Secret codes for Asus Zenfone 4 Max ZC550TL
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ASUS secret codes
*#06# - IMEI (International Mobile Equipment Identity) number.12345+= - Engineering Mode
ANDROID ASUS secret codes for Asus Zenfone 4 Max ZC550TL
*#*#4636#*#* - Android Testing Mode Asus Zenfone 4 Max ZC550TL. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)
*#*#225#*#* - Shows you everything that is saved on your Calendar such as Events, Holidays, Trips, Birthdays, Anniversary
*#*#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#*#* - Access GTalk Service Monitor
*#*#64663#*#* - Engineering Mode (Version, WLAN, 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#*#* - Tailor the function of the "End Call / Power" button on your phone to your preference.
*#*#34971539#*#* - Display the phone's camera information.
*#*#97#*#* - Language and Keyboard settings in Asus Zenfone 4 Max ZC550TL
*#872564# - USB logging control
*#301279# - Display of the HSDPA/HSUPA Control Menu
*#9900# - System dump mode Asus Zenfone 4 Max ZC550TL
*#*#46*#*# - Reset Sim in Asus Zenfone 4 Max ZC550TL
*#*#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 displays WiFi MAC address of your device.
*#*#1472365#*#* - Device GPS test
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - Bluetooth Test Mode
*#*#232337#*# - Shows Bluetooth device address in Asus Zenfone 4 Max ZC550TL
GSM codes for Asus Zenfone 4 Max ZC550TL
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 #
All outgoing calls barring
**33*(enter password)#@ - Activate
#33*(enter password)#@ - Deactivate
*#33#@ - Check the condition
Restrict 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
All incoming calls barring
*353*(enter password)# - Activate
#353*(enter password)# - Deactivate
*#353# - Check the condition
Restrict 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.
 | 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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