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Freedom251 › Blog › carrier bill credits

How to Compare Phone Deals: Total Cost, Trade-In Value, and Return Policy

By Freedom251 Team · · 6 min read

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Compare phone deals by what you are likely to pay over the same period—not by the advertised monthly price or trade-in headline. Add the phone’s upfront cost and installments, taxes and required fees, any extra service-plan cost, and only the promotional credits you realistically expect to receive. Then check the trade-in rules and what happens if you return the new phone or leave early.

How do I compare phone deals?

Use the same expected holding period for every offer—for example, the 24 months you expect to keep the phone. Separate the cost of the device from wireless service, and note the conditions attached to any discount.

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  1. Identify the exact offer. Record the seller, phone model and storage configuration, advertised retail price, amount financed, and any required trade-in.
  2. Write down what is due at checkout. Include a down payment, taxes, activation or upgrade charges, and other mandatory fees shown for that offer.
  3. Calculate device payments over your chosen period. Record the monthly installment and number of installments. If the installment term is longer than your planned holding period, do not count payments outside that period as though they were already paid; separately note the balance that could remain.
  4. Add the incremental service cost. Include the required plan’s monthly price over the same period, but count only the amount above what you would otherwise pay for service. If you would keep the same plan at the same price, it is not an extra cost created by the phone deal.
  5. Subtract only credits you expect to earn. Note the credit amount, when credits begin, how long they last, and the plan, line, trade-in, or account conditions. Do not count credits that rely on a condition you do not expect to maintain.
  6. Check the exit and return terms. Find out what happens to credits and the remaining device balance if you cancel, change plans, pay off early, or return the new phone. Read the trade-in terms separately.

A useful comparison formula is:

Expected outlay = upfront device amount + taxes and required fees + device installments during your chosen period + extra required service-plan cost during that period − promotional credits you expect to receive.

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Show the time horizon and assumptions beside each result. This is an estimate of outlay over that period, not necessarily the full cost of owning the phone: if the installment term continues beyond your horizon, account for the remaining balance when considering an early exit.

#1 Best Overall
Sale
Samsung Galaxy A17 5G Smart Phone 128GB US 1 Yr Manufacturer Warranty Black | Large AMOLED, High-Res Camera, Durable Design, Super Fast Charging, Expandable Storage, Circle to Search, 2025
  • YOUR CONTENT, SUPER SMOOTH: The ultra-clear 6.7" FHD+ Super AMOLED display of Galaxy A17 5G helps bring your content to life, whether you're scrolling through recipes or video chatting with loved ones.¹
  • LIVE FAST. CHARGE FASTER: Focus more on the moment and less on your battery percentage with Galaxy A17 5G. Super Fast Charging powers up your battery so you can get back to life sooner.²
  • MEMORIES MADE PICTURE PERFECT: Capture every angle in stunning clarity, from wide family photos to close-ups of friends, with the triple-lens camera on Galaxy A17 5G.
  • NEED MORE STORAGE? WE HAVE YOU COVERED: With an improved 2TB of expandable storage, Galaxy A17 5G makes it easy to keep cherished photos, videos and important files readily accessible whenever you need them.³
  • BUILT TO LAST: With an improved IP54 rating, Galaxy A17 5G is even more durable than before.⁴ It’s built to resist splashes and dust and comes with a stronger yet slimmer Gorilla Glass Victus front and Glass Fiber Reinforced Polymer back.

Compare the offers on the same axes

Comparison What to record
Total expected outlay Device costs, taxes and fees, extra required service cost, and credits likely to be earned over the same holding period.
Credit dependency Credit length, qualifying plan and line requirements, and the effect of cancellation, plan changes, payoff, or upgrade.
Trade-in certainty Eligible models, condition rules, deadlines, valuation adjustments, and what happens if the device is rejected.
Return flexibility Return deadline, condition requirements, fees, return channel, and whether a surrendered trade-in can be recovered.
Exit cost Remaining device balance and credits lost if you leave, disconnect a line, or otherwise end eligibility early.
Upfront cash Down payment, taxes, and fees due at purchase; check whether tax is assessed on the full retail price.

Is a free phone really free?

Usually, “free” describes the device price after qualifying bill credits, not a promise that you owe nothing under every circumstance. A deal may spread credits across a long installment term and require a qualifying plan or active line. If you stop meeting the conditions, future credits may stop while the device balance remains payable.

