Google Pixel 3a secret codes

OS: Android 9.0 (Pie)

CPU: Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)

Display: 5.6" inc

Camera: 12.2 MP, Single

Secret codes for Google Pixel 3a

*#06#	- IMEI (International Mobile Equipment Identity) number
##3646633## or ##54298##	- Engineering Mode (for smartphones based on MTK processor)
##4636##	- This code can be used to get some interesting information about Google Pixel 3a (Phone, Battery, WiFi and other)
##225##	- This code show the number of festivities and events in your calendar
##426##	- Information such as Event and part of information about the connection with Google Play Services
*#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 interface
##36245##	- Email debug information
##8255##	- To launch Google Talk service monitor
##64663##	- Test hardware (Version, Bluetooth, Battery, OTG, Speakers)
##7780##	- This code can be used for a factory data reset.
27673855#	- The firmware of the device is completely reinstalled
##232338##	- Displays 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 Control Menu
##197328640##	- Enabling test mode for service activity
##0283##	- Packet Loopback test
*#0228#	- battery calibration

##232339## OR ##526##	- Wireless Lan Tests
##0##*	- LCD display test
##3264##	- Ram version
##1111##	- FTA Software version
##2664##	- Touch-Screen test
##0588##	- Proximity sensor test
##8351##	- Enables voice dialing logging mode
##232331##	- Bluetooth test
##232337#*#	- Bluetooth address
##7262626##	- Field test
##0289## OR ##0673##	- Audio test
##0842##	- Vibration and Backlight test
##2663##	- Displays 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 Google Pixel 3a

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#	- �all waiting Enable
#43#	- �all waiting Disable
*#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

Activate or deactivate Call Forward All
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

Diversion in case of "no answer"
*61PhoneNumber#	- Register and activate divert on no answer to PhoneNumber
##61#	- Unregister divert on no answer
*61#	- Divert on no answer calls Enable
#61#	- Divert on no answer calls Disable
*#61#	- Check status of divert on no answer

Set call forwarding in case of "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

Diversion in case of "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

Activate or deactivate barring all calls
*330code#	- Enable Barr all calls on your phone
#330*code#	- Disable Barr all calls on your phone
#330code#	- Check status of barr all calls

Blocking 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

USSD Codes For Barring 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

Activate or deactivate barring 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#	- Enable Barr all incoming calls on your phone
#35*code#	- Disable Barr all incoming calls on your phone
*#35#	- Check status of barr all incoming calls

Activate or deactivate barring all incoming calls when roaming
*351code#	- Enable Barr all incoming calls when roaming on your phone
#351*code#	- Disable Barr all incoming calls when roaming on your phone
*#351#	- Check status of barr all incoming calls when roaming

Blocking all incoming calls
*353code#	- Blocking all incoming calls Enable
#353*code#	- Blocking all incoming calls Disable
*#353#	- Check status of Blocking all incoming calls