Samsung Galaxy S21 Ultra – Unlocked, Open-Box, Used & Renewed
from $249 · 10 listings · updated May 2026
4 Open-Box · 3 Renewed · 1 Used
- Samsung S21 Ultra - Refurbish No Scratches Guaranteed Phone $249 · Renewed
- Samsung S21 Ultra to S25 Ultra Open box Original ( Starting from $349 ) $249
- Samsung Galaxy S21 Ultra 256GB – A+ Grade (Like-New) – Fully Unlocked – Stunning AMOLED Display – Not Refurbished – 6 Months Warranty $249.99 · Open-Box
- open box Samsung Galaxy S21 Ultra Verizon Unlocked 5G 128GB, 90 Days Warranty , Good Condition. $259.99 · Open-Box
- Samsung Galaxy S21 Ultra 5G, 128GB, Phantom Black - Unlocked $265 · Renewed
- Samsung Galaxy S21 Ultra 5G, US Version, 128GB - Unlocked Fully refurbish Looks brand new 100% clean no scratches and under warranty. $269 · Renewed
- Samsung Galaxy S21 Ultra Unlocked 5G 128GB Black Like a new Under warranty. Not refurbish ( original parts) $269.99 · Open-Box
- Samsung S21 Ultra to S22 Ultra Reburfished ( Starting from $279 ) $279
- Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Black - Unlocked Not refurbish ( original parts) $285 · Open-Box
- Samsung Galaxy S21 Ultra $299 · Used
Samsung Galaxy S21 Ultra buying guide
In stock by condition
- Open-Box: 4 listings, $249.99–$285
- Renewed: 3 listings, $249–$269
- Used: 1 listing, $299
Storage sizes named in listing titles
- 128GB: 5 listings, $259.99–$285
- 256GB: 1 listing, $249.99
4 listings name several sizes or none.
6 of 10 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.