diff --git a/core/SConscript.firmware b/core/SConscript.firmware
index 36e68e63fe..2a8dc5849c 100644
--- a/core/SConscript.firmware
+++ b/core/SConscript.firmware
@@ -460,12 +460,15 @@ SOURCE_FIRMWARE = [
 ]
 
 
-if TREZOR_MODEL in ('T', 'T3T1', 'DISC1', 'DISC2'):
+if TREZOR_MODEL in ('T', 'DISC1', 'DISC2'):
     UI_LAYOUT = 'UI_LAYOUT_TT'
     ui_layout_feature = 'model_tt'
 elif TREZOR_MODEL in ('1', 'R'):
     UI_LAYOUT = 'UI_LAYOUT_TR'
     ui_layout_feature = 'model_tr'
+elif TREZOR_MODEL in ('T3T1',):
+    UI_LAYOUT = 'UI_LAYOUT_MERCURY'
+    ui_layout_feature = 'model_mercury'
 else:
     raise ValueError('Unknown Trezor model')
 
@@ -640,6 +643,12 @@ if FROZEN:
                 SOURCE_PY_DIR + 'trezor/ui/layouts/tr/fido.py',
             ] if not EVERYTHING else []
         ))
+    elif UI_LAYOUT == 'UI_LAYOUT_MERCURY':
+        SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'trezor/ui/layouts/mercury/*.py',
+            exclude=[
+                SOURCE_PY_DIR + 'trezor/ui/layouts/mercury/fido.py',
+            ] if not EVERYTHING else []
+        ))
     else:
         raise ValueError('Unknown layout')
 
diff --git a/core/SConscript.unix b/core/SConscript.unix
index 55161b281a..4013453aa1 100644
--- a/core/SConscript.unix
+++ b/core/SConscript.unix
@@ -471,12 +471,15 @@ env = Environment(ENV=os.environ, CFLAGS='%s -DCONFIDENTIAL= -DPYOPT=%s -DBITCOI
 
 FEATURES_AVAILABLE = models.configure_board(TREZOR_MODEL, HW_REVISION, FEATURES_WANTED, env, CPPDEFINES_HAL, SOURCE_UNIX, PATH_HAL)
 
-if TREZOR_MODEL in ('T', 'T3T1'):
+if TREZOR_MODEL in ('T',):
     UI_LAYOUT = 'UI_LAYOUT_TT'
     ui_layout_feature = 'model_tt'
 elif TREZOR_MODEL in ('1', 'R'):
     UI_LAYOUT = 'UI_LAYOUT_TR'
     ui_layout_feature = 'model_tr'
+elif TREZOR_MODEL in ('T3T1',):
+    UI_LAYOUT = 'UI_LAYOUT_MERCURY'
+    ui_layout_feature = 'model_mercury'
 else:
     raise ValueError('Unknown Trezor model')
 
@@ -682,6 +685,12 @@ if FROZEN:
                 SOURCE_PY_DIR + 'trezor/ui/layouts/tr/fido.py',
             ] if not EVERYTHING else []
         ))
+    elif UI_LAYOUT == 'UI_LAYOUT_MERCURY':
+        SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'trezor/ui/layouts/mercury/*.py',
+            exclude=[
+                SOURCE_PY_DIR + 'trezor/ui/layouts/mercury/fido.py',
+            ] if not EVERYTHING else []
+        ))
     else:
         raise ValueError('Unknown layout')
 
