diff --git a/app/src/main/java/com/rosetta/messenger/ui/chats/components/ImageViewerScreen.kt b/app/src/main/java/com/rosetta/messenger/ui/chats/components/ImageViewerScreen.kt
index 792f5bb..367c709 100644
--- a/app/src/main/java/com/rosetta/messenger/ui/chats/components/ImageViewerScreen.kt
+++ b/app/src/main/java/com/rosetta/messenger/ui/chats/components/ImageViewerScreen.kt
@@ -977,53 +977,76 @@ private fun ZoomableImage(
  * 2) из локального encrypted attachment файла
  * 3) с transport (с последующим сохранением в локальный файл)
  */
+private fun viewerLog(context: Context, msg: String) {
+    try {
+        val ts = java.text.SimpleDateFormat("HH:mm:ss.SSS", java.util.Locale.getDefault()).format(java.util.Date())
+        val dir = java.io.File(context.filesDir, "crash_reports")
+        if (!dir.exists()) dir.mkdirs()
+        java.io.File(dir, "rosettadev1.txt").appendText("$ts [Viewer] $msg\n")
+    } catch (_: Exception) {}
+}
+
 private suspend fun loadBitmapForViewerImage(
     context: Context,
     image: ViewableImage,
     privateKey: String
 ): Bitmap? {
+    val id = image.attachmentId.take(10)
+    viewerLog(context, "=== LOAD id=$id blob=${image.blob.length} preview=${image.preview.length} chacha=${image.chachaKey.length} tag=${image.transportTag.take(12)} sender=${image.senderPublicKey.take(12)} ===")
     return try {
         // 0. In-memory кэш
         val cached = ImageBitmapCache.get("img_${image.attachmentId}")
         if (cached != null) {
+            viewerLog(context, "  [0] HIT cache ${cached.width}x${cached.height}")
             return cached
         }
+        viewerLog(context, "  [0] MISS cache")
 
         // 1. Blob в сообщении
         if (image.blob.isNotEmpty()) {
+            viewerLog(context, "  [1] blob ${image.blob.length} chars")
             val bmp = base64ToBitmapSafe(image.blob)
-            if (bmp != null) {
-                return bmp
-            }
+            if (bmp != null) { viewerLog(context, "  [1] OK ${bmp.width}x${bmp.height}"); return bmp }
+            viewerLog(context, "  [1] decode FAIL")
         }
 
         // 2. Локальный encrypted cache
+        viewerLog(context, "  [2] readAttachment sender=${image.senderPublicKey.take(12)}")
         val localBlob =
             AttachmentFileManager.readAttachment(context, image.attachmentId, image.senderPublicKey, privateKey)
         if (localBlob != null) {
+            viewerLog(context, "  [2] local ${localBlob.length} chars")
             val bmp = base64ToBitmapSafe(localBlob)
-            if (bmp != null) {
-                return bmp
-            }
-        }
+            if (bmp != null) { viewerLog(context, "  [2] OK ${bmp.width}x${bmp.height}"); return bmp }
+            viewerLog(context, "  [2] decode FAIL")
+        } else { viewerLog(context, "  [2] NOT found") }
 
         // 2.5. Ждём bitmap из кеша
+        viewerLog(context, "  [2.5] await 3s...")
         val awaitedFromCache = ImageBitmapCache.awaitCached("img_${image.attachmentId}", 3000)
         if (awaitedFromCache != null) {
+            viewerLog(context, "  [2.5] OK ${awaitedFromCache.width}x${awaitedFromCache.height}")
             return awaitedFromCache
         }
+        viewerLog(context, "  [2.5] timeout")
 
         // 3. CDN download
         var downloadTag = getDownloadTag(image.preview)
         if (downloadTag.isEmpty() && image.transportTag.isNotEmpty()) {
             downloadTag = image.transportTag
         }
+        viewerLog(context, "  [3] tag=${downloadTag.take(12)} preview=${image.preview.take(20)}")
         if (downloadTag.isEmpty()) {
+            viewerLog(context, "  [3] NO TAG → FAIL")
             return null
         }
 
+        val server = TransportManager.getTransportServer() ?: "none"
+        viewerLog(context, "  [3] downloading from $server")
         val encryptedContent = TransportManager.downloadFile(image.attachmentId, downloadTag)
+        viewerLog(context, "  [3] downloaded ${encryptedContent.length} bytes")
         if (encryptedContent.isEmpty()) {
+            viewerLog(context, "  [3] EMPTY → FAIL")
             return null
         }
 
@@ -1045,11 +1068,14 @@ private suspend fun loadBitmapForViewerImage(
                 null
             }
 
+        viewerLog(context, "  [3] decrypt=${if (decrypted != null) "${decrypted.length} chars" else "NULL"} method=${when { image.chachaKeyPlainHex.isNotEmpty() -> "plainHex"; image.chachaKey.startsWith("group:") -> "group"; image.chachaKey.isNotEmpty() -> "chacha"; else -> "none" }}")
         if (decrypted == null) {
+            viewerLog(context, "  [3] DECRYPT FAIL")
             return null
         }
 
         val decodedBitmap = base64ToBitmapSafe(decrypted)
+        viewerLog(context, "  [3] bitmap=${if (decodedBitmap != null) "${decodedBitmap.width}x${decodedBitmap.height}" else "NULL"}")
         if (decodedBitmap == null) {
             return null
         }
@@ -1062,8 +1088,10 @@ private suspend fun loadBitmapForViewerImage(
             publicKey = image.senderPublicKey,
             privateKey = privateKey
         )
+        viewerLog(context, "  DONE OK")
         decodedBitmap
     } catch (e: Exception) {
+        viewerLog(context, "  EXCEPTION: ${e.javaClass.simpleName}: ${e.message}")
         null
     }
 }
diff --git a/app/src/main/java/com/rosetta/messenger/ui/settings/OtherProfileScreen.kt b/app/src/main/java/com/rosetta/messenger/ui/settings/OtherProfileScreen.kt
index a0f553c..f224484 100644
--- a/app/src/main/java/com/rosetta/messenger/ui/settings/OtherProfileScreen.kt
+++ b/app/src/main/java/com/rosetta/messenger/ui/settings/OtherProfileScreen.kt
@@ -342,7 +342,9 @@ fun OtherProfileScreen(
                             timestamp = Date(media.timestamp),
                             width = media.width,
                             height = media.height,
-                            caption = media.caption
+                            caption = media.caption,
+                            transportTag = media.transportTag,
+                            transportServer = media.transportServer
                     )
                 }
             }
@@ -1211,7 +1213,9 @@ private data class SharedPhotoItem(
         val width: Int,
         val height: Int,
         val caption: String,
-        val timestamp: Long
+        val timestamp: Long,
+        val transportTag: String = "",
+        val transportServer: String = ""
 )
 
 private data class SharedFileItem(
@@ -1292,7 +1296,9 @@ private suspend fun buildOtherProfileSharedContent(
                                     width = attachment.width,
                                     height = attachment.height,
                                     caption = decryptedText,
-                                    timestamp = message.timestamp
+                                    timestamp = message.timestamp,
+                                    transportTag = attachment.transportTag,
+                                    transportServer = attachment.transportServer
                             )
 
                     mediaPhotos.add(mediaItem)