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Flex cable

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Also called: flex

Plain-language definition

Plain-language definition

A thin, bendable circuit that carries power or signals between device parts.

Why it matters

Flex cables are space-efficient but can tear, crease, delaminate, or lose contact during repair.

Technical detail

A flexible printed circuit uses patterned copper conductors on a polymer substrate and often terminates in board connectors or bonded components.

Examples

  • A display flex cable connects the screen assembly to the phone logic board.

Sources and review

Reviewed July 12, 2026 by [email protected]. Next review due July 11, 2027.

  1. Soldering Glossary of Terms — iFixit Accessed 7/11/2026

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