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How much is an Galaxy S Series S21 Plus worth in 2026?

Trade-in and resale values for the Samsung Galaxy S Series S21 Plus — updated weekly. Last refreshed Apr 30, 2026.

Current resale range — 128GB, good condition
$88 – $132
Average payout this week: $80
50 data points across carriers + storage tiers

Pricing by storage and condition

Storage ExcellentGoodFairCrackedBroken
128GB $132$110$88$55$17
256GB $144$120$96$60$18

Carrier-locked devices typically discount 8–15% versus unlocked. Battery health below 85% reduces payouts roughly 20%.

12-week resale trend

Trend chart populates once we have 2+ weekly snapshots.

Factors that affect Galaxy S Series S21 Plus resale value

Battery health

Below 85% drops payouts about 20%. Below 80% — many buyers reclassify the device as "fair".

iCloud / activation lock

Phones still tied to an Apple ID or Google account get rejected outright. Sign out before listing.

What buyers pay vs what sellers get

If you're running a buyback business, the gap between what end-users get and what wholesale buyers pay is your margin. Here's the spread on the Galaxy S Series S21 Plus right now:

Channel What sellers get Resell range Spread
Direct from public (cash) $55–$110 $143–$158 ~$103
Online buyback (BackMarket / Gazelle) $55–$110 $143–$158 ~$33

See the Galaxy S Series S21 Plus buying guide for the full spread analysis.

How the Galaxy S Series S21 Plus compares

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previous gen
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Galaxy S Series S21 Plus
this model
$110
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next gen
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FAQ

How do I check if a phone has been blacklisted?

Run a free IMEI blacklist check using the device’s IMEI (dial *#06# to retrieve). Blacklisted phones can’t activate on any major US carrier.

Where is the best place to sell a used phone in 2026?

Comparison sites like SellCell aggregate offers from a dozen buyback platforms. Direct cash sales tend to clear at the top of the range.

Why does my trade-in offer keep dropping?

Carrier trade-in offers ratchet down monthly as new generations ship. Resale values on third-party platforms are more stable.

Before you buy or sell: run a free IMEI blacklist check — and read the Galaxy S Series S21 Plus buying guide for the full inspection checklist.

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