Warning: Installing APKs from outside the Play Store has security risks. Only use reputable sources and verify the APK’s signature/version.
Since Play Store may not work, you need to download the Facebook Lite (the installation package). Use only reputable sites to avoid malware. download facebook lite for android 4.2 2
Because it doesn't run 50 background processes, your old battery will actually last all day. It sips power like a tea, not chugs it like an energy drink. Warning: Installing APKs from outside the Play Store