Samsung is ramping up its efforts to enhance user security through continuous updates. The South Korean tech giant has just rolled out a new update addressing security vulnerabilities for one of its popular smartphones. So, which is the latest model to receive this update? Here are the details!
May 2025 Security Patch Released for Samsung Galaxy Z Flip 4
The latest model to receive Samsung’s May 2025 security patch is the Galaxy Z Flip 4. The update, which comes with the build number F721NKSS6HYE2, is currently available for users in South Korea. In addition to fixing system vulnerabilities, it also promises a more stable user experience.

If you haven’t received the update notification automatically, you can manually check for the update by going to Settings > Software Update > Download and Install. If you still can’t find the update, it may not have reached your region yet — in that case, you may need to wait a little longer.
Samsung Galaxy Z Flip 4 Specifications
Feature | Details |
---|---|
Network | GSM / CDMA / HSPA / EVDO / LTE / 5G |
Body | Dimensions (Open): 165.2 x 71.9 x 6.9 mm; Closed: 84.9 x 71.9 x 15.9–17.1 mm Weight: 187g Material: Plastic front (when open), Gorilla Glass Victus+ back, aluminum frame SIM: Nano-SIM + eSIM Protection: IPX8 water resistance (up to 1.5m for 30 mins), armored aluminum frame |
Display | Type: Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak brightness) Main: 6.7 inches, 1080 x 2640 pixels Cover Display: 1.9 inches Super AMOLED, 260 x 512 pixels (Gorilla Glass Victus+) |
Platform | OS: Android 12, upgradable to Android 14 with One UI 6.1.1 Chipset: Snapdragon 8+ Gen 1 (4 nm) CPU: Octa-core GPU: Adreno 730 |
Memory | No microSD card slot Internal: 128GB/8GB RAM, 256GB/8GB RAM, 512GB/8GB RAM (UFS 3.1) |
Main Camera | Dual: 12 MP (wide) + 12 MP (ultrawide) Video: 4K@30/60fps, 1080p@60/240fps, 720p@960fps, HDR10+ |
Front Camera | Single: 10 MP Video: 4K@30fps |
Audio | Stereo speakers No 3.5mm jack Hi-Res Audio: 32-bit/384kHz, tuned by AKG |
Connectivity | Wi-Fi 6 (dual-band), Bluetooth 5.2, GPS, GLONASS, GALILEO, BDS, NFC, USB-C 2.0 with OTG |
Sensors | Side-mounted fingerprint sensor, accelerometer, gyro, proximity, compass, barometer |
Battery | Type: Li-Po 3700 mAh Charging: 25W wired (50% in 30 mins), 15W wireless, 4.5W reverse wireless |
Colors | Bora Purple, Graphite, Pink Gold, Blue, Yellow, White, Navy, Khaki, Red |