# Samsung Galaxy S21 128GB unlocked price tracker As of Nov 12, 2026, Samsung Galaxy S21 128GB on eBay: used listings start at $107 (median $165); refurb from $140. [See the cheapest Samsung Galaxy S21 128GB on eBay (used) — $107 →](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C267811921782%7C0) [Refurbished from **$140**](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C960093673124%7C0)[Used from **$107**](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C267811921782%7C0) [Search Amazon (no matched listing yet) →](https://www.amazon.com/s?k=samsung+galaxy+s21+128gb+unlocked&tag=sharpestai-20) As an eBay Partner and Amazon Associate we earn from qualifying purchases, at no cost to you. Cheapest now **$107**[See it on eBay →](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C267811921782%7C0) Lowest now**$107** Typical (median)**$165** Per GB storage**$0.84** 7 days** —** 30 days** —** Live listings**32Buy or wait?** Tracking began 2026-11-11, so there isn't enough history for a buy/wait call yet. Today the cheapest clean listing is 35% under the typical one. ## Cheapest Samsung Galaxy S21 128GB unlocked listings right now | | Listing | Condition | Price + ship | | |---|---|---|---|---| | | Samsung Galaxy S21 5G SM-G991U 128GB Phantom Gray T-Mobile Unlocked W107079 Buy It Now | Used | $107 sale: was $124, −13% · $0.84/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C267811921782%7C0) | | | Samsung Galaxy S21 5G SM-G991U 128GB Phantom Gray Unlocked W107106 Buy It Now | Used | $107 sale: was $124, −13% · $0.84/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C267812679549%7C0) | | | Samsung Galaxy S21 5G - 128 GB - Black Network Unlocked No Physical SIM Card Buy It Now offers | Used | $110 · $0.86/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C336879514958%7C0) | | | Samsung Galaxy S21 5G SM-G991U 128GB Phantom Gray Unlocked W107521 Buy It Now | Used | $112 sale: was $124, −9% · $0.88/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C267815572190%7C0) | | | Samsung Galaxy S21 5G SM-G991U 128GB Phantom Gray Unlocked W107782 Buy It Now | Used | $121 sale: was $124, −2% · $0.94/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C267819068337%7C0) | | | Samsung Galaxy S21 5G SM-G991U 128GB Phantom Gray Unlocked Black Spots Excellent Buy It Now | Used | $123 · $0.96/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C204733115525%7C0) | | | Samsung Galaxy S21 5G SM-G991U 128GB Phantom Pink T-Mobile Unlocked W108056 Buy It Now | Used | $125 · $0.97/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C287666906503%7C0) | | | Samsung Galaxy S21 5G SM-G991U1 128GB Unlocked Good Used Buy It Now | Used | $130 · $1.02/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C354452660000%7C623852783051) | | | Samsung Galaxy S21 5G SM-G991U1 128GB Factory Unlocked Smartphone OPEN BOX Grey Buy It Now offers | Used | $133 · $1.04/GB storage | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C840031653001%7C0) | | | Samsung Galaxy S21 5G Phantom Pink 128GB Unlocked - Back Pink Spots Buy It Now | Used | $136 · $1.06/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C900044876176%7C0) | | | Samsung Galaxy S21 5G - 128GB - Phantom Gray (Carrier Unlocked) C-Stock Buy It Now | Good - Refurbished | $140 · $1.09/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C960093673124%7C0) | | | Samsung Galaxy S21 S991U 5G SM- G991U1 - 128GB - FACTORY UNLOCKED - GOOD Buy It Now | Used | $140 · $1.09/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C134370911668%7C434312379713) | | | Samsung Galaxy S21 5G - 128GB - Phantom Gray (Carrier Unlocked) B-Stock Buy It Now | Very Good - Refurbished | $153 · $1.20/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C960158533894%7C0) | | | Samsung Galaxy S21 5G 128GB G991U Unlocked - Good Buy It Now | Good - Refurbished | $162 · $1.27/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C254987231741%7C554895524532) | | | Samsung Galaxy S21 5G G991 128GB Unlocked - Good Buy It Now | Good - Refurbished | $163 · $1.27/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C384503249352%7C652603691712) | | | Samsung Galaxy S21 5G 128GB (Unlocked) Pink 6.2" Android w/ Box Buy It Now | Used | $165 · $1.29/GB storage | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C147592689852%7C0) | | | Samsung Galaxy S21 5G 128GB SM-G991U (T-Mobile-GSM Unlocked) Gray (E-0093) Buy It Now offers | Used | $165 · $1.29/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C960183134157%7C0) | | | Samsung Galaxy S21 5G SM-G991U 128GB Phantom Pink T-Mobile Unlocked W110433 Buy It Now | Used | $166 · $1.30/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C267840051760%7C0) | | | Samsung Galaxy S21 - 5G - SM- G991U1 - 128GB - FACTORY UNLOCKED - EXCELLENT Buy It Now | Excellent - Refurbished | $170 · $1.33/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C125641047454%7C427276038395) | | | Samsung Galaxy S21 5G 128GB G991U