BLU F91: Affordable 5G Smartphone with Powerful Features

BLU F91 (2022)

The BLU F91 is BLU Products’ first 5G unlocked Android smartphone, released on April 20, 2022. It targets value – focused users craving 5G connectivity, a large display, and versatile photography, with key selling points including the MediaTek Dimensity 810 5G chipset, 6.8 – inch FHD+ display, quad – rear cameras, 5000mAh battery supporting both 18W fast and 10W wireless charging, and NFC, all at a competitive price.

Core Overview & Positioning

Attribute	Details
Launch Date	April 20, 2022 (Global release)
Market Position	Mid – range unlocked 5G smartphone (BLU’s first 5G device)
Target Audience	5G early adopters, value – seeking media consumers, casual photographers, dual SIM users
Key Selling Points	6.8 – inch FHD+ IPS LCD, MediaTek Dimensity 810 5G, 48MP quad rear cameras, 5000mAh battery (18W fast + 10W wireless charging), Android 11, NFC, side – mounted fingerprint, dual SIM
Launch Price (US)	~$219.99 (unlocked, 8GB RAM + 128GB storage)
Color Options	Phantom Black, Ocean Blue, Sky White

Full Technical Specifications

Display

Type: 6.8 – inch FHD+ Infinity IPS LCD (punch – hole design)
Resolution: 1080×2460 pixels (20:9 aspect ratio, ~395 ppi)
Refresh Rate: 60Hz
Features: 16.7M colors, sunlight visibility enhancement, infinity edge design
Protection: Scratch – resistant glass (no Gorilla Glass specified)

Performance & Software

Processor: MediaTek Dimensity 810 (MT6833P, 6nm), 2×2.4GHz Cortex – A76 + 6×2.0GHz Cortex – A55 octa – core
GPU: ARM Mali – G57 MC2
Memory: 8GB LPDDR4X RAM
Storage: 128GB internal UFS 2.2 storage (expandable via microSD card up to 1TB)
Operating System: Android 11 (stock – like UI, minimal bloatware)
Software Features: Google Mobile Services (GMS), 5G network management, dual SIM support, NFC for mobile payments

Camera System

Rear Camera (Quad Setup)

Main Sensor: 48MP (f/1.8 aperture, PDAF, LED flash, Samsung GM1 sensor, 1.6μm pixel binning)
Ultra – wide Sensor: 5MP (115° field of view, f/2.2 aperture)
Macro Sensor: 2MP (f/2.4 aperture)
Depth Sensor: 2MP (f/2.4 aperture)
Video Recording: 4K @ 30fps, 1080p @ 30fps
Features: Night mode, HDR, panorama, portrait mode, macro mode

Front Camera

16MP sensor (f/2.2 aperture)
Video Recording: 1080p @ 30fps
Features: Beauty mode, face unlock, video calling support

Battery & Charging

Capacity: 5000mAh non – removable Li – Polymer battery
Charging: 18W fast charging (USB Type – C), 10W wireless charging
Battery Life: Up to 2 days of regular use, up to 15 hours talk time (5G), up to 300 hours standby (typical use)

Build & Design

Dimensions: 168.7×76.8×8.9 mm
Weight: 209 g
Build Material: Plastic back with matte finish, plastic frame
Form Factor: Dual Nano – SIM (dual stand – by)

Connectivity

Network: 5G (n2, n5, n25, n41, n66, n71, n77), 4G LTE, 3G HSPA+, 2G GSM (quad bands)
Wireless: Wi – Fi 802.11 a/b/g/n/ac, Bluetooth 5.1, GPS/GLONASS/Galileo, NFC
Ports: USB Type – C 2.0, 3.5mm headphone jack
Security: Side – mounted fingerprint scanner, AI face unlock, accelerometer, gyro, proximity, compass

Core Features & User Experience Highlights

1. First 5G Device from BLU

It broke BLU’s 4G – only streak, offering 5G connectivity at an affordable price, which is suitable for users eager to upgrade without overspending.

2. Versatile Quad – Camera System

The 48MP main sensor, 115° ultra – wide lens, macro, and depth sensors meet diverse photography needs, such as landscape, close – up, and portrait shooting.

3. Dual Charging Options

With 18W fast charging and 10W wireless charging, users can choose the charging method that suits their convenience, and the 5000mAh battery ensures long – lasting use.

4. Large FHD+ Display

The 6.8 – inch FHD+ screen delivers an immersive viewing experience for streaming and gaming, and the punch – hole design maximizes the screen – to – body ratio.

Advantages & Limitations

Advantages	Limitations
BLU’s first 5G phone with a powerful Dimensity 810 chipset	No water/dust resistance rating
Versatile quad – rear cameras for diverse photography	60Hz refresh rate (lags behind 90/120Hz competitors)
5000mAh battery with both 18W fast and 10W wireless charging	Plastic build lacks a premium feel
NFC support for mobile payments	No 4K video recording on the front camera
Large 6.8 – inch FHD+ display for immersive media consumption	Limited 5G band support (works with T – Mobile/MetroPCS, not AT&T/Verizon)

Target Markets & Use Cases

5G Value Seekers: Perfect for users who want 5G without paying a premium.
Media & Gaming Enthusiasts: The large FHD+ display and Dimensity 810 chipset offer a good media and gaming experience.
Casual Photographers: The quad – camera system meets various daily photography needs.
Dual SIM Users: Dual Nano – SIM support enables easy management of personal and work numbers.

Legacy & Market Impact

As BLU’s first 5G device, the F91 helped the brand enter the 5G market and compete with budget – friendly 5G phones like the Moto G 5G series and Nokia G 5G series. It emphasized 5G, versatile cameras, and dual charging at an affordable price, which solidified BLU’s position in the mid – range unlocked smartphone market.