For example, AT&T’s U.S. offer page lists an iPhone 18 Pro or iPhone 18 Pro Max discount of up to $1,200 after 36 monthly bill credits, with a qualifying trade-in and eligible Premium 2.0 plan. The listed minimum single-line plan price for that offer is $100 per month before taxes and fees. AT&T says credits start within three bills, may be reduced or stopped if the plan is lowered, and stop if service is canceled; the remaining device balance is then due. The page also lists tax on the full retail price and a $35 activation or upgrade fee. These are offer-specific terms, not a general estimate of what any AT&T customer will pay. Check the live AT&T offer terms for the exact model, plan, and checkout details.

Rank #2
Sale
Motorola Moto G Play LTE | Unlocked | Made for US 4/64GB | 50MP Camera | Sapphire Blue
  • Blazing-fast Qualcomm performance. Get the speed you need for great entertainment with a Snapdragon 680 processor and 4GB**** of RAM.
  • Fluid display + immersive stereo sound. Bring your entertainment to life with an ultrawide 6.5" 90Hz* HD+ display plus stereo speakers, Dolby Atmos, and Hi-Res Audio**.
  • 50MP*** Quad Pixel camera. Capture sharper, more vibrant photos day or night with 4x the light sensitivity.
  • 64GB**** built-in storage. Get plenty of room for photos, movies, songs, and apps—and add up to 1TB more with a microSD card*****.
  • Unbelievable battery life. Work and play nonstop with a long-lasting 5000mAh battery.*****

Keep financing and service in separate columns. AT&T’s installment agreement describes its device transaction as 0% APR with no finance charge, interest, origination fee, or other cost under that agreement, and says the total of payments equals the amount financed. That does not make the required wireless plan free; service charges are separate. Read the AT&T installment terms alongside the offer.

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What happens to phone bill credits if I switch carriers?

Credits are generally conditional, so the cost of leaving early can include both a device balance and promotional value you will no longer receive. Before accepting a deal, identify the line tied to the installment agreement, whether the credit requires a particular plan, and what the agreement says about cancellation or payoff.

Rank #3
Samsung Galaxy A16 4G LTE (128GB + 4GB) International Model SM-A165F/DS Factory Unlocked, 6.7", Dual SIM, 50MP Triple Camera (Case Bundle), Black
  • Please note, this device does not support E-SIM; This 4G model is compatible with all GSM networks worldwide outside of the U.S. In the US, ONLY compatible with T-Mobile and their MVNO's (Metro and Standup). It will NOT work with other CDMA carriers, and it is also not compatible with their MVNO (Visible, Xfinity Mobile, US Mobile, Cricket Wireless, etc).
  • Compatibility with certain third-party devices and accessibility accessories, including some hearing aids, may vary depending on manufacturer support, Bluetooth protocols, software compatibility, and regional firmware limitations. For additional hearing aid compatibility information, please refer to Samsung’s official support documentation.
  • Camera: 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 2 MP, f/2.4, (macro). Battery: 5000 mAh, non-removable | A power adapter is NOT included.

Verizon’s device-payment FAQ says monthly promotional credits stop when the device is paid off, and disconnecting the associated line can make the remaining balance billable. Its support page also distinguishes the device installment agreement from the separate customer or service agreement. For a Verizon offer, use the device payment FAQs to check the consequences that apply to the specific agreement.

To compare a promotion with a different carrier’s offer, calculate what you would actually pay if you stay for your planned period. Then identify the remaining balance and unearned credits if you might switch sooner. Do not treat credits as guaranteed savings when your plans may cause them to stop.

Rank #4
SAMSUNG Galaxy A16 4G LTE (128GB + 4GB) International Model SM-A165F/DS Factory Unlocked 6.7" Dual Sim 50MP Dual Cam (Case Bundle) (Gray)
  • Please note, this device does not support E-SIM; This 4G model is compatible with all GSM networks worldwide outside of the U.S. In the US, ONLY compatible with T-Mobile and their MVNO's (Metro and Standup). It will NOT work with Verizon, Spectrum, AT&T, Total Wireless, other CDMA carriers, it is also not compatible with their MVNO (Visible, Xfinity Mobile, US Mobile, Cricket Wireless, etc).
  • Compatibility with certain third-party devices and accessibility accessories, including some hearing aids, may vary depending on manufacturer support, Bluetooth protocols, software compatibility, and regional firmware limitations. For additional hearing aid compatibility information, please refer to Samsung’s official support documentation.
  • 4G LTE Bands: B1/B3/B5/B7/B8/B20/B28/B38/B40/B41
  • Display: Super AMOLED, 90Hz, 800 nits (HBM) | 6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio) | 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
  • Camera: 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 2 MP, f/2.4, (macro)
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Is it better to trade in my phone or sell it?

