Does the phone support dual SIM cards?

Yes, it supports Dual Card & Dual Standby functionality.

What is the screen size and resolution?

It has a 2.8-inch touch screen with a resolution of 320x240px.

2.8 Inch 4G LTE Android Smart Phone with Keypad Support 4G Video Calling for Seniors

Name: 2.8 Inch 4G LTE Android Smart Phone with Keypad Support 4G Video Calling for Seniors
Brand: Shenzhen Connectech Technology Co., Ltd.
SKU: 2135248115

Guangdong, ChinaShenzhen Connectech Technology Co., Ltd.

US$48.50

100-499 Pieces

US$45.60

500-1,999 Pieces

US$41.80

2,000+ Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Network Standard

4G, 3G, GSM

Style

Smart Mobile Phone, TV Mobile Phone, Business Mobile Phone, Camera Mobile Phone, Music Mobile Phone, Elderly Mobile Phone, Game Mobile Phone

Model NO.

R17

Screen Size

2.6-3.0"

CPU

Quad Core

Operation System

Android

SIM Card Slot

2 SIM

Front Camera Pixel

0.3MP-2MP

Rear Camera Pixel

1.01MP-2MP

RAM Capacity

2GB

ROM Capacity

16GB

Main Screen Resolution

QVGA 240×320

Battery Capacity

2001mAh-3000mAh

Removable Battery

Yes

Screen Material

IPS

Screen Narrow Border

2-3mm

Data interface

Type-C

Display Color

16000k Color

Design

Bar

Storage Expansion

Supported

Kery Word

Doov Mobile Phone

Price

Unbeatable in Market

Quality

Top Quality

Service

Professional After-Sale Service

Color

Gey, White, Blue

Bt

V4.1

Speaker

2030 Box Speaker

SIM

Dual Card & Dual Standby

Network

4G+3G+2g+WiFi

Wireless Radio

Support

NFC

Support

Play Store

Support

Youtube

Support

Transport Package

Carton Box

Specification

132.5*56*14.1mm

Trademark

DOOV

Origin

Guangdong

Production Capacity

10000PCS/Month

Key features

Android 11 OS: Powered by the latest Android 11 operating system for smooth performance.

4G Video Calling: Supports 4G video calling, ideal for seniors to stay connected.

Dual SIM Support: Features dual SIM slots with dual standby capability for flexibility.

Removable Battery: Equipped with a removable 2100mAh lithium battery for easy replacement.

Metal Frame Design: Durable metal frame with nano-electroplating gradient colorful back cover.

Keypad & Torch: Includes 21 keys and an LED torch key for enhanced usability.

Expandable Storage: 16GB ROM with support for TF card expansion up to 64GB.

Multi-App Support: Supports Play Store, WhatsApp, and YouTube for comprehensive use.

Company profile

Fast DeliveryQuality AssuranceR&D CapabilitiesProduct Certification

Shenzhen Connectech Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2011-03-08Nearest Port: Yantian, HongkongAverage Response Time: ≤7.07hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, DDP, CIP, CPT, FCA, EXW, CFR, DAP

AI-Powered supplier vetting

SummaryShenzhen Connectech Technology Co., Ltd. is identified as a manufacturer/factory in Shenzhen, China, focused on mobile smart terminals and consumer electronics. The supplier reports three production lines, 11–20 R&D engineers, 11–20 quality-control staff, and stated annual outputs of 3,000,000 mobile phones plus 50,000 units each of tablet PCs, smart walkie-talkies, and handheld PDAs. It reports ISO 9001 certification and multiple product-related certifications, including CE, FCC, and RoHS. Evidence supports production scale, relevant technical focus, and international market exposure, with exports to more than 50 countries and regions. However, the provided information does not sufficiently establish after-sales processes, customization execution, detailed financial credibility, or named customer case outcomes.

Supplier typeThe supplier is explicitly identified as a manufacturer/factory and limited company based in Shenzhen, Guangdong, China. Its stated business focuses on research, development, production, and sales of mobile smart terminals.

CertificationsThe supplier reports ISO 9001 certification and states that its products have obtained CE, FCC, RoHS, appearance patents, software copyrights, explosion-proof certification, and GSMA-related certifications. These claims indicate documented quality-system and product-compliance coverage, although the provided slices do not include certificate numbers or validity dates.

R&D capabilityThe supplier reports 11–20 years of total R&D-engineer experience, describes itself as a national high-tech enterprise focused on mobile smart terminals, and states that it continuously innovates to meet diverse customer needs. Its product and intellectual-property claims further support innovation activity, although no specific R&D spending, patent count, or development timeline is provided.

Production capacityThe supplier reports three production lines, 11–20 quality-control staff, and stated output of 3,000,000 mobile phones plus 50,000 units each of tablet PCs, smart walkie-talkies, and handheld PDAs. It also describes automated equipment, intelligent manufacturing, an efficient production line, and ISO 9001 implementation, providing explicit evidence of established production and quality-control capacity.