Samsung Galaxy S21 – Unlocked, New, Open-Box & Used
from $159.99 · 6 listings · updated May 2026
3 Open-Box · 2 New · 1 Used
- Samsung Galaxy S21 5G, US Version, 128GB, Phantom Gray - Unlocked Looks brand new 100% clean no scratches and under warranty. $159.99 · Open-Box
- NEW Samsung Galaxy S21 5G SM-128GB Factory Unlocked GSM+CDMA Smartphone - Excellent condition. Unlocked work with all carriers. $189 · Open-Box
- Samsung Galaxy S21 5G 256GB G991U Unlocked - Good $215 · New
- Samsung Galaxy S21 - 128GB - Phantom Gray (Unlocked) with 1 year warranty $224 · Used
- SAMSUNG GALAXY S21 5G SM-G991U1 128GB GSM+CDMA ALL COLORS $239 · New
- Samsung S21 to S25 Open box Original ( Starting from $289 ) $289 · Open-Box
Samsung Galaxy S21 buying guide
In stock by condition
- Open-Box: 3 listings, $159.99–$289
- New: 2 listings, $215–$239
- Used: 1 listing, $224
Storage sizes named in listing titles
- 128GB: 4 listings, $159.99–$239
- 256GB: 1 listing, $215
1 listing names several sizes or none.
4 of 6 listings say unlocked in the title.
Before you buy
- 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.
- Returns: returns can be requested within 30 days of the purchase date with a valid receipt or proof of purchase; some items may not be eligible.