Unlocked - Very Good Buy It Now | Very Good - Refurbished | $172 · $1.34/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C254986400075%7C558251338228) | | | Samsung Galaxy S21 SM-G991U 128GB Unlocked Excellent Condition All Colors Buy It Now | Excellent - Refurbished | $173 · $1.35/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C127912764689%7C429107289892) | | | Samsung Galaxy S21 SM-G991U 128GB Unlocked Good Condition All Colors Buy It Now | Good - Refurbished | $173 · $1.35/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C127912669655%7C429107357810) | | | Samsung Galaxy S21 5G 128GB Gray SM-G991U (Unlocked) Fully Functional DG8790 Buy It Now | Used | $174 sale: was $178, −5% · $1.36/GB storage | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C940052746484%7C0) | | | Samsung Galaxy S21 5G SM-G991U -128GB Phantom Gray Verizon + UNLOCKED - OPEN BOX Buy It Now | Open box | $179 · $1.40/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C134202570241%7C0) | | | Samsung Galaxy S21 5G 128GB G991U Unlocked - Excellent Buy It Now | Excellent - Refurbished | $181 · $1.41/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C254948181863%7C555304085596) | | | Samsung Galaxy S21 5G G991U1 128GB Factory Unlocked Smartphone OPEN BOX Violet Buy It Now | Open box | $188 · $1.47/GB storage | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C257450161301%7C0) | | | Original Factory Unlocked Samsung Galaxy S21 5G SM-G991U1 128GB GRAY Open Box Buy It Now offers | Open box | $189 · $1.48/GB storage | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C257817681914%7C0) | | | Samsung Galaxy S21 SM-G991U1 - 5G - 128GB - FACTORY UNLOCKED - OPEN BOX Buy It Now | Open box | $189 · $1.48/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C116518975099%7C416796446990) | | | New Other Samsung Galaxy S21 G991U 128GB Unlocked SmartPhone Buy It Now | Open box | $190 · $1.48/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C327429188733%7C516128713763) | | | GSM UNLOCKED - Samsung Galaxy S21 5G SM-G991B/DS 128GB Gray 6.2'' - OPEN BOX Buy It Now | Open box | $195 · $1.52/GB storage free ship | [View on eBay](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C147647132430%7C0) | ## Get a price-drop alert We'll email you when a Samsung Galaxy S21 128GB listing hits your price. One email per drop, unsubscribe in one click. By continuing you agree to our [Terms](https://sharpest.ai/terms) and [Privacy Policy](https://sharpest.ai/privacy). ## Where today's prices sit 32 live listings by price (item + shipping). The highlighted bar is the cheapest band. Price history starts 2026-11-11 — the chart appears after the second daily snapshot. ## Market read Of 32 Buy It Now listings, 23 used (from $107), 9 refurb (from $140). 81% ship free; the rest add $8.79 shipping at the median. The middle half of asking prices runs $133 to $181, so anything under $133 is in the cheapest quarter. Lowest we have recorded since 2026-11-11: $107 on 2026-11-11 — today matches it. New vs used vs refurbished (Buy It Now, delivered) | Condition | Listings | Cheapest | Median | |---|---|---|---| | Refurbished | 9 | [$140](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C960093673124%7C0) | $170 | | Used | 23 | [$107](https://sharpest.ai/go/phones/galaxy-s21-128gb/v1%7C267811921782%7C0) | $165 | Asking prices of US eBay listings including shipping, as of 2026-11-11 (checked twice a day); we earn a commission on purchases through these links; parts, broken units and accessories are filtered out. [How we price](https://sharpest.ai/about#method). ## Head to head - [Samsung Galaxy S21 128GB unlocked vs Samsung Galaxy S21 Ultra 128GB unlocked](https://sharpest.ai/phones/vs/galaxy-s21-128gb-vs-galaxy-s21-ultra-128gb) - [Samsung Galaxy S21 128GB unlocked vs Samsung Galaxy Z Fold4 256GB unlocked](https://sharpest.ai/phones/vs/galaxy-s21-128gb-vs-galaxy-z-fold4-256gb) ## Compare - [Samsung Galaxy S23 128GB unlocked](https://sharpest.ai/phones/galaxy-s23-128gb) $132 - [Samsung Galaxy S24 128GB unlocked](https://sharpest.ai/phones/galaxy-s24-128gb) $177 - [Samsung Galaxy S24 Ultra 256GB unlocked](https://sharpest.ai/phones/galaxy-s24-ultra-256gb) $331 - [Samsung Galaxy S25 Ultra 256GB unlocked](https://sharpest.ai/phones/galaxy-s25-ultra-256gb) $541 - [Samsung Galaxy S22 Ultra 128GB unlocked](https://sharpest.ai/phones/galaxy-s22-ultra-128gb) $144 - [Samsung Galaxy S22 Ultra 256GB unlocked](https://sharpest.ai/phones/galaxy-s22-ultra-256gb) $160 - [Samsung Galaxy S23 Ultra 256GB unlocked](https://sharpest.ai/phones/galaxy-s23-ultra-256gb) $234 - [Samsung Galaxy S23 Ultra 512GB unlocked](https://sharpest.ai/phones/galaxy-s23-ultra-512gb) $242 - [Samsung Galaxy S23+ 256GB unlocked](https://sharpest.ai/phones/galaxy-s23-plus-256gb) $176 - [Samsung Galaxy S24+ 256GB unlocked](https://sharpest.ai/phones/galaxy-s24-plus-256gb) $219 --- As of 2026-11-12. Canonical page: https://sharpest.ai/phones/galaxy-s21-128gb