 20% hookup discount and 2 current free lines, and get new free line, what my new total may look like? Just a rough estimate would be fine (or PM would be appreciated). Thanks!
For 9-12 lines, it will be $310 for 9 lines without autopay + $30 for additional lines. You have 2 free lines now, and will have the 9th line free.
So for 9 lines (9th line free) it should be:
$310 - $40 (autopay discount) - $54 (Hook up Insider discount) - $30 X 3 for free lines = $126.
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fxsts
03-18-2021 at 03:53 PM.
03-18-2021 at 03:53 PM.
Quote from envy270 :
Have: Cricket number for port in to T-Mobile
Want: $4 AGC

Checked on T-Mo if the number is eligible to trade in at https://www.t-mobile.com/resource...our-number

Please pm me if you are interested. TIA
It can be transferred, but would it be qualified for the port-in promotion?
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Last edited by fxsts March 18, 2021 at 04:04 PM.
Joined Oct 2014
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> bubble2 251 Posts
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pmike
03-18-2021 at 03:57 PM.
03-18-2021 at 03:57 PM.
Can someone let me know if it works this way?

I am planning to add a line at Costco to get $150. And then call T-Mobile to ask for making that line free. And also I would like to port friends Verizon number to this line and purchase iPhone 12 and trade iPhone 8 to receive $830 credit..

Please let me know if this can be done or risky???
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hvtran4
03-18-2021 at 03:59 PM.
03-18-2021 at 03:59 PM.
Quote from hysterias :
Anyone done the free line/ port / free iphone se online?

I did mine thru T-Mobile app chat. Will have to call in once phone is received to do port in .. The whole chat was smooth to add line and get iphone se
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envy270
03-18-2021 at 04:08 PM.
03-18-2021 at 04:08 PM.
Quote from fxsts :
It can be transferred, but would it be qualified for the port-in promotion?
I think it is qualified because the number is from competitor carrier. I another number from Ting-Verizon number for $4 AGC. Please pm me if you are interested. TIA
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Telemachus
03-18-2021 at 04:10 PM.
03-18-2021 at 04:10 PM.
Added the line at Costco and picked up an SE with the $180 off rebate. They also printed out a $100 rebate for adding a line.

Messaged T-force to see if they anticipate any problems with the 2021 Line on Us 6 promotion (which already shows up on my account) stacking with the $100 rebate. They already verified getting the SE with a rebate is no problem through Costco.
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Lakay77
03-18-2021 at 04:11 PM.
03-18-2021 at 04:11 PM.
Quote from envy270 :
Deleted --------
Is your number still available?
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scjhbg
03-18-2021 at 04:15 PM.
03-18-2021 at 04:15 PM.
Quote from chrissmith :
I did all transactions in-store - adding free line, port-in, and trade-in. Hence, all my promos were applied the same day including the message that my trade-in was complete.
Same here. The rep told me they have to mail it out and will take 3-4 bill cycle so start the credit. Apparently, it does apply to the account on the same day. She also wanted to charge me a $10 sim fee. I brought my own sim knowing I can save the iPhone sim for next time. Don't understand the logic of having to pay to activate the sim already on the phone.
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envy270
03-18-2021 at 04:17 PM.
03-18-2021 at 04:17 PM.
Quote from Lakay77 :
Is your number still available?
Yes, from Ting-Verizon
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daviddo13202
03-18-2021 at 04:22 PM.
03-18-2021 at 04:22 PM.
Need a number to port in for promotion. Please PM me.
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coli
03-18-2021 at 04:24 PM.
03-18-2021 at 04:24 PM.
Quote from KingUltra :
You will Not even care to Cancel anything if your Plan becomes close to this after adding your 9th Line Free. (3 paid, 6 free)
How in the world did you achieve this?
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Tho
03-18-2021 at 04:25 PM.
03-18-2021 at 04:25 PM.
Purchased an AT&T line to port for the SE deal - but my Costco did not have any SEs for me to link to EIP.

PM me if you want it at cost ($16)
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envy270
03-18-2021 at 04:26 PM.
03-18-2021 at 04:26 PM.
Quote from daviddo13202 :
Need a number to port in for promotion. Please PM me.
Sent you a PM
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ugabuga
03-18-2021 at 04:28 PM.
03-18-2021 at 04:28 PM.
Doing this at Costco right now.. once done now the waiting game to see if free line promo shows. Anyone see it on their account yet?
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