How to reset or factory restore Micromax Q391 Canvas Doodle 4 device?
Resetting or factory restoring a device erases all data and settings, bringing the device back to its original state. This can be useful in a variety of situations, such as when a device is experiencing problems or when it needs to be passed on to another person. Here are the most common and recommended ways to reset or factory restore a Micromax Q391 Canvas Doodle 4 device:
1. Using the Reboot and Volume Up buttons:
* Turn off the device by pressing and holding the Power button until the device turns off.
* Unplug the device from the charger and wait for a few minutes.
* Press and hold the Power button and the Volume Up button simultaneously.
* Release the buttons when the device's logo appears on-screen.
* Use the Volume buttons to navigate through the menu options and select "Factory Data Reset" or "Clear Data/Factory Reset".
* Press the Volume Up button to select the option.
* Press the Volume Down button to navigate through the prompts and eventually select "Yes - Delete all user data".
* The device will now begin the reset process, which may take some time to complete.
2. Using the Mi Home App:
* Download and install the Mi Home App on your smartphone.
* Connect your device to the internet.
* Open the Mi Home App and log in with your Mi account.
* Select your device from the list of connected devices.
* Tap on "Manage" and then on "Firmware Update".
* Follow the on-screen instructions to update the firmware on your device.
* After the firmware update, tap on "Factory Data Reset" and follow the prompts to reset the device.
3. Using the SD card:
* Insert the SD card into the device and turn on the device.
* Open the Settings menu and go to "About Phone".
* Tap on the "Build Number" until the "You are now a developer" message appears.
* Go back to the Settings menu and go to "Developer Options".
* Enable the "OEM Unlocking" feature.
* Open a command prompt on your computer and enter the following command, replacing "SAFR_ absolutescratch" with the part of your device's bootloader that was retrieved using the SD card:
```
fastboot oem unlock ABSOLUTE_SCRATCH_AREA
```
* After the device unlocks, fastboot will present a "Reset phone" prompt.
* Connect your device to the internet and follow the instructions in the "Reset phone" prompt to reset the device to its factory state.
These are the most common and recommended ways to reset or factory restore a Micromax Q391 Canvas Doodle 4 device. It is important to note that resetting to factory settings will erase all data and settings, so it is recommended to back up important data before resetting the device.
