# Samsung Galaxy S21 Ultra 256GB unlocked price tracker

As of Nov 12, 2026, Samsung Galaxy S21 Ultra 256GB on eBay: used listings start at $167 (median $231); new from $359; refurb from $329.

[See the cheapest Samsung Galaxy S21 Ultra 256GB on eBay (used) — $167 →](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C287667082576%7C0) [New from **$359**](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C137580783726%7C435688103352)[Refurbished from **$329**](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C187038703949%7C695061912327)[Used from **$167**](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C287667082576%7C0)  Far below the other listings: check the seller, photos and condition before buying.

[Search Amazon (no matched listing yet) →](https://www.amazon.com/s?k=samsung+galaxy+s21+ultra+256gb+unlocked&tag=sharpestai-20)

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 Cheapest now **$167**[See it on eBay →](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C287667082576%7C0)

 Lowest now**$167**

 Typical (median)**$346**

 Per GB storage**$0.65**

 7 days** —**

 30 days** —**

 Live listings**22Buy or wait?** Tracking began 2026-11-11, so there isn't enough history for a buy/wait call yet. Today the cheapest clean listing is 52% under the typical one.

## Cheapest Samsung Galaxy S21 Ultra 256GB unlocked listings right now

|  | Listing | Condition | Price + ship |  |
|---|---|---|---|---|
|  | Samsung Galaxy S21 Ultra 5G 256GB Phantom Black T-Mobile Unlocked W108069 Buy It Now | Used | $167 · $0.65/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C287667082576%7C0) |
|  | Samsung Galaxy S21 Ultra 5G SM-G998U1 256GB Phantom Black Unlocked W109386 Buy It Now | Used | $201 sale: was $233, −14% · $0.78/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C287699549984%7C0) |
|  | Samsung Galaxy S21 Ultra 5G SM-G998U1 256GB Phantom Black Unlocked W109610 Buy It Now | Used | $204 sale: was $233, −13% · $0.80/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C257835183153%7C0) |
|  | Samsung Galaxy S21 Ultra 5G G998U1 256GB Unlocked Used Phone with Black Spot Buy It Now | Used | $210 · $0.82/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C357893420992%7C626332038321) |
|  | Samsung Galaxy S21 Ultra 5G 256GB Phantom Black T-Mobile Unlocked W110469 Buy It Now | Used | $223 · $0.87/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C257846201362%7C0) |
|  | Samsung Galaxy S21 Ultra 5G 256GB Phantom Black T-Mobile Unlocked W110501 Buy It Now | Used | $223 · $0.87/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C267840195607%7C0) |
|  | Samsung Galaxy S21 Ultra 5G 256GB G998U Unlocked - Used Poor Buy It Now | Used | $240 · $0.94/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C256058875284%7C556399639538) |
|  | Samsung Galaxy S21 Ultra 5G SM-G998U Unlocked 256GB Phantom Black C Buy It Now | Used | $254 · $0.99/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C196520536465%7C0) |
|  | Samsung Galaxy S21 Ultra - 256 GB - Phantom Black (Unlocked) Buy It Now | Used | $308 · $1.20/GB storage | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C356814913495%7C0) |
|  | Samsung Galaxy S21 Ultra 5G SM-G998U1 256GB Unlocked Very Good Refurbished Buy It Now | Very Good - Refurbished | $329 · $1.28/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C187038703949%7C695061912327) |
|  | Samsung Galaxy S21 Ultra 5G SM-G998U Unlocked 256GB Black 16GB RAM 108MP Buy It Now offers | Used | $337 · $1.32/GB storage | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C307045587142%7C0) |
|  | Samsung Galaxy S21 Ultra 5G 256GB Phantom Black Single Sim Acceptable Unlocked Buy It Now | Used | $355 · $1.39/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C307274932392%7C0) |
|  | Samsung Galaxy S21 Ultra 5G 128/256GB Factory Network Unlocked G998U1-In Stock Buy It Now | New | $359 sale: was $454, −21% · $1.40/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C137580783726%7C435688103352) |
|  | Samsung Galaxy S21 Ultra 5G SM-G998U1 256GB Black Unlocked Buy It Now | Used | $419 · $1.64/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C307274969647%7C0) |
|  | Samsung Galaxy S21 ULTRA 5G G998U1 256GB Black Smartphone Pixels Unlocked Buy It Now | Good - Refurbished | $419 · $1.64/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C900080233941%7C0) |
|  | Samsung Galaxy S21 Ultra 5G 256GB Black 6.8 in Unlocked Buy It Now | Very Good - Refurbished | $445 · $1.74/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C900080236548%7C0) |
|  | Samsung Galaxy S21 Ultra 5G G998U 256GB GSM/CDMA Android Smartphone Unlocked Buy It Now | Very Good - Refurbished | $453 · $1.77/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C307275926080%7C0) |
|  | Samsung Galaxy S21 Ultra 5G G998U 256GB Phantom Black Unlocked Buy It Now | Very Good - Refurbished | $458 · $1.79/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C307275926311%7C0) |
|  | Samsung Galaxy S21 Ultra 256GB Phantom Black Unlocked Buy It Now | Very Good - Refurbished | $458 · $1.79/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C900080236625%7C0) |
|  | Samsung Galaxy S21 Ultra 5G CDMA + GSM 256GB Black Unlocked Buy It Now | Very Good - Refurbished | $498 · $1.95/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C900082870496%7C0) |
|  | ✅ Samsung Galaxy S21 Ultra 5G 256GB - (Unlocked) SM-G998U1 Black Smartphone Buy It Now | New | $550 · $2.15/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C227506107605%7C0) |
|  | Samsung Galaxy S21 ULTRA 5G Factory UNLOCKED SM-G998U1 (256GB BLACK, USA) NEW Buy It Now | New | $1,600 · $6.25/GB storage | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C144000855486%7C0) |

