Samsung phone unlock: * 2767*2878 #/* 2767*7377 # Samsung phone pad Reset: * 2767*3855 # It can also be used to unlock the device or lock Samsung display temperature, battery capacity: * #0228 # Samsung adjustable display contrast: * #0523 # Samsung Software Version: * #9999 # Samsung A100-A188 to see the version: * #0837 # Motorola T2688 unlock all the lock: 19980722 T2688/2988/988 d no Chinese characters: * #0000 # OK (plug-in) Motorola organic lock: Press MENU \ + 5 \ + 1/2 Siemens to restore factory settings: * #9999 # Siemens 文: * #0000 #/* #0086 # Siemens Software Version: * #06 # left-click Ericsson to return to English: * #0000 # Ericsson new server return to English: Press CLR-left-click-0000-right-click Ericsson to display the factory Date: right, *, left, left, *, left, and * keys Nokia highlighted factory Date: * #0000 # (plug-in card) Nokia saves 30% power: * #746025625 # Philips force reconnection: * #25 62 * # Philips display and change the phone password: * #7489 * # BOSCH (BOSCH) 909S back to Chinese: * #0852 # BOSCH (BOSCH) 909s back to English: * #0851 # NEC display software version: * #2820 # NEC restores factory settings: * #73738 # hidden feature of waveguide s1000: * #1705 # unlock waveguide s1000: * #1705 #46 (also used for 999D, 720), for example, dead-end use --- 24681357 (or directly use it to solve) waveguide 8xx/9xx series: * #7-14 digits # remove the last 9 digits of the SIM card waveguide string from the last digits ALCATEL OT221/220 unlock: 25228352/ALCATEL \ + d alcatel OT301/302 unlock: 83227423 Alcatel OT500/700 unlock: 25228352 KONKA: * #0001 # * #1001 #### 1001 # KONKA light snow 5219: #8879576 # Original: 1234 GVC: * #1001 * (Haier) China South Gaoke 320 activate key #1001 #, then install the card and input 0000 OK Mitsubishi NET LOCK: * 787090 or * 787292 Mitsubishi IMSI LOCK: * 362628 or * 360608 Mitsubishi NETSUB LOCK: * 476989 Mitsubishi cp lock: * 482896 or * 480896 Mitsubishi sp lock: * 967678 Mitsubishi ext lock: * 574243 when the phone is in STANDBY state, enter the following key combinations: * #06 # view IME serial code hacker * #2254 * # display status line * #2255 * # enable or disable (debug call) mode * #2558 * # display the call time * #2562 * # force a new connection to the network system * #7489 * # display and change the phone password * #7378 * # display some SIM card information, for example, phase (phaselevel) * #3377 * # Read SIM card information, initialize and mark * #7693 * # enable or disable sleep mode * #8463 * # Reading sleep mode information * #337 * # enable/disable EFR mode * #4764 * # single-frequency/dual-frequency setting (switching single-frequency GSM900) * #4765 * # single-frequency/dual-frequency setting (switching single-frequency GSM1800) * #4762 * # single-frequency/dual-frequency setting (switching to dual-frequency mode) the ALCATEL test key is in standby mode, enter "000000 *" to monitor network conditions, including signal strength and channels in use. When the NEC DB2000 mobile phone is in standby mode, enter the following buttons: "* #2820 #", and then press the call key to display the software version of the mobile phone. "* 73738 #", and then press the call key to return to the factory status of the mobile phone. For mobile phones of early Samsung versions, you can enter the following commands to enter the testing status: key code test function/name * #9999 # display mobile phone software version * 2767*2878 # current reset set on phone (unlock mobile phone) * 2767*3855 # Total reset on phone EEPROM (repair software fault) * #9998*228 # Read battery parameters * #9998*289 # test the zhenling signal frequency * #9998*246 # program parameter display * #9998*364 # WATCHDOG signal test * #9998*377 # EEPROM error display * #9998*427 # WATCHDOG signal path setting * 9998*523 # LCD display contrast adjustment * 9998*636 # Storage Status display * 9998*842 # vibrator Vibration test * 9998*947 # reset setting * 9998*9266 with major errors # display the receiver channel number and receiver strength Samsung new mobile phones (starting from Samsung 600) the supported test commands are much less, basically only the following