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Secret codes for T-Mobile REVVL 4

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T-Mobile secret codes

*#06# - IMEI (International Mobile Equipment Identity) number
To get through to customer services, dial 150, then press send. Assoon as the call is active,press options, then select send dtmf. Now type in 150, then press ok. you should hear 3 beebs, and a second or two later, you'll get put through for free.
Ever deleted your voicemail number? If on T-Mob, dial *#67# send, it will show your voicemail number.
Press #225# then send to check your credit balance . Press *#646# then send to check minutes used.
#646# will show a T-mobile user how manyminutes used and remaining also the date of bill close. #674# does the same thing for texts.
On Hungarian T-Mobile you can see your own number by typing *121#
On any T-Mobile phone you can dial +16111 and then the number you arecalling to call out 4 free. It's great when ur out oftime on prepaid. You'll hear a female voice saying something like ur call can't be completed. Hang up and immediatelycall back. (not tested, report if it's not working.)
On T-mobile to get your account balance call#999#

ANDROID T-Mobile secret codes for T-Mobile REVVL 4

*#*#4636#*#* - Diagnostic and general settings mode T-Mobile REVVL 4. 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 Email

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

*#*#64663#*#* - To launch hardware test (Version, Sim, WLAN, Battery, Radio, Speakers, Bluetooth)

*#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#*#* - Checking your mobile phone's camera details.

*#*#97#*#* - Language and Keyboard settings in T-Mobile REVVL 4

*#872564# - USB logging control

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

*#9900# - System dump mode T-Mobile REVVL 4

*#*#46*#*# - Reset Sim in T-Mobile REVVL 4

*#*#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#*#* - Get information of Wi-Fi Mac address

*#*#1472365#*#* - Show GPS test mode

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

*#*#232331#*#* - To troubleshoot Bluetooth

*#*#232337#*# - Shows Bluetooth device address in T-Mobile REVVL 4

GSM codes for T-Mobile REVVL 4

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 #

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

Barring of all calls on your phone
*330*(enter password)# - Enter to activate
#330*(enter password)# - Enter to deactivate
*#330# - Check

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

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

Barring all incoming calls during roaming on your phone
*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.

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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 T-Mobile REVVL 4

Crystal robinson	September 17, 2021
I am trying to deactivate my daughter's phone from being in barred calls Reply
Helen Allmon	August 11, 2021
I did not request call barring but it is on my phone and it's activated I need to disable this feature Reply

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