I noticed Linphone don't even start on cellphones like Samsung Galaxy S6 and here is the stacktrace:
java.lang.ExceptionInInitializerError
at java.lang.Class.classForName(Native Method)
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Caused by: java.lang.RuntimeException: java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/br.com.oi.falefacil-1/base.apk"],nativeLibraryDirectories=[/data/app/br.com.oi.falefacil-1/lib/arm64, /vendor/lib64, /system/lib64]]] couldn't find "liblinphone-arm64-v8a.so"
at org.linphone.core.LinphoneCoreFactoryImpl.<clinit>(LinphoneCoreFactoryImpl.java:67)
... 15 more
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Linphone doesn't have support to arm64-v8a. Someone tried to make an 64 bit version of linphone-android?
64 bit cpu in Android Phone will be common soon, it's will be more important than support x86 Android phones (could extend to support x86-64 phones too).
Thanks!