Before starting the firmware using a computer, do not forget to enable USB debugging of the device in the engineering settings of the device. To do this, you need to study the detailed instructions for configuring and managing the command line.

To do this, you need to unblock Bootloader. Very often, many manufacturers block this system parameter, not wanting users to change the system files of their firmware images with their own hands. It is part of the SDK Platform Tools, which means it is suitable for a large number of devices.īefore starting the firmware, you need to get access to the system kernel. Click on the ' Reboot System' item, and reboot the device.Ī universal tool for flashing Android smartphones using a PC is the Fastboot utility. Upon completion, the utility will automatically display a message about successful flashing. After that, the firmware process will start. Click on it by dragging the slider to the side. From the main menu select ' Install' and find and select the firmware file. When finished cleaning the phone, return to the original menu by pressing the 'Back' key. This is done in the same way as with CWM. Upload the file with the firmware image to the device's memory. Then select ' Reboot system now' from the menu.įor 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: Highlight ' Yes - Install your firmware name' and press the Power button. Highlight ' Yes - Format' and press the Power button. Highlight ' format / system' and press the Power button. Next in the menu, select ' mounts and storage'. Highlight ' Yes - Wipe Dalvik Cache' and press the Power button. Next in the menu, select ' Wipe Dalvik Cache'. Next in the menu, select ' Yes - Wipe cache'. Highlight the ' Wipe cashe partition' and press the Power button. Next in the menu, select ' Yes - delete all user data'. Highlight ' Wipe data / factory reset' and press the Power button. Use the volume buttons to navigate through the menus and press the Power button to make a selection. Recovery mode will appear on the phone screen. Press the buttons: Power + Volume up (or Volume Down) (+Home) simultaneously for 10 seconds. A universal option is to try pressing the following keys. Depending on the phone manufacturer, press a specific combination of buttons on the phone body. Turn off your phone in any convenient way. Download the firmware you are interested in and place it on the phone's SD card. The general firmware process described below is for ZIP files. By default, stock Recovery is installed in the devices, which means that first you need to install the ClockWorkMod Recovery utility itself. The rich functionality of CWM Recovery allows you to perform many manipulations with the device, including rolling the firmware.

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