Xiaomi 18 Fold
The Xiaomi 18 Fold is a mid fold flagship foldable screen phone released by Xiaomi Group on September 7, 2026, equipped with the Xuanjie O3 AI flagship processor and Xiaomi Pengpai OS 4.
The Xiaomi 18 Fold was approved two years ago and has been under development for over 20 months, marking the first time Xiaomi has included the mid fold in its digital series. As of September 2026, Xiaomi has accumulated over 190 invention patents in the field of folding architecture, and the new generation of dragon bone pivot has undergone 80000 drop tests and 492 optimizations.
Adopting a mid folding structure, the outer screen is 5.38 inches and the inner screen is 7.58 inches, supporting LTPO 1-120Hz and 4000nits peak brightness. The core is equipped with Xiaomi's self-developed Xuan Jie O3 AI flagship SoC (TSMC 3nm process, integrated 24 billion transistors); The image is a Leica full focus triple camera (200 million main camera+50 million periscope telephoto), with a built-in 6000mAh battery and support for 67W wired and 50W wireless charging.
The body is 5.02mm thick when unfolded, 10.68mm thick when closed, and weighs 219g. The middle frame is made of aerospace grade 7 series aluminum alloy, with an outer screen made of dragon crystal glass 3.0 and an inner screen made of double-layer UTG ultra-thin glass. Equipped with 1.2-meter drop resistance and IP58/IP59 dust and water resistance, with an average crease of ≤ 30 μ m; The connection supports Wi Fi 7, Bluetooth 6.0, and USB 3.2 Gen2.
Its main parameters are as follows:
| 3.5mm jack | No |
| 24-bit/192kHz Hi-Res & Hi-Res wireless audio | |
| Announced | 2026, September 07 |
| Bluetooth | 6.0, A2DP, LE, LHDC 5 |
| Build | Glass front (Xiaomi Dragon Crystal Glass 3) (folded), plastic front (unfolded), glass back, aluminum frame |
| Card slot | No |
| Charging | 67W wired, PD3.0, 50W PPS |
| 50W wireless | |
| Reverse wired | |
| Chipset | XRing O3 (3 nm) |
| Colors | Gray, Silver, Red, Rose gold |
| CPU | 10-core 4.35 GHz |
| Dimensions | Unfolded: 163.8 x 117.8 x 5.0 mm |
| Folded: 83.6 x 117.8 x 10.7 mm | |
| Dual | 200 MP, f/1.7, 23mm (wide), 1/1.56", 0.5µm, PDAF, OIS |
| 50 MP, f/2.8, 80mm (telephoto), PDAF, OIS, 3.x optical zoom | |
| 50 MP, f/2.4, 17mm (ultrawide) | |
| Features | Laser AF, color spectrum sensor, Leica lenses, LED flash, HDR, panorama |
| HDR | |
| GPU | Arm G2-Ultra NX MC16 |
| Infrared port | Yes |
| Internal | 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM |
| UFS 4.1 | |
| Loudspeaker | Yes, with stereo speakers, Dolby Atmos |
| NFC | Yes |
| OS | Android 17, HyperOS 4 |
| Positioning | GPS (L1+L5), BDS (B1I+B1C+B1a), GALILEO (E1+E5a), QZSS (L1+L5), GLONASS, NavIC |
| Radio | No |
| Resolution | 2364 x 1672 pixels (~382 ppi density) |
| Cover display: | |
| LTPO AMOLED, 120Hz, Xiaomi Dragon Crystal Glass 3 | |
| 5.38 inches, 1168 x 1712 pixels | |
| HDR10+, Dolby Vision, HDR Vivid, 4000 nits (peak) | |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer |
| Ultra Wideband (UWB) support | |
| SIM | Nano-SIM + Nano-SIM |
| IP58/IP59 dust protected and water resistant (high pressure water jets; immersible up to 1m for 30 min) | |
| Single | 16 MP, f/2.2, 21mm (wide) |
| Cover camera: | |
| 16 MP, f/2.2, 21mm (wide) | |
| Size | 7.58 inches, 174.8 cm2 (~90.6% screen-to-body ratio) |
| Status | Available. Released 2026, September 07 |
| Technology | GSM / HSPA / LTE / 5G |
| Type | LTPO AMOLED, 120Hz, HDR10+, Dolby Vision, HDR Vivid, 4000 nits (peak) |
| Si/C Li-Ion 6000 mAh | |
| USB | USB Type-C 3.2 Gen2, OTG |
| Video | 8K@24fps, 4K@30/60fps (Dolby Vision), 1080p@30/60/120/960fps, gyro-EIS, OIS |
| 1080p@30/60fps | |
| Weight | 219 g (7.72 oz) |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band |