But for a brief, glorious year, 06.15 was the ultimate proof of concept:
This is not a current tutorial (it is obsolete and dangerous for modern phones), but rather a of a legendary jailbreak artifact from the iPhone 3G/3GS era. The Forbidden Firmware: Why Baseband 06.15 Destroyed and Saved the iPhone 3G In the pantheon of jailbreak lore, certain numbers carry weight. 01.59.00. 05.13.04. But none strikes fear and nostalgia into the hearts of veteran iOS hackers quite like 06.15.00 . Custom Firmware With Baseband 6.15
They don’t make exploits like that anymore. And frankly, after the 06.15 graveyard, that’s probably a good thing. Do not attempt to flash 06.15.00 onto any modern iPhone (iPhone 4 and later). The baseband contains anti-replay counters that will permanently desynchronize your device from Apple’s activation servers, resulting in an irrecoverable "No Service" brick. This feature is for historical and educational analysis only. But for a brief, glorious year, 06
For the : Suicidal. You were gambling a functional phone for a 70% chance of a brick. And frankly, after the 06
For the : 06.15 represents the peak of the "Wild West" era of iOS hacking—when a team of coders in their basements could overwrite the most secure component of a smartphone using a USB cable and an unsigned IPA.