I have an iPhone 5 and I just received notice that my data usage for free is almost up. I presently have 1GB. I am total unaware of what data usage is and should I change to a plan with 2GB.
Do I have to do something to make sure I use Wi-Fi in all places that I am.
Exactly what takes up my data usage when using my phone? Is it from receiving a message, text, taking photos. Please be specific if possible.