1. Introduzione
The XIAOMI Redmi 15 5G NFC is a feature-rich smartphone designed for reliable performance and an immersive user experience. This manual provides essential information for setting up, operating, and maintaining your device.
E caratteristiche chjave includenu:
- Massive 7000mAh (typ) battery for extended usage.
- Powered by Snapdragon® 6s Gen 3 with 5G for fast and reliable performance.
- Immersive 6.9" FHD+ display with up to 144Hz high refresh rate.
- Quad-curved design for comfort in hand.
- IP64 resistenza à a polvera è l'acqua.
- 50MP AI dual camera system with creative AI tools.
- Up to 16GB RAM with Memory extension for smoother performance.
2. Setup
2.1. Cuntenutu di u pacchettu
Prima di principià, assicuratevi chì tutti l'articuli sianu prisenti in a scatula:
- XIAOMI Redmi 15 5G NFC Smartphone
- Casu di u telefuninu
- Cavu USB
- SIM Ejector Tool (usually found with documentation)
2.2. Inserimentu di a carta (e) SIM è di a carta MicroSD
The Redmi 15 5G NFC supports Dual SIM functionality and a hybrid slot for either a second SIM or a microSD card.
- Truvate u cassettu di a carta SIM à u latu di u dispusitivu.
- Inserite u strumentu d'espulsione di a SIM in u picculu foru accantu à u vassoio è spinghje delicatamente finu à chì u vassoio esce fora.
- Pone a vostra carta Nano-SIM è/o carta microSD in l'appositi slot nantu à u vassoio. Assicuratevi chì i cuntatti d'oru sianu rivolti in ghjò.
- Spinghje cù cura u vassoio in u dispusitivu finu à ch'ellu sia à livellu cù u latu.

Figura 1: Side view of the Redmi 15 5G NFC, highlighting the SIM card tray location.
2.3. Powering On / Off
- Per accende: Appughjà è tene premutu u buttone di accensione (situatu à u latu) finu à chì appare u logu Xiaomi.
- Per spegne: Press and hold the Power button until the power options appear on the screen, then tap "Power off".
- Per riavvià: Press and hold the Power button until the power options appear, then tap "Restart".
3. Operating Your Device
3.1. Funzioni di visualizazione
The device features an immersive 6.9" FHD+ DotDisplay with a resolution of 2340 × 1080 pixels and a pixel density of 374 PPI. The refresh rate can be adjusted up to 144Hz for supported applications, providing a smoother visual experience. It also boasts a touch sampFrequenza di ling finu à 288Hz per una interazione reattiva.

Figura 2: Fronte view of the Redmi 15 5G NFC, showcasing u so grande display.
Additional display features include:
- Luminosità: 700 nits (typ) and 850 nits HBM for clear visibility in various lighting conditions.
- Cura di l'ochji: TÜV Rheinland Low Blue Light (Software Solution) Certified, TÜV Rheinland Circadian Friendly Certified, and TÜV Rheinland Flicker Free Certified for comfortable viewing.
- Wet Touch Technology 2.0: Ensures accurate response to touch even when fingers are wet or covered.
3.2. Prestazione
The Redmi 15 5G NFC is powered by the Snapdragon® 6s Gen 3 Mobile Platform, built on a 6nm process with an octa-core Kryo CPU (up to 2.3GHz) and Adreno GPU. This configuration delivers robust performance for everyday tasks, multitasking, and gaming.
The device supports up to 16GB RAM with Memory extension (based on the 8GB RAM version), utilizing ROM storage for additional RAM capacity, ensuring smoother operation.
3.3. Funzioni di sicurezza
- Sensore d'impronte digitali laterale: Situatu in una pusizione cunveniente per un sbloccamentu rapidu è sicuru.
- Sbloccamentu faciale AI: Provides an alternative, hands-free method for unlocking your device.
4. Funzioni di a Camera
The Redmi 15 5G NFC is equipped with a versatile camera system to capture your moments.
4.1. Sistema di camera posteriore
- Camera principale: 50MP cù un obiettivu 5P è apertura f/1.8.
- Lente ausiliaria: Supports the main camera for enhanced photography.

