On 17/07/2021 22:25, JF Mezei wrote:
> On 2021-07-17 06:33, David Brooks wrote:
>> What do YOU fix?
> Changed home button on my 4 (and I think Camera)
> Changed home button and some of the ribbon cables at the deepest level
> (requiring total disassembly like iFixit) on my 5s, changed camera and
> screen on 6s (but kept home button).
> Changed power supply on 2009 mac pro ( required fair amoujt of
> diassembly due to position of connectors).
> Changed the CPU on my 2013 trash can. Required almost total disassembly
> to reach the cpu nestled behind motherboard against heat sink).
> Changed battery and disk on my laptop.
WOW! I've never worked on an iPhone. You must have nimble fingers!
> The one aspect about right to repair is the TouchID system. Encrypting
> o data by the button itself means the CPU can't use the data and only
> pass it onto secure enclave which is the only thing that has the keys to
> decrypt. When you have a need to protect citizens from their
> government, such measures are needed. Sad, but that is the case with
> power-hungry police/intel agencies who want power to peek into anyone
> The downsize of this is that you need to pair each individual button
> with each indiidual secure enclave. If you let anyone do this, then the
> protection is moot since anymore can introduce a modified button that
> allows "man in middle" attacks. So when only Apple can do the pairing,
> this does add some security. (but that assumes the 2 letter agencies
> like CIA, NSA, NSO don't have the ability to pair a button to secure
> The other aspect, and this is diue to Samsung,s BBQ starter phones, is
> that the manufacturers have become very weary of liability that their
> phones can cause if the batteries start a fire, so I can understand (but
> not agree) on ensuring battery are only touched by experienced people.
> On the other hand, if you design the phone poperly in first place, it
> become easy to replace battery in a safe way.
Thank you for sharing with us, John! :-D