Uninstall Firmware Button

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/InstallableFragment.kt

@@ -133,6 +133,11 @@ class InstallableFragment : Fragment() {
                 R.string.install_firmware_description,
                 install = { mainActivity.getFirmware.launch(arrayOf("application/zip")) }
             ),
+            Installable(
+                 R.string.uninstall_firmware,
+                 R.string.uninstall_firmware_description,
+                 install = { mainActivity.uninstallFirmware() }
+             ),
             Installable(
                 R.string.install_prod_keys,
                 R.string.install_prod_keys_description,

src/android/app/src/main/java/org/yuzu/yuzu_emu/ui/main/MainActivity.kt

@@ -367,7 +367,31 @@ class MainActivity : AppCompatActivity(), ThemeProvider {
                 messageToShow
             }.show(supportFragmentManager, ProgressDialogFragment.TAG)
         }
-
+    fun uninstallFirmware() {
+        val firmwarePath = File(DirectoryInitialization.userDirectory + "/nand/system/Contents/registered/")
+        ProgressDialogFragment.newInstance(
+            this,
+            R.string.firmware_uninstalling
+        ) { progressCallback, _ ->
+            var messageToShow: Any
+            try {
+                // Ensure the firmware directory exists before attempting to delete
+                if (firmwarePath.exists()) {
+                    firmwarePath.deleteRecursively()
+                    // Optionally reinitialize the system or perform other necessary steps
+                    NativeLibrary.initializeSystem(true)
+                    homeViewModel.setCheckKeys(true)
+                    messageToShow = getString(R.string.firmware_uninstalled_success)
+                } else {
+                    messageToShow = getString(R.string.firmware_uninstalled_failure)
+                }
+            } catch (e: Exception) {
+                Log.error("[MainActivity] Firmware uninstall failed - ${e.message}")
+                messageToShow = getString(R.string.fatal_error)
+            }
+            messageToShow
+        }.show(supportFragmentManager, ProgressDialogFragment.TAG)
+    }
     val getAmiiboKey =
         registerForActivityResult(ActivityResultContracts.OpenDocument()) { result ->
             if (result == null) {

src/android/app/src/main/res/values/strings.xml

@@ -143,6 +143,11 @@
     <string name="firmware_installed_success">Firmware installed successfully</string>
     <string name="firmware_installed_failure">Firmware installation failed</string>
     <string name="firmware_installed_failure_description">Make sure the firmware nca files are at the root of the zip and try again.</string>
+    <string name="uninstall_firmware">Uninstall firmware</string>
+    <string name="uninstall_firmware_description">Uninstalling the firmware will remove it from the device and may affect game compatibility.</string>
+    <string name="firmware_uninstalling">Uninstalling firmware</string>
+    <string name="firmware_uninstalled_success">Firmware uninstalled successfully</string>
+    <string name="firmware_uninstalled_failure">Firmware uninstallation failed</string>
     <string name="share_log">Share debug logs</string>
     <string name="share_log_description">Share eden\'s log file to debug issues</string>
     <string name="share_log_missing">No log file found</string>