MASSIVE Samsung Galaxy deals during Discover Samsung!

SamMobile has affiliate and sponsored partnerships. If you buy something through one of these links, we may earn a commission.

Galaxy Z Flip 4 updated with One UI 5.1 in the US

Firmware
By 

Last updated: February 20th, 2023 at 12:57 UTC+01:00

Just moments ago, Samsung released the One UI 5.1 update to the Galaxy Z Fold 4 in the US. Now, the One UI 5.1 update is rolling out to the unlocked version of the Galaxy Z Flip 4 in the US. Other markets have already started getting the new update.

The One UI 5.1 update for the Galaxy Z Flip 4’s carrier-unlocked version in the US comes with firmware version F721U1UEU1CWAC. The update also brings the February 2023 security patch that aims to fix dozens of security vulnerabilities found in Samsung smartphones. The new update is currently available on AT&T, Bluegrass Cellular, Cricket, C Spire, and Cellular South’s networks in the country.

If you are a Galaxy Z Flip 4 user in the US with an unlocked device, you can download and install the One UI 5.1 update immediately by navigating to Settings » Software update and tapping Download and install. You can also download the new firmware file from our firmware database and flash it manually.

You can have a look at all the important features of Samsung’s One UI 5.1 update in our detailed explainer video below.

FirmwarePhone February 2023 Security PatchGalaxy Z Flip 4One UI 5.1USA
Load comments

You might also like

Samsung expands May 2023 security update to Galaxy S21 FE in the US

Samsung expands May 2023 security update to Galaxy S21 FE in the US

Two weeks ago, Samsung released the May 2023 security update to the Galaxy S21 FE in Latin America. Last week, the update was released to the Galaxy S21 FE in Asian and European countries. Now, the latest security update has been released to the Galaxy S21 FE in the US, starting with the unlocked version […]

  • By Asif Iqbal Shaik
  • 2 hours ago
Samsung invites Malaysians to develop apps optimized for foldable Galaxy phones

Samsung invites Malaysians to develop apps optimized for foldable Galaxy phones

Foldable devices are far from conventional, but that usually works in their favor. The foldable design opens up new possibilities for unique use cases as long as mobile apps take advantage of the form factor. Samsung’s Flex Mode, enabled by the rigid hinge design, was created just for that. Many apps can transform their UIs […]

  • By Mihai Matei
  • 21 hours ago
Promotional Galaxy A54 price will make you forgive the phone’s flaws

Promotional Galaxy A54 price will make you forgive the phone’s flaws

Although the Galaxy A54 is not perfect, as it suffers from UI performance and optimization issues that Samsung could address through firmware updates, the mid-range phone is still a good choice — for the right price. The Galaxy A54 usually costs $449, which is arguably a bit high given its mild issues, but prospective buyers […]

  • By Mihai Matei
  • 21 hours ago
Samsung USA offering huge discounts on Galaxy Z Fold 4 and other products

Samsung USA offering huge discounts on Galaxy Z Fold 4 and other products

If you are looking to purchase a Samsung product, be it a smartphone, gaming monitor, or PC, then it isn’t too late. Samsung is offering great discounts and free storage upgrades on its Galaxy Z Fold 4 and Galaxy S23+ smartphones. Besides, the Odyssey G7 gaming monitor is available for $200 off, and you can […]

  • By Sagar Naresh
  • 1 day ago
Galaxy Note 10 gets May 2023 security update in Latin America and the US

Galaxy Note 10 gets May 2023 security update in Latin America and the US

Earlier this month, Samsung released the May 2023 security update to the Galaxy Note 10 series in South Korea. Last week, the update was released to carrier-locked Galaxy Note 10 units in the US. Now, the company has released the new security update to the unlocked Galaxy Note 10 devices in the US and Latin […]

  • By Asif Iqbal Shaik
  • 1 day ago
Unlocked Galaxy S20 series units get May 2023 security update in the US

Unlocked Galaxy S20 series units get May 2023 security update in the US

A couple of weeks ago, the Galaxy S20 series started getting the May 2023 security update in Latin American countries. Last week, the update was also released to the carrier-locked units in the US. Now, the new security update is available for unlocked Galaxy S20 series units in the US. Galaxy S20 May 2023 security […]

  • By Asif Iqbal Shaik
  • 1 day ago