you should know roughly how much voice you have used since you got it
In order to tell how accurate your GPS is, you cannot rely on the correction that the phone tells you. That is kinda self serving!
You have to find a known waymark and take multiple readings to determine this.
just a lil disclosure about unlocking your engineering screens BBOS is not responsible for any damage that may be cause by doing that. Depending on what was done to the phone it may not show any usage... IE-wet phone equals new motherboard... no usage. anything along those lines
hence why i said in the first post.....
AT YOUR OWN RISK....
from what I can tell, most people won't have the ability to make any permanent changes because they don't have the proper device permissions which were set at manufacture.
But nonetheless, you are correct sir