*3370# (efr0) : kich hoat
che do EFR, cho chat
luong am thanh tot hon
nhung ton pin
hon.#3370# (efr0) : tat
che do EFR neu da bat,
may se khoi dong
lai.*4720# (hrc0) : kich
hoat che do HRC, chat
luong am thanh kem
nhung it ton pin
hon.#4720# (hrc0) : tat
HRC neu co dung, khoi
dong lai may.*#0000# :
thong tin phan mem
(phien ban, NSX, ten
phan mem).*#7760
(srn0) : xem so
seri.*#06# : xem
IMEI.*#92702689#
(war0anty) : cac thong
tin bao
hanh.*#746025625#
(sim0clock) : kiem tra
sim xem co che do tiet
kiem pin hay
khong.*#7780# (rst0) :
khoi dong lai may (can
nhap mat
khau).*#7370# :khoi
phuc cai dat goc (can
nhap mat
khau).*#7370925538#
(res0wallet) : luu tru bi
mat wallet (phai biet mat
ma may).*#67705646#
(opr0logo) : xoa logo
mang, du ve mac dinh
la ten mang cung cap
dich vu.*#7220#
(pca0) : kich hoat che do
PCCH tiet kiem thoi gian
truy cap gprs (tuy vao
mang cung cap dich
vu).*#7230# (pcd0) : tat
PCCH, may tu khoi
dong lai.*#2640# : hien
thi ma bi mat dang su
dung.*#2820# : hien thi
bluetooth.*#7489# :
hien thi man hinh bao
ve.*#3925538# : xoa bo
chi tieu.x# : xem so thue
bao vi tri x trong the
sim (x tu 1-255).#pw
+1234567890+1# hoac
+2#, +3#, +4#, +5#,
+6#, +7# : kiem tra co
khoa hay khong.#pw
+xxxxxxxxxxxxxxx+1#
hoac +2#, +3#, +4#,
+5#, +6#, +7# : mo
khoa ma
symbian.>>Format may
symbian s60: Tat nguon
roi an giu dong thoi cac
phim *, 3, goi di va nut
tat mo nguon. Cac giu
lieu luu tru trong bo nho
dien thoai se bi xoa.(Ma
bao ve mac dinh cua
Nokia: 12345)
