Nokia

* 3370 # Enhanced Full rate (language quality extended) on [ language quality is increased and Standby time shortened ] # 3370 # Enhanced Full rate (language quality extended) out [ Standby time is extended and language quality is veringert ] * 4720 # Rate helped on # 4720 # Rate helped out * # 0000 # or * # 9999 #, with the Nokia 8110 with: * # 8110 #, with the Nokia 3110 with: * # 3110 # Software-Version test 1. Line - Software version 2. Line date of issue of the software 3. Line telephone Model * # 92702689 # Activate test mode (Nokia 6110, 3210, 6150, 6130) 1. Picture manufacture date 2. Picture seriennummer (IMEI) 3. Picture sales date 4. Picture date of the last repair * # sim0clock # (* # 746025625 #) Shows on whether the SIM card the Deep Sleep mode supported.

Alcatel

000000 * Secret menu enter * # 000000 # Enter secret menu (One Touch Easy) Bosch

* # 0000 # Menu language sets on English # 3370 # To factory settings reset * # 9000 # Simlock code input * # 9100 # Simlock always remove * # 3262255*8378 # Secret menu enter Ericsson

628 - > *, <-, <-, *, <-, * Software information display 0 # The last called number selects * # 0000 # The menu language sets on English 688 - > *, <-, <-, *, <-, *, CLR Software information display * # 0000 # The menu language sets on English < *, *, <Displays the network status 788 *, - > *, <-, <-, *, <-, * Software information display 888 *, - > *, <-, <-, *, <-, * Software information display GF388 - > *, <-, <-, *, <-, * Software information and manufacture date display

 Motorola

* # 06 #, then the left soft key press Display 1000 software information with CMDX (SIM Card must first raus!)

Philips

DIGA * # 2558 * # Entire connecting time display * # 7489 * # Sicherheitscode FIZZ * # 8377 * # Software information display * # 1234 * # Sicherheitscode * # 8377 * # Information display SPARK * # 8377 * # Information display GENIUS * # 2558 * # The time which one was altogether connected * # 7489 * #

Sicherheitscode Sagem

MENU - 5 - 1 - 1 - # Secret menu enter Samsung

* # 9999 # Software information display * # 9998*228 # Battery information displays * # 9998*246 # Software status display * # 9998*523 # Contrast change * # 9998*842 # Vibration test * # 9998*947 # To factory settings reset (fatal error)

 Siemens

* # 9999 # To factory settings reset

GSM code

* # 06 # IMEI number (seriennummer) display.

 * 31 # before a call number Own number is transmitted (CLIR).

# 31 # before a call number Own number is not transmitted (CLIR out)

* 30 # selecting Call number-show detailed callings switch on. (TIE-clip)

# 30 # selecting Call number-show detailed callings switch off. (TIE-clip out)

* 43 # selecting Knock

# 43 # selecting Knock out

 ** 21*Nummer # selecting Rufumleitung normal discussions immediately on input number switch on.

 ## 21 # selecting Rufumleitung normal discussions switch off.

* # 21 # selecting Status query of the rufumleitung normal discussions.

 ** 62*Nummer # selecting Rufumleitung if not attainable on indicated number switch on.

## 62 # selecting Rufumleitung if not attainable switch off.

* # 62 # selecting Status query of the rufumleitung if not attainable.

 ** 61*Nummer # selecting Rufumleitung after that 5. Bells on indicated number switch on.

** 61*Nummer * time # selecting Rufumleitung after indicated time on indicated number switch on.

## 61 # selecting Rufumleitung after certain time or 5mal bells switch off.

* # 61 # selecting Status query of the rufumleitung after certain time or 5mal bells.

** 67*Nummer # selecting Rufumleitung with filled on indicated number switch on.

## 67 # selecting Rufumleitung with filled switch off.

* # 67 # selecting Status query of the rufumleitung with fills.

 ## 002 # selecting All rufumleitungen switch off.

 ## 004 # selecting All rufumleitungen switch off except normal discussions.

 * 33*Code # selecting Blocking of all outgoing callings switch on.

# 33*Code # selecting Blocking of all outgoing callings switch off.

* # 33 # selecting Status of the blocking of all outgoing callings test.

* 331*Code # selecting Blocking of all outgoing foreign callings switch on.

# 331*Code # selecting Blocking of all outgoing foreign callings switch off.

 * # 331 # selecting Status of the blocking of all outgoing foreign callings test.

* 332*Code # selecting Blocking of all outgoing callings, except in the own network, switch on.

# 332*Code # selecting Blocking of all outgoing callings, except in the own network, switch off.

* # 332 # selecting Status of the blocking of all outgoing callings, except in the own network, test.

 * 35*Code # selecting Blocking of all arriving callings switch on.

# 35*Code # selecting Blocking of all arriving callings switch off.

* # 35 # selecting Status of the blocking of all arriving callings test.

 * 351*Code # selecting Blocking of all arriving callings, if in other network, switch on.

# 351*Code # selecting Blocking of all arriving callings, if in other network, switch off.

* # 351 # selecting Status of the blocking of all arriving callings, if in other network, test.

 # 330*Code # selecting All calling by run gene switch off.

** 04*Alte PIN*Neue PIN*Neue pin # selecting PIN number modify.

 ** 042*Alte PIN2*Neue PIN2*Neue PIN2 # selecting PIN number 2 modify.

** 05*PUK*Neue PIN*Neue pin # selecting PIN with the PUK number set again

 ** 052*PUK2*Neue PIN2*Neue PIN2 # selecting PIN2 with the PUK2-Nummer set again