diff --git a/hermes_cli/doctor.py b/hermes_cli/doctor.py
index 4b3ce3b7cf..ca0102d871 100644
--- a/hermes_cli/doctor.py
+++ b/hermes_cli/doctor.py
@@ -91,6 +91,15 @@ def _termux_browser_setup_steps(node_installed: bool) -> list[str]:
     return steps
 
 
+def _termux_install_all_fallback_notes() -> list[str]:
+    return [
+        "Termux install profile: use .[termux-all] for broad compatibility (installer default on Termux).",
+        "Matrix E2EE extra is excluded on Termux (python-olm currently fails to build).",
+        "Local faster-whisper extra is excluded on Termux (ctranslate2/av build path unavailable).",
+        "STT fallback: use Groq Whisper (set GROQ_API_KEY) or OpenAI Whisper (set VOICE_TOOLS_OPENAI_KEY).",
+    ]
+
+
 def _has_provider_env_config(content: str) -> bool:
     """Return True when ~/.hermes/.env contains provider auth/base URL settings."""
     return any(key in content for key in _PROVIDER_ENV_HINTS)
@@ -1084,6 +1093,11 @@ def run_doctor(args):
             except Exception:
                 pass
 
+    if _is_termux():
+        check_info("Termux compatibility fallbacks:")
+        for note in _termux_install_all_fallback_notes():
+            check_info(note)
+
     # =========================================================================
     # Check: API connectivity
     # =========================================================================
diff --git a/tests/hermes_cli/test_doctor.py b/tests/hermes_cli/test_doctor.py
index abf5f48585..34e75045ef 100644
--- a/tests/hermes_cli/test_doctor.py
+++ b/tests/hermes_cli/test_doctor.py
@@ -378,6 +378,11 @@ def test_run_doctor_termux_treats_docker_and_browser_warnings_as_expected(monkey
     assert "1) pkg install nodejs" in out
     assert "2) npm install -g agent-browser" in out
     assert "3) agent-browser install" in out
+    assert "Termux compatibility fallbacks:" in out
+    assert "use .[termux-all] for broad compatibility" in out
+    assert "Matrix E2EE extra is excluded on Termux" in out
+    assert "Local faster-whisper extra is excluded on Termux" in out
+    assert "STT fallback: use Groq Whisper (set GROQ_API_KEY) or OpenAI Whisper (set VOICE_TOOLS_OPENAI_KEY)." in out
     assert "docker not found (optional)" not in out