the trace is there,anyone know why ???
#00 pc 0004f104 /system/lib/libc.so (__fseeko64(__sFILE*, long long, int, int)+9) [armeabi-v7a]
#01 pc 0004f29b /system/lib/libc.so (fseeko+14) [armeabi-v7a]
#02 pc 0056f32c libunity.so ZipFile (.\PlatformDependent/AndroidPlayer/Source/ZipFile.cpp:50) [armeabi-v7a]
#03 pc 00564b6c libunity.so apkOpen (.\PlatformDependent/AndroidPlayer/Source/ApkFile.cpp:327) [armeabi-v7a]
#04 pc 0054d328 libunity.so FileSystemAndroidAPK::Open(FileEntryData&, FilePermission, FileAutoBehavior) (.\PlatformDependent/AndroidPlayer/Source/LocalFileSystemAndroid.cpp:81) [armeabi-v7a]
#05 pc 003a47c8 libunity.so ArchiveStorageReader::MakeStorageUsed() (.\Runtime/VirtualFileSystem/ArchiveFileSystem/ArchiveStorageReader.cpp:480) [armeabi-v7a]
#06 pc 003a2ec4 libunity.so ArchiveStorageReader::Initialize(FileSystemEntry&, unsigned long long) (.\Runtime/VirtualFileSystem/ArchiveFileSystem/ArchiveStorageReader.cpp:57) [armeabi-v7a]
#07 pc 003a2af8 libunity.so ArchiveStorageReader::Initialize(std::string const&, unsigned long long) (.\Runtime/VirtualFileSystem/ArchiveFileSystem/ArchiveStorageReader.cpp:49) [armeabi-v7a]
#08 pc 000e645c libunity.so AssetBundleLoadFromAsyncOperation::InitializeAssetBundleStorage(std::string const&, unsigned long long) (.\Runtime/AssetBundles/AssetBundleLoadFromAsyncOperation.cpp:94) [armeabi-v7a]
#09 pc 000e85d0 libunity.so AssetBundleLoadFromFileAsyncOperation::LoadArchiveJob(void*) (.\Runtime/AssetBundles/AssetBundleLoadFromFileAsyncOperation.cpp:33 [Inline: AssetBundleLoadFromFileAsyncOperation::LoadArchive()]) [armeabi-v7a]
#10 pc 002c54d8 libunity.so JobQueue::Exec(JobInfo*, int, int) (.\Runtime/Jobs/Internal/JobQueue.cpp:364) [armeabi-v7a]
#11 pc 002c5428 libunity.so JobQueue::Steal(JobGroup*, JobInfo*, int, int, bool) (.\Runtime/Jobs/Internal/JobQueue.cpp:526) [armeabi-v7a]
#12 pc 002c59f4 libunity.so JobQueue::ExecuteJobFromQueue() (.\Runtime/Jobs/Internal/JobQueue.cpp:731) [armeabi-v7a]
#13 pc 002c5a88 libunity.so JobQueue::ProcessJobs(void*) (.\Runtime/Jobs/Internal/JobQueue.cpp:810) [armeabi-v7a]
#14 pc 002c4e00 libunity.so JobQueue::WorkLoop(void*) (.\Runtime/Jobs/Internal/JobQueue.cpp:876) [armeabi-v7a]
#15 pc 00390c7c libunity.so Thread::RunThreadWrapper(void*) (.\Runtime/Threads/Thread.cpp:35) [armeabi-v7a]
#16 pc 00046eb3 /system/lib/libc.so (__pthread_start(void*)+22) [armeabi-v7a]
#17 pc 00019acd /system/lib/libc.so (__start_thread+6) [armeabi-v7a]
The problem mainly occurs on some models of motoralo. my Unity version is 5.5.4.f1