MTK Engineering tools is an important IMEI tweaking tool for MediaTek enabled phones. In the past, I"ve shared quite a lot about this device. Scroll down to lớn learn more about all these useful codes.

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The code above sầu allows you to switch or force 4G LTE only on Samsung, Infinix, TECNO, Huawei và other Android devices out there. (Clichồng here khổng lồ see full guide on how lớn go about it)

Format Android Phone

*2767*3855#

Think before you give sầu this code. This code is used for factory format. It’ll remove sầu 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 khổng lồ 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 versionGet firmware update count.

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

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End Call/Power

*#*#7594#*#*

This one is my favourite one. This code can be used to change the”End điện thoại tư vấn / Power” button action on your phone. By default, if you long press the button, it shows a screen asking you to lớn select an option from the silent mode, Airplane mode và Power nguồn off. You can change this action using this code. You can enable direct power off on this button so you don’t need lớn 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 truyền thông media files e.g. Images, Sound, Video and Voice memo.

Service Mode

*#*#197328640#*#*

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

WLAN, GPS and Công nghệ Bluetooth Test Codes:

*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* – WLANdemo (Use”Menu” button khổng lồ 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 lớn get Firmware version information:

*#*#4986*2650468#*#* – PDA, Phone, H/W, RFCallDate*#*#1234#*#* – PDA & Phone*#*#1111#*#* – FTA SW Version*#*#2222#*#* – FTA HW Version*#*#44336#*#* – PDA, Phone, CSC, Build Time, Changemenu number

Codes lớn launch various Factory Tests:

*#*#0283#*#* – Packet Loopback*#*#0*#*#* – LCD test*#*#0673#*#* OR*#*#0289#*#* – Melody test*#*#0842#*#* – Device thử nghiệm (Vibration thử nghiệm và BackLight test)*#*#2663#*#* – cảm biến screen version*#*#2664#*#* – cảm ứng screen test*#*#0588#*#* – Proximity sensor test*#*#3264#*#* – RAM version
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