We list mitigations added in all iPhone versions.
| Version (and date) | Mitigation | References |
|---|---|---|
| at least up to iPhone X | no ASLR in BootROM/iBoot (this is not a mitigation but worth mentioning) | 1 2 |
| at least up to iPhone X | UNSECURE_MEMORY at a static address in BootROM/iBoot (this is not a mitigation but worth mentioning) | 2 |
| A9X i.e. >= iPad Pro, iPad 6th generation, iPhone 7 | W^X in BootROM/iBoot | 3 4 |