Successful: * 2767*2878 # (EEPROM reset) * 2767*3855 # (total EEPROM reset, IMEI may change to the initial code) * #9999 # (Check the version) * #0523 # (adjust the LCD contrast) * 2767*7377 # (reset command to unlock the phone password), especially * #0523 # input. Some models of mobile phones need to be inserted into the card, some are unnecessary. In addition, if the input is successful and the input fails, it is because of the Memory Effect on the mobile phone software. You can unload the cell phone's battery and try again (for example: * 2767*3855 # After the command is entered, sometimes the battery is not reloaded, and the phone cannot be started ). Samsung SGH-N288 mobile phone test command * #0001 # display RS232 serial communication parameters * #0228 # display battery capacity, voltage and temperature * #0246 # program parameter display * #0324 # network detection (Engineering mode) * #0364 # display the Watchdog status. You can modify * #0377 # EEPROM error display * #0427 # WATCHDOG signal path setting * #0523 # adjust the contrast and modify it with caution; * #0636 # memory capacity display * #0746 # SIM card file specification Test * #0778 # SIM card information * #0786 # The display content is the start time and the current time after the current Boot. long. Press-> to display the latest time from the current Boot time; then press-> to display the last boot time; press-> to display the last shutdown time and duration of the last shutdown. * #0837 # display detailed software version * #0842 # Vibration test * #0947 # reset setting command * #9999 # display software version * 2767*2878 # EEPROM reset, the phone sets the total cleanup, which can be used to unlock 2767*3855 # Remove the program from the font and reset the EEPROM to the factory value. You can use this command to restore the original factory body number for a mobile phone that has modified the IMEI code. This command is also used for various faults caused by program disorder in the EEPROM (Code chip. The IMEI (International Mobile Equipment Identity) code is displayed in [* #06. Enter [* #06 #] + [left soft key] to view the software version number. The above operation can be performed without SIM card insertion. Enter [* #0000 #] + [Emission key] and change it to the default language (English ?). Enter [* #0001 #] + [Emission key] and change it to English. Enter [* #0086 #] + [Emission key] and change it to simplified Chinese. Enter [* #0886 #] + [Emission key] and change it to traditional Chinese. Press [*] to enable or disable the ringtone. Long press [#] to enable or disable the keyboard lock. Long press [upper key on the Left] to enable context Mode settings. Long press [left-side down key] to enable dialing. Press the [recording key on the right] To play the recorded audio. You can play it at any time, including during the call. Press the [recording key on the right] and start recording until it is released or 20 seconds later. When the keyboard lock is used, you can press the [Hanging up key] to temporarily enable luminous lighting. Press [Phone Book] twice to enter the VIP phone book. [1] + [transmit key] to enter the voicemail (you must set the voicemail service number in [menu> Short Message> voicemail ). [0] + [left soft key] can switch between line 1 and line 2 (as if not supported in most regions, including Zhuhai ). [Number key] + [#] displays the phone book name stored in the SIM card location (provided that at least one phone number is stored in the SIM card ). Long press [0] will show + words, and you can use the left soft key to select the country long talk code (location by English name ). Shortcut Key settings: [number key] → [left soft key] → [Right soft key] (Change) options will appear at this time, select (if you select a phone number, enter the phone book and select the name of the phone to be quickly launched.) use [number key] → [Emission key. If you want to unlock a Siemens Mobile Phone lock, please enter the unlock code on your phone and wait for it to unlock automatically, the time ranges from 1 second to 60 minutes.