Motherboard Flex Cable for OnePlus Ace 3 (OEM)

Is your OnePlus Ace 3 suffering from intermittent charging, mic dropouts or unreliable antenna? Often the cause is the internal motherboard flex linking mainboard and daughterboard. This OEM flex restores signal transfer.

Specifications

• Type: motherboard flex cable
• Compatible: OnePlus Ace 3
• Function: signal transfer between boards
• Quality: OEM specification
• Connection: original plug-in
• Length/pinout identical to OEM
• Condition: new

Symptoms of a defective part

• Erratic charging
• Microphone drops out
• Antenna failures (weak signal)
• Spontaneous reboots
• Unreliable USB data

Installation

🟡 Medium · ~40 min · needed: Phillips PH00, plastic tool, spudger, tweezers. Open the back, disconnect the battery, remove the motherboard shield and replace the flex between the two boards.

Frequently asked questions

How do I know this is the issue?
A failing motherboard flex often causes multiple unrelated problems at once.

Is soldering needed?
No, plug-in connectors.

Will this fit the Ace 3V?
No, specific to the Ace 3.