1) Boot into TWRP, delete "/data/data/com.google.android.gms/" 2) Boot to System 3) Delete GPay App Data (Cache & Data) 4) Start Gpay Once an close it right now, without adding or changing something 5) Boot into TWRP 6) Note the name of Folder inside "/data/data/com.google.android.gms/app_dg_cache", only one should be here 7) Boot to System 8) Run SafetyNet App, should be green and no errors 9) Boot into TWRP, now there are 2 Folders in "/data/data/com.google.android.gms" 10) delete "/data/data/com.google.android.gms/<FOLDER FROM POINT 6>", the other Folder should stay untouched 11) CHMOD 0551 to folder "/data/data/com.google.android.gms/app_dg_cache" 12) Reboot to System and set up GPay with my Paypal Account