Xiaomi 11T 11T Pro Main Flex

Main Flex for Xiaomi 11T and 11T Pro: Motherboard and Sub-Board Interconnection Link

This main flex establishes data communication and power supply between the main board and the charging board in the Xiaomi 11T and Xiaomi 11T Pro. This is an original Xiaomi replacement part, suitable for restoring the internal circuit of the phone when the interconnection flex cable is damaged or worn.

Technical Specifications

• Part type: Main connection flex (interconnection)
• Compatibility: Xiaomi 11T (21081111RG); Xiaomi 11T Pro (2107113SG, 2107113SI, 2107113SR)
• Quality: Original — Pulled

When to Replace

• The phone does not charge or shows unstable charging — confirm the diagnosis.
• No data communication via USB port.
• Bottom microphone or speaker with no sound output — confirm the diagnosis.
• Flex cable damaged, creased or torn during a previous repair.

Notes for the Technician

• Test before applying: connect the part to the device and confirm its operation before securing or gluing it definitively. Thus, if there is any issue, the return or warranty is handled quickly and simply.
• Difficulty: Medium.
• The procedure requires removing the back cover and the upper and lower protective plastic shields.
• Disconnect the battery before handling or unplugging the FPC connectors to prevent short circuits.
• Ensure correct alignment of the connectors on the motherboard and sub-board before pressing to avoid bending the pins.
• Fixing adhesive for closing the cover sold separately.

What Distinguishes This Version

This version consists of a component removed from equipment, manufactured by the brand to ensure total correspondence in dimensions and connectors. It is the recommended choice for professional technicians looking to maintain electrical parameters and factory reliability during repair.

Frequently Asked Questions

Is this flex cable the same for the Xiaomi 11T and the Xiaomi 11T Pro?
Yes, the Xiaomi 11T and Xiaomi 11T Pro share the same interconnection wiring architecture between the motherboard and the charging board, making the part compatible with both models.

Does replacing the main flex solve slow charging issues?
If the data or power lines of the cable are broken or have contact loss, the replacement restores normal flow; however, make sure that the charging sub-board or the charger is not the source of the fault.