If you can't install unsigned apk for unknown reason even you patched 3 signature checks, you can install signed apk on top of original apk to keep your save data intact
So this is simple step:
Don't uninstall the original game and install signed APK straight forward
Your save data will be...
android
can't install unsigned apk
disable.apksignatureverfication
google play games
google play services
lucky patcher
microg
unsigned apk
virtualxposed
vmos
If you have root and Xposed or Magisk + LSPosed module installed, you can use Xposed option in Lucky Patcher to disable signature checks
If you don't have Xposed, follow normal way How to disable signature verification to install unsigned APK using Lucky Patcher (Rooted device/Emulator/VM app)...
Can't login with your Google+ on modded games? Really need to uninstall Facebook? NO PROBLEM. Today, I will show you how to patch signature, so you can install any UNSIGNED modded apk. This is usally for rooted devices only but non-rooted devices can use any Virtual Machine apps which can be...