Nano connector flex by Samsung Galaxy S21 5G premium quality

Nano connector flex for Samsung Galaxy S21 5G (SM-G991B) premium quality

Nano connector flex for Samsung Galaxy S21 5G in premium quality, compatible with technical model SM-G991B, designed to restore proper internal connection between the mainboard and other modules when signal failures, intermittent disconnections or communication issues occur due to a damaged flex. This replacement part is essential to ensure electrical continuity and correct overall device operation after repair.

The flex is manufactured with high-precision materials and tolerances matched to the device design, ensuring exact fitment and stable nano connector engagement. Its design allows direct installation without modifications, making it suitable for professional repair environments. It is intended for technicians and repair shops seeking reliability, durability and reduced post-repair issues. Full functional testing before final device closure is recommended.

Installation tips

Disconnect the battery before handling the flex.

Use ESD protection during installation.

Align the nano connectors carefully without forcing.

Ensure the flex follows the original routing.

Test overall device functionality before closing.

Technical table

Brand | Compatible models | Technical model | Part number (Part No) | Component type | Dimensions | Capacity/Voltage | Quality
Samsung | Samsung Galaxy S21 5G | SM-G991B | — | Nano connector flex | — | — | Premium