Not rooting your phone, but hacking the baseband. And since we're talking about disassembling devices and performing low voltage attacks to reveal secrets, I would draw the analog to baseband hacking.

https://resources.infosecinstitute.com/topic/how-to-hack-mob...

...found a vulnerability (CVE-2022-20210) that can be abused to disrupt the device’s radio communication via a malformed packet causing a DoS condition. This vulnerability allows attackers can neutralize communications in a specific location.