Download
https://www.apkmirror.com/apk/delicious/textra/textra-4-71-release/textra-sms-4-71-android-apk-download/
Just downloaded the Textra SMS 4.71 (arm64-v8a + x86 + x86_64) (480-640dpi) (Android 7.0+) APK from @APKMirror
Share