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Secret codes for Samsung Metro 312 (SM-B312E)

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All Samsung secret code

Samsung secret codes

*#06# - IMEI (International Mobile Equipment Identity) number
*#1111# or *#9999# or *#0837# - Open Software version Samsung Metro 312 (SM-B312E).

*#0808# - Access and customize your device's USB settings.

*#2222# - Display Hardware Version.

*#9090# - Enter Diagnostic Configuration /RAM Dump

*#1234# - View SW Version PDA, CSC, MODEM, Firmware version

*#0*# - General Test Mode of your device.

*#2663# - TSP / TSK firmware update

*#12580*369# - Software and hardware info will be displayed on the screen.

*#0283# - Audio Loopback Control

*#0228# or *#9998*288# or *#9998*0288# or *#8999*228# - Battery status ADC, RSSI reading

*#0011# - Display ServiceMode Samsung Metro 312 (SM-B312E).

#7465625*638*# - Insert Network Lock Key Code

*#34971539# - Show Camera Firmware Menu


GSM codes for Samsung Metro 312 (SM-B312E)


Change PIN code - **04* and enter the old PIN code, and twice a new PIN code.
Change PIN2 code - **042* and enter the old PIN2 code, and twice the new PIN2 code.
Unlock SIM (PIN) - **05* and enter the PUK code and new PIN code twice
Unlock SIM (PIN2) - **052* and enter the PUK2 code and new PIN2 code twice

Call Forwarding (you have to order the service from the operator)
##002#Deactivate call forwarding
##004#Cancel all conditional call forwarding
**004* phone number #Activate all conditional call forwarding


Unconditional call forwarding (Call Forward All)
###21 Switch off and deactivate
#21# Deactivate
**21*phone number# Enable and Activate
*21# Activate
*#21# Check the condition


Diversion in case of "no answer"
###61 Switch off and deactivate
#61# Deactivate
**61* phone number# Enable and Activate
*61# Activate
*#61# Check the condition


Diversion in case of "not available"
### 62 Switch off and deactivate
# 62 # Deactivate
** 62 *phone number# Enable and Activate
* 62 # Activate
* # 62 # Check the condition


Diversion in case of "busy"
###67 Switch off and deactivate
#67# Deactivate
**67*phone number# Enable and Activate
*67# Activate
*#67# Check the condition



Call Barring (you have to order the service from the operator)
Change the password for all bans (default - 0000)
- ** 03 * 330 * old password * new password * new password #

How to turn off all outgoing calls
**33*(enter password)#@ - Enter to activate
#33*(enter password)#@ - Enter to deactivate
*#33#@ - Check

Block calls
*330*(enter password)# - Enter to activate
#330*(enter password)# - Enter to deactivate
*#330# - Check

Barring of all outgoing international calls
*331*(enter password)# - Enter to activate
#331*(enter password)# - Enter to deactivate
*#331# - Check

Block outgoing international calls when roaming
*332*(enter password)# - Enter to activate
#332*(enter password)# - Enter to deactivate
*#332# - Check

Restrict of all outgoing calls
*333*(enter password)# - Enter to activate
#333*(enter password)# - Enter to deactivate
*#333# - Check

How to turn off all incoming calls
*353*(enter password)# - Enter to activate
#353*(enter password)# - Enter to deactivate
*#353# - Check

Block incoming calls when roaming
*351*(enter password)# - Enter to activate
#351*(enter password)# - Enter to deactivate
*#351# - Check

Call waiting (you have to order the service from the operator)
*43# - Enter to activate
#43# - Enter to deactivate
*#43# - Check

Transfer your phone number (Anti ANI)
#30#phone number - Block
*30#phone number - Allow
*#30# - Check

Show phone number of the caller you (ANI)
#77# - Block
*77# - Allow
*#77# - Check

Proceed with Caution: Use codes with care, as incorrect usage could affect device functionality.

If you're unsure about a code, do not use it. It's better to be safe than sorry.



Tarik Tonkov
Mobile technology specialist
Tarik Tonkov is a computer scientist and programmer turned tech journalist with a keen interest in the world of smartphones and tablets. He previously wrote for Android Life and was also a ghostwriter for several technology and automotive publications. He appreciates the reliability and beauty of smartphones, the symbiosis of characteristics and usability. In his free time, Tarik likes to travel by car and polish his programming skills to create small useful programs.





Comments, Questions and Answers about the secret codes of Samsung Metro 312 (SM-B312E)


sugunaAugust 21, 2023
I find my mobile password

Reply      
NurideenJune 26, 2022
How do i unlock M-B312E forgot password

Reply      
YuvrajMay 13, 2021
SM-B312E message counter reset password

Reply      

AzidFebruary 06, 2024
Invalid sim card
 
AnamikaFebruary 25, 2021
Forget password... How to unlock???

Reply      
Amit BhoirJanuary 30, 2021
invalid sim solution

Reply      
jemJanuary 25, 2021
how to reset b312e phone lock

Reply      
RamJanuary 04, 2021
Bootkey

Reply      
VINAYDecember 04, 2020
How to unlock sim lock

Reply      
HailemekonenOctober 13, 2020
Sm-B312E
Sim lock problem

Reply      
Vinod Kumar kurmiOctober 05, 2020
SIM lock password kaise kholen

Reply      
AkJuly 03, 2020
How i activate PSMS service

Reply      
Gourav SharmaMay 20, 2020
How to download large size application

Reply      
Dharam balotOctober 25, 2019
I want to reset Phone switch on password

Reply      
SHEKHARAugust 21, 2019
I forget my SM-B312E phone lock how to reset it

Reply      
Jitendra KumarNovember 19, 2018
Remove sim lock on samsung (SM B312E) CODE PLEASE

Reply      
SamsungSeptember 18, 2018
Metro 312 sm-b312e

Reply      
K.kSeptember 16, 2018
How to open phone lock Samsung sm B312E

Reply      
Sanjib Kumar DeySeptember 10, 2018
Please Sim lock unlock code

Reply      
Oppel jurninhoSeptember 08, 2018
Sim lock unlock code

Reply      
HarshAugust 31, 2018
I find my mobil password

Reply      


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