diff --git a/core/embed/extmod/modtrezorutils/modtrezorutils.c b/core/embed/extmod/modtrezorutils/modtrezorutils.c
index 5549995376..5652c951c9 100644
--- a/core/embed/extmod/modtrezorutils/modtrezorutils.c
+++ b/core/embed/extmod/modtrezorutils/modtrezorutils.c
@@ -508,6 +508,8 @@ STATIC const mp_rom_map_elem_t mp_module_trezorutils_globals_table[] = {
     {MP_ROM_QSTR(MP_QSTR_UI_LAYOUT), MP_ROM_QSTR(MP_QSTR_TT)},
 #elif UI_LAYOUT_TR
     {MP_ROM_QSTR(MP_QSTR_UI_LAYOUT), MP_ROM_QSTR(MP_QSTR_TR)},
+#elif UI_LAYOUT_MERCURY
+    {MP_ROM_QSTR(MP_QSTR_UI_LAYOUT), MP_ROM_QSTR(MP_QSTR_MERCURY)},
 #else
 #error Unknown layout
 #endif
diff --git a/core/embed/rust/src/ui/constant.rs b/core/embed/rust/src/ui/constant.rs
index 3237db67aa..c47ea35064 100644
--- a/core/embed/rust/src/ui/constant.rs
+++ b/core/embed/rust/src/ui/constant.rs
@@ -9,5 +9,5 @@
 pub use super::model_mercury::constant::*;
 #[cfg(all(feature = "model_tr", not(feature = "model_tt")))]
 pub use super::model_tr::constant::*;
-#[cfg(feature = "model_tt")]
+#[cfg(all(feature = "model_tt", not(feature = "model_mercury")))]
 pub use super::model_tt::constant::*;
diff --git a/core/embed/rust/src/ui/display/loader/mod.rs b/core/embed/rust/src/ui/display/loader/mod.rs
index 5d41532c04..691770a4a3 100644
--- a/core/embed/rust/src/ui/display/loader/mod.rs
+++ b/core/embed/rust/src/ui/display/loader/mod.rs
@@ -7,7 +7,7 @@ mod starry;
 
 use crate::ui::display::{Color, Icon};
 
