Samsung M21/M31 Charging Board


₹ 61 ₹ 80 24% off


Supported Model
Samsung M21
Samsung M31
Samsung M215
Samsung M315
Samsung M30S
Samsung M307
Samsung F41
Samsung F415
Samsung F61
Samsung F615

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Description

Samsung M21/M31 Charging Board

The Samsung Galaxy M21 (SM-M215) and Galaxy M31 (SM-M315) utilize a nearly identical internal architecture for their lower sub-assembly. This Charging Board (Sub-PCB) is a crucial multi-functional module that acts as the gateway for power, data, and audio communication.

Below is a technical breakdown and product description in a tabular format.

Product Overview: Samsung Galaxy M21 / M31 Charging Board

Feature Detailed Specification
Compatible Models Samsung Galaxy M21 (SM-M215F), M31 (SM-M315F), M30s (SM-M307F)
Component Type Sub-PCB / Charging Port PCB Module / CC Patta
Connector Type USB Type-C 2.0 (High-durability reversible port)
Fast Charge Support Supports 15W Adaptive Fast Charging
On-Board Hardware USB-C Port, Primary Microphone, Antenna RF Terminal, Audio IC path
Main Functions Charging, Data Sync (OTG Support), Voice Input (Call Mic), Signal Reception
Material Multilayer Fiberglass (FR-4) with precision gold-plated terminals
Connection Method Main Flex Connector (ZIF/BTB) + Coaxial Antenna Snap-on
Safety Features Integrated NTC Thermistor for temperature monitoring and OVP (Overvoltage)

Key Technical Attributes

1. Adaptive Fast Charging Support

This board is fully compatible with Samsung’s 15W Adaptive Fast Charging protocol. High-quality (Full IC) versions include the necessary resistors and controller chips to communicate with the original Samsung wall charger, ensuring the "Fast Charging" notification appears on your screen.

2. Digital Audio & Microphone Integration

The Primary Microphone is pre-soldered onto this module. It is a MEMS (Micro-Electro-Mechanical System) component designed to capture high-definition voice input while ignoring ambient background noise. Replacing this board is the primary fix for callers not being able to hear you.

3. Signal Integrity & Antenna Bridge

The board features a gold-plated RF Connector that acts as a bridge for cellular and Wi-Fi signals. In premium "Full IC" versions, the board is populated with all components required to maintain maximum signal bars even in low-reception areas.

Samsung M21/M31 Charging FlexCharging Connector Flex / PCB Board for Samsung Galaxy M21/M31Samsung M21/M31 Charging Flex

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