Here are several steps you can try on your iPhone and at your home network to fix iPhone 6 Plus WiFi problems. WiFi problems are tougher to fix due to the variety of factors causing connectivity issues. Rebooting the iPhone, router and printer fixed this for a while. A common problem we ran into is the inability to print to a Wireless printer. This is not unique to the iPhone 6 Plus, as small updates and iPhone releases deliver WiFi problems to the iPhone. IPhone 6 Plus WiFi problems include poor speeds, random disconnections and the inability to connect to certain routers. Google Hangouts and other apps with background activity can cause bad iPhone 6 Plus battery life. Facebook is a major battery drain for many users. You can see what apps use the most battery life on your iPhone 6 Plus and, if need be, delete the app. If the iPhone 6 Plus is warm and slow, you can hold the home and power button to reboot the phone. If they are closer to what you see in the image above an app may be the problem. Check your use to find the reason for bad iPhone 6 Plus battery life.