The Android operating system has several hidden options for many, but not impossible to find, and that work to keep up with the behavior of the devices.
It is important to specify that these functions are very advanced for a person who does not have knowledge of the deeper settings of the Android software, so if they are accidentally activated, some settings may lead to the results not desired. It can even affect the performance of the device.
From Engineer mode, you can configure important aspects of your mobile device, such as:
- Customize camera functions.
- Improved mobile phone volume
- Configure aspects of Bluetooth connectivity.
- Analysis of processor performance.
- Change the MAC address.
- Improve the Wi-Fi connection.
- Know the current status of the battery.
This is how to access engineer mode on an Android cell phone
There are many ways to enter Android engineer mode and it also depends a lot on the brand or manufacturer of the device:
- The first option is through a smartphone that works with a pure Android ROM (Read Only Memory).
- Simply open the calling app and then enter the following numbers and symbols: “*#* #3646633 #*#*”; “*#* #4636 #*#*”; “*# 15963 #” for MTK chips.
- In the case of Spreadtrum chips, place “*#* #83781 #*#*”, finally press on the Call button.
On Redmi, POCO and Xiaomi phones
- Dial in the calling app the code “*#* #6484 #*#*”.
- A screen will automatically appear with all the components used by the phone's hardware.
- You can also try this series: “*#* #64663 #*#*”.
- On Xiaomi devices it will not be necessary to use the calling app. Just enter the Settings, you can find it with the icon of a gear wheel. Now, go to Phone Information and therefore click many times on the Kernel version section.
On Huawei phones
- Huawei calls it Project Menu and to access it you just have to dial “*#* #2846579 #*#*”.
- This way users will be able to access the hardware of the Huawei mobile phone.
- Here you can check the battery status, update the software or perform a factory reset.
On Samsung phones
- Samsung refers to engineer mode as Service mode. To be able to enter it is necessary to dial “* #0011 #”.
- Now, you have to tap the three dots in the upper right corner and choose the Key Input option.
- A mini window will open where you have to place the Q0 code to enable this mode.
- If the user wants a more professional version, he can dial: “* #2683662 #”.
On Motorola phones
- You have to mark the following fingering: “*#* #2486 #*#*”.
- It will quickly take you to the CQAtest mode.
Last but not least, only mobile phones with Mediatek or Prostrum processors can enter Engineer mode, this being an essential requirement.
It should be remembered that this type of configuration is only run by people with basic knowledge of technology and the Android system.
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