The end of the Serial Number string will show the bootrom version in brackets (ie: ).Go to System Profiler, and under the Hardware category, go to USB, and click on Apple Mobile Device (DFU Mode).The end of the info string will show the bootrom version.Go to Details tab & select Device Instance Path in the dropdown box.Open Device Manager, find USB controller, subitem Apple Mobile Device USB Driver.Any iPhone made after Week 45 of 2009 (?945? and higher or ?0? serials) has the new bootrom.įrom the DFU Device descriptors (all devices except S5L8900) Windows There is a gray area between week 40 of 2009 (?940?) and week 45 of 2009 (?945?) where some devices have new bootrom whilst others have old bootrom. The third digit of the serial number identifies the year of manufacture (9=2009, 0=2010, 1=2011, 2=2012), while the fourth and the fifth indicate the week. If the second character is "C" ( FC086, MC086 or PC086), your iPod has the new bootrom. If the second character of your Model Number is "B" (e.g.- FB533, MB533, or PB533), your iPod has the old bootrom. Usually also looking at the CPRV (Chip Revision) tag will also tell you whether the device is new unit or not also.įinding bootrom version From the model number ( iPod touch (2nd generation)) You might also be looking for Apple's stage 2 bootloader, which also uses the "iBoot" name. While the new bootrom revisions have an exploit, the exploit needs the assistance of a firmware-based exploit to achieve an untethered jailbreak. These are most commonly referred to with the terms "old bootrom" and "new bootrom." These "new bootrom" devices were released after 9 September 2009 and have the 0x24000 Segment Overflow fixed. 5.33 T8110, used in the iPad mini (6th generation), iPhone 13 mini, iPhone 13, iPhone 13 Pro and iPhone 13 Pro MaxĬertain models, including the iPod touch (2nd generation) and iPhone 3GS, have different bootrom versions.5.32 T8103, used in the iPad Pro (11-inch) (3rd generation), iPad Pro (12.9-inch) (5th generation) and M1 Macs.5.31 T8301, used in the Apple Watch Series 6 and Apple Watch Series 7.5.30 T8101, used in the iPad Air (4th generation), iPhone 12 mini, iPhone 12, iPhone 12 Pro and iPhone 12 Pro Max.5.29 T8030, used in the iPad (9th generation), iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max and iPhone SE (2nd generation). ![]()
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