*#06#	- International Mobile Equipment Identity
##3646633## or ##54298##	- Engineering Mode (for smartphones based on MTK processor)
##4636##	- This code can be used to get some interesting information about Lenovo IdeaPhone K900 (32GB) (Phone, Battery, WiFi and other)
##225##	- Calendar Storage, show the number events in your calendar
##426##	- Google Play Services app with the information about the connectivity with the FCM server
*#0011#	- ServiceMode
*#0808#	- Change USB Settings
*#9900#	- Dump mode
*#9090#	- Diagnostic configuration
#0#	- General Test Mode
*#2663#	- TSP / TSK firmware update
#12580369#	- Software and hardware info
*#0283#	- Audio Loopback Control
#7465625638#	- Insert Network Lock Key Code
##759##	- RLZ Debug UI (Device ID, Activation Status and few other things
##36245##	- Display a debug information about your email ID
##8255##	- To launch Google Talk service monitor
##64663##	- Open engineering mode (Version, Bluetooth, Battery, Speakers)
##7780##	- Reset to factory settings.
27673855#	- Full reset EEROM.
##232338##	- Shows Wi-Fi Mac-address
##34971539## or *#34971539#	- Full information about the camera.
##1234##	- PDA and Phone firmware info
##7594##	- Changing the power button behavior-Enables direct poweroff once the code enabled
##1472365##	- For a quick GPS test
##273283255663282##*	- For a quick backup to all your media files
##1575##	- GPS Testing Code
##197328640##	- Enabling test mode for service activity
##0283##	- Packet Loopback test
*#0228#	- battery calibration

##232339## OR ##526##	- Wireless Lan Tests
##0##*	- LCD display test Code
##3264##	- Show Ram version
##1111##	- FTA Software version
##2664##	- Touch-Screen test
##0588##	- Test the proximity sensor
##8351##	- Enables voice dialing logging mode
##232331##	- Bluetooth test
##232337#*#	- To display Bluetooth Physic Address
##7262626##	- Field test
##0289## OR ##0673##	- Audio test
##0842##	- Backlight and Vibration test
##2663##	- Touch-screen version
##44336##	- Displays Build time and change list number
##49862650468##*	- PDA, Phone, Hardware, RF Call Date firmware info
##8350##	- Disables voice dialing logging mode
##2222##	- FTA Hardware verion

GSM codes for Lenovo IdeaPhone K900 (32GB)

Change code
*03old codenew codenew code#
- Change code for call barring
*04old PIN codenew PIN new PIN#
- Change SIM Card PIN code
*042old PIN2 codenew PIN2new PIN2#
- Change SIM Card PIN2 code
*05PUK codenew PUKnew PUK#
- Change SIM Card PUK code
*052PUK2 codenew PUK2new PUK2#
- Change SIM Card PUK2 code

Call waiting
*43#	- Activate call waiting
#43#	- Deactivate call waiting
*#43#	- Check status of call waiting

Call Forwarding
##002#	- Disable All Call Forwarding
*004PhoneNumber#	- Set all configured call diversions to PhoneNumber
##004#	- Unregister all configured call diversions

Configure call forwarding
*21PhoneNumber#	- Register and activate divert all calls to PhoneNumber
##21#	- Unregister divert all calls
*21#	- Activate divert all calls
#21#	- Deactivate divert all calls
*#21#	- Check status of divert all calls

Divert calls if your line is "no answer"
*61PhoneNumber#	- Register and activate divert on no answer to PhoneNumber
##61#	- Unregister divert on no answer
*61#	- Activate divert on no answer
#61#	- Deactivate divert on no answer
*#61#	- Check status of divert on no answer

Divert calls if your line is "not available"
*62PhoneNumber#	- Register and activate divert on not reachable
##62#	- Unregister divert on not reachable
*62#	- Activate divert on not reachable
#62#	- Deactivate divert on not reachable
*#62#	- Check status of divert on not reachable

Divert calls if your line is "busy"
*67PhoneNumber#	- Register and activate divert on busy
##67#	- Unregister divert on busy
*67#	- Activate divert on busy
#67#	- Deactivate divert on busy
*#67#	- Check status of divert on busy all call types
#6711#	- Check status of divert on busy voice calls
#6713#	- Check status of divert on busy fax calls
#6725#	- Check status of divert on busy data calls

Blocking all outgoing calls
*33code#	- Activate barr all outgoing calls (for code see "Safety" above)
#33*code#	- Deactivate barr all outgoing calls
*#33#	- Check status of barr all outgoing calls

All calls barring
*330code#	- Activate barr all calls
#330*code#	- Deactivate barr all calls
#330code#	- Check status of barr all calls

Block all outgoing international calls
*331code#	- Activate barr all outgoing international calls
#331*code#	- Deactivate barr all outgoing international calls
#331code#	- Check status of barr all outgoing international calls

Block all outgoing international calls except home country
*332code#	- Activate barr all outgoing international calls except home country
#332*code#	- Deactivate barr all outgoing international calls except home country
#332code#	- Check status of barr all outgoing international calls except home country

Block all outgoing calls
*333code#	- Activate barr all outgoing calls
#333*code#	- Deactivate barr all outgoing calls
*#333#	- Check status of barr all outgoing calls

Blocking all incoming calls
*35code#	- Activate barr all incoming calls
#35*code#	- Deactivate barr all incoming calls
*#35#	- Check status of barr all incoming calls

All incoming calls barring when roaming
*351code#	- Activate barr all incoming calls when roaming
#351*code#	- Deactivate barr all incoming calls when roaming
*#351#	- Check status of barr all incoming calls when roaming

Block all incoming calls
*353code#	- Activate barr all incoming calls
#353*code#	- Deactivate barr all incoming calls
*#353#	- Check status of barr all incoming calls

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Lenovo IdeaPhone K900 (32GB) secret codes

User questions and comments about secret codes Lenovo IdeaPhone K900 (32GB)

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