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Full specifications
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LAUNCH DATE3 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Announced | 9 September 2026 | 2026, September 07 |
| Released | 2026-10-23 | 2026, September 07 |
| Status | Announced | Available |
NETWORK6 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 71, 106 - A3447, A3719; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 106 - A3720; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 106 - A3721 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 |
| 5G | SA/NSA/Sub6/mmWave | SA/NSA/Sub6 |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | 5G/4G/LTE/GSM | GSM / HSPA / LTE / 5G |
BODY5 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Build | Titanium folding body; Ceramic Shield back | Glass front (Xiaomi Dragon Crystal Glass 3) Folded, Plastic front (unfolded), Glass back, Aluminum frame |
| Dimensions | Unfolded: 117.8 x 164.6 x 5.2 mm; Folded: 117.8 x 84.1 x 11.3 mm | Unfolded: 163.8 x 117.8 x 5.0 mm | Folded: 83.6 x 117.8 x 10.7 mm |
| IP Rating | IP68; 6 m for 30 minutes | IP58/IP59 dust protected and Water resistant (high pressure water jets; immersible up to 1m for 30 min) |
| SIM | Dual eSIM (US model) | Dual Nano-SIM |
| Weight | 254 g | 219 g |
DISPLAY9 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Brightness | 1000 nits typical; 1600 HDR; 3000 outdoor peak | 4000 nits (peak) |
| Color | P3 | — |
| Features | Always-on; HDR; True Tone | — |
| Protection | Ceramic Shield 2 front | Xiaomi Dragon Crystal Glass 3.0 (cover screen), Ultra Thin Glass (main screen) |
| Refresh Rate | Adaptive, up to 120Hz | Main and cover: 120Hz |
| Resolution | Inner: 1878 × 2670; outer: 1398 × 2034 pixels | Main: 2364 x 1672 pixels; cover: 1712 x 1168 pixels |
| Screen-to-body | ~90.9% | ~90.6% |
| Size | Inner: 7.6 inches; outer: 5.4 inches | Main: 7.58 inches; cover: 5.38 inches |
| Type | OLED, Super Retina XDR | Foldable AMOLED; AMOLED cover display |
PLATFORM5 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| CPU | 6 cores: 2 performance + 4 efficiency | 10-core 4.35 GHz |
| Chipset | Apple A20 Pro | Xiaomi XRing O3 (3nm) |
| GPU | 7 cores | Arm G2-Ultra NX MC16 |
| Neural engine | Dual 16-core | — |
| OS | iOS 27 | Android; 17; HyperOS 4 |
MEMORY5 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Card slot | No | No |
| Internal | 256GB / 512GB / 1TB / 2TB | 256 / 512 GB / 1 TB |
| RAM | 12GB RAM | 12 / 16 GB |
| Storage Type | — | UFS 4.1 |
| Storage/RAM variants | 256GB, 512GB, 1TB; 12GB RAM | 256 / 512 GB / 1 TB; 12 / 16 GB RAM |
MAIN CAMERA3 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Features | Dual-LED dual-tone flash, HDR, panorama | Laser AF, Color spectrum sensor, Leica lenses, LED Flash, Panorama, HDR |
| MAIN CAMERA | 48MP f/1.6 main with sensor-shift OIS + 48MP f/2.2 ultrawide | 200 MP main with OIS; 50 MP telephoto with OIS; 50 MP ultrawide |
| Video | 4K Dolby Vision up to 120fps (main) | 8K@24fps, 4K@30/60fps (Dolby Vision), 1080p@30/60/120/960fps, gyro-EIS, OIS |
SELFIE CAMERA3 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Features | HDR | HDR |
| Selfie camera | Outer: 12MP f/2.2; inner: under-display f/1.8 | 16 MP, f/2.2 |
| Video | Outer: 4K/60fps; inner: 1080p/60fps | 4K@30/60fps, 1080p@30fps |
SOUND2 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| 3.5mm jack | No | No |
| Loudspeaker | Stereo | Yes, with Stereo Speakers, Dolby Atmos |
COMMUNICATION6 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Bluetooth | 6 | 6.0, A2DP, LE, LHDC 5 |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, Galileo, QZSS, BeiDou, NavIC | Yes |
| Radio | No | No |
| USB | USB-C, USB 3 (10Gb/s), DisplayPort | USB Type-C 3.2 Gen2 |
| WLAN | Wi-Fi 7 | Wi-Fi 7 |
FEATURES1 field
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Sensors | Fingerprint, barometer, gyroscope, accelerometer, proximity, four ambient light sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer |
BATTERY3 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Capacity | 5400 mAh | 6000mAh |
| Charging Type | Wired, PD3.2, 50% in ~20 min (60W+ adapter); 25W MagSafe/Qi2 wireless | 67W wired |
| Type | Dual rechargeable lithium-ion batteries | Non-removable Si/C Li-Ion Battery |
ADDITIONAL INFORMATION6 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Colors | Night Sky; Star White | Gray, Silver, Red, Rose Gold |
| Compatibility | US model: dual eSIM; no physical SIM slot. Carrier eSIM support required. | China |
| Cooling | Vapor chamber cooling | — |
| Environmental | 35% recycled content by mass; fiber-based packaging (Apple) | — |
| Models | A3447 (US) | Xiaomi 18 Fold |
| Price in Nigeria | ₦3,900,000 | ₦3,200,000 |
TESTS1 field
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Battery Endurance | Video playback: up to 44 h on outer display or 31 h on inner display (Apple manufacturer test) | — |
SECURITY3 fields
| Specification | iPhone Duo | 18 Fold |
|---|---|---|
| Anti-theft | Find My with Activation Lock when enabled | — |
| Data Protection | Secure Enclave protects cryptographic keys; device passcode protection | — |
| Security | Touch ID fingerprint reader in the side button | Side-mounted fingerprint sensor |