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Flash firmware on Micromax Q427 Canvas Unite 4

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How to flash Micromax Q427 Canvas Unite 4?


Why reinstall the firmware?

Errors constantly appear in the Android OS.

Some applications stop opening.

Many applications from the Play Market do not start.

The phone restarts by itself for no reason.

The phone began to work slowly.

You are not satisfied with the possibilities of the stock firmware.





Where can I find the firmware?

On the official website of the manufacturer.

On Internet resources where users post custom or official OS.


What should be done before installing the firmware?

Create a backup copy of user data and transfer it to your computer.

Insert your SD card into your phone. It must have enough memory to fit the firmware.

Determine your smartphone model.

Fully charge your device's battery.

Download archive with Firmware.





Installing TWRP Recovery

Install the Official TWRP App via the Play Market. And run this application.

When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, as well as agree to grant the application Superuser rights and click the 'OK' button.

In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.

TWRP

On the main screen of the application, click 'Select Device', and select your phone model.

After selecting the phone, the application will redirect the user to a web page to download the modified recovery environment image file. Download the proposed *.img file.

After downloading the image file, return to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Then we tell the program the path where the file loaded in the previous step is located.

Press the 'FLASH TO RECOVERY' button and confirm your choice.

When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.

Copy the necessary files to the SD memory card. Using a PC or laptop card reader.

Insert a SD memory card into the phone.

To reboot into recovery, you need to enter the menu accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Select 'Reboot' and then click on the 'REBOOT RECOVERY' button.





Firmware via TWRP

TWRP

Before flashing, it is recommended to clear the 'Cache' and 'Data' sections. This will delete all user data from the device, but avoid a wide range of software errors and other problems. You must press 'WIPE' on the main screen.

You can start flashing. Click the 'Install' button.


TWRP

The file selection screen is displayed. At the very top is the 'Storage' button, select the location where the firmware file is located.

Select the location where you copied the files.



TWRP

Select the firmware file and click on it. A screen opens with a warning about possible negative consequences, you need to check the item 'Zip signature verification', which will avoid using corrupted files when writing to the phone's memory sections.

The procedure for writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.

After the firmware installation procedure is completed, the 'Successful' message appears on the screen.





Summary: OS: Android 6.0 Marshmallow; CPU frequency: 1000.0 MHz (4-core); Chipset: MediaTek MT6735P; GPU: ARM Mali-T720 MP1; GPU frequency: 400.0 MHz (1-core); RAM Memory: 1 GB; Display: LCD IPS Color (16M), 720x1280 px (5.0") 294ppi; Touch screen: yes; Protection: Corning Gorilla Glass 3; Built-in memory: 8 GB; Memory card: microSDXC max. 32 GB; Camera: 7.99 MPx; Resolution: 3264x2448 px; Flash: LED; Autofocus: yes; Optical zoom: no; Digital zoom: yes; Second camera: 5.04 Mpx; Resolution: 2592x1944 px; Bluetooth: 4.0; EDGE: yes; GPRS: yes; GPS: yes; A-GPS: yes; LTE: LTE-FDD: 850, 1800, 2300; GSM: 850 900 1800 1900; HSDPA: 900 2100; USB: 2.0; WAP: 2.0; Wi-Fi: 802.11 b/g/n; Audio formats: MP3, WAV, A ...

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