Hardware The Galaxy Z Flip 4 has two screens: its foldable inner 6.7-inch display with a 120 Hz variable refresh rate and its 1.9-inch cover display. The device has 8 GB of RAM, and either 128 GB, 256 GB or 512 GB of UFS 3.1 flash storage, with no support for expanding the device's storage capacity via micro-SD cards. The Z Flip 4 is powered by the Qualcomm Snapdragon 8+ Gen 1. The device's included battery is a 3700 mAh dual-cell unit that fast charges via USB-C up to 25 W, or via wireless charging up to 10 W. The Z Flip 4 features two rear cameras, including a 12 MP wide-angle camera and a 12 MP ultra-wide camera. It has a 10 MP front-facing camera at the top of the display.
Software The Galaxy Z Flip 4 shipped with
Android 12L and Samsung's custom
One UI 4.1.1 skin. They enabled a couple of new “Labs” features for multi-window fans. With these new options enabled, users can now swipe the corner of an app inward to enable Pop-Up View. They can also swipe from the edges of the screen using two fingers to enable multi-window mode on the fly.
Samsung has promised 4–5 years of updates to this, its predecessor and its successor (OS upgrades and security updates respectively, meaning support will end in 2027). The
One UI 5 update based on
Android 13 began rolling out to the Z Flip 4 devices on November 7, 2022. The firmware update also comes with a November 2022 security patch that fixes all sorts of security vulnerabilities. The
One UI 6 update based on
Android 14 began rolling out to the Z Flip 4 devices on December 8, 2023. This was later followed by One UI 6.1, which made its debut first on the
Galaxy S24. The
One UI 7 update based on
Android 15 began rolling out to the Z Flip 4 devices on May 2, 2025. Finally on October 6, 2025, the Z Flip 4 received
Android 16 with
One UI 8 as its last version. == References ==