Ynlieding
Welcome to the NUU B40 5G user manual. This guide provides essential information for setting up, operating, maintaining, and troubleshooting your new device. Please read thoroughly to ensure optimal performance and longevity of your smartphone.
Wat is yn 'e doaze
Your NUU B40 5G package includes the following items:
- NUU B40 5G smartphone
- Stromadapter
- USB Kabel
- Phone Case

Image: NUU B40 5G smartphone and included accessories.
Opsette
Apparaat oerview
Familiarize yourself with the physical components of your NUU B40 5G.
- Haadskerm: 6.7-inch FHD+ AMOLED (1080 x 2400 resolution, 120Hz refresh rate).
- Vista Display: 1.6-inch rear AMOLED (228 x 460 resolution).
- Efterkamera's: 64MP main, 2MP macro.
- Foarste kamera: 16MP.
- Poarten: USB Type-C (charging/audio).
- Knoppen: Power button, Volume up/down.
- SIM-lade: Stipe foar dûbele SIM-kaart.

Ofbylding: Foar- en efterkant view of the NUU B40 5G smartphone, highlighting the main and Vista displays, and camera module.
SIM Card Ynstallaasje
The NUU B40 5G supports dual SIM cards. Follow these steps to install your SIM card(s):
- Sykje de SIM-kaartlade oan 'e kant fan it apparaat.
- Insert the SIM ejector tool (included in the box) into the small hole on the SIM tray.
- Druk foarsichtich oant de lade derút springt.
- Plak jo Nano-SIM-kaart(en) yn 'e lade mei de gouden kontakten nei ûnderen wiisd.
- Doch de lade foarsichtich werom yn 'e tillefoan.
Earste ynskeakeljen en ynstelling
Om jo apparaat foar it earst oan te setten:
- Press and hold the Power button on the right side of the phone until the NUU logo appears.
- Folgje de ynstruksjes op it skerm om de earste ynstelling te foltôgjen, ynklusyf taalseleksje, Wi-Fi-ferbining en ynstelling fan Google-akkount.
Operating Instructions
Main Display Usage
The 6.7-inch FHD+ AMOLED display offers vibrant visuals and a smooth 120Hz refresh rate for an immersive user experience. Navigate through apps, browse the web, and enjoy multimedia content with clarity.
Vista Display Usage
The 1.6-inch rear Vista Display provides quick access to essential information and controls without needing to open your main screen. This dual-display feature is designed for convenience and productivity.

Image: The NUU B40 5G's Vista Display showcasing music controls, messages, selfie mode, date/time, battery status, and call information.
Kameragebrûk
Capture high-quality photos and videos with the NUU B40 5G's advanced camera system:
- Efterkamera: 64MP main sensor and 2MP macro lens for detailed shots. Features AI optimization for various lighting conditions.
- Foarste kamera: 16MP foar dúdlike selfies en fideoproppen.
- Fideo opname: Stipet 4K-fideo-opname mei 30 frames per sekonde.

Image: A user taking a photo with the NUU B40 5G's rear camera, demonstrating its photography capabilities.
Dual SIM-funksjonaliteit
The dual SIM feature allows you to use two different phone numbers on a single device. This is ideal for separating work and personal contacts or for international travel.
Optreden
Powered by an Octa-Core 2.5GHz processor, 8GB of RAM (expandable), and 256GB of internal storage, the NUU B40 5G delivers smooth performance for gaming, streaming, and multitasking.

Image: Diagram illustrating the MediaTek Dimensity 7025 processor, 256GB storage, and 8GB RAM of the NUU B40 5G.
Batterij en opladen
The 5000mAh battery provides all-day power. The included 33W fast charger can charge the device to 50% in approximately 28 minutes.

Image: Visual representation of the NUU B40 5G's 5000mAh battery and 33W fast charging capability.
Bestjoeringssysteem
The NUU B40 5G runs on Android 15, offering the latest features and security updates. It includes Google services and features like Google Gemini and Magic Editor.
Ûnderhâld
To ensure the longevity of your NUU B40 5G:
- Clean the screen and body regularly with a soft, lint-free cloth.
- Foarkom it bleatstellen fan it apparaat oan ekstreme temperatueren of direkte sinneljocht foar langere perioaden.
- Use only NUU-approved chargers and accessories.
Troubleshooting
As jo problemen hawwe mei jo apparaat, besykje dan de folgjende mienskiplike oplossingen:
- Apparaat wurdt net ynskeakele: Soargje derfoar dat de batterij opladen is. Ferbine de lader en besykje it opnij.
- Skerm reagearret net: Fier in twongen opnij starte út troch de oan/út-knop sawat 10-15 sekonden yn te hâlden.
- Apps dy't crashje: Clear the cache of the problematic app or reinstall it. Ensure your device's software is up to date.
- Slecht netwurksignaal: Check your SIM card installation. Restart the device. Contact your carrier if the issue persists.
Spesifikaasjes
| Merk | NUU |
| Model Namme | B40 5G |
| Bestjoeringssysteem | Android 15 |
| CPU snelheid | 2.5 GHz Octa-Core |
| RAAM | 8 GB |
| Opslach | 256 GB |
| Haadskermgrutte | 6.7 inch AMOLED |
| Resolúsje fan it haadskerm | 1080 x 2400 |
| Ferfarskje Rate | 120 Hz |
| Vista Display Size | 1.6 inch AMOLED |
| Rear Kamera | 64 MP + 2 MP Macro |
| Front Kamera | 16 MP |
| Batterij Kapasiteit | 5000 mAh |
| Fast Charging | 33W |
| Gewicht | 6.6 ounces (187 gram) |
| Special Features | Dual Display, Dual SIM, Rear display phone |
Garânsje & Support
The NUU B40 5G comes with a US 1-year warranty. For support, please refer to the contact information provided in your product packaging or visit the official NUU Mobile website.
Offisjele produktfideo's
NUU B40 5G Presents
Video: A brief presentation of the NUU B40 5G smartphone, highlighting its key features and design.
NUU B40 Unboxing
Video: An unboxing video of the NUU B40 5G, showing the phone and its accessories as they are removed from the packaging.
NUU B40 5G Unboxing
Video: Another unboxing video for the NUU B40 5G, detailing the contents and initial look of the device.
NUU B40 Selfie
Video: A short clip demonstrating the selfie camera capabilities of the NUU B40 5G.
NUU B40 5G Tap into your unique life
Fideo: In promoasjefideo-showasing the lifestyle integration and features of the NUU B40 5G.





