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Firmware Micromax Q397


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Micromax Q397


OS: Android

CPU: Spreadtrum SC7731, 1300 MHz
RAM: 1 GB
Display: 5.5"
Battery: 2650 mAв‹…h


Before flashing, you need
Create a full backup of the firmware.
The battery must be 100% charged.

1. Flashing your phone using CWM Recovery
2. Flashing the phone using TWRP Recovery
3. Flashing the phone using Fastboot

1. Phone flashing using CWM Recovery
The rich functionality of CWM Recovery www.clockworkmod.com allows you to perform many manipulations with the device, including rolling the firmware. By default, stock Recovery is installed in the devices, which means that first you need to install the ClockWorkMod Recovery utility itself.
The general firmware process described below is for ZIP files. Instructions: - Download the firmware you are interested in and place it on the phone's SD card.
- Next, turn off your phone.
- Hold down a certain sequence of buttons on the phone body. The set of buttons may differ depending on the manufacturer of your phone. The universal option is to press the following keys.
- Press the Power + Volume up (or Volume Down) (+Home) buttons together for a few seconds.
- As a result, the smartphone will boot in Recovery mode (engineering recovery menu).
- Use the volume buttons to navigate through the menus and use the Power button to make your selections.
- From the Recovery mode menu select 'Wipe data / factory reset'.
- Use the volume buttons to select 'Yes - delete all user data'.
- From the Recovery mode menu select 'Wipe cashe partition'.
- Use the volume buttons to select 'Yes - Wipe cache' .
- Highlight 'advanced' and press the Power button.
- Use the volume buttons to select 'Wipe Dalvik Cache'.
- From the menu select 'Yes - Wipe Dalvik Cache'.
Go back, press 'Go Back'.
- Highlight 'mounts and storage' and press the Power button.
- From the menu select 'format / system' .
- From the menu select 'Yes - Format' .
Go back, press 'Go Back'.
- Select 'install zip from sdcard' .
- From the menu choose 'choose zip from sdcard' .
- From the menu select 'Yes - Install your firmware name' .
- Select 'Reboot system now' with the volume buttons and press the Power button.

2. Flashing the phone using TWRP Recovery
For those who prefer working with the utility in the form of TWRP Recovery, the following instructions for the step-by-step installation of the update in the form of a ZIP archive are offered:
- Upload the file with the firmware image to the device's memory.
- Go to TWRP Recovery. In the same way as in CWM.
- Perform a factory reset. When the operation is completed return to the original menu by pressing the 'Back' key.
- In the main menu, select 'Install' and find the previously downloaded firmware image. Click on it by dragging the slider to the side.
- The flashing process will take about 2-3 minutes.
- When the firmware operation is completed, you must click on the 'Reboot System' item, and reboot the device.

3. Flashing the phone using Fastboot
A universal tool for flashing Android smartphones using a PC is the Fastboot utility. It is part of the SDK Platform Tools, which means it is suitable for a large number of devices.
Before starting the firmware, you need to get access to the system kernel. Very often, many manufacturers block this system parameter, not wanting users to change the system files of their firmware images with their own hands. To do this, you need to unblock Bootloader. To do this, you need to study the detailed instructions for configuring and managing the command line. Before starting the firmware using a computer, do not forget to enable USB debugging of the device in the engineering settings of the device.
- Copy the .zip archive with the image, and place it in the folder with 'ADB'
- Put your device into fastboot mode and write a prompt in the command line: fastbooflash zip filename.zip.
- Wait until the end of the installation and reboot the device.



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