Editorial Technical Reference

Smartphones

This page explains how Smartphones is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A portable electronic device that combines mobile telephony with advanced computing capabilities, internet connectivity, and multimedia functions.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Smartphones

Definition
A smartphone is a handheld mobile computing device that integrates cellular network connectivity with powerful processing capabilities, touchscreen interfaces, operating systems, and extensive software applications. It serves as a multifunctional platform for communication, productivity, entertainment, and internet access, typically featuring wireless technologies such as Wi-Fi, Bluetooth, and GPS alongside traditional voice and text messaging functions. The device operates through an integrated system architecture where a central processing unit (CPU) executes instructions from the operating system and applications. Radio frequency components manage cellular network communication via base stations, while wireless chips handle Wi-Fi, Bluetooth, and GPS signals. The touchscreen interface converts user inputs into digital signals, and various sensors (accelerometer, gyroscope, proximity, etc.) provide environmental data. Power management circuits regulate battery distribution to all components, with the operating system coordinating hardware resources and software execution. Smartphones are manufactured using materials such as aluminum alloy, Gorilla Glass, polycarbonate plastic, and lithium-ion polymer. Typical parameters include screen sizes from 5.5 to 6.8 inches, resolutions from 1080×2400 to 1440×3200 pixels, RAM capacities from 4 to 16 GB, storage capacities from 64 to 512 GB, battery capacities from 3000 to 5000 mAh, processor speeds from 2.0 to 3.2 GHz, camera resolutions from 12 to 108 MP, operating systems like Android 13–14, weights from 150 to 220 grams, water resistance ratings of IP67–IP68 per IEC 60529, operating temperatures from -20 to 45 °C, USB-C charging ports per IEC 62680, and 5G cellular connectivity per 3GPP Release 15. These values are reference ranges and must be verified for the specific model. Standards listed are procurement references, not proof of certification. For accurate specifications, consult the legal manufacturer or supplier.
Working Principle
Smartphones operate through an integrated system architecture where a central processing unit (CPU) executes instructions from the operating system and applications. Radio frequency components manage cellular network communication via base stations, while wireless chips handle Wi-Fi, Bluetooth, and GPS signals. The touchscreen interface converts user inputs into digital signals, and various sensors (accelerometer, gyroscope, proximity, etc.) provide environmental data. Power management circuits regulate battery distribution to all components, with the operating system coordinating hardware resources and software execution.
Common Materials
Aluminum alloy, Gorilla Glass, Polycarbonate plastic, Lithium-ion polymer
Technical Parameters
ParameterTypical rangeNotes & selection driver
Screen sizeRequired5.5–6.8 inchesDiagonal measurement of the display area
ResolutionRequired1080×2400–1440×3200 pixelsNumber of horizontal and vertical pixels (e.g., 1080x2340)
RAM capacityRequired4–16 GBRandom access memory available for active applications
Storage capacityRequired64–512 GBInternal flash memory for data storage
Battery capacityRequired3000–5000 mAhMilliampere-hour rating indicating battery energy storage
Processor speedRequired2.0–3.2 GHzClock speed of the central processing unit
Camera resolutionRequired12–108 MPMegapixel count of the primary rear camera
Operating systemRequiredAndroid 13–14 n/aSoftware platform (e.g., Android, iOS)
Weight150–220 gramsTotal device mass
Water resistance ratingIP67–IP68 IP ratingIngress protection classification for water and dust resistanceIEC 60529
Operating temperature-20–45 °CAmbient temperature range for normal operation
Charging portUSB-CUniversal serial bus type-CIEC 62680
Cellular connectivity5GSupports 5G NR3GPP Release 15

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Display assembly
    Visual interface for user interaction and content display
    Material: Glass panel with OLED/LCD layers and touch sensors
  • System-on-chip
    Integrated circuit containing CPU, GPU, and modem processors
    Material: Silicon semiconductor with metal interconnects
  • Battery
    Power source providing electrical energy to all components
    Material: Lithium-ion polymer cells with protective circuitry
  • Main camera module
    Primary imaging system for photography and video recording
    Material: Lens elements, image sensor, and stabilization mechanisms
  • Front camera module
    Secondary imaging system for selfies and video calls
    Material: Compact lens and sensor assembly
  • Memory module
    Storage for operating system, applications, and user data
    Material: NAND flash memory chips on circuit board
  • Wireless communication module
    Hardware for cellular, Wi-Fi, Bluetooth, and GPS connectivity
    Material: RF chips, antennas, and supporting electronics
  • Chassis
    Structural frame housing all internal components
    Material: Aluminum alloy or polycarbonate composite
  • Audio system
    Sound reproduction through speakers and microphones
    Material: Speaker drivers, microphones, and audio codec chips
  • Sensor array
    Environmental and motion detection for user interaction
    Material: Accelerometer, gyroscope, proximity, and light sensors
  • Charging port Part
    Physical interface for power input and data transfer
    Material: USB-C or Lightning connector with supporting circuitry
  • SIM card tray Part
    Holder for subscriber identity module cards
    Material: Plastic or metal frame with ejection mechanism
  • Vibration motor
    Tactile feedback mechanism for notifications
    Material: Eccentric rotating mass or linear resonant actuator
  • Headphone jack Part
    Analog audio output connector
    Material: 3.5mm TRS connector with audio circuitry
  • Power Management Circuits
    Regulate distribution of battery power to all the internal components.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Smartphones.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (1 atm) only, not pressure-rated
other spec: Humidity: 5% to 95% non-condensing, IP rating: Typically IP67/IP68 for water/dust resistance, Drop resistance: Up to 1.5m on hard surfaces
temperature: 0°C to 35°C (operational), -20°C to 45°C (storage)
Media Compatibility
✓ Indoor office environments ✓ Outdoor urban settings with weather protection ✓ Cleanroom manufacturing facilities
Unsuitable: High-vibration industrial environments (e.g., heavy machinery operation areas)
Sizing Data Required
  • Battery capacity (mAh) and expected daily usage hours
  • Required storage capacity (GB) for applications and media
  • Display size (inches) and resolution needs for intended use cases

