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Samsung

SAMSUNG Galaxy Z Flip 4 5G, US Version, 256GB, Graphite - Unlocked (Renewed)

  • Based on 2,681 reviews
Condition: Refurbished - Excellent
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Availability: Only 4 left in stock, order soon!
Fulfilled by PrimeCell
Arrives Wednesday, Dec 24
Order within 20 hours and 14 minutes
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Service provider: Unlocked


Color: Graphite


Size: 256GB


Features

  • FLEX, POSE, POST: Getting that post-worthy solo shot is easy with a phone that stands on its own; Put Galaxy Z Flip4 in Flex Mode and capture hands-free selfies, record your epic dance moves and never worry about your makeshift tripod falling over again
  • CAPTURE ON ONE SCREEN, TEXT ON THE OTHER: Catch up with friends on the top and find the perfect pic to post on the bottom; Flex Mode makes doing two things at once a breeze
  • NEVER MISS A NOTIFICATION: The customizable cover screen on Galaxy Z Flip4 allows you to see just what you need while keeping your full screen private; Respond to texts, skip songs and change settings all while keeping your cellphone conveniently compact
  • PERFECTLY POCKET SIZED: Ditch the bag and travel light; The compact, foldable design lets you say bye to the bulk without sacrificing a big screen; Slide your smart phone easily into even your front pocket
  • UNFOLD A FASHION STATEMENT: Your phone is your most-used accessory, so why not make it an extension of your style, Choose from a wide array of colors and customize your cover screen so your mobile fits your vibe

Description

Introducing the Samsung Galaxy Z Flip 4 SM-F721U, a remarkable fusion of style and functionality. Elevating your smartphone experience with its innovative design, this device seamlessly combines cutting-edge technology with a sleek, compact form factor. With its revolutionary foldable display, the Galaxy Z Flip 4 offers a unique and immersive viewing experience. From streaming your favorite content to multitasking with multiple apps, the flexible screen adapts to your needs, providing unparalleled versatility.

Brand: Samsung


Operating System: Android


Ram Memory Installed Size: 8 GB


CPU Model: Snapdragon


CPU Speed: 2.75 GHz


Memory Storage Capacity: 256 GB


Screen Size: 6.7 Inches


Resolution: 1080x2640


Refresh Rate: 120 hertz


Model Name: Samsung Galaxy Z Flip 4


Product Dimensions: 6.5 x 2.83 x 0.27 inches


Item Weight: 6.6 ounces


Item model number: Galaxy Z Flip4


Batteries: 1 Lithium Ion batteries required.


OS: Android


Wireless communication technologies: Cellular


Connectivity technologies: Wireless


GPS: True


Special features: 3G Data Capable, 4G Data Capable, 5G Data Capable, Accelerometer, Bluetooth Enabled, Internet Browser, Music Player, Speakerphone, Touchscreen, Unlocked


