Tunnelguru & Other VPN Are Back & Blazing Well With Mtn Bis, check It Out Now . Dear VPN users, there is a new development. MTN Nigeria is currently running system upgrade and it's affecting a lot of BIS users with other Phone/PC, Mtn as succeeded in blocking UDP port 500 on most tunnels software and I have been receiving lots of messages regarding tunnels VPN that is no more response with Mtn Bis but am happy to tell you that there is still a way to surf with Mtn Bis using those VPN, you just need to change little things on your VPN and you are good to go with your VPN. For PC users using PD- Proxy on their system, change your connection protocol from UDP to ICMP and continue rocking with full time speed. For Android users using DroidVPN on their device, change your connection protocol from UDP to ICMP and continue to enjoy your browsing. If you are using Tunnel guru on PC, equally change your protocol settings from UDP to ICMP and connect. For Tunnelguru users with MTN BIS use ICMP ( Mode-2). For High Speed, Stable Connection, make sure you disable Antivirus + Firewall If you want to download large files, always use BBCday. Relax and enjoying your browsing.