BLU Flex

Overview

Released Jun 2024

Announced —

Price tier —

Also Known As BLU B300V

Processor Qualcomm 215 Quad-core

CPU Speed 1300MHz

RAM 8GB

Storage 8 GB

Price (USD) —

Regions USA, Canada

Regional Variants —

Warranty 1 Year

Accessories USB Power Adapter, Manual, Data Cable

Software & Support

OS Custom

OS at Launch KaiOS 3.1

Current Version —

OS Updates —

Security Updates —

Custom UI —

Display

Type Color

Technology LCD

Size 2.8"

Resolution 240 × 320

Pixel Density 143 ppi

Colors —

Refresh Rate —

Touch Sampling Rate —

Peak Brightness —

Always On Display

DC Dimming

DisplayMate Grade —

Multi-touch

Fingerprint Resistant

Sensors —

Additional Features —

Secondary Display

Secondary Display

Type LCD

Size 1.77"

Resolution 120 × 160

Color Type Color

Colors —

Camera — Main

Main Camera 2MP

Flash No

Sensor Name —

Sensor Size —

Focal Length (Main) —

Focal Length (Ultrawide) —

Focal Length (Telephoto) —

Optical Zoom —

Digital Zoom —

Video Resolution HD (1280 x 720 pixels)

Video FPS —

Video Length —

Video Formats MPEG-4

Features Self-timer

Additional Info —

Camera — Front

Front Camera

Video Recording

Resolution —

Video Resolution —

Video FPS —

Zoom Unknown

Optical Zoom —

Digital Zoom —

Features —

Additional Info —

Camera — Scores

DxOMark Overall —

DxOMark Photo —

DxOMark Video —

DxOMark Zoom —

DxOMark Bokeh —

DxOMark Selfie —

DxOMark Rank —

Performance

Chip Qualcomm 215 Quad-core

Process Node —

GPU —

RAM 8GB

Storage 8 GB

AnTuTu v11 —

Geekbench 6 Single —

Geekbench 6 Multi —

Geekbench 5 Single —

Geekbench 5 Multi —

Battery

Capacity 1,450 mAh

Type Lithium-Ion (Li-Ion)

Removable

Fast Charging —

Wireless Charging —

Comes with Charger —

Talk Time 6h 28m

Video Playback —

Internet (WiFi) —

Internet (Cellular) —

Standby 12h 48m

Mixed Usage —

Charge Time 0–100% —

Charged in 30 Min —

GSMArena Score —

Battery Test Source —

Battery Life (Call) —

Battery Life (Video) —

Battery Life (Web) —

Battery Life (Gaming) —

Connectivity

Wi-Fi Wi-Fi a/b/g/n/ac

WiFi Version —

Bluetooth 4.2

Bluetooth Profiles A2DP, AVRCP, OPP/FTP, HID, HFP, HSP, PAN

Bluetooth Codecs —

USB Type USB Type-C

USB OTG

USB Speed —

NFC

Infrared

Headset Jack 3.5mm

Mobile Hotspot

GPS

GPS Type —

UWB

Satellite —

Memory Expansion

Expansion Type MicroSD, MicroSDHC, microSDXC

Expansion Capacity 128MB

Cellular

Networks LTE, HSDPA

LTE MHz

LTE (700) LTE (850) LTE (1700) LTE (1900)

3G MHz

850 1700 1900

2G MHz

850 1900

Data 4G/LTE

VoLTE

WiFi Calling

Physical SIM Nano-SIM

Dual SIM

eSIM

Push to Talk

Data Tethering

Design & Build

Form Factor Flip

Material Plastic

Frame Material —

Rear Material —

Colors Black

Dimensions 10.9 × 5.78 × 2.1 cm (4.29 × 2.28 × 0.83 in)

Weight 130g

IP Rating —

Water Resistance No

Fingerprint Sensor No

Rugged Design

iFixit Score —

Parts Availability —

Audio

External Speakers Yes

Noise Cancellation

Dolby Atmos

Hi-Res Audio

FM Radio —

GSMArena Loudness —

Speaker Loudness —

Input & Navigation

Touchscreen

Navigation Type D-pad

Keyboard Type Standard / 12-key Numeric

Home Key

Sleep/Wake Key

External Volume

Safety

SAR Head 0.84 W/kg

SAR Body 1.24 W/kg

Hearing Aid Compatible

TTY/TDD

More

Additional Information —

Additional Comments —

Related Links Official Website

Manual Download PDF

Quick Start Guide —