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal Runaway
Cause: Excessive heat generation due to overcharging, high ambient temperatures, or internal short circuits, leading to battery degradation, swelling, or combustion.
Electrochemical Migration
Cause: Corrosion or dendrite formation on circuit boards from moisture ingress, humidity, or contamination, causing short circuits or component failure.
Maintenance Indicators
  • Significant battery swelling or deformation of the phone casing
  • Persistent overheating during normal use or charging, accompanied by unusual odors
Engineering Tips
  • Maintain battery charge between 20-80% and avoid extreme temperatures to reduce electrochemical stress and prolong battery cycle life
  • Use manufacturer-approved chargers and cables with proper voltage regulation to prevent overvoltage damage to power management ICs

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
CE Marking (EU Safety, Health, Environmental Requirements) IEC 62368-1 (Audio/Video, Information and Communication Technology Equipment Safety)

Quoted from the published standard.

Manufacturing Precision
  • Display Flatness: ≤0.1mm across surface
  • Enclosure Gap/Step: ≤0.15mm between components
Quality Inspection
  • Environmental Stress Screening (Temperature/Humidity/Vibration)
  • Electromagnetic Compatibility (EMC) Testing

Manufacturers of Smartphones

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Quanzhou Tesunho Electronics Co., Ltd.
Quanzhou, Fujian, CN
Founded 201515,000pcs Analog / month or 6000pcs PoC / month staffNo.605 BLDG 1, 269 Tiyu Str. FZ, QZ 362000, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Zhejiang Universe Filter Co., Ltd.
Wenzhou, Zhejiang, CN
Founded 19931000 staff80,000 square meters
ISO9001 QS9000 VDA6.1 ISO/TS16949
Also makes: Fuel Filter, Air Filter
Listed on the company's own website · profile compiled by CNFX from public sources
ZHIYUE GROUP CO. LTD
Zhejiang, CN
Founded 19916800 square meters
ISO9001 CCC CE TSE
Listed on the company's own website · profile compiled by CNFX from public sources
Boardcon Technology Limited
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Canneed Instrument (HK) Limited
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Dongguan Xinbao Instrument Co., Ltd.
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
EFPCB
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
IHUA INDUSTRIES CO.,LTD.
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
NBC
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
ORR Sensor Co., Ltd.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
PURE-AIR TECH
Dongguan, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Qingdao Jiujin Machinery Co., Ltd.
Heilongjiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
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Supply Chain Commonly Integrated Components

Vision Alignment System

A computer vision-based subsystem that ensures precise alignment of components during automated chassis assembly.

Explore Specs →
Ethernet Magnetics

Passive electronic component that provides electrical isolation, signal conditioning, and EMI filtering for Ethernet interfaces

Explore Specs →
Industrial Touchscreen Display

A ruggedized touchscreen interface component designed for industrial environments, providing visual output and user input capabilities.

Explore Specs →
Protocol License Module

A software component within a network protocol analyzer that manages licensing for multiple communication protocols.

Explore Specs →

Frequently Asked Questions

What are the typical screen sizes for smartphones?

According to directory reference data, screen sizes typically range from 5.5 to 6.8 inches (diagonal measurement). Actual values vary by model and must be confirmed with the manufacturer.

What water resistance ratings are common?

Common ratings are IP67 and IP68, as per IEC 60529. These indicate protection against dust and water immersion, but the exact rating for a specific model should be verified with the supplier.

Which operating systems are typically available?

The directory lists Android 13–14 as a reference. Other operating systems may exist, but this is the range provided. Confirm the OS version for the specific device.

What charging port standard is used?

The reference standard is USB-C, per IEC 62680. This is a common interface, but always check the manufacturer's specifications for the exact port and compliance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
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