Secret codes of the Android operating system

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Not so long ago we talked about secret menu “For Devel­op­ers”, which allows you to reveal addi­tion­al fea­tures of the Android sys­tem. But the hid­den pos­si­bil­i­ties are not lim­it­ed to this menu. Your smart­phone knows many secret codes that were pre­vi­ous­ly intend­ed for ser­vice cen­ter employ­ees.

Codes must be entered in the stan­dard phone appli­ca­tion, where you indi­cate the num­ber when call­ing. The acti­va­tion of the code occurs auto­mat­i­cal­ly when it is com­plet­ed.

Please note that some of the codes below are not suit­able for all smart­phones and not for all ver­sions of the oper­at­ing sys­tem. Also, some codes may pose a threat to the data on the device. So use them care­ful­ly.

Information codes

  • *#06# — shows IMEI, a unique mobile device iden­ti­fi­er. The IMEI can come in handy if you are try­ing to send a smart­phone or mobile phone using a couri­er ser­vice. For exam­ple, “Nova Posh­ta” indi­cates the IMEI of the device in the dec­la­ra­tion.
  • *#0*# — infor­ma­tion menu (does not work on all devices).
  • *#*#4636#*#* — infor­ma­tion menu.
  • *#*#34971539#*#* — infor­ma­tion about using the cam­era.
  • *#*#1111#*#* — infor­ma­tion about the soft­ware.
  • *#*#1234#*#* — infor­ma­tion about the hard­ware of the device.
  • *#12580*369# — infor­ma­tion about soft­ware and hard­ware.
  • *#7465625# — device lock sta­tus.
  • *#*#232338#*#* — MAC address devices.
  • *#*#2663#*#* — touch­screen ver­sion.
  • *#*#3264#*#* — RAM ver­sion.
  • *#*#232337#*# — infor­ma­tion about the Blue­tooth mod­ule.
  • *#*#2222#*#* — addi­tion­al infor­ma­tion about the hard­ware.
  • *#*#44336#*#* — infor­ma­tion about the soft­ware ver­sion and updates.

Test and diagnostic codes

  • *#*#197328640#*#* — test mode.
  • *#*#232339#*#* — test Wi-Fi.
  • *#*#0842#*#* — Vibra­tion and dis­play bright­ness test.
  • *#*#2664#*#* — touch­screen test.
  • *#*#232331#*#* — Blue­tooth test.
  • *#*#7262626#*#* — cell sig­nal test.
  • *#*#1472365#*#* — quick GPS test.
  • *#*#1575#*#* — com­plete GPS test.
  • *#*#0283#*#* — pack­et rout­ing test.
  • *#*#0*#*#* — LCD test.
  • *#*#0289#*#* — test audio.
  • *#*#0588#*#* — prox­im­i­ty sen­sor test.

Codes for smartphones of specific manufacturers

Motorola

  • ##7764726 — hid­den menu of Motoro­la Droid smart­phones.

HTC

  • *#*#3424#*#* — HTC test pro­gram.
  • ##786# — reset HTC set­tings.
  • ##3424# — HTC diag­nos­tic mode.
  • ##33284# — HTC cel­lu­lar sig­nal test.
  • ##8626337# — start speech syn­the­sis.
  • *#*#4636#*#* — HTC infor­ma­tion menu.

Other codes

  • *#7780# — (care­ful­ly!) reset to fac­to­ry set­tings. All third par­ty appli­ca­tions will be removed.
  • *2767*3855# — (care­ful­ly!) full reset to fac­to­ry state. Removes third-par­ty appli­ca­tions and files on the device. The func­tion can be use­ful if you want to clean your smart­phone before sell­ing it. Oth­er­wise, do not enter this code.
  • *#*#7594#*#* — pow­er off the smart­phone.
  • *#*#8351#*#* — enable the voice dial­ing reg­is­tra­tion mode.
  • #*#8350#*#* — turn off the voice dial­ing reg­is­tra­tion mode.



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