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Full specifications
Every available group and stored value, aligned by field.
LAUNCH DATE3 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| Announced | 2024, November 09 | 2026, August 27 |
| Released | 2024, November | 2026-08-28 |
| Status | Available. Released 2024, November | Available |
NETWORK6 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM: 850 900 1800 1900MHz |
| 3G Bands | HSDPA 850 / 900 / 2100 | WCDMA:1/5/8 |
| 4G LTE | LTE | LTE FDD:1/3/5/7/8/20/28; LTE TDD:38/40/41 |
| 5G | No | No |
| Speed | HSPA, LTE | LTE |
| Technology | GSM / HSPA / LTE | 4G / 3G / 2G |
BODY5 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| Build | Glass front (Gorilla Glass 7i), plastic frame, plastic back; RGB ring notifications light (on the back) | Glass front, plastic back, plastic frame |
| Dimensions | 164.2 x 74.6 x 6.9 mm (6.46 x 2.94 x 0.27 in) | 169.70 x 79.14 x 8.45 mm |
| IP Rating | IP64, Dust and Water Resistant | IP65 |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 163 g (5.75 oz) | 224g |
DISPLAY9 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| Brightness | 1000 nits (HBM), 1400 nits (peak) | Brightness: 1800 nits peak brightness, 1200 nits HBM, 700 nits (typ) |
| Color | — | DCI-P3 wide color gamut |
| Features | — | Sunlight display; Reading mode |
| Protection | Corning Gorilla Glass 7i | Corning Gorilla Glass 7i, Mohs level 5 |
| Refresh Rate | 120Hz | Up to 120Hz |
| Resolution | 1080 x 2436 pixels (~393 ppi density) | 1080 x 2396 pixels (~375 ppi density) |
| Screen-to-body | ~89.1% | ~88.4% |
| Size | 6.78 inches, 109.9 cm2 | 6.99" |
| Type | AMOLED, 1B colors, 120Hz, 2160Hz PWM, 1000 nits (HBM), 1400 nits (peak) | AMOLED |
PLATFORM4 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| CPU | Octa-core (2x2.2 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | Octa-core, up to 2.9 GHz |
| Chipset | Unisoc T620 (12 nm) | Snapdragon 6s 4G Gen 2 |
| GPU | Mali-G57 MP1 | Adreno |
| OS | Android 14, up to 2 major Android upgrades, itel OS 14.5 | Xiaomi HyperOS 3 |
MEMORY5 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| Card slot | Unspecified | Expandable storage up to 2TB |
| Internal | 128GB, 256GB, 512GB; UFS 2.2 | 128GB / 256GB |
| RAM | 8GB RAM | 4 GB / 6 GB / 8 GB |
| Storage Type | UFS 2.2 | LPDDR4X + UFS2.2 |
| Storage/RAM variants | 128GB, 256GB, 512GB UFS 2.2; 8GB RAM | 128GB / 256GB; 4 GB / 6 GB / 8 GB RAM |
MAIN CAMERA3 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| MAIN CAMERA | 50 MP, f/1.6, (wide), AF; auxiliary lens | 50MP main camera, f/1.8 |
| Video | 1440p@30fps, 1080p@30fps | 1080p (1920 × 1080) HD video recording at 30 fps; 720p (1280 × 720) HD video recording at 30 fps |
SELFIE CAMERA3 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| Features | — | HDR |
| Selfie camera | 32 MP, f/2.2, 22mm (wide) | 16MP front camera, f/2.5 |
| Video | 1440p@30fps, 1080p@30fps | 1080p at 30fps; 720p at 30fps |
SOUND2 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| 3.5mm jack | No | Yes |
| Loudspeaker | Yes | Yes, with stereo speakers |
COMMUNICATION6 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| Bluetooth | Yes | 5.0 |
| NFC | Yes (market/region dependent) | Yes |
| Positioning | GPS | GPS, GLONASS, Galileo, BDS |
| Radio | Unspecified | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0, OTG |
| WLAN | Yes | Wi-Fi Protocol: 802.11a/b/g/n/ac |
FEATURES2 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| Ai | — | AI Erase Pro, AI Sky, AI Image Expansion; Circle to Search with Google, Google Gemini |
| Sensors | Fingerprint (under display, optical), unspecified sensors | Virtual Proximity sensor; Ambient light sensor; Accelerometer; Electronic compass; IR blaster |
BATTERY3 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| Capacity | 5000 mAh | 7700mAh (typ) |
| Charging Type | 18W wired, bypass charging | 45W turbo charging |
| Type | 5000 mAh | 7700 mAh, non-removable |
ADDITIONAL INFORMATION5 fields
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| Colors | Bromo Black, Meteor Titanium, Komodo Ocean | Black; Celestial Purple |
| Compatibility | — | Global specification set |
| Launch Price (USD) | $185.00 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | S686LN | 26012RN62Y, 26012RN62A, 26012RN62L |
| Price in Nigeria | ₦170,000 (Saved seller price · not yet reverified) | ₦399,000 (Saved seller price · not yet reverified) |
SECURITY1 field
| Specification | S25 Ultra | Redmi Note 17 4G |
|---|---|---|
| Security | Biometric security: Fingerprint (under display, optical). | In-screen fingerprint sensor; AI face unlock |