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Secret codes for UMX U673C

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UMX secret codes

*#06# - IMEI (International Mobile Equipment Identity) number

ANDROID UMX secret codes for UMX U673C

*#*#4636#*#* - This code can be used to get some interesting information about UMX U673C and battery. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)

*#*#225#*#* - Check your events in calendar

*#*#426#*#* - Check the connectivity between the FCM server and the mobile devices

*#*#759#*#* - Rlz Debug UI. Unique Device ID, PID, ACAP other data related to application installation.



*#*#36245#*#* - Access Email debug info

*#*#8255#*#* - For Google Talk service monitoring

*#*#64663#*#* - Hardware Test (Version, Sensors, Sim, WLAN, Bluetooth, Battery, OTG, Radio, Speakers)

*#2886# - Factory Auto Testing

*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - Create backup to all media files

*#*#7780#*#* - Return to factory setting. It'll remove following things: (Downloaded applications, Google account, all data and settings)

*2767*3855# - This code is used for factory format.



*#*#7594#*#* - Customize the operation of the "End Call / Power" button on your phone.

*#*#34971539#*#* - This code is to retrieve information about the phone camera.

*#*#97#*#* - Language and Keyboard settings in UMX U673C

*#872564# - USB logging control

*#301279# - Use this code to access the HSDPA/HDUPA control panel

*#9900# - System dump mode UMX U673C

*#*#46*#*# - Reset Sim in UMX U673C

*#*#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#*#* - Show GPS test mode

*#*#1575#*#* - For a more advanced GPS test

*#*#232331#*#* - Bluetooth test

*#*#232337#*# - Shows Bluetooth device address in UMX U673C

GSM codes for UMX U673C

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#	Disables 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)#@ - To Activate
#33*(enter password)#@ - To Cancel
*#33#@ - Check Status

Barring of all calls on your phone
*330*(enter password)# - To Activate
#330*(enter password)# - To Cancel
*#330# - Check Status

How to bar all outgoing international calls
*331*(enter password)# - To Activate
#331*(enter password)# - To Cancel
*#331# - Check Status

How to block all outgoing international calls when roaming
*332*(enter password)# - To Activate
#332*(enter password)# - To Cancel
*#332# - Check Status

Barring of all outgoing calls on your phone
*333*(enter password)# - To Activate
#333*(enter password)# - To Cancel
*#333# - Check Status

Barring of all incoming calls
*353*(enter password)# - To Activate
#353*(enter password)# - To Cancel
*#353# - Check Status

Barring all incoming calls during roaming on your phone
*351*(enter password)# - To Activate
#351*(enter password)# - To Cancel
*#351# - Check Status

Call waiting (you have to order the service from the operator)
*43# - To Activate
#43# - To Cancel
*#43# - Check Status

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

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

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.

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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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Comments, Questions and Answers about the secret codes of UMX U673C

Rob	August 04, 2022
Reset sim code so I can reset sim for new carrier Reply
An	February 20, 2022
Como utilisas ese celular,sin tarjeta sim?. Reply
Tom	February 06, 2022
I dropped my phone now screen real light less color mostly white Reply
JB	January 24, 2022
Is it possible to use a VPN with assurance wireless on this phone? Reply
Randy	November 26, 2021
What does service code mean? Reply
Tamara	November 23, 2021
My brand new phone battery life drains so fast like in hacked how can I find the problem for the fast battery drain or how do I fix it.... And my square home screen button stopped working like I cannot bring up my recent used apps and I think it is causing my phone to malfunction how do I fix it Reply
Tamara	November 23, 2021
My brand new phone battery life drains so fast like in hacked how can I find the problem for the fast battery drain or how do I fix it Reply
Tamara	November 22, 2021
My umx phone wont allow me to use the recent app button the square on bottem of screen how do i fix this Reply
Thomas	November 05, 2021
How do I recover data about the sim card that is now missing/stolen? Puk code or #? No cell service and no pun lock associated with the sim before it was removed? I want to track it's current location. / Mobilespecs.net Reply
JOE MARTIN	October 18, 2021
Got UMX PHONE # U693CL.. from Assurance Wireless Two weeks ago,, Recorder wont record,Push red button to record,, NOTHING, any ideas?? Seems NO one knows ,, Reply
BAHRI	September 29, 2021
Will the umx allow me to set a home address for 911 operators? Reply
Jerrod Burchett	September 28, 2021
Are these codes for this UMX phones is that a set of instructions 1 2 3 4 or is that just how I can go through and individually scan each function? Reply
Holly alys	September 19, 2021
How do I get the PUK code Reply
Brittany	March 20, 2021
How do you get through the security with the old Google account that was made on the phone? Reply
Hollie Thomas	December 15, 2020
How do I recover data about the sim card that is now missing/stolen? Puk code or #? No cell service and no pun lock associated with the sim before it was removed? I want to track it's current location. Reply
Hanan Flavia	April 29, 2020
i want to activate my finger print sensor Reply
Sherri	January 27, 2020
How do I run diagnostics on my phone's microphone. Reply
Jim Mooney	November 13, 2019
Access the programming menu Reply

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