What does it mean by G, E, H, 3G network symbol on Mobile Signal bar?
Generally when use internet on our smartphones we have seen some symbols near our network indicator i.e. H, E, G, 3G and 2Gd.
Meaning of the symbol 3G and H while using internet
A very first step you have to know...
Press to launch MobilePhone from your Springboard.
Tap the keyboard tab then dial *3001#12345#*.
Your iPhone will now launch Field Test. Notice your strength bars have been replaced with a number. This number is your reception strength measured in decibels...