iPhone4S to external display disrupts 3G network

i have iphone 4s , bought iphone hdmi adaptor apple store mirror displayed on iphone on larger screen. external display using not have hdmi port using hdmi dvi adaptor. when set up, external monitor mirrors on iphone perfectly.

hoping stream youtube videos iphone , display on external. problem when iphone plugged monitor lose 3g connection. when unplug hdmi cable, network connection comes right on.

please help.

 

Forums iPhone, iPad, and iPod Touch iPhone iPhone Tips, Help and Troubleshooting

• iPhone
• Mac OS & System Software
• iPad
• Apple Watch
• Notebooks
• iTunes
• Apple ID
• iCloud
• Desktop Computers
• Apple Music
• Professional Applications
• iPod
• iWork
• Apple TV
• iLife
• Wireless