For Android phone, you may
know there is a developer mode
hidden.For the
mistake operation,you may
make your Android phone
doesn't work in order or cause
some damage,Google hide this
function.You may wonder what
is developer mode for? In
the developer mode,you can
reboot system now,apply
sdcard:update.zip,wipe data/
factory reset, wipe cache
partition, battery
test, CPU test, moderate SIM card
information.
As for how to enter Android
developer mode, it's easy, just
input *#*#............
Get the codes and other important and valuable info click the below link
Note: How to re-edit your android phone (android developer) no skills required


Webmasters...., android developers and moders THis should be helpful to you.
it would put you through so many process through which your edit your android phone yourself, just like refurblishing but not exately, click below link to see full details.
www.snowbooks.com.ng/2016/08/how-to-enter-android-developer-mode.html?m=1