List Of MTK Engineer Mode Code For Mediatek Phones (Secret Codes)

This article contains useful MTK Engineer Mode Code for Android (MTK Phones) – Get all the secrets codes used for tweaking, fixing, repairing and correction your Android phones (Lenovo, Tecno, Infinix, Samsung, Innjoo, Gionee, Xiomi etc) 

In this post today, I’ll be sharing with you some useful MTK Engineer Mode Codes that has been compiled from various websites. You might not have heard or seen many of these codes but I can assure you, they work like magic.
It has been tested this on MTK6577 but it should work on any Android device running Android O.S 4.0+ MTK phone.

MTK Engineer Mode Code for Mediatek Android Phones

Navigate to your phone dialer and type any of these secret codes;

Engineer mode

MTK Engineer Mode code for testing touch, GPS, WiFi, display, etc.
*#*#3646633#*#*

Samsung Logo

MTK Engineer Mode code “Registers” to make the boot logo the original Samsung.

• *#*#91#*#*

Testing Menu

MTK Engineer Mode code for various testing options

• *#*#4636#*#*

Language And Input

MTK Engineer Mode code for language and keyboard settings

• *#*#97#*#*

Reset Sim

MTK Engineer Mode code for SIM reset on the 77.

• *#*#46*#*#

Google Talk Service Monitor

MTK Engineer Mode code for complete monitor “Google Talk”.

• *#*#8255#*#*

Complete Information About your Phone

• *#*#4636#*#*

This code can be used to get some interesting information about your phone and battery. It shows following 4 menus on screen:

• Phone information
• Battery information
• Battery history
• Usage statistics

Factory data reset

• *#*#7780#*#*

This code can be used for a factory data reset. It’ll remove following things.

• Google account settings stored in your phone
• System and application data and settings
• Downloaded applications

It will NOT remove:

• Current system software and bundled application
• SD card files e.g. photos, music files, etc.

Note: Once you give this code, you get a prompt screen asking you to click on “Reset phone” button. So you get a chance to cancel your operation.

Format Android Phone

• *2767*3855#

Think before you give this code. This code is used for factory format. It’ll remove all files and settings including the internal memory storage. It’ll also reinstall the phone firmware.
Note: Once you give this code, there is no way to cancel the operation unless you remove the battery from the phone. So think twice before giving this code.

Phone Camera Update

*#*#34971539#*#*
This code is used to get information about phone camera. It shows following 4 menus: 

• Update camera firmware in image (Don’t try this option)
• Update camera firmware in SD card.
• Get camera firmware version
• Get firmware update count.

WARNING: Never use the first option otherwise your phone camera will stop working and you’ll need to take your phone to service center to reinstall camera firmware.

End Call/Power

• *#*#7594#*#*

This one is my favourite one. This code can be used to change the”End Call / Power” button action in your phone. Be default, if you long press the button, it shows a screen asking you to select any option from the silent mode, Airplane mode and Power off.
You can change this action using this code.You can enable direct power off on this button so you don’t need to waste your time in selecting the option.

File Copy for Creating Backup

• *#*#273283*255*663282*#*#*

This code opens a File copy screen where you can backup your media files e.g. Images, Sound, Video and Voice memo.

Service Mode

• *#*#197328640#*#*

This code can be used to enter into Service mode. You can run various tests and change settings in the service mode.

WLAN, GPS and Bluetooth Test Codes:

• *#*#232339#*#* OR*#*#526#*#* OR*#*#528#*#* – WLANtest (Use”Menu” button to start various tests)
• *#*#232338#*#* – Shows WiFi MAC address
• *#*#1472365#*#* ­ ­ – GPS test
• *#*#1575#*#* – Another GPS test
• *#*#232331#*#* – Bluetooth test
• *#*#232337#*# – Shows Bluetooth device address

Codes to get Firmware version information:

• *#*#4986*265046 ­ ­8#*#* – PDA, Phone, H/W, RFCallDate
• *#*#1234#*#* – PDA and Phone
• *#*#1111#*#* – FTA SW Version
• *#*#2222#*#* – FTA HW Version
• *#*#44336#*#* – PDA, Phone, CSC, Build Time, Changelist number

Codes to launch various Factory Tests:

• *#*#0283#*#* – Packet Loopback
• *#*#0*#*#* – LCD test
• *#*#0673#*#* OR*#*#0289#*#* – Melody test
• *#*#0842#*#* – Device test (Vibration test and BackLight test)
• *#*#2663#*#* – Touch screen version
• *#*#2664#*#* – Touch screen test
• *#*#0588#*#* – Proximity sensor test
• *#*#3264#*#* – RAM version

Important Note: The MTK Engineering mode application is a very good tool for developers. It reveals loads of information about the phone. Please if you have little or no knowledge about using this tool on your phone, please do not dial any of the shortcodes mentioned right above.