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Secret codes for T-Mobile REVVL Tab 2

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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 Tab 2

*#*#4636#*#* - Testing menu only have Phone Information, Usage Statistics and Wi-Fi information. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)

*#*#225#*#* - This code check your events in calendar

*#*#426#*#* - Google Play Services app with the information about the connectivity with the FCM server

*#*#759#*#* - Rlz Debug UI. Unique Device ID, PID, ACAP



*#*#36245#*#* - Debug email in apps/Email

*#*#8255#*#* - This code can be used to launch GTalk Service Monitor

*#*#64663#*#* - Open engineering mode (Version, Bluetooth, Battery, Speakers)

*#2886# - Factory Auto Testing

*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - To copy and backup media files

*#*#7780#*#* - This code erases all your mobile data. It'll remove following things: (Downloaded applications, Google account, all data and settings)

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



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

*#*#34971539#*#* - Display the phone's camera information.

*#*#97#*#* - Language and Keyboard settings in T-Mobile REVVL Tab 2

*#872564# - USB logging control

*#301279# - Display of the HSDPA/HSUPA Control Menu

*#9900# - System dump mode T-Mobile REVVL Tab 2

*#*#46*#*# - Reset Sim in T-Mobile REVVL Tab 2

*#*#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#*#* - Display of the Wi-Fi Mac address on your phone.

*#*#1472365#*#* - View GPS test mode

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

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

*#*#232337#*# - Shows Bluetooth device address in T-Mobile REVVL Tab 2

GSM codes for T-Mobile REVVL Tab 2

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 #

Restrict of all outgoing calls
**33*(enter password)#@ - Activate
#33*(enter password)#@ - Deactivate
*#33#@ - Check the condition

Blocking of all calls
*330*(enter password)# - Activate
#330*(enter password)# - Deactivate
*#330# - Check the condition

Block outgoing international calls
*331*(enter password)# - Activate
#331*(enter password)# - Deactivate
*#331# - Check the condition

Block outgoing international calls when roaming
*332*(enter password)# - Activate
#332*(enter password)# - Deactivate
*#332# - Check the condition

Block outgoing calls
*333*(enter password)# - Activate
#333*(enter password)# - Deactivate
*#333# - Check the condition

Restrict of all incoming calls
*353*(enter password)# - Activate
#353*(enter password)# - Deactivate
*#353# - Check the condition

Blocking all incoming calls when 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.

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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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