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Repair information and guides for the iPhone 6S released by Apple on September 25, 2015. Models: A1688, A1633

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Toggling Silent/mute switch doesn't work. Then mutes/unmutes by itself

My iphone 6s mute/silent switch doesnt respond correctly when I toggle it. Switch seems to be working fine mechanically (been cleaned as much as possible from the outside).

Further, the mute/silent function changes on its own. Sometimes ever couple seconds (even though switch not moving).

Seems the audio/power cable (and bracket) need to be replaced. Does the button also need to be replaced? Anyway I can open it up and the solution will be simpler?

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It definitely sounds like the button on the flex is damaged. You can change this yourself.

This is not the simplest DIY repair so if you're all thumbs, I wouldn't recommend it as a lot can go wrong here. If you're a good fixer in general and have a delicate touch, you should certainly try it. The repair guide is here.

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YES! I saw that. Thank you. So I dont have to replace the mechanical switch? Just the cable and bracket?

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The physical actuator is on the flex. The button you push only pushes itself against the actuator.

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I understand. Is it possible there is just a poor connection/dirt between the actuator and the button? Or does the flex definitely need replacing?

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It's possible, sometimes it can get out of alignment. You'll have to open it up and take a closer look.

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When I order the volume button cables I usually make sure it comes with the metal bracket and the vibrate switch attached with the metal bracket too.

What generally happens is that the plastic 4 holes gets loose from the metal bracket for the switch making it hard to switch or getting stuck in a certain position.

A worn out switch or teared ribbon cable may cause the vibrate switch to go on and off randomly.

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