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Versão atual de: Tom Chai ,

Texto:

The root cause is dead home button, or contaminated connector/ board, not taptic engine.
 
On iPhone 7, the home button is entirely solid state instead of a mechanical switch. It has a capacitive touch sensor, a fingerprint sensor and a force sensor. Data for at least fingerprint and touch run on an encrypted SPI link.
 
In order for the system to register a home button press, touch sensor and force sensor must send valid data at the same time. the phone simulates the pressing and releasing of the button with taptic engine vibrations. The taptic engine is just an iron weight driven by magnetic coils, it is unlikely for it to actually break.
 
My suggestion is to take it to Apple if you want the phone to be repaired at all. It is possible that Apple missed water damage signs and just replaces the phone for free, if they do notice however, the price will be $319.
 
If you decide to repair it yourself, please note that there is at least 70% percent chance that you can't do any improvements. Since iPhone 7 home button is all digital and requires both touch and press to activate, the replacement button not only destroys fingerprint, but also as a button itself. In other words the replacement button is '''ABSOLUTELY USELESS'''. If you find out that the root cause is indeed fried home button or board, unless you can somehow restore the original parts to working order, you can't repair it in any sense.
If you decide to repair it yourself, please note that there is at least 70% percent chance that you can't do any improvements. Since iPhone 7 home button is all digital and requires both touch and press to activate, the replacement button not only destroys fingerprint, but also as a button itself. In other words the replacement button is '''ABSOLUTELY USELESS'''. If you find out that the root cause is indeed fried home button or board, unless you can somehow restore the original parts to working order, you can't repair it in any sense.

Status:

open

Postagem original de: Tom Chai ,

Texto:

The root cause is dead home button, or contaminated connector/ board, not taptic engine.

On iPhone 7, the home button is entirely solid state instead of a mechanical switch. It has a capacitive touch sensor, a fingerprint sensor and a force sensor. Data for at least fingerprint and touch run on an encrypted SPI link.

In order for the system to register a home button press, touch sensor and force sensor must send valid data at the same time. the phone simulates the pressing and releasing of the button with taptic engine vibrations. The taptic engine is just an iron weight driven by magnetic coils, it is unlikely for it to actually break.

My suggestion is to take it to Apple if you want the phone to be repaired at all. It is possible that Apple missed water damage signs and just replaces the phone for free, if they do notice however, the price  will be $319.

If you decide to repair it yourself, please note that there is at least 70% percent chance that you can't do any improvements. Since iPhone 7 home button is all digital and requires both touch and press to activate, the replacement button not only destroys fingerprint, but also as a button itself. In other words the replacement button is '''ABSOLUTELY USELESS'''.

Status:

open