add flashing instructions for munch

munch/flashing_instructions.md

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+# Palladium OS 4.0 Flashing Instructions for Munch
+
+## Prerequisites (Important):
+
+1. Ensure the bootloader is unlocked.
+2. The ROM uses Stock MIUI Vendor and Atom kernel based on Stock Perf kernel.
+3. Flash the 14.0.6.0 firmware of your region before flashing the ROM.
+4. The phone must be connected to your laptop, and adb must be enabled.
+5. Clean flash is mandatory.
+
+## Steps:
+
+1. **Download the following Files:**
+   - ROM => [PalladiumOS-4.0-munch-OFFICIAL-GAPPS-0605-20231126.zip](https://palladiumos.org/download)
+   - Recovery => [PalladiumOS-4.0-munch-OFFICIAL-GAPPS-0605-20231126.img](https://palladiumos.org/download)
+
+2. **Run the following ADB Commands:**
+   - Connect your phone to the laptop.
+   - Open a terminal and run the following commands:
+
+     ```bash
+     adb reboot bootloader
+     fastboot flash boot <DownloadPath>/PalladiumOS-4.0-munch-OFFICIAL-GAPPS-0605-20231126.img
+     fastboot reboot recovery
+     ```
+
+3. **Install Update via ADB Sideload:**
+   - In the recovery menu, select "Install Update" and choose "adb sideload."
+   - Run the following command:
+
+     ```bash
+     adb sideload <DownloadPath>/PalladiumOS-4.0-munch-OFFICIAL-GAPPS-0605-20231126.zip
+     ```
+
+4. **Factory Reset:**
+   - After flashing in the recovery, select "Factory Reset" and choose "Format data/factory reset."
+
+5. **Reboot:**
+   - Press the back button and select "Reboot to system."
+
+**Note:** Replace `<DownloadPath>` with the actual path where you downloaded the Palladium OS files.
+
+Ensure that you follow these steps carefully and double-check the prerequisites before proceeding with the flashing process.