Samsung Galaxy S21 5G G991B Charging Port

Charging Port for Samsung Galaxy S21 5G: USB-C Connector for Effective Repair

This charging port has been specifically designed to restore power connection and data transfer on the Samsung Galaxy S21 5G. It is the ideal solution to replace the USB-C connector board damaged by mechanical wear or moisture infiltration.

Technical Specifications

• Part type: Charging port and USB-C connector
• Compatibility: Samsung Galaxy S21 5G (SM-G991B, SM-G991B/DS)
• Quality: Compatible

When to Replace

• The phone does not detect the charging cable or shows constant bad contact.
• Fast charging does not work or the device shuts down when plugged in.
• The computer does not recognise the Samsung Galaxy S21 5G via USB-C data cable.
• Moisture warning messages on the connector even after complete drying — confirm diagnosis.

Notes for the Technician

• Test before applying: before fixing, confirm charging and, if applicable, data transfer and microphone. Thus, if there is any issue, return or warranty is handled quickly and simply.
• Installation difficulty: Medium.
• The process requires heating and detaching the glass back cover; new adhesive sold separately.
• It is necessary to disassemble the lower antenna with loudspeaker module to access the secondary charging board.
• Handle with care the main interconnect flex cable and the antenna coaxial cables connected to this board.
• Check the cleanliness of the bottom microphone and perform charging and sound pass tests after assembly.

What Distinguishes This Version

This high-end compatible board has been thoroughly selected to ensure a reliable workbench intervention. It is the suitable option for professional technicians seeking to restore fast charging and connectivity with excellent value for money.

Frequently Asked Questions

Is this charging port compatible with the Samsung Galaxy S21 Plus or S21 Ultra?
No, this component has been designed solely for the internal dimensions and connections of the Samsung Galaxy S21 5G model (SM-G991B).

Does replacing this board resolve failures in the main call microphone?
If the audio failure stems from dirt or physical damage to the microphone integrated into the charging board, this replacement resolves the issue, provided the main circuit is functional.