What is the frequency bands of the Ulefone Armor 28 Ultra?

5G: NR Sub6: N1/2/3/5/7/8/20/25/28/38/40/41/66/71/77/78/79 4G: LTE-FDD: B1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28A/28B/66/71 LTE-TDD: B34/38/39/40/41 3G: WCDMA: B1/2/4/5/6/8/19 2G: GSM: B2/3/5/8 CDMA: BC0/BC1/BC10

Which carriers is it compatible with?

Compatible with most carriers such as T-Mobile, Metro PCS, Mint Mobile and others. Check compatibility with your local bands before purchase! (Not compatible with AT&T or Cricket)

What to do if your Armor 28 Ultra can't work with your carrier?

You need to activate the SIM card on a existing phone which supports your carrier. After you receive the initial activation texts or get 4G signal, put the SIM card back into your Armor 28 Ultra.

How to activate the virtual 16GB memory expansion?

The Virtual Memory Expansion can be activated in Settings and adds up to 16GB of RAM. Some software may not be compatible with this feature.

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Ulefone Armor 28 Ultra 5G AI Rugged Phone, 32GB+1TB/2TB Expansion, MTK Dimensity 9300+ 12-Core, 6.67" AMLOD Dual Screen, 64MP+50MP+50MP Real Camera, 120W, IP68/IP69K, 8K Video, Widevine L1, Android 15

Ulefone Armor 28 Ultra 5G AI Rugged Phone, 32GB+1TB/2TB Expansion, MTK Dimensity 9300+ 12-Core, 6.67" AMLOD Dual Screen, 64MP+50MP+50MP Real Camera, 120W, IP68/IP69K, 8K Video, Widevine L1, Android 15

Product ID: 707174699

Details

Brand
Ulefone
CPU Model
Mediatek 9300
CPU Speed
3.4 GHz
Memory Storage Capacity
1024 GB
Model Name
Armor 28 Ultra
Operating System
Android 15

⚡120W Ultra-Fast Charging

📶Global 5G Dual SIM

📸64MP Triple Camera System

Description

📱 Rugged power meets next-gen tech — don’t just keep up, lead the pack!

DUAL AMOLED DISPLAYS - 6.67" main + 1.04" sub-screen combo delivers ultra-smooth 120Hz visuals and always-on convenience.
RUGGED MEETS REFINED - IP68/IP69K waterproof, MIL-STD 810H tough, Gorilla Glass 5 — built to survive your boldest adventures.
POWERHOUSE PERFORMANCE - MediaTek Dimensity 9300+ 12-core CPU with 32GB RAM + 2TB expansion crushes multitasking and gaming.
CINEMA GRADE TRIPLE CAMERA - Capture every detail with 64MP night vision, 50MP ultra-wide, and 8K video recording.
UNSTOPPABLE 5 G CONNECTIVITY - Stay ahead with blazing dual SIM 5G speeds for seamless work and play anywhere.

The Ulefone Armor 28 Ultra 5G is a cutting-edge rugged smartphone featuring a blazing MediaTek Dimensity 9300+ 12-core processor, massive 32GB RAM with up to 2TB expandable storage, and a stunning 6.67" AMOLED dual-screen setup. It boasts a professional-grade 64MP triple camera system with 8K video, industry-leading 120W fast charging, and military-grade durability with IP68/IP69K water and dust resistance. Running Android 15, it’s designed for professionals who demand power, style, and resilience in any environment.

Specifications

ASIN	B0D9JJVSGZ
Additional Features	Always On Display, Dual Screen, Fast Charging Support, Rugged Body, Water Resistant
Battery Average Life	5 years
Battery Capacity	5300 milliamp_hours
Battery Description	Lithium-Polymer
Battery Power	5300 milliamp_hours
Best Sellers Rank	#134,444 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #2,449 in Cell Phones
Biometric Security Feature	Fingerprint Recognition
Brand	Ulefone
Built-In Media	AC power charger (100~240V), Lanyard, SIM Tray Ejector, Screen Protector, Type-C to Type-C Data cable (100cm)
Camera Description	50MP Main Camera (FOV 85°, ƒ/1.9) + 64MP Night Vision Camera (FOV 79.4°, ƒ/1.79) + 50MP Ultrawide Lens (FOV 117.3°, ƒ/2.2)
Cellular Technology	5G
Color	Black
Connectivity Technology	Bluetooth 5.4, Infrared, NFC, USB 3.2, Wi-Fi 7
Connector Type	USB Type C
Customer Reviews	4.2 4.2 out of 5 stars (25)
Display Pixel Density	395 pixels_per_inch
Display Resolution Maximum	1080 x 2400 FHD+ pixels
Display Type	AMOLED
Effective Video Resolution	8 kilopixel
Flash Memory Supported Size Maximum	2 TB
Form Factor	Touch Screen
Frame Rate	30, 60, 120 fps
Front Photo Sensor Resolution	50 mp
GPS Geotagging Functionality	True
Headphones Jack	3.5 mm
Human-Interface Input	Touchscreen
Item Dimensions	6.86 x 3.29 x 0.76 inches
Item Weight	450 g
Manufacturer	Ulefone
Material Features	Temperature Resistant
Memory Storage Capacity	1024 GB
Model Year	2025
Number of Front Cameras	1
Operating System	Android 15
Phone Talk Time	58 hours
Processor Series	Mediatek Dimensity 9300 Plus
Processor Speed	3.4 GHz
RAM Memory Installed	32 GB
Refresh Rate	120 hertz
Resolution	8K
SIM Card Slot Count	Dual SIM
Screen Size	6.67 inches
Shooting Modes	Night Mode
Sim Card Size	Nano
Specific Uses For Product	Camping, Construct, Outdoor
Supported Satellite Navigation System	BeiDou, GLONASS, GPS, QZSS
Video Capture Resolution	8k
Warranty Description	1 Year Warranty
Water Resistance Level	Waterproof
Wireless Network Technology	GSM
Wireless Provider	Unlocked

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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