The Samsung Galaxy A32 4G (SM-A325) and Samsung Galaxy M32 4G (SM-M325) are built on a similar internal architecture, allowing them to share the same Original (OG) Charging Board (Sub-PCB). This component is the primary hub for power intake, voice input, and cellular signal bridging. Below is the exhaustive technical description and specification breakdown in a tabular format. 1. Full IC Architecture Unlike "Copy" or "Market" boards, the OG (Original) board is fully populated with all essential ICs (Integrated Circuits). These chips regulate power flow to prevent the battery from overheating and manage the network signal to ensure you don't experience "Emergency Calls Only" issues. 2. HD Digital Microphone The primary microphone is pre-soldered with precision. The OG version uses a high-sensitivity digital mic that filters out background noise, ensuring your voice is clear during GSM and WhatsApp calls. 3. Rapid Data & OTG Support The USB Type-C port on this board supports full USB 2.0 data transfer speeds and On-The-Go (OTG) functionality. This allows you to connect pen drives, keyboards, or mice directly to your Samsung device. Overview
Product Overview: Samsung A32 / M32 4G OG Charging Board
Feature
Detailed Specification
Compatible Models
Galaxy A32 4G (SM-A325F, SM-A325M) / Galaxy M32 4G (SM-M325F, SM-M325FV)
Component Type
100% OG (Original) Sub-PCB / Charging Connector Flex Board
Connector Type
USB Type-C 2.0 (High-durability reversible port)
Fast Charging
Supports 15W / 25W Fast Charging (Adaptive Fast Charging)
Integrated Hardware
USB-C Port, Digital Microphone, Antenna RF Terminal, Main Flex Socket
Main Functions
Charging, Data Sync (OTG Support), Primary Microphone (Calls), Network Signal
Signal Compatibility
2G, 3G, 4G LTE, VoLTE (No signal drop design)
Build Quality
Multilayer PCB with Full IC & Protection Components
Safety Features
ESD Protection, Overvoltage Protection (OVP), NTC (Thermal Sensor)
Key Technical Attributes of the "OG" Quality

| Weight |
0.007 kg |
|---|

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