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## Where today's prices sit

22 live listings by price (item + shipping). The highlighted bar is the cheapest band.

## Price history

 typical asking price  lowest asking price

## Market read

Of 22 Buy It Now listings, 12 used (from $167), 7 refurb (from $329), 3 new (from $359). The cheapest used copy is 53% below the cheapest new one. 86% ship free; the rest add $7.76 shipping at the median. The middle half of asking prices runs $223 to $453, so anything under $223 is in the cheapest quarter. Lowest we have recorded since 2026-11-11: $167 on 2026-11-11 — today matches it.

New vs used vs refurbished (Buy It Now, delivered)

| Condition | Listings | Cheapest | Median |
|---|---|---|---|
| New | 3 | [$359](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C137580783726%7C435688103352) | $550 |
| Refurbished | 7 | [$329](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C187038703949%7C695061912327) | $453 |
| Used | 12 | [$167](https://sharpest.ai/go/phones/galaxy-s21-ultra-256gb/v1%7C287667082576%7C0) | $231 |

Asking prices of US eBay listings including shipping, as of 2026-11-12 (checked twice a day); we earn a commission on purchases through these links; parts, broken units and accessories are filtered out. [How we price](https://sharpest.ai/about#method).

## Head to head

- [Samsung Galaxy S21 Ultra 256GB unlocked vs Samsung Galaxy S22 Ultra 512GB unlocked](https://sharpest.ai/phones/vs/galaxy-s21-ultra-256gb-vs-galaxy-s22-ultra-512gb)
- [Samsung Galaxy S21 Ultra 256GB unlocked vs Samsung Galaxy Z Fold5 512GB unlocked](https://sharpest.ai/phones/vs/galaxy-s21-ultra-256gb-vs-galaxy-z-fold5-512gb)

## Compare

- [Samsung Galaxy S23 128GB unlocked](https://sharpest.ai/phones/galaxy-s23-128gb) $132
- [Samsung Galaxy S24 128GB unlocked](https://sharpest.ai/phones/galaxy-s24-128gb) $177
- [Samsung Galaxy S24 Ultra 256GB unlocked](https://sharpest.ai/phones/galaxy-s24-ultra-256gb) $331
- [Samsung Galaxy S25 Ultra 256GB unlocked](https://sharpest.ai/phones/galaxy-s25-ultra-256gb) $543
- [Samsung Galaxy S22 Ultra 128GB unlocked](https://sharpest.ai/phones/galaxy-s22-ultra-128gb) $144
- [Samsung Galaxy S22 Ultra 256GB unlocked](https://sharpest.ai/phones/galaxy-s22-ultra-256gb) $160
- [Samsung Galaxy S23 Ultra 256GB unlocked](https://sharpest.ai/phones/galaxy-s23-ultra-256gb) $234
- [Samsung Galaxy S23 Ultra 512GB unlocked](https://sharpest.ai/phones/galaxy-s23-ultra-512gb) $242
- [Samsung Galaxy S23+ 256GB unlocked](https://sharpest.ai/phones/galaxy-s23-plus-256gb) $176
- [Samsung Galaxy S24+ 256GB unlocked](https://sharpest.ai/phones/galaxy-s24-plus-256gb) $219

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As of 2026-11-12. Canonical page: https://sharpest.ai/phones/galaxy-s21-ultra-256gb