★How to remove the Motorola mobile phone PIN password when you accidentally forget the configured PIN, or when someone else sets a PIN on your mobile phone, PUK will be very helpful. After you enter the wrong PIN three times, the SIM card is locked and you must use PUK to unlock it. PUK 8-digit code is generally on the back of the big card. If you cannot find the code, you must query it at the local customer service center as soon as possible.★No matter what settings are made on your Motorola mobile phone, the main purge and the primary reset result may result in the following problems: the phone cannot be normally pulled out, the incoming call is garbled, or the phone book cannot be deleted, and so on, you can use the following methods to restore. The MENU key \ + 5 \ + 1 (2) screen displays "Master clear or master RESET". If you select "Master clear", the following operations are performed: 1. Clear the phone project from the phone memory. 2. Clear the outgoing call number and incoming call number. 3. the time table can be cleared. However, the following functions cannot be cleared: Fixed Number table, local number table, billing table, received and outgoing short messages. Select master reset, and the following will be executed: 1. Return the original language selection. 2. When the Standard Volume record is set to medium and the network search frequency is set to medium, the automatic response is canceled, and the voice prompt is calculated. Billing is displayed in the prompt box, power-saving, hands-free, and lock automatically, residential broadcasting and fax.★The Motorola T2688 Keyboard can be unlocked through the keyboard. You only need to enter 19980722. However, it only supports the current card and cannot reset the phone.★Enter the testing command status of the motorola gsm mobile phone: power on the mobile phone after the SIM card is inserted for testing. When the internal automatic "wake up" function is successfully completed, press the "#" key for three seconds. After three seconds, the mobile phone displays "TEST", indicating that the mobile phone has entered the TEST status. The TEST command is as follows: 01 #: exit the TEST status 02 xxyy: display/change Tx power level DAC with Mount PA calibration table, similar to ETACS 72 # command 07 #: Disable Rx Audio channel 08 #: Open Rx Audio channel 09 #: disable Tx Audio channel 10 #: Enable Tx Audio channel 11ABC #: Set channel ABC = 000 ~ 124 12AB #: Set the power level AB = 00 ~ 19 #: Display call processor software version 20 #: Display modem software version 22 #: Display audio codecs software version 82 #: Check U801 version 24A #: set AGC step A = 0 or 1 25ABC #: Set consecutive AGC to ABC, ABC = 0 ~ 255 26 ABCD #: Set continuous AFC to ABCD, ABCD = 0 ~ 4095 31A #: set the time slot to A, A = 0 ~ 7 33ABC #: capture ABC channel in one step 36 #: Enable audio loop 37 #: Abort test 38 #: Activate SIM card 39 #: invalidate SIM card 40 #: transmit all "1" information 41 #: transmit all "0" Information 43A #: Change Audio channel to A 45ABC #: Read signal strength on channel ABC, ABC = 0 ~ 124 46 #: display the current afc dac value 47A #: Set the volume A = 0 ~ 7 490 #: Read lithium battery information 57 #: Clear the reserved memory, equivalent to 32 of ETACS # command 58 ABCDEF #: Set the password to ABCDEF 59 ABCD #: display/change unlock code 60 #: Display IMEI (international mobile device identification code) 65 #: Display IMSI 7100 #: Mobile Phone self-check, 03, 04 is a Modem IC error, 05. 06 is a SpeechCode IC error. 07 is a software error and a transfer card is required. 08 indicates that the mobile phone is normal, and 00 and 01 indicate a CPU error. Phillips mobile phone cheats ◆ display IMEI number: * #06 # ◆ display status line * #2254 * #: C, BS, RR, MMI, CREAT. ◆ DEBUG CALL) mode * #2255 * # ◆ display the total call time * #2558 * # ◆ force re-access to the network * #2562 * # ◆ display and change the mobile phone password * #7489 * # ◆ display some SIM card information, for example, the phase level (phase level) * #7378 * # ◆ get SIM card lock information, initialization and flag * #3377 * # ◆ activating and disabling sleep mode * #7693 * # ◆ obtaining sleep mode information * #8463 *#