 International Business Times | iOS 5 Untethered Jailbreak: No Jailbreak for A5 Devices; Download-Install ... International Business Times A4 processor was built upon ARM's Cortex A8 CPU which was a single core CPU, but the latest, A5 processor, is built upon ARM's Cortex A9 dual core CPU which is the biggest hurdle in finding the bootrom-level exploit in both the A5 devices. ... |
