How to Flash Vivo Smartphone (Custom ROM) via Fastboot89

Introduction

Fastboot is a protocol that allows you to communicate with your Vivo smartphone's bootloader and perform various low-level operations, including flashing new firmware (ROMs) and recovery images. This tutorial will guide you through the step-by-step process of flashing a custom ROM on your Vivo smartphone using Fastboot.

Prerequisites

Before proceeding, ensure you have the following:
A Vivo smartphone with an unlocked bootloader.
A custom ROM compatible with your Vivo smartphone.
A Windows or Mac computer with ADB and Fastboot tools installed.
A USB cable to connect your smartphone to the computer.

Step 1: Download and Extract Necessary Files

Download the latest version of the ADB and Fastboot tools from the official Google website and extract them to a convenient location on your computer.

Step 2: Enable USB Debugging and OEM Unlocking

On your Vivo smartphone, go to Settings > Developer Options. If Developer Options is not visible, go to Settings > About phone and tap the Build number seven times. Now, enable USB Debugging and OEM Unlocking options.

Step 3: Boot into Fastboot Mode

Connect your Vivo smartphone to the computer via the USB cable. Press and hold the Volume Down and Power buttons simultaneously until the Fastboot logo appears on the screen.

Step 4: Verify Fastboot Connection

Open a command prompt or terminal window on your computer and navigate to the directory where ADB and Fastboot tools are extracted. Type the following command to verify the Fastboot connection:```fastboot devices```

If your device is detected, you should see its serial number listed.

Step 5: Unlock the Bootloader (Optional)

If your Vivo smartphone's bootloader is not already unlocked, you need to unlock it before flashing a custom ROM. Type the following command:```fastboot oem unlock```

Confirm the bootloader unlock on your smartphone's screen. Warning: This will erase all data from your phone.

Step 6: Flash the Custom ROM

Copy the custom ROM file to the same directory where the ADB and Fastboot tools are extracted. Rename the ROM file to "".

Type the following command to flash the custom ROM:```fastboot flash system ```

Replace "" with the actual filename of your ROM if necessary.

Step 7: Reboot the Device

Once the ROM is flashed, type the following command to reboot your Vivo smartphone:```fastboot reboot```

Step 8: Install GApps (Optional)

If you want to have Google apps and services on your custom ROM, you need to flash GApps separately. Download the GApps package compatible with your ROM and copy it to your smartphone's internal storage.

Boot your smartphone into Fastboot mode again and type the following command:```fastboot flash system ```

Replace "" with the actual filename of the GApps package.

Step 9: Enjoy Your Custom ROM

Your Vivo smartphone will now reboot into the newly installed custom ROM. Enjoy the new features and optimizations it offers.

Troubleshooting
Fastboot not recognizing the device: Ensure your smartphone is properly connected to the computer and that the USB drivers are installed correctly.
Bootloader unlock fails: Make sure your smartphone's bootloader is unlockable and that you followed the instructions precisely.
ROM flashing fails: Verify that the ROM file is compatible with your smartphone model and that you renamed it correctly.
Device stuck in Fastboot mode: Try disconnecting and reconnecting the USB cable, or use the "fastboot reboot" command to reboot the device manually.

2024-10-30

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