Other display features: Wireless


Human Interface Input: Touchscreen


Scanner Resolution: 1080x2640


Other camera features: Front


Form Factor: Foldable Screen


Color: Graphite


Battery Power Rating: 3700 Milliamp Hours


Phone Talk Time: 18.5 Hours


Whats in the box: accessories


Manufacturer: Samsung Electronics


Date First Available: October 28, 2022


Memory Storage Capacity: 256 GB


Standing screen display size: 6.7 Inches


Ram Memory Installed Size: 8 GB


Battery Capacity: 3700 Milliamp Hours


Weight: 0.41 Pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Dec 24

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • It's held up for a year now
Service provider: Unlocked Color: Bora Purple Size: 256GB
I've had it for about a year now and it's still going strong. I read that people had issues with it cracking over time where it folds but I stopped folding it unless necessary like using as a flashlight to read at night or any other rare occasion I need to fold it. It's still worth having a folding phone because of those instances when a normal phone wouldn't work well. But yea I can't attest to if it cracks over time due to the fact I don't fold it often. I also don't use a screen protector and have dropped it many times and it hasn't been damaged. I do use a phone case though so I'm sure that helped. I would recommend this phone. ... show more
Reviewed in the United States on November 13, 2025 by Somebody
    • Black line of death the cause of reliability issues
Service provider: Unlocked Color: Bora Purple Size: 128GB
Review Image by Corey Corey
Review Image by Corey Corey
Review Image by Corey Corey
Review Image by Corey Corey
Review Image by Corey Corey
Review Image by Corey Corey
Review Image by Corey Corey
Review Image by Corey Corey
Review Image by Corey Corey
Review Image by Corey Corey
Up to today, the phone has never been dropped (on hard surfaces), looks brand new as if it came out of the box besides a very small blemish to the right of the camera lens. The color is beautiful and matches what is shown online. The phone was very responsive and quick for multiple tasks, it even worked well on Genshin Impact (the game) besides getting a little on the warm side. I paid $299.99 (plus $18.00 tax totaling $317.99) June 22 2024. The phones screen started peeling and shortly after turning into a black line 8-9 months of ownership. As of today, ~16 months of ownership the black line grew to cover ~1 inch varying in size across the middle of the screen. (The progression of the peeling over ~7-8 months) The black line and above no longer responds to touch, only can see display above the black line. Under the black line works as it should. The touch screen not working on the top was discovered as of yesterday. I'm not sure of how many total reports there have been of this model of phone but with my experiences I would consider a different phone and perhaps avoid all of the Galaxy Z Flip or Fold phones. If you do consider to buy a Flip or Fold phone and expect it to last quite a bit longer than the warranty, while still being reliable, I highly advise to do your research. Sharing the steps I've taken so far... I've contacted Amazon. Seems they cant do much as its after a year of when I'm reporting this. I left a voicemail to Chubbiestech, the seller, to see what they can do. I will give Samsung a try as well as this problem is from a design flaw, not wear and tear. I also taken multiple pictures and a video of the phone and the phone case purchased for the phone to show the condition of the phone (phone looks brand new besides the screen where it is peeling and some finger prints on the sides) I would post the video however it is too big in size. The pictures shown are the phone along with the phone case. The case is scratched up a bit on the bottom left corner, however this only caused a cosmetic flaw to the case purchased separately for the phone. The case did its job protecting the phone for normal use excluding drops as the phone has never been dropped on hard surfaces. I'm sure its been lightly tossed on the bed, dropped into a pocket, and placed into a purse with other items that most likely caused the cosmetic flaw on the case. The phone has only been open while in use, so only fingers and weather touched the screen. A screen protector has never been applied to the phone. This is the first time I've ever had trouble with a product design itself sold on the Amazon platform out of 86 items. ... show more
Reviewed in the United States on October 31, 2025 by Corey Corey
    • First Renewed Experience, First Samsung Device
Service provider: Unlocked Color: Bora Purple Size: 128GB
This review is for the phone as well as the process of buying a Renewed item through Amazon. I purchased this phone because I could not find a phone that isn't massive but that still had the features and performance I require for daily use, so I decided to try this renewed Flip 4. The 90 day return policy and the great price convinced me to try it out. Not sure if I can name the seller in the review but I basically selected the phone in the best condition from the highest-rated seller fulfilled by Amazon. The phone arrived in blank packaging with a charging cable. It looks like there is a screen protector installed, plus there was a plastic film on top of the screen for packaging. It came half charged. The phone itself looks brand new. No detectable blemishes or signs of use. Hinge is nice and solid. Full charge was very fast (with fast charger). Setup fairly easy with Samsung transfer app but I am still missing a few passwords and accounts. I can manually add those later. There is a lot of bloatware from Samsung, plus carrier junk apps. (I think this is carrier unlocked- when I put my SIM it, it applied my carrier settings and apps.) Battery life (as expected-lots of info on this) is not great. I knew that going in. I am tracking battery usage throughout the day with different levels of use- screen open and closed, dormant or playing videos - and it seems as though this particular device doesn't deplete battery any more than would be typical for a phone this age. I suspect this particular phone was very gently used to begin with. Example: battery depleted about 10-15% overnight with no use, not plugged in. With heavier usage the battery use goes up to about 10% per hour. Not sure if there's anything I can adjust/disable to make this more efficient. My old phone would give me 1.5 to 2 days of a charge with regular use so this will be an adjustment. The screen is beautiful and easy to see. Samsung is an upgrade overall for me and I am pleased with how smooth it runs. Nice on-screen keyboard, etc. I am not tech savvy so there are probably too many customization options for me personally. I really just want a phone that works well for calls, that I can text on and use internet and maps periodically. This should do the job just fine. No SD storage and no headphone jack. I guess that's becoming customary. The device doesn't seem flimsy at all. That being said, I would get a case ASAP in the event of inadvertent drops - it happens. Signal and connection seem good, as does speaker quality. The fingerprint sensor is on the side near the volume buttons. Not sure I am crazy about this placement and it never registers the first time for me, but I think that's probably a user (me) problem. Overall I had a very good experience buying Renewed. Anyone who is interested in trying a flip smartphone, this is very economical option without a major commitment. I will update my review accordingly if, within 90 days, anything goes haywire on the device. ... show more
Reviewed in the United States on June 6, 2024 by Ok_Grid
    • Great phone in general, but it's fragile and too expensive to fix.
Service provider: Unlocked Color: Bora Purple Size: 128GB
In general I love this phone. I thought the screen crease would bug me, but not at all. I want a bigger outside screen, but being able to bend it while a use it, and being able to close it compeltely, is so much more handy than I expected. But it's fragile, and unrepairable. The edge seal around the screen has started to break off, and I'm pretty that makes it not waterproof. But any repair to a foldable phone is always more than replacing it. ... show more
Reviewed in the United States on November 8, 2025 by Librarian L'Amore

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