
OEM-Compatible Charging Port Board with SIM Card Reader for Samsung Galaxy S21 Plus (SM-G996U)
Restore full functionality to your Samsung Galaxy S21 Plus with this premium charging port assembly, which includes an integrated SIM card reader. This complete replacement module solves charging issues, USB connectivity problems, and SIM detection errors in one repair.
Key Features:
✅ All-in-One Solution – Combines USB-C port, SIM tray slot, and board circuitry
✅ Fast Charging Support – Maintains 25W Samsung Adaptive Fast Charging
✅ OEM-Spec Connectors – Precision-fit for SM-G996U models (U.S. variants)
✅ Durable Construction – Reinforced solder points resist wear from cable insertion
✅ Easy Installation – Plug-and-play design (no soldering required)
Why Replace Your Charging Port Board?
- Loose or broken USB-C port? Fix charging and data transfer
- SIM card not detected? Replace the integrated reader
- Water damage repair? Complete your device restoration
Compatibility:
✔ Samsung Galaxy S21 Plus 5G (SM-G996U only – U.S. models)
✔ Does not fit international variants (SM-G996B, etc.)
Installation Guide:
- Power off device and remove SIM tray
- Disconnect battery before proceeding
- Transfer flex cables from old board to new module
- Secure with screws and reassemble
Note:Â Includes necessary adhesive for water resistance Why This Repair Matters
Your charging port board handles three critical functions:
- Power delivery (charging)
- Data transfer (USB connectivity)
- SIM card detection (cellular service)
Symptoms of Failure:
- Intermittent charging
- “Moisture detected” errors (false positives)
- SIM card not recognized
- Loose USB-C connection
Professional Installation Tips:
- Use plastic tools to avoid short circuits
- Clean connector pads with isopropyl alcohol
- Test before reassembly – verify charging and SIM detection
DIY vs Professional:
âš Skill Level: Moderate (requires disassembly of rear components)
🔧 Tools Needed: Phillips #00 screwdriver, spudger, tweezers