Figura 3: Posteriore view of the Redmi 15 5G NFC, highlighting the 50MP AI dual camera system.
4.2. Rear Camera Video Recording
- 1080p (1920x1080) HD video recording at 30 fps.
- 720p (1280x720) HD video recording at 30 fps.
4.3. Camera Frontale
- Camera frontale di 8MP cù apertura f/2.
- Features: filmCamera, HDR mode, Soft-light ring, Portrait mode, Time-lapse.
4.4. Front Camera Video Recording
- 1080p (1920x1080) HD video recording at 30 fps.
- 720p (1280x720) HD video recording at 30 fps.
5. Gestione di batterie
The Redmi 15 5G NFC is equipped with a massive 7000mAh (typical) battery, designed to provide extended usage, often lasting up to 2 days on a single charge under typical usage conditions.
5.1. Carica
The device supports 33W fast charging. For optimal charging speed and battery health, it is recommended to use the original charger and USB cable provided with the device.
6. Connectivity
The Redmi 15 5G NFC offers comprehensive connectivity options:
6.1. Compatibilità di a rete
- USA USERS: Only Works on TMOBILE - MiNT in the USA Market (Previous SIM card activated). Outside USA 4G VoLTE Worldwide Unlocked Dual Nano SIM. FCC ID: 2AFZZRN2DL.
- 5G: SA: n1/3/5/7/8/20/28/38/40/41/66/77/78/71/2/12/26/48; NSA: n1/3/5/7/8/20/28/38/40/41/66/77/78/71.
- 4G: LTE FDD: 1*/2/3/4/5/7/8*/12/13/17/18/19/20/26/28/32/66/71; LTE TDD: 38/40/41/42/48.
- 3G: WCDMA: 1/2/4/5/8/6/19.
- 2G: GSM: 2/3/5/8.
6.2. Connectivity Wireless
- Wi-Fi: Supports standard Wi-Fi protocols.
- NFC: Per pagamenti senza cuntattu è scambiu di dati.
- GPS: Integrated GPS, Glonass, Galileo, Beidou for accurate positioning.
- IR Blaster: Allows the device to function as a universal remote control for compatible appliances.
7. Software è aghjurnamenti
The Redmi 15 5G NFC runs on Xiaomi HyperOS, based on Android 15. This operating system provides a user-friendly interface, optimized performance, and access to a wide range of applications through the Google Play Store.
Regular software updates will be provided to enhance security, introduce new features, and improve overall system stability. It is recommended to keep your device's software updated to the latest version.
8. Specificazioni
| Feature | Detail |
|---|---|
| Nome di mudellu | 25057RN09E |
| Marca | XIAOMI |
| Sistema upirativu | Xiaomi HyperOS basatu annantu à Android 15 |
| Size Screen | 6.9 inch |
| Risoluzione | 2340 × 1080 |
| Frequenza di rinfrescante | Finu à 144 Hz |
| U mudellu CPU | Snapdragon 6s Gen 3 (Octa-core Kryo, up to 2.3GHz) |
| Dimensione installata di a memoria RAM | 8 GB (Up to 16GB with Memory extension) |
| Capacità di almacenamiento di memoria | 256 GB (espansibile finu à 2 TB) |
| Camera principale | 50MP AI Dual Camera (f/1.8) |
| Camera frontale | 8MP (f/2) |
| Capacità batterie | 7000 XNUMX Milliamp Ore (tipiche) |
| Tecnulugie di cunnessione | Wi-Fi, 5G, NFC, GPS |
| Funzioni spiciali | Dual Camera, Side Fingerprint Sensor, AI Face Unlock, IR Blaster |
| Pesu di l'articulu | 6 once |
| Culore | Ripple Green |
| Chì ci hè in a scatula | Phone Case, USB Cable |
9. Risoluzione di prublemi
If you encounter any issues with your Redmi 15 5G NFC, please refer to the following common solutions:
- U dispositivu ùn si accende micca: Ensure the battery is charged. Connect the device to its charger and wait a few minutes before attempting to power on again.
- L'applicazioni si bloccanu o si bloccanu: Close the problematic app and reopen it. If the issue persists, restart your device. Ensure all apps and the operating system are updated.
- Segnale di rete debule: Check your SIM card insertion. Ensure you are in an area with network coverage. Try restarting the device or toggling airplane mode on/off.
- A batteria si scarica rapidamente: Riduce a luminosità di u schermu, chjude l'applicazioni inutilizate chì funzionanu in background è disattivate e funzioni inutili cum'è GPS o Bluetooth quandu ùn sò micca in usu.
- U schermu tattile ùn risponde micca: Restart the device. If the issue continues, perform a factory reset (back up your data first).
Per prublemi più cumplessi, cuntattate l'assistenza clienti.
10. Garanzia è Supportu
Your XIAOMI Redmi 15 5G NFC is covered by a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions.
For technical support, service, or warranty claims, please visit the official XIAOMI support website or contact their customer service hotline. Keep your proof of purchase handy.





