Secret codes for Krez SM503 Duo LTE
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KREZ secret codes
*#06# - IMEI (International Mobile Equipment Identity) numberANDROID KREZ secret codes for Krez SM503 Duo LTE
*#*#4636#*#* - This code can be used to get some interesting information about Krez SM503 Duo LTE and battery. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)
*#*#225#*#* - This code show the number of festivities and events in your calendar
*#*#426#*#* - This code show Google Play
*#*#759#*#* - RLZ Debug UI (Device ID, Activation Status and few other things
*#*#36245#*#* - Show Email debug informations
*#*#8255#*#* - This code show the GTalk Service Monitor
*#*#64663#*#* - Hardware Test (Version, Sensors, Sim, WLAN, Bluetooth, Battery, OTG, Radio, Speakers)
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - Opens a File copy screen where you can backup your media files
*#*#7780#*#* - Reset mobile phone to factory settings. It'll remove following things: (Downloaded applications, Google account, all data and settings)
*2767*3855# - This code is used for factory format.
*#*#7594#*#* - Modify the action of the "End Call / Power" button on your phone.
*#*#34971539#*#* - This code is used to get information about phone camera.
*#*#97#*#* - Language and Keyboard settings in Krez SM503 Duo LTE
*#872564# - USB logging control
*#301279# - HSDPA/HDUPA settings
*#9900# - System dump mode Krez SM503 Duo LTE
*#*#46*#*# - Reset Sim in Krez SM503 Duo LTE
*#*#197328640#*#* - Enter service mode to run various tests and change settings
WLAN, GPS and Bluetooth Test Codes:
*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* - WLAN test (Use "Menu" button to start various tests)
*#*#232338#*#* - This code is Shows WiFi MAC address.
*#*#1472365#*#* - GPS test mode
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - Bluetooth test
*#*#232337#*# - Shows Bluetooth device address in Krez SM503 Duo LTE
GSM codes for Krez SM503 Duo LTE
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# | Cancel all 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 #
Barring of all outgoing calls
**33*(enter password)#@ - Activate
#33*(enter password)#@ - Deactivate
*#33#@ - Check the condition
All calls barring
*330*(enter password)# - Activate
#330*(enter password)# - Deactivate
*#330# - Check the condition
Blocking of all outgoing international calls
*331*(enter password)# - Activate
#331*(enter password)# - Deactivate
*#331# - Check the condition
How to bar all outgoing international calls when roaming
*332*(enter password)# - Activate
#332*(enter password)# - Deactivate
*#332# - Check the condition
Barring of all outgoing calls
*333*(enter password)# - Activate
#333*(enter password)# - Deactivate
*#333# - Check the condition
Barring of all incoming calls
*353*(enter password)# - Activate
#353*(enter password)# - Deactivate
*#353# - Check the condition
All incoming calls barring while roaming
*351*(enter password)# - Activate
#351*(enter password)# - Deactivate
*#351# - Check the condition
Call waiting (you have to order the service from the operator)
*43# - Activate
#43# - Deactivate
*#43# - Check the condition
Transfer your phone number (Anti ANI)
#30#phone number - Block
*30#phone number - Allow
*#30# - Check the condition
Show phone number of the caller you (ANI)
#77# - Block
*77# - Allow
*#77# - Check the condition
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. | |
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