Hi ,i have installed SMART IPTV on my LGTV,got the links from a website for free,the channels work well,but sometimes when its streaming something the screen turns black and comes back again in 3 4 seconds. Any help is appreciated

Hello, I have 2 android boxes bot with SmartIPTV installed directly from the source. one of the boxes is about a year old, the other i bought a few weeks ago. the software on 1 keeps changing MAC address when i cold boot (pull power cable) where as my other box is fine. Anyone know why? I...