This symbol shows that GPRS is attached. You can detach GPRS if you don't use GPRS very often. This will increase you mobile battery life up to 20% more and will also remove the small blue background G on your mobile screen. To detach the GPRS, slide your phone up and enter this code: *#4777*8665# This will appear on the screen like this: *#4777*—– . Then, a secret menu will appear on your screen. Go to the option GPRS Detach and click it. Next you will have to wait some time, about 3-4 seconds and get the message: GPRS Detach confirm.