ODM 4 Inch Built-in Front NFC Android Mobile Phone with Charging Stand

• Customization: Available
• Network Standard: WiFi
• Style: Smart Mobile Phone, Business Mobile Phone
• Model NO.: NF400
• Screen Size: 3.97"
• CPU: Quad Core
• Operation System: Android
• Front Camera Pixel: Optional
• Rear Camera Pixel: Optional
• RAM Capacity: 3GB
• ROM Capacity: 32GB
• Main Screen Resolution: 480 X (RGB) X 800 VGA IPS
• Battery Capacity: 2500mAh
• Removable Battery: No
• Screen Material: IPS
• Data interface: Type-C
• Design: Touch
• Storage Expansion: Supported
• NFC Reader: Built-in Front NFC
• Compact Design: 4-Inch Display for Portability and Ease of Use
• Charging Stand: Includes a Charging Dock for Convenient Use
• Customizable: Supports ODM Branding and Software Customization
• Branding: Custom Logos and Packaging
• Software: Pre-Installed Apps or Custom Android OS
• Display: 4-Inch Touch Screen, High Resolution
• LCD Protector: Anti-Scratch Glass Optional
• OS: Android 14 (Upgradeable)
• Processor: Unisoc T310 Quad-Core CPU for Reliable Performance
• Speaker: 2 Box Speakers
• Camera: No Camera
• Battery: 3.7V/2500mAh
• Connectivity: Wi-Fi, Bluetooth, USB Type-C
• Certifications: CE, FCC, RoHS (Optional)
• Transport Package: Giftbox
• Specification: TBD
• Trademark: OEM/ ODM/ White-label
• Origin: Shenzhen, Guangdong, China
• Production Capacity: 50000PCS/Month

Product Description

Product Overview

 

4-inch Android NFC Smartphone for POS Solution

This customized Android smartphone is purpose-built for professional applications such as NFC contactless payments, card reading, and scanning. Designed with a docking charging station (via USB-C or optional pogo pins), it ensures 24/7 operational reliability.

 

Tailored for business and enterprise use, this device supports SoftPOS integration and other advanced payment solutions. Unlike consumer-grade smartphones, it serves as a flexible hardware platform, fully customizable to meet the unique needs of professional and enterprise environments.

Product Details

 

4-inch Android NFC Smartphone Details

 

Key Features

 

* Android 14 with GMS Certification: Smooth performance and access to Google services.

* 4-Inch IPS Display: Ultra-clear screen for seamless operations.
* NFC Technology: Supports front NFC for contactless payments and card reading.
* Dual Bands WiFi: High-speed connectivity with dual bands wifi support for versatile use.
* Docking Design: Easy connection and charging with the docking station.

* Powerful Battery: 2500mAh battery with charging stand to support all-day use.
* Customizable ODM Design: Tailored solutions for branding, software pre-installation, and shell design.

Application Scenarios

 

* Retail Payments: Perfect for tap-to-pay and checkout counters.

* Quick-Service Restaurants: Streamline mobile ordering and payment solutions.

* Logistics & Delivery: Manage real-time payments and package tracking.

* Smart Access Control: NFC-enabled solutions for membership cards and entry systems.

4-inch Android NFC Smartphone Specification
Chipset & Platform
CPU	Unisoc T310  ARM DynamIQ®Cortex-A75 2.0GHz*1 ARM DynamIQ®Cortex-A55 1.8GHz*3
RAM	2/3/4/6g
ROM	32/64/128g
OS	Android 14
Display
Screen	3.97inch 480 x (RGB) x 800 VGA IPS
LCD Protector	Anti-scratch glass optional
Wireless
WiFi	802.11ac/a/b/g/n 2.4G+5G
Bluetooth	Bluetooth 5.0
Cellular	4G&3G&2G Optional
NFC	Yes, front NFC
Camera & Speaker
Front Camera	N/A
Rear Camera	N/A
Speaker	2 box speakers
I/O Ports
Interface	Type-C/pogo-pin*1
Button	POWER key,Vol+ key,Vol- key
Power Supply
Battery	3.7V/2500mAh Lithium-ion polymer battery
Charging Port	Docking Charging
Functions
GPS	Support
G-sensor	Support
FM	Support
Distance Sensor	Support
Light Sensor	Support
Mechnical
Dimensions	TBD
Weight	TBD
Housing Material	Plastic
Certifications
Type	CE,FCC,RoHS,KC...(Optional)

 

4 inch Android NFC Smartphone Accessories

Including in the Packaging

1x Smartphone

1x Charging Stand

1x AC/DC Adapter

1x USB Cable

1x Manual

1x Warranty Card

Company Profile

 

Pretech International Co., Limited, founded in 2010, specializes in Android and Linux-based smart display solutions for control consoles. We offer fully customized solutions ranging from 3 inches to 100 inches, as well as off-the-shelf options, focusing on technical development, balancing quality and cost, and providing excellent sales service. Our smart panels feature a variety of functions such as 5G, LTE, Wi-Fi, POE, RS485, KNX, Bluetooth, Zigbee, ZWave, Thread, Matter, NFC, 1D TOF, 3D TOF, IR, RF, AI acceleration etc... providing excellent HMI(human-machine interface) experience.

