Lowest now$253
Typical (median)$436
Per GB storage$0.49
7 days▲ 1.5%
30 days—
Live listings52
Buy or wait? Fair price: today's low is within 1% of its 18-day average.
Market read
Of 52 Buy It Now listings, 21 used (from $253), 19 new (from $375), 12 refurb (from $391). The cheapest used copy is 33% below the cheapest new one. 98% ship free; the rest add $14.85 shipping at the median. The middle half of asking prices runs $391 to $450, so anything under $391 is in the cheapest quarter. Lowest we have recorded since 2026-10-19: $234 on 2026-10-24; today's cheapest is 8% above that.
Asking prices of US eBay listings including shipping, as of 2026-11-05 (checked twice a day); we earn a commission on purchases through these links; parts, broken units and accessories are filtered out. How we price.
Cheapest Samsung Galaxy S23 Ultra 512GB unlocked listings right now
| Listing | Condition | Price + ship | ||
|---|---|---|---|---|
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Samsung Galaxy S23 Ultra SM-S918U 512GB Cream Verizon Unlocked W106217 Buy It Now | Used | $253 · $0.49/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra SM-S918U 512GB Phantom Black Verizon Unlocked W106651 Buy It Now | Used | $265 sale: was $338, −22% · $0.52/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra SM-S918U 512GB Green Verizon Unlocked W107104 Buy It Now | Used | $281 · $0.55/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra SM-S918U 512GB Green Unlocked W107286 Buy It Now | Used | $285 · $0.56/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra SM-S918U1 512GB Phantom Black Unlocked W107248 Buy It Now | Used | $285 · $0.56/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 5G S918U 256G/512GB Fully Unlocked GSM+CDMA *Great* Buy It Now | Used | $336 sale: was $349, −4% · $0.66/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra SM-S918U 512GB Lavender T-Mobile Unlocked W109071 Buy It Now | Used | $363 · $0.71/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 512GB Green AT&T Unlocked No S Pen Buy It Now | Used | $375 · $0.73/GB storage free ship | View on eBay |
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NEW SEALED Samsung Galaxy S23 Ultra 5G S918U 256/512GB GSM+CDMA Factory Unlocked Buy It Now | New | $375 · $0.73/GB storage free ship | View on eBay |
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NEW SEALED SAMSUNG GALAXY S23 ULTRA 5G 1T/512GB/256G FACTORY UNLOCKED S918U US Buy It Now | New | $385 · $0.75/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 512GB Black Unlocked AT&T T-Mobile Verizon GSM 7646857 Buy It Now | Used | $387 · $0.76/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 512GB Black T-Mobile Unlocked SM-S918U Bezel Wear Buy It Now | Used | $389 · $0.76/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 512GB S918U Unlocked - Used Poor Buy It Now | Used | $390 · $0.76/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 512GB S918U Unlocked - Good Buy It Now | Good - Refurbished | $391 · $0.76/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 512GB Lavender AT&T Unlocked Front Camera Screen Spot Buy It Now | Used | $393 · $0.77/GB storage free ship | View on eBay |
|
Samsung Galaxy S23 Ultra 5G S918U 256G/512GB Fully Unlocked GSM CDMA All Carrier Buy It Now | Open box | $409 · $0.80/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 512GB 6.8in 200MP Unlocked Green Android Buy It Now offers | Used | $415 · $0.81/GB storage | View on eBay |
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Samsung Galaxy S23 Ultra 512GB Unlocked ATT T-Mobile Verizon Very Good Condition Buy It Now | Very Good - Refurbished | $427 · $0.83/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 512GB S918U Unlocked - Very Good Buy It Now | Very Good - Refurbished | $429 · $0.84/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 512GB Phantom Black Unlocked Very Good Condition Buy It Now | Very Good - Refurbished | $429 · $0.84/GB storage free ship | View on eBay |
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New Samsung Galaxy S23 Ultra 5G 512GB SM-S918U Factory Unlocked Phantom Black Buy It Now | New | $430 sale: was $444, −3% · $0.84/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra - 512GB - US Version (Unlocked) - Good Buy It Now | Good - Refurbished | $431 · $0.84/GB storage free ship | View on eBay |
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Fully Unlocked Samsung Galaxy S23 Ultra SM-S918U1 256/512GB Smartphone Very Good Buy It Now | Open box | $433 · $0.85/GB storage free ship | View on eBay |
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NEW SEALED Samsung Galaxy S23 Ultra S918U 512GB Unlocked ALL CARRIERS Smartphone Buy It Now | New | $434 sale: was $444, −2% · $0.85/GB storage free ship | View on eBay |
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NEW Samsung Galaxy S23 Ultra 5G Unlocked 256/512GB, Dual SIM GSM CDMA Smartphone Buy It Now | New | $436 · $0.85/GB storage free ship | View on eBay |
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🔥NEW SEALED Samsung Galaxy S23 Ultra 5G SM-S918U1 256/512GB Factory Unlocked🔥 Buy It Now | New | $436 · $0.85/GB storage free ship | View on eBay |
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✅NEW SEALED Samsung Galaxy S23 Ultra 5G SM-S918U Factory Unlocked 512GB+12GB RAM Buy It Now | New | $436 · $0.85/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 5G S918U 512GB 12GB Fully Unlocked GSM+CDMA Sealed NEW Buy It Now | New | $437 · $0.85/GB storage free ship | View on eBay |
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Samsung Galaxy S23 Ultra 5G S918U 256G/512GB Fully Unlocked GSM+CDMA Sealed NEW Buy It Now | New | $437 · $0.85/GB storage free ship | View on eBay |
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NEW SEALED Samsung Galaxy S23 Ultra 5G SM-S918U 12+512GB Unlocked ALL CARRIERS Buy It Now | New | $437 · $0.85/GB storage free ship | View on eBay |
Recent auctions: last bid seen
The last bid we saw before each auction ended, shipping included. This is not a confirmed sale price: bids in the final minutes are missed, and an auction can end unsold or below a reserve.
| Ended | Last bid seen | Bids | Seen before end |
|---|---|---|---|
| 2026-11-02 | $313 | 13 | 7h |
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Where today's prices sit
52 live listings by price (item + shipping). The highlighted bar is the cheapest band.
Price history
typical asking price lowest asking price
Head to head
- Samsung Galaxy S23 Ultra 512GB unlocked vs Samsung Galaxy S25 128GB unlocked
- Samsung Galaxy S23 Ultra 512GB unlocked vs Samsung Galaxy S25 256GB unlocked
Compare
- Samsung Galaxy S23 128GB unlocked $132
- Samsung Galaxy S24 128GB unlocked $177
- Samsung Galaxy S24 Ultra 256GB unlocked $331
- Samsung Galaxy S25 Ultra 256GB unlocked $462
- Samsung Galaxy S22 Ultra 128GB unlocked $123
- Samsung Galaxy S22 Ultra 256GB unlocked $213
- Samsung Galaxy S23 Ultra 256GB unlocked $234
- Samsung Galaxy S23+ 256GB unlocked $193
- Samsung Galaxy S24+ 256GB unlocked $219
- Samsung Galaxy S24 Ultra 512GB unlocked $365