NUU B40 5G, Cell Phone, Unlocked, Dual SIM, Dual AMOLED Display, 120Hz, 64 MP Camera, 8GB+256GB, Android 15, US Version, US 1 Yr Warranty, Midnight Grey

Product description

Experience the Future of Mobile Technology with the NUU B40 5G

Discover the NUU B40 5G — featuring a 6.7″ FHD+ AMOLED main screen, a 1.6″ rear Vista Display and Dual SIM 5G support for a smarter, more connected mobile experience.

1 Tailored for You

2 AI Main Camera lens

3 Silky Touch

4 Vista Display

5 Touch Interaction

Carrier Compatible Unlock for T-Mobile | Mint Mobile | Metro by T-Mobile | Ultra Mobile | Tello | Q Link Wireless | Gen Mobile | Carrier Compatible Unlock for Lycamobile | Patriot Mobile | Telcel America | SpeedTalk Mobile | Hello Mobile | DOES “NOT WORK” With: NO AT&T | NO Cricket Wireless | NO Verizon | NO Boost mobile | NO Tracfone | NO Pulse Cellular | NO Union Wireless | Main Camera 64MP | Front 16MP | Marco 2MP | Main Display 6.7″ AMOLEDS FHD+ 1080 x 2400 | 120 Hz | Rear Display 228 x 460 Battery 5000mAh Product Size 162.4(H) x 73.9(W) x 8.4 (L) mm 5G N2/5/25/41/48/66/71/77 4G B1/2/3/4/5/7/12/13/17/25/26/28/48/66/71 3G B1/2/4/5/8 2G B2/4/5/8 Connectivity Wi-Fi 802.11 ac/a/b/g/n (2.4GHz / 5GHz) | Bluetooth BT 5.2 | GPS with A-GPS Support | Data Cable Type-C to Type-C SIM Slot Dual SIM OS Andriod 15

Your Device for Your Needs

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Customer Reviews

4.4 out of 5 stars 68

3.5 out of 5 stars 43

4.2 out of 5 stars 243

3.9 out of 5 stars 253

4.0 out of 5 stars 455

Price

$199.99$199.99

$179.99$179.99

$99.99$99.99

$79.99$79.99

$79.99$79.99

Best For

Dual Screen and Multimedia

Gaming and Multimedia

Photography Enthusiast

Teenager Needs

Everyday Basic Tasks

Memory (RAM)

8GB

8GB

6GB + 6GB Extended RAM

6GB + 6GB Extended RAM

4GB + 4GB Extended RAM

Internal Storage

256 GB

256 GB

128GB

128GB

128GB

Network Technology

5G

5G

4G LTE

4G LTE

4G LTE

Dual Sim

✔

✔

✔

✔

✔

What can I do with the NUU B40 second display?

Without flipping your phone, you can check notifications and call previews, control music playback, monitor time, battery level, step count and selfies with the rear 64MP camera. Simple double tap activates it, faster way to stay connected.

Is the NUU B40 compatible with my carrier? Does it support Dual SIM?

The NUU B40 is a fully unlocked Dual SIM 5G phone compatible with T-Mobile, Mint Mobile, Metro, Qlink and Tello. Use two lines on one device — ideal for separating work and personal calls, or maximizing coverage on the go.

How good is the gaming performance on the NUU B40?

The NUU B40 features a 120Hz FHD+ AMOLED display, Octa-Core 2.5GHz processor and 8GB RAM for smooth, lag-free gameplay. Enjoy fluid motion, vivid colors and fast app loading — great for gaming, streaming and watching sports.

What is the camera setup on the NUU B40?

The NUU B40 has a 64MP rear camera, 2MP macro lens and 16MP front camera, all enhanced by AI optimization for sharp, clear shots in any lighting. Perfect for creators and everyday users of unlocked Android phones.

What is the battery and storage capacity of the NUU B40?

The NUU B40 packs a 5000mAh battery for long-lasting durability through gaming, streaming and heavy use. With 256GB storage and 8GB RAM, you have ample space for apps, photos and videos.

VISTA DISPLAY – DUAL DISPLAY FOR INSTANT ACCESS: Stay connected faster with this dual‑display cell phone, featuring a 1.6″ rear Vista Display for quick updates and a 6.7″ FHD+ AMOLED main screen that delivers vibrant visuals, smooth performance and an immersive experience for gaming, streaming and everyday use—optimized for dual‑display convenience and productivity.
DUAL SIM, DOUBLE THE FREEDOM: Stay connected your way with this unlock phone, offering true Dual SIM support so you can separate work and personal lines, enjoy better coverage and switch networks smoothly wherever you go.
SMOOTH GAMING PERFORMANCE: Level up your experience with NUU B40 gaming phone. Enjoy ultra-smooth 120Hz gameplay on a 6.7″ FHD+ AMOLED display that brings vibrant colors and fluid motion to life. This NUU phone delivers for gaming, streaming and watching sports.
AI-ENHANCED PHOTOGRAPHY: Capture stunning detail with a 64MP rear camera, 2MP macro camera and 16MP front camera, powered by AI optimization for crystal-clear shots in any lighting. Perfect for creators and everyday users of unlocked android phones.
FAST 5G SMARTPHONE PERFORMANCE: Dual SIM 5G cell phone. Powered by the Octa-Core 2.5GHz processor, 8GB RAM, 256GB storage and a 5000mAh battery. Support for users on T-Mobile, Mint, Metro, Qlink and Tello.