 

Our professional R&D, sales, and service teams have extensive experience, successfully delivering numerous large ODM and OEM custom projects. We focus on hardware and OS development, also including integrated MDM and OTA applications, ensuring high quality and cost-efficiency while providing exceptional service.

Our Services

 

Custom Hardware (ODM) for Various Industries

We offer ODM solutions for certain customers who have specific needs which can't be satisfied by existing devices on the market. Our custom hardware can apply to various industries such as Home Automation, Intercom and Security System, In-vehicle Infotainment, Smart Sport, Healthcare, Home Appliances, Advertising Kiosk, Payment Systems, Education, and more...

 

From a product concept, industrila design solution, mechanical design solution to the finished product production.
 

Tooling ID Design; MD Design	Hardware PCBA Schematic Design PCB Layout PCBA Debugging Proofing and Debugging of Peripheral components
Software Drivers Debugging Customization Debug Pre-installed applications	Accessories Smart Cover Docking Charging Station Charging Bracket/Dock Magnetic Back Clip Wall Mount Stylus Pen And more...

Customer Feedback

Factory Overview

 

Factory Capability

 

Factory Area
12000 m2

Capacity
Smart Panel PC 250K pcs/month

Product Line
8 Production lines

Quality Control Capability

System Certification ISO14001:2015 ISO9001: 2015 IATF16949:2016 ISO45001:2018	Product Traceability Each product has a unique OR code or Serial number which represents the identity and production processand traceability of the production process
Test Laboratory -Reliablity test Lab: Our products are rigorously tested for durability and reliability in various conditions. -RF Lab: Network analyzers, signal generators, WIFI/ Bluetooth testers, spectrum analyzers, sweepers, etc in the R&D process.	Quality Management Tools 1.FMEA (Failure Mode and Effects Analysis) 2.PPAP (Production Part Approval Process) 3.ECN (Engineering Change Notice) 4.SPC/CPK (Statistical Process Control / Capability Index - CPK) 5.Tests and Statistics

Packaging & Shipping

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.

FAQ

Q: Can I customize the hardware of this smartphone?
A: Yes, we offer OEM/ODM services, including hardware modifications like adding POE, USB-C, or HDMI, and removing the camera or battery.

Q: Do you support software development?
A: We handle system and driver-level development, while application-level development is done by the client or a third-party developer.

Q: Which operating systems do you support for development?
A: We support custom development based on Android, Windows, Linux, and Ubuntu OS

Q: Does this smartphone support Android GMS (Google Mobile Service)?
A: Yes, it's fully compatible with Android 14 GMS for smooth app integration.

Q: What payment applications can it support?
A: This smartphone is ideal for SoftPOS systems, contactless payments, and other payment applications.

Q: Do you support SDK services?
A: Yes, we offer SDK (Software Development Kit) services.

Q: Can you provide prototype samples?
A: Yes, we can provide prototype samples before bulk orders based on detailed requirements.

Q: What's the typical ODM product development timeline?
A: It usually takes 3-5 months, depending on project complexity.

Q: How is ODM device development cost calculated?
A: Development costs are divided into tooling design and PCBA development, depending on the project specifics.

Q: Can we sign an NDA?
A: Yes, we can sign an NDA.

Q: How is intellectual property handled?
A: IP is jointly developed between the client and Pretech, with ownership based on the agreement.

Q: What's your After-sales Service Details:
* 1-year warranty for all products (excluding accessories, can extend it to 2 years or more upon request), with repair or
replacement for quality issues.
* Clients handling local service will receive recommendations for spare parts (PCBA/LCD/touch panel/battery, etc.).
* We provide assembly and repair videos, and technical staff training if necessary.
* Lifetime technical support.

With 14+ years of experience in IoT and HMI solutions, we offer ODM services including hardware customization, OS modifications, and branding options to meet your specific business needs.

Looking for a customized solution? Let's talk today!