STK R45i

Overview

Released Jan 2018

Announced —

Price tier —

Also Known As —

Processor Spreadtrum 6531DA

CPU Speed 312MHz

RAM 32MB

Storage 32 MB

Price (USD) —

Regions USA, Canada

Regional Variants —

Warranty 3 Years

Accessories AC Charger, Manual, Standard Battery, Headphones

Software & Support

OS Custom

OS at Launch Nucleus

Current Version —

OS Updates —

Security Updates —

Custom UI —

Display

Type Color

Technology LCD (TFT)

Size 1.77"

Resolution 128 × 160

Pixel Density 121 ppi

Colors 262k

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 —

Size —

Resolution —

Color Type —

Colors —

Camera — Main

Main Camera VGA (640 x 480)MP

Flash No

Sensor Name —

Sensor Size —

Focal Length (Main) —

Focal Length (Ultrawide) —

Focal Length (Telephoto) —

Optical Zoom —

Digital Zoom —

Video Resolution —

Video FPS —

Video Length —

Video Formats 3GP / 3GPP

Features —

Additional Info —

Camera — Front

Front Camera

Video Recording

Resolution —

Video Resolution —

Video FPS —

Zoom

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 Spreadtrum 6531DA

Process Node —

GPU —

RAM 32MB

Storage 32 MB

AnTuTu v11 —

Geekbench 6 Single —

Geekbench 6 Multi —

Geekbench 5 Single —

Geekbench 5 Multi —

Battery

Capacity 600 mAh

Type Lithium-Ion (Li-Ion)

Removable

Fast Charging —

Wireless Charging —

Comes with Charger —

Talk Time 2h 00m

Video Playback —

Internet (WiFi) —

Internet (Cellular) —

Standby 5h 00m

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 —

WiFi Version —

Bluetooth 2.1

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

Bluetooth Codecs SBC

USB Type Micro-USB 2.0

USB OTG

USB Speed —

NFC

Infrared

Headset Jack 3.5mm

Mobile Hotspot

GPS

GPS Type —

UWB

Satellite —

Memory Expansion

Expansion Type MicroSD, MicroSDHC

Expansion Capacity 32MB

Cellular

Networks GPRS

2G MHz

850 900 1800 1900

Data —

VoLTE

WiFi Calling

Physical SIM Mini-SIM

Dual SIM

eSIM

Push to Talk

Data Tethering

Design & Build

Form Factor Bar

Material Plastic

Frame Material —

Rear Material —

Colors Black & White, Black & Blue, Black & Red, Space Black

Dimensions 11.1 × 4.7 × 1.45 cm (4.37 × 1.85 × 0.57 in)

Weight 68g

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 0.294 W/kg

SAR Body 0.747 W/kg

Hearing Aid Compatible

TTY/TDD

More

Additional Information —

Additional Comments

Built-in Flashlight.

Related Links —

Manual Download PDF

Quick Start Guide —