Galaxy A21s
Model= SM-A217f/
Digital Mobile IMEI=#*2565# =Check Blocking #*3353# =check code #*3837# = White for IMEI 35131712000552 secs than restarts
#*3849# = white for secs 3521158720735091 than restarts. #*7222# =
#*7252# = Operation Type
#*7271# =Multi Slot
#*7271# =Multi Slot
#*7337# = EPROM Reset ( unlock and resets Wap settings)
#*2787# =CRTP ON/OFF
#*3737#= L1 Dbg Data
#*5133# =L1 Dbg Data
#*7288# =GPRS Attached
#*7287# =GPRS Detached
#*7666# =SrCell Data
#*7693# =Sleep Act/Deact
#*7284# =Class B/C
#*2256# =Calibration Info
#*2286# =Battery Data
#*2679# =Copycat Feature
#*3940# =External loop 9600 bps
#*8462# =sleep time
#*5176# =L1 Sleep
#*5187#= L1C2G Trace
#*3877#= Dump Of spy trace
*#8999*8376263# =HW Ver SW Ver and build date
*#746565# =Checks the locks
*7465625*638*Code# =Enables Network lock
#7465625*638*Code#= Disables Network lock
#7465625*782*code# =Disables Subset lock
*7465625*782*code# =Enables subset lock
*Known Unlock CODES*
S500/ P400/ E500/ E700/ X100/ X600/
E100/
Enter *2767*3855# with and accepted SIM
card If this codes fails,
For accepted sim card insert below code:
Enter *2767*688# or #*7337#
A300/ A400 / A800
*2767*637#
S100 / S300 / V200 / V205 / E710 / E715
/ D410 / X426/
*2767*7822573738#
Try this if above code fails:
1.) Insert sim card
2.) type #9998*3323# if it display wrong card
3.)Press exit and select 7.
4) Phone will reboot.
5.) SIM should work.
6.) Type *0141# and press call.
7.) Power off the phone and insert another sim card
8.) If a code is requested,Enter 00000000.
NOTE : Roni is NOT RESPONSIBLE FOR ANY PROBLEM OCCURS WHILE USING THESE CODE. ITS ALL DOWN TO THE USER WHO IS USING THESE CODE.
*#9998*289# : Change Alarm Buzzer Frequency
*#9998*364# : Watchdog
*#9998*523# : Change LCD contrast - Only with version G60RL01W
*#9998*746# : SIM File Size
*#9998*862# : Vocoder Reg - Normal, Earphone or carkit can be selected
*#9998*786# : Run, Last UP, Last DOWN
If the up Codes doesn't work, you should change *#9998* to *#0. i.e. *#9998*523# change to
*#0523#. An other thing that will help is to remove your SIM card. *0001*s*f*t# : Changes serial
parameters (s=?, f=0,1, t=0,1) (incomplete)
*0003*?# : unknown
*0003*?# : unknown
*#9998*377# : EEPROM Error Stack - Use side keys to select values. Cancel and ok
*#9998*427# : Trace Watchdog
*#9998*785# : RTK (Run Time Kernel) errors - if ok then phn is reset, info is put in memory error.
*#9998*778# : SIM Service Table
*#9998*947# : Reset On Fatal Error
*#9998*872# : Diag
*#9998*999# : Last/Chk
*#9998*324# : Debug screens
*#9998*636# : Memory status
*#9998*544# : Jig detect
*#9998*842# : Test Vibrator - Flash the screenligth during 10 seconds and vibration activated
*#9998*837# : Software Version
*#9998*228# : Battery status (capacity, voltage, temperature)
*#9998*246# : Program status
*#9998*9266# : Yann debug screen (=Debug Screens?)
*#9998*9999# : Software version
SP-unlock SGH-600 (and also SGH-Sgh-600
*2767*3855# : Full EEPROM Reset ( THIS CODE REMOVES SP-LOCK!! )
But also changes IMEI to 447967-89-400044-0. (Doing this is illegal)
*2767*2878# : Custom EEEPROM Reset
*These codes have been tested with version FLD_2C6 G60SB03X of Samsung SGH-600
Samsung SGH-600 Unlock Codes
*#9999# : Show Software Version
*#9125# : Activates the smiley when charging.
*#0001# : Show Serial Parameters
*#0837# : Show Software Version (instructions