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Android fails to connect to lte network.

My testing environment.

mcu: 4.2

iPhone: Success

Android: Fail

 

It works well on wifi networks in Android. However, the connection fails in the lte network.

(I think it's an ipv6 problem.)

Below is the Android log.

2019-07-23 17:19:35.743 13017-13017/com.saeha.ezview.dev E/aeha.ezview.de: No package ID ff found for ID 0xffffffff.
2019-07-23 17:19:35.793 13017-13395/com.saeha.ezview.dev D/OWT: create offer
2019-07-23 17:19:35.802 13017-13375/com.saeha.ezview.dev I/org.webrtc.Logging: Camera1Session: Available fps ranges: [[15.0:15.0], [24.0:24.0], [15.0:30.0], [30.0:30.0]]
2019-07-23 17:19:35.810 13017-13320/com.saeha.ezview.dev I/org.webrtc.Logging: NetworkMonitor: Start monitoring with native observer 529227329088
2019-07-23 17:19:35.818 13017-13320/com.saeha.ezview.dev D/ConnectivityManager: sendRequestForNetwork CallingUid : 10375, CallingPid : 13017
2019-07-23 17:19:35.819 13017-13320/com.saeha.ezview.dev D/ConnectivityManager: requestNetwork; CallingUid : 10375, CallingPid : 13017
2019-07-23 17:19:35.820 13017-13375/com.saeha.ezview.dev I/org.webrtc.Logging: Camera1Session: Create new camera1 session on camera 1
2019-07-23 17:19:35.820 13017-13375/com.saeha.ezview.dev I/org.webrtc.Logging: Camera1Session: Start capturing
2019-07-23 17:19:35.821 13017-13320/com.saeha.ezview.dev D/ConnectivityManager: requestNetwork; CallingUid : 10375, CallingPid : 13017
2019-07-23 17:19:35.834 13017-13320/com.saeha.ezview.dev W/org.webrtc.Logging: NetworkMonitorAutoDetect: Null interface name for network 601
2019-07-23 17:19:35.835 13017-13399/com.saeha.ezview.dev I/org.webrtc.Logging: NetworkMonitorAutoDetect: Network becomes available: 641
2019-07-23 17:19:35.844 13017-13399/com.saeha.ezview.dev I/org.webrtc.Logging: NetworkMonitorAutoDetect: capabilities changed: [ Transports: CELLULAR Capabilities: SUPL&INTERNET&NOT_RESTRICTED&TRUSTED&NOT_VPN&VALIDATED&NOT_ROAMING&FOREGROUND&NOT_CONGESTED&NOT_SUSPENDED Unwanted:  LinkUpBandwidth>=51200Kbps LinkDnBandwidth>=102400Kbps Specifier: <1>]
2019-07-23 17:19:35.854 13017-13399/com.saeha.ezview.dev I/org.webrtc.Logging: NetworkMonitorAutoDetect: link properties changed: {InterfaceName: rmnet1 LinkAddresses: [2001:2d8:e132:5a82::16e4:40b1/64,]  Routes: [::/0 -> fe80::3 rmnet1,2001:2d8:e132:5a82::/64 -> :: rmnet1,] DnsAddresses: [fd00:613:101:c::10,fd00:e13:101:c::7,] UsePrivateDns: false PrivateDnsServerName: null Domains: null MTU: 1440 TcpBufferSizes: 2097152,4194304,8388608,1048576,3145728,4194304 Stacked: [ [{InterfaceName: v4-rmnet1 LinkAddresses: [192.0.0.5/32,]  Routes: [0.0.0.0/0 -> 192.0.0.5 v4-rmnet1,] DnsAddresses: [] UsePrivateDns: false PrivateDnsServerName: null Domains: null MTU: 0} ],] }
2019-07-23 17:19:35.859 13017-13017/com.saeha.ezview.dev E/aeha.ezview.de: No package ID ff found for ID 0xffffffff.
2019-07-23 17:19:36.093 13017-13017/com.saeha.ezview.dev E/aeha.ezview.de: No package ID ff found for ID 0xffffffff.
2019-07-23 17:19:36.169 13017-13375/com.saeha.ezview.dev I/org.webrtc.Logging: CameraCapturer: Create session done. Switch state: IDLE
2019-07-23 17:19:36.172 13017-13375/com.saeha.ezview.dev I/org.webrtc.Logging: SurfaceTextureHelper: Setting listener to org.webrtc.-$$Lambda$Camera1Session$IaCl5v4xeWNI0BnOxdpBB-kXaIc@c31a10
2019-07-23 17:19:36.260 13017-13416/com.saeha.ezview.dev I/org.webrtc.Logging: HardwareVideoEncoder: initEncode: 320 x 240. @ 300kbps. Fps: 60 Use surface mode: true
2019-07-23 17:19:36.269 13017-13416/com.saeha.ezview.dev I/ACodec:  [] Now uninitialized
2019-07-23 17:19:36.273 13017-13456/com.saeha.ezview.dev I/ACodec: [] onAllocateComponent
2019-07-23 17:19:36.282 13017-13456/com.saeha.ezview.dev I/OMXClient: IOmx service obtained
2019-07-23 17:19:36.348 13017-13456/com.saeha.ezview.dev I/ACodec: [OMX.Exynos.AVC.Encoder] Now Loaded

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Employee
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Is this same problem for 814825
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