Samsung Galaxy S21 Ultra 256GB unlocked typically costs $6.25 less than Samsung Galaxy S24 128GB unlocked on eBay right now ($285 vs $291 median asking price, item + shipping). Per GB storage, Samsung Galaxy S21 Ultra 256GB unlocked is cheaper: $1.11 vs $2.27. Prices from filtered US eBay listings, checked twice a day; asking prices, not sold prices. How we price.
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Samsung Galaxy S21 Ultra 256GB unlockedBuy from $129 on eBay
Typical $285 · $1.11/GB storage · 18 listings
Tracking began 2026-11-11, so there isn't enough history for a buy/wait call yet. Today the cheapest clean listing is 55% under the typical one.
Samsung Galaxy S21 Ultra 256GB unlocked
Buy from $129 on eBay
Typical $285 · $1.11/GB storage · 18 listings
Tracking began 2026-11-11, so there isn't enough history for a buy/wait call yet. Today the cheapest clean listing is 55% under the typical one.
Samsung Galaxy S24 128GB unlocked
Buy from $177 on eBay
Typical $291 · $2.27/GB storage · 107 listings
Fair price: today's low is within 2% of its 28-day average.