Still exist on iOS 14.5.
swift
Crashed: CTTelephonyNetworkInfo
0 libobjc.A.dylib 0x19fc7fdd0 objc_release + 16
1 CoreTelephony 0x18b7ff6e8 -[CTTelephonyNetworkInfo updateRat:descriptor:] + 556
2 CoreTelephony 0x18b7ff430 -[CTTelephonyNetworkInfo queryRatForDescriptor:] + 164
3 CoreTelephony 0x18b7fe1b8 -[CTTelephonyNetworkInfo connectionStateChanged:connection:dataConnectionStatusInfo:] + 72
4 CoreFoundation 0x18b2a38c4 __invoking___ + 148
5 CoreFoundation 0x18b176bf4 -[NSInvocation invoke] + 380
6 CoreFoundation 0x18b1771f8 -[NSInvocation invokeWithTarget:] + 80
7 CoreTelephony 0x18b8082cc 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*) + 44
8 libdispatch.dylib 0x18ae8b7ec _dispatch_client_callout + 20
9 libdispatch.dylib 0x18ae92fd4 _dispatch_lane_serial_drain + 620
10 libdispatch.dylib 0x18ae93bd0 _dispatch_lane_invoke + 404
11 libdispatch.dylib 0x18ae9e48c _dispatch_workloop_worker_thread + 764
12 libsystem_pthread.dylib 0x1d6c167a4 _pthread_wqthread + 276
13 libsystem_pthread.dylib 0x1d6c1d74c start_wqthread + 8
Device
Model: iPhone 12 Pro Max
Orientation: Portrait
RAM free: 102.02 MB
Disk free: 48.17 GB
plat_ios
Operating System
Version: 14.5.0 (18E5164h)
Orientation: Portrait
Jailbroken: No
bug_report
Crash
Date: Mar 14, 2021, 4:05:46 PM