
Is your Samsung Galaxy S21 suddenly not wireless charging? Or is Samsung Pay failing to work? These common issues often trace back to a faulty NFC Wireless Charging Flex.
Why This Flex Cable Matters
This crucial component combines two functions:
- Wireless charging coil – Receives power from Qi chargers
- NFC antenna – Enables contactless payments and data transfer
Symptoms of a Bad Flex Cable
• Wireless charging stops working intermittently
• Phone gets hot but won’t charge wirelessly
• “Wireless charging paused” error appears
• Samsung Pay fails at terminals
• NFC toggle grayed out in settings
Common Causes of Failure
✔ Physical damage from drops
✔ Liquid exposure
✔ Wear from repeated charging
✔ Manufacturing defects
The Solution: Replacement Flex Cable
Our OEM-compatible NFC Wireless Charging Flex:
• Restores fast wireless charging (up to 15W)
• Fixes all NFC functionality
• Matches original Samsung quality
• Easy to install with basic tools
Installation Tips
- Use a heat gun to soften back adhesive
- Carefully disconnect old flex cable
- Align new flex properly before securing
- Test before final reassembly
When to Replace
Consider replacement if:
• You’ve ruled out charger issues
• NFC features suddenly stopped working
• Phone was recently repaired or damaged
Final Thoughts
Don’t lose these premium features – a simple flex cable replacement can fully restore your S21’s wireless charging and NFC capabilities!
