Old iPhones have security flaws that Apple cannot fix; understand

▤ Summary

A security firm disclosed an unpatchable vulnerability in Apple A12 and A13 chips used in iPhone models released between 2018 and 2019. The flaw sits in the Boot ROM, so Apple cannot fix it with a software update. Exploitation requires physical access and likely needs to be combined with other attack techniques. The firm recommends upgrading to newer devices as the main mitigation. The disclosure matters most to security researchers and organizations working on advanced mobile device access tools.

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