iPhone XR iOS 14.3.0 (18C66)
Crashed: CTTelephonyNetworkInfo
0	libobjc.A.dylib								0x1b0f640f8 objc_msgSend + 24
1	CoreFoundation								 0x19beda388 -[__NSDictionaryM objectForKeyedSubscript:] + 184
2	CoreTelephony									0x19c556708 -[CTTelephonyNetworkInfo updateRat:descriptor:] + 144
3	CoreTelephony									0x19c5565ec -[CTTelephonyNetworkInfo queryRatForDescriptor:] + 164
4	CoreTelephony									0x19c55533c -[CTTelephonyNetworkInfo connectionStateChanged:connection:dataConnectionStatusInfo:] + 100
5	CoreFoundation								 0x19bffe8f4 invoking_ + 148
6	CoreFoundation								 0x19bed5df8 -[NSInvocation invoke] + 448
7	CoreFoundation								 0x19bed63cc -[NSInvocation invokeWithTarget:] + 80
8	CoreTelephony									0x19c55f468 void dispatch::async<-[CoreTelephonyClientMux sink:handleNotification:]::$_2>(dispatch_queue_s*, std::1::unique_ptr<-[CoreTelephonyClientMux sink:handleNotification:]::$_2, std::1::default_delete<-[CoreTelephonyClientMux sink:handleNotification:]::$_2> >)::'lambda'(void*)::__invoke(void*) + 40
9	libdispatch.dylib							0x19bbeddb0 _dispatch_client_callout + 20
10 libdispatch.dylib							0x19bbf510c _dispatch_lane_serial_drain + 580
11 libdispatch.dylib							0x19bbf5c5c _dispatch_lane_invoke + 408
12 libdispatch.dylib							0x19bbffd78 _dispatch_workloop_worker_thread + 708
13 libsystem_pthread.dylib				0x1e77cb804 _pthread_wqthread + 276
14 libsystem_pthread.dylib				0x1e77d275c start_wqthread + 8
iPhone 11 iOS 14.3.0 (18C66)
Crashed: CTTelephonyNetworkInfo
0	libobjc.A.dylib								0x1bd8c80e8 objc_msgSend + 8
1	CoreFoundation								 0x1a883e388 -[__NSDictionaryM objectForKeyedSubscript:] + 184
2	CoreTelephony									0x1a8eba708 -[CTTelephonyNetworkInfo updateRat:descriptor:] + 144
3	CoreTelephony									0x1a8eba5ec -[CTTelephonyNetworkInfo queryRatForDescriptor:] + 164
4	CoreTelephony									0x1a8eb933c -[CTTelephonyNetworkInfo connectionStateChanged:connection:dataConnectionStatusInfo:] + 100
5	CoreFoundation								 0x1a89628f4 invoking_ + 148
6	CoreFoundation								 0x1a8839df8 -[NSInvocation invoke] + 448
7	CoreFoundation								 0x1a883a3cc -[NSInvocation invokeWithTarget:] + 80
8	CoreTelephony									0x1a8ec3468 void dispatch::async<-[CoreTelephonyClientMux sink:handleNotification:]::$_2>(dispatch_queue_s*, std::1::unique_ptr<-[CoreTelephonyClientMux sink:handleNotification:]::$_2, std::1::default_delete<-[CoreTelephonyClientMux sink:handleNotification:]::$_2> >)::'lambda'(void*)::__invoke(void*) + 40
9	libdispatch.dylib							0x1a8551db0 _dispatch_client_callout + 20
10 libdispatch.dylib							0x1a855910c _dispatch_lane_serial_drain + 580
11 libdispatch.dylib							0x1a8559c5c _dispatch_lane_invoke + 408
12 libdispatch.dylib							0x1a8563d78 _dispatch_workloop_worker_thread + 708
13 libsystem_pthread.dylib				0x1f412f804 _pthread_wqthread + 276
14 libsystem_pthread.dylib				0x1f413675c start_wqthread + 8
iPhone XS iOS 13.7.0 (17H35)
Crashed: CTTelephonyNetworkInfo
0	libobjc.A.dylib								0x1bbacaa68 objc_msgSend + 8
1	CoreFoundation								 0x1bbc8ef04 -[__NSDictionaryM objectForKeyedSubscript:] + 184
2	CoreTelephony									0x1c06480f4 -[CTTelephonyNetworkInfo updateRat:descriptor:] + 144
3	CoreTelephony									0x1c0647fa8 -[CTTelephonyNetworkInfo queryRatForDescriptor:] + 392
4	CoreTelephony									0x1c0646c9c -[CTTelephonyNetworkInfo connectionStateChanged:connection:dataConnectionStatusInfo:] + 100
5	CoreFoundation								 0x1bbdbffc4 invoking_ + 148
6	CoreFoundation								 0x1bbc897d0 -[NSInvocation invoke] + 408
7	CoreFoundation								 0x1bbc8a3f0 -[NSInvocation invokeWithTarget:] + 80
8	CoreTelephony									0x1c064fb54 void dispatch::async<-[CoreTelephonyClientMux sink:handleNotification:]::$_2>(dispatch_queue_s*, std::1::unique_ptr<-[CoreTelephonyClientMux sink:handleNotification:]::$_2, std::1::default_delete<-[CoreTelephonyClientMux sink:handleNotification:]::$_2> >)::'lambda'(void*)::__invoke(void*) + 40
9	libdispatch.dylib							0x1bba5b5ac _dispatch_client_callout + 20
10 libdispatch.dylib							0x1bba61a64 _dispatch_lane_serial_drain + 568
11 libdispatch.dylib							0x1bba62498 _dispatch_lane_invoke + 400
12 libdispatch.dylib							0x1bba6ba5c _dispatch_workloop_worker_thread + 584
13 libsystem_pthread.dylib				0x1bbac1718 _pthread_wqthread + 276
14 libsystem_pthread.dylib				0x1bbac79c8 start_wqthread + 8