iPhone iOS 12.2 beta issue - download app with trusted cert

[wawa3tyt]

have a phone that had a self-signed cert added and enabled. I am getting error ("Cannot connect to XXXXX.com") via HTTPS download after upgrading to iOS12.2 beta3 recently



Below is the log:

default 10:19:27.545086 +0800 appstored [RequestProxy]: Starting ...
default 10:19:27.545202 +0800 appstored [ExternalManifestRequestOperation]: Manifest for url: https://XXXXX.com/XXX.plistclientID: itunesstored
default 10:19:27.545258 +0800 appstored [ExternalManifestOperation]: Running manifest request url: https://XXXXX.com/XXX.plist
error 10:19:27.555635 +0800 appstored SSURLSessionManager: A nil value was loaded from the bag for key TLSSamplingPercentage. Using new bag: NO
error 10:19:27.556518 +0800 appstored SSURLSessionManager: A nil value was loaded from the bag for key TLSSamplingSessionDuration. Using new bag: NO
error 10:19:27.560336 +0800 appstored SSURLSessionManager: A nil value was loaded from the bag for key aps-sampling-percentage. Using new bag: NO
default 10:19:27.560701 +0800 appstored ISURLOperation: Sending headers for <private>:
<private>
default 10:19:27.560763 +0800 appstored Task <XXXXXXXX-4A7F-9154-BB2991D50CEA>.<6> resuming, QOS(0x19)
default 10:19:27.560899 +0800 appstored Task <XXXXXXXX-4A7F-9154-BB2991D50CEA>.<6> {strength 1, tls 8, ct 0, sub 0, sig 0, ciphers 1, bundle 0, builtin 0}
default 10:19:27.561035 +0800 appstored TIC Enabling TLS [9:0x155e40190]
default 10:19:27.561096 +0800 appstored TIC TCP Conn Start [9:0x155e40190]
default 10:19:27.561341 +0800 appstored [C9 Hostname#XXXXXX:443 tcp, url hash: XXXXXX, tls] start
default 10:19:27.561888 +0800 appstored nw_connection_report_state_with_handler_locked [C9] reporting state preparing
default 10:19:27.562806 +0800 appstored Task <XXXXXXXX-4A7F-9154-BB2991D50CEA>.<6> setting up Connection 9
default 10:19:27.569202 +0800 appstored nw_endpoint_flow_protocol_connected [C9.1 IPv4#XXXXXX:443 in_progress channel-flow (satisfied)] Transport protocol connected
default 10:19:27.572361 +0800 appstored TIC TLS Event [9:0x155e40190]: 1, Pending(0)
error 10:19:27.581546 +0800 appstored boringssl_context_alert_callback_handler(3724) <private>[0x155e97a50] Alert level: fatal, description: protocol version
error 10:19:27.581683 +0800 appstored boringssl_context_error_print(3676) boringssl ctx 0x155e43a30: <private>
error 10:19:27.581752 +0800 appstored boringssl_context_get_error_code(3581) <private>[0x155e97a50] SSL_AD_PROTOCOL_VERSION
default 10:19:27.582225 +0800 appstored nw_protocol_tcp_log_summary [C9.1:3]

any help?