Switch to AT&T Business and Keep Your Phones & Numbers
Your business can keep its compatible unlocked smartphones, transfer eligible phone numbers, and save with AT&T Business wireless plans and promotional bill credits.
Whether your company has four smartphone lines or 25 or more, AT&T Business Unlimited Advanced 3.0 offers competitive monthly pricing when combined with qualifying BYOD port-in credits.
Updated: November 1, 2026 | New BYOD credit effective November 2, 2026
New BYOD Promotion: Starting November 2, 2026, qualifying business customers can receive up to $480 in bill credits per eligible smartphone line when bringing compatible phones and transferring numbers from another carrier.
That's $20 per month in credits for 24 months on each qualifying line.
The previous $600 non-retail BYOD offer ends November 1, 2026. Promotional eligibility and service requirements apply.
AT&T Business BYOD Pricing: Save More With 25 or More Lines
Here is how the new $480 BYOD port-in promotion works with AT&T Business Unlimited Advanced 3.0.
4–24 Smartphone Lines
After qualifying BYOD promotional credits.
$40 Advanced 3.0 service price
− $20 monthly BYOD credit
$20 effective monthly service
25–50 Smartphone Lines
After qualifying BYOD credits and the additional volume discount.
$40 Advanced 3.0 service price
− $5 additional volume discount
− $20 monthly BYOD credit
$15 effective monthly service
Important: Both examples assume eligible AutoPay and paperless billing, qualified BYOD port-in activations, and the applicable AT&T Business Unlimited Advanced 3.0 rate structure.
The $20 BYOD credit lasts 24 months. The additional $5 volume discount applies to eligible 25–50-line pricing and is separate from the promotional BYOD credit. Taxes, fees and other charges are additional.
How the Monthly Pricing Works
Customers with at least 25 eligible smartphone lines receive an additional $5 per-line discount on Advanced 3.0 within the applicable 25–50-line pricing tier.
| Monthly Price | 4–24 Lines | 25–50 Lines |
|---|---|---|
| Advanced 3.0 | $40 | $40 |
| Volume Discount | — | −$5 |
| BYOD Port-In Credit | −$20 | −$20 |
| Effective Price Per Eligible Line | $20/mo. | $15/mo. |
The monthly prices above reflect the November 2, 2026 promotion for eligible lines. They are not guaranteed rates for every business account.
What if your company has fewer than four lines?
AT&T Business Unlimited Advanced 3.0 is also available for smaller accounts, but the underlying monthly plan rate is higher for one, two or three lines. Request a quote for your exact line count.
What if your company has more than 50 lines?
Larger businesses may qualify for additional business pricing arrangements. Curtis can review available custom pricing and the appropriate AT&T Business solution for your company.
What Your Business Needs
- Eligible smartphone numbers transferring from another wireless carrier.
- Compatible smartphones you want to keep using.
- Phones unlocked from the previous carrier.
- An eligible AT&T Business wireless plan.
- Qualified business account approval and promotional eligibility.
- Lines remaining active and meeting applicable offer requirements.
What Your Business Gets
- Up to $480 in promotional bill credits per qualifying line.
- $20 monthly credit over 24 months.
- Competitive Advanced 3.0 business plan pricing.
- Additional $5 per-line savings for eligible 25–50-line pricing.
- Keep the smartphones your employees already use.
- No new phone purchase required for the BYOD offer.
How the $480 BYOD Credit Works
- Your business keeps compatible, unlocked smartphones.
- You transfer eligible smartphone numbers from another wireless carrier to AT&T.
- Your business activates those lines on an eligible wireless plan.
- Qualifying lines receive $20 per month in promotional bill credits.
- Monthly credits continue for 24 months, totaling up to $480 per eligible line.
- Qualifying promotional credits may take up to three billing cycles to begin.
After 24 months: The BYOD promotional credit ends. Eligible volume and AutoPay discounts may continue under the applicable plan terms.
Promotion, plan eligibility, billing requirements and offers are subject to change.
Starting a New Business? Bringing Your Own Phones Can Reduce Upfront Costs
A newly established business can apply for AT&T Business wireless using its Federal Tax ID.
AT&T still performs a business credit review. Under updated credit policies, the former refundable service deposit has been eliminated for affected small-business and mid-market accounts.
If your business already owns compatible unlocked smartphones, bringing those devices means you are not purchasing new phones from AT&T.
That can eliminate the need for a new equipment down payment while allowing the company to benefit from eligible BYOD savings.
Business credit approval is still required. Approval is not guaranteed. Taxes, activation fees and other applicable charges may still apply.
Why BYOD Makes Sense for Businesses
- Keep smartphones employees already know how to use.
- Avoid purchasing replacement phones simply to switch carriers.
- Move eligible business phone numbers to AT&T.
- Reduce monthly service costs with qualifying promotional credits.
