diff --git a/DB720Flasher/App.xaml b/FirmwareFlasher/App.xaml
similarity index 91%
rename from DB720Flasher/App.xaml
rename to FirmwareFlasher/App.xaml
index 3d4693c..acd49c3 100644
--- a/DB720Flasher/App.xaml
+++ b/FirmwareFlasher/App.xaml
@@ -1,4 +1,4 @@
-<Application x:Class="DB720Flasher.App"
+<Application x:Class="FirmwareFlasher.App"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              StartupUri="MainWindow.xaml">
diff --git a/DB720Flasher/App.xaml.cs b/FirmwareFlasher/App.xaml.cs
similarity index 71%
rename from DB720Flasher/App.xaml.cs
rename to FirmwareFlasher/App.xaml.cs
index d71276c..0a517f8 100644
--- a/DB720Flasher/App.xaml.cs
+++ b/FirmwareFlasher/App.xaml.cs
@@ -1,6 +1,6 @@
 using System.Windows;
 
-namespace DB720Flasher;
+namespace FirmwareFlasher;
 
 public partial class App : Application
 {
diff --git a/DB720Flasher/DB720Flasher.csproj b/FirmwareFlasher/FirmwareFlasher.csproj
similarity index 88%
rename from DB720Flasher/DB720Flasher.csproj
rename to FirmwareFlasher/FirmwareFlasher.csproj
index 39e4f8b..0c60d6c 100644
--- a/DB720Flasher/DB720Flasher.csproj
+++ b/FirmwareFlasher/FirmwareFlasher.csproj
@@ -6,8 +6,8 @@
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <UseWPF>true</UseWPF>
-    <RootNamespace>DB720Flasher</RootNamespace>
-    <AssemblyName>DB720Flasher</AssemblyName>
+    <RootNamespace>FirmwareFlasher</RootNamespace>
+    <AssemblyName>FirmwareFlasher</AssemblyName>
     <Version>1.0.0</Version>
     <ApplicationManifest>app.manifest</ApplicationManifest>
     <SatelliteResourceLanguages>en</SatelliteResourceLanguages>
diff --git a/DB720Flasher/MainWindow.xaml b/FirmwareFlasher/MainWindow.xaml
similarity index 99%
rename from DB720Flasher/MainWindow.xaml
rename to FirmwareFlasher/MainWindow.xaml
index 275dc63..647f8ab 100644
--- a/DB720Flasher/MainWindow.xaml
+++ b/FirmwareFlasher/MainWindow.xaml
@@ -1,4 +1,4 @@
-<Window x:Class="DB720Flasher.MainWindow"
+<Window x:Class="FirmwareFlasher.MainWindow"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="펌웨어 플래시 도구" Height="660" Width="960"
diff --git a/DB720Flasher/MainWindow.xaml.cs b/FirmwareFlasher/MainWindow.xaml.cs
similarity index 99%
rename from DB720Flasher/MainWindow.xaml.cs
rename to FirmwareFlasher/MainWindow.xaml.cs
index 362cdb5..ad23d84 100644
--- a/DB720Flasher/MainWindow.xaml.cs
+++ b/FirmwareFlasher/MainWindow.xaml.cs
@@ -7,7 +7,7 @@ using System.Windows.Media.Imaging;
 using System.Windows.Threading;
 using Microsoft.Win32;
 
-namespace DB720Flasher;
+namespace FirmwareFlasher;
 
 public partial class MainWindow : Window
 {
diff --git a/DB720Flasher/Models.cs b/FirmwareFlasher/Models.cs
similarity index 98%
rename from DB720Flasher/Models.cs
rename to FirmwareFlasher/Models.cs
index 55af563..09ac23d 100644
--- a/DB720Flasher/Models.cs
+++ b/FirmwareFlasher/Models.cs
@@ -1,4 +1,4 @@
-namespace DB720Flasher;
+namespace FirmwareFlasher;
 
 public sealed class ComPortInfo
 {
diff --git a/DB720Flasher/Profile.cs b/FirmwareFlasher/Profile.cs
similarity index 99%
rename from DB720Flasher/Profile.cs
rename to FirmwareFlasher/Profile.cs
index 3a4a6a7..2466712 100644
--- a/DB720Flasher/Profile.cs
+++ b/FirmwareFlasher/Profile.cs
@@ -1,4 +1,4 @@
-namespace DB720Flasher;
+namespace FirmwareFlasher;
 
 /// <summary>flash.json 의 한 영역 — 어떤 파일을 flash 어느 주소에 쓰는지.</summary>
 public sealed class FwRegion
diff --git a/DB720Flasher/Services/EsptoolRunner.cs b/FirmwareFlasher/Services/EsptoolRunner.cs
similarity index 99%
rename from DB720Flasher/Services/EsptoolRunner.cs
rename to FirmwareFlasher/Services/EsptoolRunner.cs
index 3152ac9..9845853 100644
--- a/DB720Flasher/Services/EsptoolRunner.cs
+++ b/FirmwareFlasher/Services/EsptoolRunner.cs
@@ -4,7 +4,7 @@ using System.IO;
 using System.Text;
 using System.Text.RegularExpressions;
 
