Samsung Galaxy S21 – Unlocked, New, Open-Box & Used
5 listings · Asking prices from $159.99
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Samsung Galaxy S21 listings
- Open Box · Excellent (seller's grade)Samsung Galaxy S21: Samsung Galaxy S21 · Unlocked · Open Box, Excellent · 128GB$159.99
- Used · Excellent (seller's grade)Samsung Galaxy S21: Samsung Galaxy S21 · Unlocked · Used, Excellent · 128GB$160.99
- New · Good (seller's grade)Samsung Galaxy S21 · 256GB: Samsung Galaxy S21 5G 256GB G991U Unlocked - GoodGray
- Unlocked
$215
unlocked from $215 · 5 listings · open-box from $159.99 · used from $160.99 · updated Nov 2026
2 New · 2 Used · 1 Open-Box
By lock status: Unlocked from $215 (3) · Lock not stated from $159.99 (2)
Samsung Galaxy S21 prices, November 2026
| Condition | Listings | Lowest | Typical | Highest |
|---|---|---|---|---|
| Used | 2 | $160.99 | Not shown for fewer than 3 listings | $224 |
| Open-Box | 1 | $159.99 | Not shown for fewer than 3 listings | $159.99 |
| New | 2 | $215 | Not shown for fewer than 3 listings | $239 |
Asking prices from 5 live listings, updated Nov 2, 2026. Sellers set these prices. Typical is the middle asking price, shown only for 3 or more listings; with an even count it is the lower of the two middle prices.
Price guide: Used phone prices
Samsung Galaxy S21 asking prices by storage and condition
| Storage | Used | Open-Box | New |
|---|---|---|---|
| 128GB | $160.992 listings | $159.991 listing | $2391 listing |
| 256GB | No listing | No listing | $2151 listing |
Each cell is the lowest asking price sellers set for that storage size and condition, then how many listings it covers; a dash means no listing. Storage is read from listing titles: all 5 live listings are in the grid.
Samsung Galaxy S21 vs Samsung Galaxy S22
| Samsung Galaxy S21 | Samsung Galaxy S22 | |
|---|---|---|
| Lowest asking price | $159.99 | $169.99 |
| Live listings | 5 | 4 |
Prices are the lowest asking price of live FlexEmarket listings and change as listings do.
What to check before buying a used Samsung Galaxy S21
- Battery health: ask the seller for the current battery health reading.
- Activation Lock: ask the seller to confirm Find My iPhone (iCloud) or the Google account lock (FRP) is turned off.
- IMEI: ask for the IMEI and check that it is not reported lost, stolen or blacklisted.
- Carrier: confirm the phone is unlocked or works with your carrier.
Storage sizes named in listing titles
- 128GB: 4 listings, $159.99–$239
- 256GB: 1 listing, $215
Colors named in listing titles
- Gray: 1 listing
Questions about the Samsung Galaxy S21
How much is a used Samsung Galaxy S21?
Sellers on FlexEmarket are asking $160.99 to $224 for a used Samsung Galaxy S21 (2 used listings, updated Nov 2, 2026). Other conditions: Open-Box from $159.99, New from $215.
Are the Samsung Galaxy S21 listings on FlexEmarket unlocked?
4 of 5 live listings say unlocked in the title. A listing that names a carrier, such as AT&T or Verizon, may be locked to it; check the title and ask the seller before you buy. Will this phone work for me?
What do New, Open-Box, Used and Renewed mean on FlexEmarket?
They are the condition each seller sets on a listing. A listing marked New whose title says otherwise is counted under the condition the title names. Grade words in a title are the seller's own description, so read the listing and ask the seller if anything is unclear. Open Box condition guide
Can I return a Samsung Galaxy S21 bought on FlexEmarket?
Returns can be requested within 30 days of the purchase date with a valid receipt or proof of purchase. Items are returned by mail, the buyer pays the return shipping, and there is no restocking fee. The request goes to the seller of the item, and some items may not be eligible. Returns policy