You can legally hack your own iphone.
This is true, but only due to DMCA exemptions that Apple strongly opposed: https://www.wired.com/2010/07/feds-ok-iphone-jailbreaking/
This is true, but only due to DMCA exemptions that Apple strongly opposed: https://www.wired.com/2010/07/feds-ok-iphone-jailbreaking/
And ... you do? Is there some reason you can't do whatever you want with the device? This is like complaining that you can't use your xbox or television as a general purpose computing device.
You can legally hack your own iphone. Go for it. You own the device.