Main Flex Cable Xiaomi Redmi Note 12 Pro 5G

Main Flex Cable for Xiaomi Redmi Note 12 Pro 5G: Motherboard and Sub-Board Connection

The main flex cable for Xiaomi Redmi Note 12 Pro 5G re-establishes the essential data and power communication between the motherboard and the bottom sub-board. This is an original part removed from a functional device, ensuring the correct alignment of the FPC connectors and the continuity of the circuits. It is the recommended solution to recover charging, microphone and audio functions affected by damage to the interconnect cable.

Technical Specifications

• Part type: Main interconnect flex cable (Motherboard to Sub-board)
• Compatibility: Xiaomi Redmi Note 12 Pro 5G (22101316C, 22101316I, 22101316G)
• Quality: Original — Pulled

When to Replace

• The mobile phone does not charge or recognise the USB connection — confirm the diagnosis.
• Bottom microphone or main loudspeaker without sound after a drop or impact.
• Intermittent mobile network signal faults caused by a break in the bottom connection.
• Flex cable creased, torn or with FPC connectors damaged during dismantling.

Notes for the Technician

• Test before applying: connect the part to the device and confirm it works before fixing or gluing it down permanently. Thus, if there is any issue, the return or warranty is handled quickly and simply.
• Difficulty level: Medium.
• Access requires removing the back cover and the upper and lower protective plastic shields.
• Disconnect the battery before disconnecting or plugging in the flex cable to prevent short circuits on the motherboard.
• Check the correct fit on both sides and ensure that the flex sits in the chassis rail without forced bends.

What Distinguishes This Version

This unit is manufactured by the brand and was removed from another mobile phone, preserving the ideal factory thickness and flexibility. It represents the most reliable option for workshops looking for components with exact assembly tolerances.

Frequently Asked Questions

Does this flex cable fit the Redmi Note 12 Pro 4G model?
No. The 4G and 5G versions use distinct internal platforms with different connector layouts.

Does the flex resolve charging issues?
If the power circuit between the USB port and the motherboard is interrupted by cracks in the flexible ribbon, replacing it restores normal charging.