Compare the trade-in amount you can realistically qualify for with the net amount you expect from selling the phone yourself. A trade-in may be convenient, but its advertised value can depend on eligibility, condition, timing, and inspection. A private sale may involve more work and its proceeds are not established by the trade-in offer, so compare actual available options rather than assuming one route always pays more.

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Before sending a phone, check the exact promotion’s model and condition criteria, required preparation, shipping or hand-in deadline, and what happens if inspection changes the valuation. Samsung’s U.S. trade-in terms, for example, require shipping the old device within 15 days of receiving the new one. The eligibility rules cover whether it powers on and charges, display and device condition, ownership, removal of anti-theft locks, a factory reset, and FCC ID. Samsung says a late device may result in a chargeback of the trade-in value; under its standard terms, an ineligible device can receive a $25 valuation with a charge for the remainder of the applied trade-in amount. The specific promotion may have different requirements, so consult the terms attached to that offer and Samsung’s U.S. trade-in terms.

Best Value
BLU G35 | 2025 | Unlocked | 6.5” HD+ Infinity Display | Dual 8MP Camera + LED Flash 5MP Selfie Camera | 32GB/3GB I US Version | US Warranty | Grey
  • GSM Unlocked: Enjoy seamless connectivity with your preferred GSM carrier. Compatible with T-Mobile, Metro PCS, AT&T, Cricket, Mint Mobile and other GSM networks. SIM card not included. For network compatibility, please check with your carrier. Note: Not compatible with CDMA networks like Verizon (Visible, Spectrum Mobile, US Mobile, Total Wireless, Straight Talk Wireless)
  • Boundless Views: Enjoy immersive viewing on the spacious 6.5” HD+ display. Whether you're watching videos, browsing, or gaming, every detail comes through with stunning clarity.
  • Smooth Performance, All Day: Powered by an efficient octa-core processor, the G35 ensures smooth performance for your everyday tasks. Enjoy faster app launches, seamless multitasking, and reliable speed.
  • Snap, Share, Repeat: The G35 features a dual rear camera setup for sharp, detailed shots, and a front-facing camera that’s perfect for selfies and video calls. Capture every moment with ease and clarity.
  • Effortless Access: Keep your phone secure with A.I. Face ID technology. Instantly unlock your G35 with just a glance. It's fast, easy, and secure.

Can I return a phone after trading in my old one?

Returning the new phone and recovering the old one are separate questions. Read the seller’s return policy and the trade-in terms together, especially if you are relying on a short window to test the new device.

Samsung’s U.S. trade-in terms say a submitted trade-in cannot be returned, even if the new device is returned. That means returning the new phone should not be assumed to reverse the trade-in. Confirm the exact promotion’s rules before shipping the old device.

Return windows and fees differ by seller and offer. AT&T’s current offer page states a 14-day return window and a possible restocking fee of up to $55. Those terms are specific to the listed offer and can change; verify the policy, device-condition requirements, and return channel for the purchase you are making on AT&T’s offer page.

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What to check before accepting a phone promotion

  • Does the total compare the same phone and the same holding period?
  • Are taxes, activation or upgrade charges, and other mandatory checkout fees included?
  • Is the service plan more expensive than the one you would otherwise keep?
  • When do credits begin, how long do they last, and what can reduce or stop them?
  • Could canceling, changing plans, disconnecting a line, or paying off early leave you with a balance or lost credits?
  • Does your trade-in meet the offer’s eligibility rules, and can you meet its preparation and delivery deadline?
  • If the new phone is returned, can you recover the old one, and what fees or condition rules apply?

Offer prices, plan requirements, trade-in values, installment conditions, and return policies can change. The AT&T and Verizon examples and Samsung terms above are U.S.-specific official information accessed October 7, 2026; check the live terms and your checkout details before committing.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

carrier bill creditsdevice financingphone dealsphone return policysmartphone trade-in

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