- Download the apk to your sdcard
- Use System Apps Installer and install the apk, it should replace your default dialer.
- Download the apk file to your computer
- Rename the apk (doesn't matter which color) to DialerTabActivity.apk
- Push with a root browsing app or adb
- Don't forget to set permissions - rw-r--r-- if done with root browsing app
- chmod 644 if done through adb shell
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