Even while just standing in one place, a rapid decline in the number of signal bars can be observed depending on how the phone is gripped.
即使是站在一个地方不动，信号强度格数也会急速减少，这可以通过用户手持手机的方式观察到。
2
As expected, the program has received a SIGILL (signalnumber 4) with an si code of 5, which is set when a privileged opcode is executed by a user-space program.