S10 5G ORIGINAL CHARGING RIBBON

🔧 Samsung Galaxy S10 5G Charging Ribbon Description

Part Name: Charging Port Flex Cable / Charging Dock Flex / Sub Board Flex
Compatible Model: Samsung Galaxy S10 5G (Model Numbers: SM-G977U, SM-G977N, SM-G977B)

📌 Function:

This charging ribbon (also called the sub PBA board flex) connects the USB-C charging port to the main motherboard, and supports multiple key functions:

• USB-C charging

• Data transfer (USB to PC)

• Microphone connection

• Loudspeaker and vibration motor interface

• May include antenna line contacts

📦 Typical Components on the Ribbon:

Depending on the version (OEM or aftermarket), this component can include:

🔄 When to Replace:

• Phone not charging or only charging at an angle

• No data transfer when connected to a PC

• USB-C port is physically damaged or loose

• Voice not detected (microphone issue)

• Bottom speaker not working (if connected through sub-board)

⚠️ Repair Notes:

• Device Disassembly Required: You’ll need to remove the back glass, wireless charging coil, and other components

• Professional repair is recommended unless you’re experienced with smartphone repairs

• Make sure to disconnect the battery before replacing this part to avoid short circuits

• Use OEM or high-quality replacements to preserve full functionality like fast charging