apple Changing iPhone Boot Drive.

[Kilo One]

Hello. Now the idea here is not to upgrade the iphone storage at all but, rather change the boot drive. For example lets take a brand new 32gb iphone 6s it will come pre-installed with ios 11 and now lets take and iphone 4s 32gb with the lates supported ios which is ios 9.3.5. Is it posible to change both boot drive in order to have the iphone 6s with ios 9.3.5. I now that it is posible to upgrade storage with a new chip you just need to change it put the serial in the new one and then recover it via itunes, so it make sence to change these chips. Thoughts.

[NelizMastr]

Why though? The 6S flies on iOS11 and iOS9 was a bit of a trainwreck. Even if you could, there is no real benefit to it.

[Hiitchy]

It’s a little bit more complicating than that. Even if you were able to do what you’re asking, you’d need to know how to remove, re-ball, and solder the storage chip to the board without knocking the small capacitors around the chip off the board. Not to mention accidentally de-soldering the SIM card tray by accident when heating up the chip to be removed.

 

You're also going to need a chip programmer that will read the storage data type and miscellaneous info, and copy that to a new chip. 

 

Youre going to want to watch the Strange Parts YouTube channel if that’s the case. Even he doesn’t recommend you do what he is because he’s had to buy so many parts just to experiment.

[Commodus]

6 hours ago, Kilo One said:

Hello. Now the idea here is not to upgrade the iphone storage at all but, rather change the boot drive. For example lets take a brand new 32gb iphone 6s it will come pre-installed with ios 11 and now lets take and iphone 4s 32gb with the lates supported ios which is ios 9.3.5. Is it posible to change both boot drive in order to have the iphone 6s with ios 9.3.5. I now that it is posible to upgrade storage with a new chip you just need to change it put the serial in the new one and then recover it via itunes, so it make sence to change these chips. Thoughts.

If you have to ask, that probably means you shouldn't try it.  Hitchy has a good explanation of just what would be involved... you're literally ripping a chip off the mainboard.

 

Besides, why would you want to take a big step back in features and reintroduce security flaws?  Odds are the storage on the iPhone 4S' flash is considerably slower, too.