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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.

Your comment cannot be blank.

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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GreenCreature437
03-18-2021 at 12:55 PM.
03-18-2021 at 12:55 PM.
Quote from tran1981 :
Thanks. What's the break down of the plan? 9/$270 w/$30 AAL? Do you have One Plus? What is the SOC for free One Plus? I wonder if I can get them.

One Plus Promo was a free line add-on for T-Mobile One plans. It doesn't exist on Magenta plans. If you have it on other lines some reps might add it for you but I might need some rep roulette.

The SOC is TM1PROMO

Again, this is not a plan but an add-on.
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GreenCreature437
03-18-2021 at 12:59 PM.
03-18-2021 at 12:59 PM.
Also a comment regarding all the Google Voice ports.

You can port in numbers from Google Voice without the problem to bring a number over.

But the Google Voice system is blacklisted for port-in promos.

So you won't have problems to port in your number from Google Voice but there is a risk that the device promo will drop within 2 billing cycles.

It might work or not. You will see.
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OKAYSD
03-18-2021 at 01:01 PM.
03-18-2021 at 01:01 PM.
edited nod
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Last edited by OKAYSD March 18, 2021 at 06:30 PM.
Joined Dec 2009
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hvtran4
03-18-2021 at 01:06 PM.
03-18-2021 at 01:06 PM.
Quote from orram :
search "verizon number port" on ebay and then sort by lowest to high.
Unfortunately, there is an eBay error with their payment system where we can't check out.
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orram
03-18-2021 at 01:10 PM.
03-18-2021 at 01:10 PM.
Quote from hvtran4 :
Unfortunately, there is an eBay error with their payment system where we can't check out.
Is that on all of them? I thought it was resolved by now. That payment issue was happening yesterday as well. I was refunded by another seller because he said he couldn't access the network. Not sure what's going on. Doesn't necessarily have to be from verizon. Look around for MVNO's from them or ATT or search for "numbers port" and again sort from low to high. Good luck.

EDIT: Would like to add that some people are having success using numberbarn.

Use this to check if the number can transfer:
https://www.t-mobile.com/resource...our-number
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Last edited by orram March 18, 2021 at 01:16 PM.
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ohboy10451
03-18-2021 at 01:16 PM.
03-18-2021 at 01:16 PM.
Quote from robbyrob1 :
Existing customer on T-Mobile. Does the iPhone on us deal need a credit check? I was at the point of signing the EIP when I read the fine print it may do a hard credit pull? Anyone know. Thanks

Existing clients do not get an additional credit pull. It's just generic jargon for new clients
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jeff1124
03-18-2021 at 01:19 PM.
03-18-2021 at 01:19 PM.
You can get the following phones for free with the free line and you do not need to port in a phone number. You do need to pay tax on the normal price of the phone. These phones are currently free with any new line.
Moto G Play
Samsung Galaxy A11
T-mobile Revvl 4
T-mobile Revvl 4+
LG K51
LG Stylo 6
LG Aristo 5
3
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Last edited by jeff1124 March 18, 2021 at 01:21 PM.

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ouloat
03-18-2021 at 01:23 PM.
03-18-2021 at 01:23 PM.
Quote from MahGyver :
Thanks for the reply. After catching up to 40 pages and getting a headache, I see one post similar to my situation. It seems like I have the same plan as mprabs, but instead, I'll wait 1 year to cancel line 7 - will that affect the free line 8? If I can't cancel line 7 since it's "tied" to line 8, can I cancel the (paid) line 2, making (paid) line 1 and 7 as the required 2 paid lines for insider discount and free lines?

