Ethernet Adapter for Iphone and Android
Allows you to use internet while Phone is in Airplane Mode (Minimal WiFi/Signal)
Has additional port to charge at same time
In order to start working, adapter has to be plugged in while phone is on Data/WiFi, then once plugged in the phone can be switched to Airplane Mode. Once in Airplane Mode, internet service should resume if directly connected to router via ethernet and adapter.