Sell Galaxy S21 Ultra 5g
Top Trade-In Offer
$134
Price is expected to remain steady over the next 30 days
Why this matters?
Phone prices can drop without warning — selling now at the top trade-in offer secures the best value while the price holds steady.
Top Trade-In Offer
$134
Steady
next 30 days
Predicted prices are estimated based on historical trends and not guaranteed. Actual trade-in values may vary.
Sell or Trade In Your Galaxy S21 Ultra 5g for Cash
Cashmycell is the best place to sell or trade in your Galaxy S21 Ultra 5g. We compare trade-in prices from multiple verified buyback stores to get you the highest cash offer. No store credit, no hidden fees — just the best sell and trade-in deal for your phone.
Best Price
$215
Avg Value
$81
Today's best sell and trade-in price for the Galaxy S21 Ultra 5g is $215 with an average trade-in value of $81. Trade-in prices update daily as buyers adjust their offers.
How Much Is Your Galaxy S21 Ultra 5g Trade-In Worth?
The Samsung Galaxy S21 Ultra 5G carries a Snapdragon 888 or Exynos 2100 processor, a 6.8-inch QHD+ Dynamic AMOLED 2X display at 120Hz, 12GB or 16GB of RAM, and a quad camera led by a 108MP main sensor with two 10MP telephoto lenses and an ultra-wide. S Pen support and extensive zoom can help it remain desirable to buyback companies.
The trade-in value of your Galaxy S21 Ultra 5g depends on its storage capacity, carrier, condition, and current demand in the resale market. Newer Galaxy S21 Ultra 5g phones in excellent condition command the highest sell and trade-in prices, while cracked or damaged units still attract competitive offers from buyers who refurbish or harvest components. Compare all available trade-in offers above to sell your Galaxy S21 Ultra 5g for the best cash payout.
Galaxy S21 Ultra 5g Trade-In Value
Your Galaxy S21 Ultra 5g trade-in value varies by storage, carrier, and condition. Select a condition below to see the highest and lowest cash offers currently available from verified buyback companies.
Brand New: Device must be factory sealed in its original retail packaging with all included accessories and has never been activated. ESN/IMEI must be clean — no blocks, blacklist status, or outstanding financial balances. Device must be fully paid off and free from any carrier or financing obligations.
Price by Storage for Brand New condition
| Storage | Minimum | Maximum |
|---|---|---|
| 128gb | $75 | $175 |
| 256gb | $95 | $195 |
| 512gb | $100 | $215 |
Price by Carrier for Brand New condition
| Carrier | Minimum | Maximum |
|---|---|---|
| Unlocked | $175 | $215 |
| AT&T | $75 | $115 |
| T-Mobile | $100 | $100 |
| Other | $100 | $100 |
Prices update daily based on live buyer offers. Select your exact configuration above for a precise quote.
More Samsung Devices to Sell & Trade In
Compare sell and trade-in offers for other Samsung models on Cashmycell.
What Our Customers Say !
“After being recommended, I used the website to sell my phone and found the process to be smooth and easy, and got much better price for my phone compared to what other merchants were offering.”
Ankita
“I really enjoyed the simple to use website. Gave me very quick pricing information on my old phone.”
Rakesh Goyal
“Sold my old phone to Cashmycell and the whole process was smooth from quote to payout. The online quote was fair, the prepaid shipping label made sending it easy, and payment came through quickly after they received it. Communication was clear the entire way. Five stars — would absolutely use them again.”
Sanket Doshi
Cashmycell is the Fast and Easy Way to Sell Your Cell Phone Online
“Cashmycell is the best place to sell cell phones. One search, all the best offers.”
More Cash, No Store Credit
Cashmycell connects you with buyback companies that pay real cash not carrier credits or gift cards. Compare cash offers from multiple buyers with no fee for using Cashmycell. Final payment is subject to the buyer's inspection and offer terms.
Verified, Trusted Buyback Stores
Every buyback partner listed on Cashmycell is independently reviewed and verified. These are established businesses with thousands of real customer reviews on Google, BBB, and Trustpilot not random resellers.
Fast Payment After Inspection
Buyers typically issue payment within 24–48 hours after your device is received, inspected and approved. Total time from shipping to payment varies by buyer and shipping speed. Choose PayPal, Venmo, Zelle, bank transfer, or check.
100% Free & Risk-Free
Using Cashmycell costs you nothing. Comparing offers is free, shipping is covered by the buyer, and if you change your mind after sending your phone, it gets returned to you at no charge.
Prepare Your Galaxy S21 Ultra 5g Before You Sell or Trade In
Complete these steps before selling or trading in your phone to protect your data and ensure a smooth transaction.
Back up your data
Use Samsung Cloud or Google Drive to save photos, contacts, and app data.
Remove Samsung account
Settings, Accounts, Samsung account, Remove. This disables Samsung lock.
Remove Google account
Settings, Accounts, Google, Remove. This disables Factory Reset Protection.
Disable Find My Mobile
Settings, Biometrics and Security, Find My Mobile, turn off.
Factory reset
Settings, General Management, Reset, Factory Data Reset.
Remove SIM and SD card
Take out your SIM and any microSD card. Ship only the phone.
How to Sell or Trade In Your Phone in 3 Easy Steps
Sell or trade in your old phone for cash in minutes. No haggling, no hidden fees.
- 1
Compare Trade-In Offers
Select your condition, storage, and carrier above. Instantly compare sell and trade-in offers from multiple verified buyers side by side.
- 2
Ship Your Phone
Accept the best trade-in offer, back up your data, sign out of all accounts, factory reset, and ship using the buyer's provided instructions.
- 3
Get Paid Fast
Once the buyer receives and verifies your device, payment is issued promptly. Most buyers pay within 24 to 48 hours after you sell or trade in your phone.
Why Sell or Trade In With cashmycell?
The fastest, safest way to sell or trade in your phone for cash.
Transparent
No hidden charges or surprise fees. Just the best sell and trade-in value for your device.
Maximum Cash
Compare top trade-in offers instantly to get maximum cash when you sell your phone.
100% Secure
We only list verified, reputable buyers. Your device and data are safe whether you sell or trade in.
Fast Payment
Buyers process payment within 24 to 48 hours after verifying your trade-in phone.
Phone cracked, damaged, or not turning on?
You can still sell or trade in your broken phone for cash on Cashmycell. Cracked screens, water damage, battery issues, and more are all accepted.
Sell Broken Phone
Ready to sell your Samsung Galaxy S21 Ultra 5G? Cashmycell is the easiest place to turn your old phone into instant cash! With offers up to $215, our secure platform connects you to trusted buyers. Whether your device is in excellent condition or just average, you can compare prices quickly and get paid fast. Don’t let that old phone collect dust; cash in today with Cashmycell!
The Samsung Galaxy S21 Ultra 5G, released in early 2021, is still a powerful smartphone worth selling if you’re looking to upgrade. At Cashmycell, you can get up to $215 for your device, depending on its condition. Our platform allows you to compare cash offers from verified buyers, ensuring you get the best deal possible. Whether your phone is in excellent condition with no signs of wear or has some minor scratches, we make selling straightforward. With our secure process, you can quickly turn your old phone into cash. Don't let that impressive device gather dust in a drawer; take advantage of our hassle-free service and get paid swiftly. Trust Cashmycell for a smooth experience when trading in your Galaxy S21 Ultra 5G.
Your Questions Answered?