You need the "sweet spot"—the very last version of Google Play Services that was optimized for Android 4.4.4 KitKat.
Devices on KitKat stopped receiving official security patches in October 2017 , making them highly vulnerable to modern exploits. Why Support Ended
Most KitKat devices use armeabi-v7a architecture. Download the "nodpi" variant to ensure it fits your screen resolution. 2. Essential Companion: Google Account Manager
Since you likely do not have the Play Store functioning yet, you must allow installation of apps from unknown sources.



