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Costco - BYOD to T-Mobile and get $300 per line - 11/26/21 to 12/2/21

+21 Deal Score
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Hey everybody,

Costco is offering $300 per line for bringing your own device and activating with T-Mobile.

Able to port in number or get new lines. There is a $7.50 fee per sim card. You are able to bring your own new sim cards to save on this fee.

Terms and conditions:
Requires activation of a new postpaid line of service on a compatible GSM phone.
Max 2 per account.
Rebate must be submitted within 30 days of purchase receipt date. Allow 14 weeks for processing.

Offer valid 11/26/21 to 12/2/21

No phone purchase required.
Created 11-27-2021 at 08:18 PM by kxc262
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Questions & Answers BETA
vinodk3118 asked this question on 11-29-2021 at 10:08 AM
11-29-2021 at 10:13 PM
No, it is not stackable with the free A32. You could potentially do the $300 gift card wait 14 weeks for the GC and proceed to use that to purchase the A32 which retails for $254.99
12-01-2021 at 06:16 PM
Can I upgrade my device with Best Buy after Costco bring own device offer ?
12-02-2021 at 11:02 AM
I heard from a rep that you cannot upgrade in the first 31 days, would like to read terms and conditions if anyone has them. Instead, you can add a line ( plus add a phone from Best Buy) and it will not disqualify you from the promotion. It is ok to use you sim card with a different phone
Dealindousa asked this question on 11-29-2021 at 01:39 PM
11-29-2021 at 10:13 PM
Tmobile 55+ essentials or regular essentials
11-30-2021 at 09:37 AM
I've been able to do this with the $20 per line Talk + Text only plan which was cheaper than 55+ or essentials
02-28-2022 at 05:04 PM
Did you receive ur rebates with the $20 plan?
slick_reachme asked this question on 11-28-2021 at 10:02 AM
11-29-2021 at 10:11 PM
No, you will have to wait 120 days after canceling to be eligible for any new line promotions.
12-05-2021 at 05:17 PM
Do i need to use the new T mobile sim/Number in BYOD phone whose IMEI registered while activating the new T mobile number? or can i just not use the new T-mobile sim , or use it on other unlocked phone?
BeigeRaccoon464 asked this question on 11-29-2021 at 10:28 AM
11-29-2021 at 10:28 AM
no, any unlock phone is fine.
GONASIS asked this question on 11-29-2021 at 01:39 PM
11-29-2021 at 01:40 PM
you need to be member
Matthew1970 asked this question on 11-27-2021 at 09:05 PM
11-29-2021 at 10:10 PM
Yes they are stackable

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#2
This has been there forever
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#3
Can I stack more with this??
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#4
Can I switch using this promo and then switch my lines to the corporate plan with my employer? Or is there a restriction that you need to be on some expensive plan for certain period
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11-27-2021 at 08:59 PM
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#6
Is this stackable wiht keep and switch?
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#7
Seems to be Magenta Max. I want a deal on 2 lines on the Magenta 55+ (not MAX) plan, or something similar. Both lines are currently on the prepaid T-mobile $30 "Walmart" plan, but it has very limited roaming on other carriers networks.
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#8
Does anyone know if $20 unlimited talk/text and no data plan will work for this?
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#9
can I get bogo free line with this
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#10
I already have an existing family plan with T-mobile. I'm trying to port my current company phone to T-mobile to take advantage of this deal. However, I'm told that there can only be 1 account per person. I'm kinda stuck here since my company won't reimburse a family plan. That said, I also tried to transfer the financial responsibility to my partner, but it appears that will remove my grandfathered plan. Any suggestion on how I can take advantage of this?
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#11
Is it possible to do this in combination with the BOGO? If I'm not currently a T-Mobile customer, should I start with the BYOD and then add BOGO, or the other way around? Thanks.
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Last edited by dontknow November 28, 2021 at 04:03 AM.
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#12
Quote from arunsharma71 :
can I get bogo free line with this
I believe so. Saw a sub reddit yesterday where the guy went into Costco to add two lines, and the BOGO promo popped up on reps screen. Did some asking around, and evidently this has been live since middle of August. I would chat in to T-Force to confirm before making the trip.
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#13
Quote from stanleychan :
I already have an existing family plan with T-mobile. I'm trying to port my current company phone to T-mobile to take advantage of this deal. However, I'm told that there can only be 1 account per person. I'm kinda stuck here since my company won't reimburse a family plan. That said, I also tried to transfer the financial responsibility to my partner, but it appears that will remove my grandfathered plan. Any suggestion on how I can take advantage of this?
Easiest way is to get your work phone off of any T-mobile network for 90+ days. Port it out to Visible or Total Wireless etc. Then you could just port it into your existing TMO account and at that time you could either choose something like this $300 BYOD (if active) or if a new line phone deal catches your eye instead. . .
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#14
Quote from dontknow :
Is it possible to do this in combination with the BOGO? If I'm not currently a T-Mobile customer, should I start with the BYOD and then add BOGO, or the other way around? Thanks.
For new customers I think it's either 3rd line free or BOGO. As per Jman100 on his T-mo.report.

https://tmo.report/2021/08/bogo-a...es-50-off/

Best bet is that after you got your 3 lines, the current BOGO that started August 13 would end, and a new one or 50% promo or an actual free AAL would start. . .then you could grab that. i.e. to have 3rd line free and get bonus line the promo has to start AFTER you are a current customer with 3 lines.
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#15
I combined this offer and 720$ BOGO for iphone 13. Got them for very cheap with this offer.

existing tmobile so upgraded one line amd added one new line to get two iphone 13 with 720$ rebate.

then added two more lines (BOGO on lines if you are on magenta) so eligible for. 300$ * 2 costco cards.

i paid around 1550$(with taxes) for two iphones and you get total 1320$ rebate so 230$ for two iphone 13

you need to pay tmobile for two lines and keep it till you get all rebates
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Last edited by Ilovevdeals November 28, 2021 at 12:56 PM.
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