I'm debating switching my Magenta 1.0 to the New Magenta (which everything should stay the same - free lines, costs), but I read that having 9 lines would move me to Magenta9 (?) anyway AND actually making the total cost low? If so, then I won't need to cancel line 7 after a year...
If you cancel line 2 you will definitely violate the 12 month no line cancellation requirement. The safest way is to figure out when you added your last free line, assuming line 6, add 13 months to that, and only start messing around with your plan then. Any changes before then may work, or may result in hours on the phone with support. Your call.
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MahGyver
03-18-2021 at 01:31 PM.
03-18-2021 at 01:31 PM.
Quote from ouloat :
If you cancel line 2 you will definitely violate the 12 month no line cancellation requirement. The safest way is to figure out when you added your last free line, assuming line 6, add 13 months to that, and only start messing around with your plan then. Any changes before then may work, or may result in hours on the phone with support. Your call.
Oh yeah, I forgot about that. As far as you know, the "BO" part of the "GO" is not married to each other though right? So after 13 months after the last free line, it can be taken out?
Thanks again for the reply.
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ugabuga
03-18-2021 at 01:33 PM.
03-18-2021 at 01:33 PM.
Do I need to provide a phone for the add a line/slim? I just want to order then when sim comes just toss it into a second phone to temp activate it then remove it and store sim.
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saghey
03-18-2021 at 01:40 PM.
03-18-2021 at 01:40 PM.
Quote from ugabuga :
Do I need to provide a phone for the add a line/slim? I just want to order then when sim comes just toss it into a second phone to temp activate it then remove it and store sim.
No you don't need to. You can assign the new number to a sim, whenever you get it, and then swap it out with another sim when needed.
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ouloat
03-18-2021 at 01:44 PM.
03-18-2021 at 01:44 PM.
Quote from MahGyver :
Oh yeah, I forgot about that. As far as you know, the "BO" part of the "GO" is not married to each other though right? So after 13 months after the last free line, it can be taken out?
Thanks again for the reply.
I do not know if you can remove 1 paid line from your BOGO promo and keep the free line. However, you can probably get a better answer by using your web inspector and getting the exact account discount code for the BOGO. Then ask the group how you can mess with that code. Here are some sample discount codes.

1: {name: "Insider Discount", code: "EMPFNBM"
2: {name: "This One's on Us (AAL)", code: "AALPROMOB"
3: {name: "2020 Line On Us", code: "20Q23P"
4: {name: "2020 Line On Us 2", code: "20Q32P"
5: {name: "2020 Line On Us 4", code: "20Q44P"
6: {name: "Family Discount", code: "FBVDISC"
>
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ugabuga
03-18-2021 at 01:48 PM.
03-18-2021 at 01:48 PM.
Quote from saghey :
No you don't need to. You can assign the new number to a sim, whenever you get it, and then swap it out with another sim when needed.
Thanks! Guess I'll go through tmobile app and do a chat. You guys paying for sim or mostly getting it waived or credited back?
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ouloat
03-18-2021 at 01:52 PM.
03-18-2021 at 01:52 PM.
One last Cricket number to port out for $5 AGC. If you have a new account with a PM limit, please send me your email address in your PM so I can reply back to you. Can't help you if I can't reply back to you.
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Last edited by ouloat March 18, 2021 at 02:14 PM.

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scjhbg
03-18-2021 at 01:54 PM.
03-18-2021 at 01:54 PM.
Quote from chrissmith :
Yes, I had to pay $20 assistance fee. But, I didn't want to take a chance with mailing in my trade-in phone. Amazingly, I just received a message that my trade-in is complete, and all promos are applied correctly - all in one day. I haven't had a trade-in that was this fast.

The store reps seemed to know about all promos. When I walked in I told them that I want to add a free line, port-in a number, and trade-in Iphone XR for Iphone 12 pro max. I mentioned the promo 2021 Apple Switch Trade, and they simply nodded and did everything.

Simply worth $20 for all the things that needed to be done. Now, I don't have to worry about mailing in my phone, waiting for Assurant to assess my phone, and things like that.
Do you have the promo listed in the My Promotions tab? I see my monthly price added the phone EIP, nothing about the promotion.
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