- Take advantage of additional savings available to larger business accounts.
- Minimize equipment expenses when switching wireless providers.
- Work directly with a dedicated business wireless consultant.
What I Check Before Your Business Switches
The advertised price matters only if your business and individual lines qualify.
Before placing an order, I can review:
- How many smartphone lines your company needs.
- Your current wireless carrier.
- Eligible phone number transfers.
- Smartphone compatibility and unlocking requirements.
- Available AT&T Business wireless plans.
- BYOD port-in promotional credit eligibility.
- Additional volume discounts for larger accounts.
- Expected monthly service charges and promotional credits.
- Whether keeping your existing phones or purchasing new devices provides the better overall value.
Not every setup qualifies. The account size, eligible plan, current carrier, number transfer, smartphone compatibility and promotion requirements affect the final price.
The Curtis Matthews Personal Service Commitment
I've spent more than 35 years in the wireless industry, helping businesses navigate wireless technology, service plans and equipment decisions.
As an independent AT&T Solution Provider, I work directly with business customers and remain personally involved in the services and requests I manage.
My goal is simple: explain your options, help you make informed decisions, and follow through on the work I handle for your business.
I also have access to a broader AT&T Business solutions team that can assist with quotes and specialized business services.
Standard consultation and assistance through my Solution Provider services have no separate consulting charge. AT&T account approval, promotional eligibility and pricing remain subject to AT&T requirements.
Ready to Switch Your Business to AT&T?
Whether you have four smartphone lines, 25 lines or a much larger business account, I can help review your options.
Send me your business name, current wireless carrier, approximate number of lines and whether you want to keep your existing smartphones.
I'll review the appropriate AT&T Business options and applicable promotions.
Frequently Asked Questions
How much is the new AT&T Business BYOD port-in credit?
Effective November 2, 2026, eligible non-retail business BYOD smartphone port-ins can receive up to $480 in bill credits, provided as $20 monthly for 24 months.
Can I still get $15 per line with the new BYOD offer?
Yes. Qualifying businesses with 25–50 smartphone lines on Advanced 3.0 can reach an effective $15 per-line monthly service price.
The calculation is $40 base monthly rate, minus $5 volume discount, minus $20 BYOD credit. Qualifying AutoPay and paperless billing are assumed.
What is the BYOD price for four smartphone lines?
Four eligible smartphone lines on Advanced 3.0 have an example effective service price of $20 per line per month after the qualifying $20 BYOD port-in credit.
That would total $80 per month for four lines during the promotional credit period, excluding taxes and fees.
Do I need at least four lines?
No. Smaller businesses may qualify for BYOD promotions on eligible plans. However, the Advanced 3.0 base monthly rates are different for one, two and three lines.
The $20-per-line example applies to the 4–24-line tier.
Do I automatically receive the $5 discount with 25 lines?
Eligible Advanced 3.0 accounts in the 25–50 smartphone-line pricing tier receive an additional $5 per-line volume discount compared with the 4–24-line rate.
The actual account and plan must qualify for the applicable pricing.
Can I keep my current business smartphones?
Yes, provided the devices are compatible with AT&T, unlocked from the previous carrier and meet the requirements for activation.
Can I keep my existing business phone numbers?
Eligible active phone numbers can generally be transferred from another carrier to AT&T.
Do not cancel your existing service before completing the number transfer.
Do I need to purchase new phones?
No. Bring Your Own Device is designed for compatible unlocked smartphones your business already owns.
When do the promotional credits begin?
Qualifying BYOD promotional credits may take up to three billing cycles to begin.
What happens after the 24 months?
The promotional $20 monthly BYOD credit ends after 24 months.
Eligible ongoing plan discounts, including applicable volume pricing, are separate from the promotional BYOD credit.
What happens if I cancel a line?
If qualifying wireless service is canceled, remaining BYOD promotional bill credits for that line stop.
Can a brand-new business apply for AT&T Business?
Yes. A business may apply using its Federal Tax ID. AT&T performs a business credit review, and approval is not guaranteed.
Could AT&T require a device down payment?
Device down payments may apply when purchasing new smartphones.
When you bring compatible unlocked phones you already own, there is no new equipment purchase requiring a device down payment.
Other upfront charges may still apply.
Does no service deposit mean there is no credit check?
No. AT&T still performs a business credit review. Changes to refundable service-deposit requirements do not eliminate the credit-review process.
Curtis Matthews
AT&T Business Wireless Consultant
Independent AT&T Solution Provider
Platinum Network Solutions
Serving business customers nationwide. Offers are subject to AT&T eligibility, approval, availability and change. Monthly pricing examples exclude applicable taxes, fees and additional charges.
Last updated November 1, 2026. New BYOD credit effective November 2, 2026.
Your AT&T solution provider can handle porting, transfer PINs, and promo credits for your lines.
