Here are some ways which you can simply
reset/restore your phone to default settings if
your phone is hanging or restarting or
malfunctioning.
PROCEDURES:
Java Phone
Press *#7780# or *#7370#, then enter your
password or enter Nokia default password
which is 12345
Symbian Phone
Press *#7780# or *#7370#, then enter
Your password (just like java phone) but there
some times that, you won’t be able to press the
above codes due to the fact that your phone
restarts quickly. So what you need to do is,
switch the phone off, hold down the green
button, then hold down 3key and hold star key
(*) now turn the phone on. Wait till it shows a
screen asking you to select country. You have
successfully format the phone. Note that this
hard reset doesn’t format your memory card.
Android
Press *2767*3855# or switch it off, hold the
“Down Volume Key” now power it on. Use the
volume key to navigate and use the power to
select
Sony Ericson
Press *#311# or *#*#7378423#*#*
Windows Mobile phone
Sprint: Touch – Hard reset is done by holding
the green and red buttons and then pressing
the small button beside the USB plug Motorola
Q9c – Power on holding the center button and it
will ask you if you want to hard reset..
Mogul: Hold soft keys while pressing reset
button on the side
Verizon Motorola Q : Power on holding the
center button and it will ask you if you want to
hard reset.
Motorola Q9M: Power on holding the center
button and it will ask you if you want to hard
reset.
AT&T... Read more here: www.gistspot.com/2014/12/23/how-to-format-all-mobile-phones-using-code/

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