diff --git a/app/Models/Device.php b/app/Models/Device.php
index 4fe3508..4182743 100644
--- a/app/Models/Device.php
+++ b/app/Models/Device.php
@@ -21,6 +21,7 @@ class Device extends Model
         'width' => 'integer',
         'height' => 'integer',
         'rotate' => 'integer',
+        'last_refreshed_at' => 'datetime',
     ];
 
     public function getBatteryPercentAttribute()
diff --git a/database/migrations/2025_06_03_141055_add_last_refresh_at_to_devices_table.php b/database/migrations/2025_06_03_141055_add_last_refresh_at_to_devices_table.php
new file mode 100644
index 0000000..51b1882
--- /dev/null
+++ b/database/migrations/2025_06_03_141055_add_last_refresh_at_to_devices_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('devices', function (Blueprint $table) {
+            $table->timestamp('last_refreshed_at')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('devices', function (Blueprint $table) {
+            $table->dropColumn('last_refreshed_at');
+        });
+    }
+};
diff --git a/resources/views/livewire/devices/configure.blade.php b/resources/views/livewire/devices/configure.blade.php
index 8e19503..5e0d468 100644
--- a/resources/views/livewire/devices/configure.blade.php
+++ b/resources/views/livewire/devices/configure.blade.php
@@ -268,8 +268,8 @@ new class extends Component {
                         <h1 class="text-xl font-medium dark:text-zinc-200">{{ $device->name }}</h1>
                     </flux:tooltip>
                     <div class="flex gap-2">
-                        <flux:tooltip content="Last update" position="bottom">
-                            <span class="dark:text-zinc-200">{{$device->updated_at->diffForHumans()}}</span>
+                        <flux:tooltip content="Last refresh" position="bottom">
+                            <span class="dark:text-zinc-200">{{$device->last_refreshed_at?->diffForHumans()}}</span>
                         </flux:tooltip>
                         <flux:separator vertical/>
                         <flux:tooltip content="MAC Address" position="bottom">
diff --git a/routes/api.php b/routes/api.php
index 76610d7..2fb5e3c 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -43,6 +43,7 @@ Route::get('/display', function (Request $request) {
         'last_rssi_level' => $request->header('rssi'),
         'last_battery_voltage' => $request->header('battery_voltage'),
         'last_firmware_version' => $request->header('fw-version'),
+        'last_refreshed_at' => now(),
     ]);
 
     // Get current screen image from mirror device or continue if not available
diff --git a/tests/Feature/Api/DeviceEndpointsTest.php b/tests/Feature/Api/DeviceEndpointsTest.php
index 7ec86f6..e033d5a 100644
--- a/tests/Feature/Api/DeviceEndpointsTest.php
+++ b/tests/Feature/Api/DeviceEndpointsTest.php
@@ -647,3 +647,53 @@ test('plugins in playlist are rendered in order', function () {
     expect($thirdResponse['filename'])
         ->not->toBe($secondResponse['filename']);
 })->skipOnGitHubActions();
+
+test('display endpoint updates last_refreshed_at timestamp', function () {
+    $device = Device::factory()->create([
+        'mac_address' => '00:11:22:33:44:55',
+        'api_key' => 'test-api-key',
+    ]);
+
+    $response = $this->withHeaders([
+        'id' => $device->mac_address,
+        'access-token' => $device->api_key,
+        'rssi' => -70,
+        'battery_voltage' => 3.8,
+        'fw-version' => '1.0.0',
+    ])->get('/api/display');
+
+    $response->assertOk();
+
+    $device->refresh();
+    expect($device->last_refreshed_at)->not->toBeNull()
+        ->and($device->last_refreshed_at->diffInSeconds(now()))->toBeLessThan(2);
+});
+
+test('display endpoint updates last_refreshed_at timestamp for mirrored devices', function () {
+    // Create source device
+    $sourceDevice = Device::factory()->create([
+        'mac_address' => '00:11:22:33:44:55',
+        'api_key' => 'source-api-key',
+    ]);
+
+    // Create mirroring device
+    $mirrorDevice = Device::factory()->create([
+        'mac_address' => 'AA:BB:CC:DD:EE:FF',
+        'api_key' => 'mirror-api-key',
+        'mirror_device_id' => $sourceDevice->id,
+    ]);
+
+    $response = $this->withHeaders([
+        'id' => $mirrorDevice->mac_address,
+        'access-token' => $mirrorDevice->api_key,
+        'rssi' => -70,
+        'battery_voltage' => 3.8,
+        'fw-version' => '1.0.0',
+    ])->get('/api/display');
+
+    $response->assertOk();
+
+    $mirrorDevice->refresh();
+    expect($mirrorDevice->last_refreshed_at)->not->toBeNull()
+        ->and($mirrorDevice->last_refreshed_at->diffInSeconds(now()))->toBeLessThan(2);
+});
diff --git a/tests/Feature/DeviceConfigureTest.php b/tests/Feature/DeviceConfigureTest.php
new file mode 100644
index 0000000..95e3d2b
--- /dev/null
+++ b/tests/Feature/DeviceConfigureTest.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Device;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use function Pest\Laravel\actingAs;
+
+uses(RefreshDatabase::class);
+
+test('configure view displays last_refreshed_at timestamp', function () {
+    $user = User::factory()->create();
+    $device = Device::factory()->create([
+        'user_id' => $user->id,
+        'last_refreshed_at' => now()->subMinutes(5),
+    ]);
+
+    $response = actingAs($user)
+        ->get(route('devices.configure', $device));
+
+    $response->assertOk()
+        ->assertSee('5 minutes ago');
+});