iPhone 17 Proximity Sensor

iPhone 17 Proximity Sensor: Precise Detection in Calls

This proximity sensor for iPhone 17 restores the ability to turn off the screen during voice calls. It is an original Apple part, suitable for replacing the flex cable with sensor damaged by drops or wear.

Technical Specifications

• Part type: Proximity sensor with flex cable
• Compatibility: iPhone 17 (A3258, A3519, A3520, A3521)
• Part code: 821-05399-04
• Quality: Original — Pulled

When to Replace

• The screen does not turn off when you bring the phone close to your face during a call.
• Touch remains active during calls, accidentally triggering buttons.
• The display goes dark and does not light up again after finishing the conversation — confirm the diagnosis.

Notes for the Technician

• Test before applying: connect the part to the equipment and confirm its operation before fixing or gluing it definitively. Thus, if there is any problem, the return or warranty is handled quickly and simply.
• Installation difficulty: Advanced.
• Requires disassembly of the screen and careful access to the upper area of the chassis.
• Handle FPC connectors using anti-static plastic tools (ESD).
• If it is necessary to apply adhesive during reassembly, it is sold separately.

What Distinguishes This Version

Esta versión retirada de equipo presenta los estándares de fabricación de fábrica de la marca. É a solução perfeita para oficinas e técnicos que exigem precisão de encaixe e funcionamento fiável.

Frequently Asked Questions

What is the technical reference of this proximity flex?
The reference engraved on the component is 821-05399-04, ensuring exact compatibility with the iPhone 17.

Is this sensor compatible with all model versions of the iPhone 17?
Yes, it is fully compatible with versions A3258, A3519, A3520, and A3521 of the iPhone 17.