Working and still kicking. Kung na i stuck ka sa "battling with your firewall" ,gamit ka muna ng ibang network na may net then open skyvpn, then change to the other sim and connect.
pwede naman maka connect sa skyvpn kahit 0 lang ang balance mo......try mo punta sa app management tapos clear data mo si skyvpn and tapos force stop then open and connect mo