-namespace DB720Flasher;
+namespace FirmwareFlasher;
 
 public sealed class FlashStep
 {
diff --git a/DB720Flasher/Services/FirmwareCatalog.cs b/FirmwareFlasher/Services/FirmwareCatalog.cs
similarity index 99%
rename from DB720Flasher/Services/FirmwareCatalog.cs
rename to FirmwareFlasher/Services/FirmwareCatalog.cs
index cfd3d9b..6b9977d 100644
--- a/DB720Flasher/Services/FirmwareCatalog.cs
+++ b/FirmwareFlasher/Services/FirmwareCatalog.cs
@@ -1,6 +1,6 @@
 using System.IO;
 
-namespace DB720Flasher;
+namespace FirmwareFlasher;
 
 public static class FirmwareCatalog
 {
diff --git a/DB720Flasher/Services/PortScanner.cs b/FirmwareFlasher/Services/PortScanner.cs
similarity index 99%
rename from DB720Flasher/Services/PortScanner.cs
rename to FirmwareFlasher/Services/PortScanner.cs
index 912677c..76fa2b1 100644
--- a/DB720Flasher/Services/PortScanner.cs
+++ b/FirmwareFlasher/Services/PortScanner.cs
@@ -2,7 +2,7 @@ using System.IO.Ports;
 using System.Management;
 using System.Text.RegularExpressions;
 
-namespace DB720Flasher;
+namespace FirmwareFlasher;
 
 /// <summary>
 /// WMI(Win32_PnPEntity)로 COM 포트를 전부 열거하고 VID/PID로 종류만 라벨링한다.
diff --git a/DB720Flasher/Services/ProfileStore.cs b/FirmwareFlasher/Services/ProfileStore.cs
similarity index 99%
rename from DB720Flasher/Services/ProfileStore.cs
rename to FirmwareFlasher/Services/ProfileStore.cs
index c39d476..d315fbc 100644
--- a/DB720Flasher/Services/ProfileStore.cs
+++ b/FirmwareFlasher/Services/ProfileStore.cs
@@ -1,7 +1,7 @@
 using System.IO;
 using System.Text.Json;
 
-namespace DB720Flasher;
+namespace FirmwareFlasher;
 
 /// <summary>빌트인 모델 프로파일 + 폴더 flash.json 로더 + 앱 파일명 자동매칭.</summary>
 public static class ProfileStore
diff --git a/DB720Flasher/Themes/Controls.xaml b/FirmwareFlasher/Themes/Controls.xaml
similarity index 100%
rename from DB720Flasher/Themes/Controls.xaml
rename to FirmwareFlasher/Themes/Controls.xaml
diff --git a/DB720Flasher/app.manifest b/FirmwareFlasher/app.manifest
similarity index 91%
rename from DB720Flasher/app.manifest
rename to FirmwareFlasher/app.manifest
index 54f1faa..16313ff 100644
--- a/DB720Flasher/app.manifest
+++ b/FirmwareFlasher/app.manifest
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
-  <assemblyIdentity version="1.0.0.0" name="DB720Flasher.app" />
+  <assemblyIdentity version="1.0.0.0" name="FirmwareFlasher.app" />
 
   <!-- DPI 인식: 고해상도에서 또렷하게 -->
   <application xmlns="urn:schemas-microsoft-com:asm.v3">
diff --git a/DB720Flasher/tools/esptool/LICENSE b/FirmwareFlasher/tools/esptool/LICENSE
similarity index 100%
rename from DB720Flasher/tools/esptool/LICENSE
rename to FirmwareFlasher/tools/esptool/LICENSE
diff --git a/DB720Flasher/tools/esptool/esptool.exe b/FirmwareFlasher/tools/esptool/esptool.exe
similarity index 100%
rename from DB720Flasher/tools/esptool/esptool.exe
rename to FirmwareFlasher/tools/esptool/esptool.exe
diff --git a/README.md b/README.md
index 63b0dc1..09aed85 100644
--- a/README.md
+++ b/README.md
@@ -74,14 +74,14 @@ ESP32 USB-JTAG는 보드가 리셋될 때마다 USB를 다시 잡아 **COM 번
 요구: **.NET 9 SDK** (Windows), WPF(`net9.0-windows`).
 
 ```powershell
-dotnet build DB720Flasher\DB720Flasher.csproj
-dotnet run   --project DB720Flasher\DB720Flasher.csproj
+dotnet build FirmwareFlasher\FirmwareFlasher.csproj
+dotnet run   --project FirmwareFlasher\FirmwareFlasher.csproj
 ```
 
 ## 배포 (단일 실행본)
 
 ```powershell
-dotnet publish DB720Flasher\DB720Flasher.csproj -c Release -r win-x64 `
+dotnet publish FirmwareFlasher\FirmwareFlasher.csproj -c Release -r win-x64 `
   --self-contained true -p:PublishSingleFile=true -p:IncludeNativeLibrariesForSelfExtract=true
 ```
 
@@ -91,7 +91,7 @@ dotnet publish DB720Flasher\DB720Flasher.csproj -c Release -r win-x64 `
 
 ```
 firmware-flasher/
-├─ DB720Flasher/        WPF 앱 소스 (+ tools/esptool/ 동봉 엔진)
+├─ FirmwareFlasher/     WPF 앱 소스 (+ tools/esptool/ 동봉 엔진)
 ├─ firmware/            펌웨어 폴더 (flash.json 포함; 서명 .bin 은 git 제외)
 ├─ profiles/            모델별 flash.json 템플릿 (DB720·DB402S·DB400S)
 ├─ flash_app.ps1 / flash_full.ps1 / list_ports.ps1   기존 PowerShell 키트