-#[cfg(feature = "model_tt")]
+#[cfg(any(feature = "model_tt", feature = "model_mercury"))]
 use crate::ui::display::loader::circular::{
     loader_circular as determinate, loader_circular_indeterminate as indeterminate,
 };
diff --git a/core/site_scons/site_tools/micropython/__init__.py b/core/site_scons/site_tools/micropython/__init__.py
index 2c074287f5..22e9feac91 100644
--- a/core/site_scons/site_tools/micropython/__init__.py
+++ b/core/site_scons/site_tools/micropython/__init__.py
@@ -46,6 +46,7 @@ def generate(env):
         optiga = env["optiga"]
         layout_tt = env["ui_layout"] == "UI_LAYOUT_TT"
         layout_tr = env["ui_layout"] == "UI_LAYOUT_TR"
+        layout_mercury = env["ui_layout"] == "UI_LAYOUT_MERCURY"
         thp = env["thp"]
         interim = f"{target[:-4]}.i"  # replace .mpy with .i
         sed_scripts = [
@@ -54,6 +55,7 @@ def generate(env):
             rf"-e 's/utils\.USE_OPTIGA/{optiga}/g'",
             rf"-e 's/utils\.UI_LAYOUT == \"TT\"/{layout_tt}/g'",
             rf"-e 's/utils\.UI_LAYOUT == \"TR\"/{layout_tr}/g'",
+            rf"-e 's/utils\.UI_LAYOUT == \"MERCURY\"/{layout_mercury}/g'",
             rf"-e 's/utils\.USE_THP/{thp}/g'",
             r"-e 's/if TYPE_CHECKING/if False/'",
             r"-e 's/import typing/# \0/'",
diff --git a/core/src/all_modules.py b/core/src/all_modules.py
index 2f51c20a0d..8a10b98bfc 100644
--- a/core/src/all_modules.py
+++ b/core/src/all_modules.py
@@ -157,6 +157,18 @@ trezor.ui.layouts.fido
 import trezor.ui.layouts.fido
 trezor.ui.layouts.homescreen
 import trezor.ui.layouts.homescreen
+trezor.ui.layouts.mercury
+import trezor.ui.layouts.mercury
+trezor.ui.layouts.mercury.fido
+import trezor.ui.layouts.mercury.fido
+trezor.ui.layouts.mercury.homescreen
+import trezor.ui.layouts.mercury.homescreen
+trezor.ui.layouts.mercury.progress
+import trezor.ui.layouts.mercury.progress
+trezor.ui.layouts.mercury.recovery
+import trezor.ui.layouts.mercury.recovery
+trezor.ui.layouts.mercury.reset
+import trezor.ui.layouts.mercury.reset
 trezor.ui.layouts.progress
 import trezor.ui.layouts.progress
 trezor.ui.layouts.recovery
diff --git a/core/src/trezor/ui/layouts/__init__.py b/core/src/trezor/ui/layouts/__init__.py
index a29e2e2cfd..b477332f45 100644
--- a/core/src/trezor/ui/layouts/__init__.py
+++ b/core/src/trezor/ui/layouts/__init__.py
@@ -8,5 +8,7 @@ if utils.UI_LAYOUT == "TR":
     from .tr import *  # noqa: F401,F403
 elif utils.UI_LAYOUT == "TT":
     from .tt import *  # noqa: F401,F403
+elif utils.UI_LAYOUT == "MERCURY":
+    from .mercury import *  # noqa: F401,F403
 else:
     raise ValueError("Unknown layout")
diff --git a/core/src/trezor/ui/layouts/fido.py b/core/src/trezor/ui/layouts/fido.py
index 6b3cb944e3..e7447b1a62 100644
--- a/core/src/trezor/ui/layouts/fido.py
+++ b/core/src/trezor/ui/layouts/fido.py
@@ -4,3 +4,5 @@ if utils.UI_LAYOUT == "TT":
     from .tt.fido import *  # noqa: F401,F403
 elif utils.UI_LAYOUT == "TR":
     from .tr.fido import *  # noqa: F401,F403
+elif utils.UI_LAYOUT == "MERCURY":
+    from .mercury.fido import *  # noqa: F401,F403
diff --git a/core/src/trezor/ui/layouts/homescreen.py b/core/src/trezor/ui/layouts/homescreen.py
index fe31124a26..ef13c57a4d 100644
--- a/core/src/trezor/ui/layouts/homescreen.py
+++ b/core/src/trezor/ui/layouts/homescreen.py
@@ -4,3 +4,5 @@ if utils.UI_LAYOUT == "TT":
     from .tt.homescreen import *  # noqa: F401,F403
 elif utils.UI_LAYOUT == "TR":
     from .tr.homescreen import *  # noqa: F401,F403
+elif utils.UI_LAYOUT == "MERCURY":
+    from .mercury.homescreen import *  # noqa: F401,F403
diff --git a/core/src/trezor/ui/layouts/recovery.py b/core/src/trezor/ui/layouts/recovery.py
index f41f1ae8b2..12a0b33540 100644
--- a/core/src/trezor/ui/layouts/recovery.py
+++ b/core/src/trezor/ui/layouts/recovery.py
@@ -4,3 +4,5 @@ if utils.UI_LAYOUT == "TT":
     from .tt.recovery import *  # noqa: F401,F403
 elif utils.UI_LAYOUT == "TR":
     from .tr.recovery import *  # noqa: F401,F403
+elif utils.UI_LAYOUT == "MERCURY":
+    from .mercury.recovery import *  # noqa: F401,F403
diff --git a/core/src/trezor/ui/layouts/reset.py b/core/src/trezor/ui/layouts/reset.py
index d0cf6b1c9f..d180953509 100644
--- a/core/src/trezor/ui/layouts/reset.py
+++ b/core/src/trezor/ui/layouts/reset.py
@@ -4,3 +4,5 @@ if utils.UI_LAYOUT == "TT":
     from .tt.reset import *  # noqa: F401,F403
 elif utils.UI_LAYOUT == "TR":
     from .tr.reset import *  # noqa: F401,F403
+elif utils.UI_LAYOUT == "MERCURY":
+    from .mercury.reset import *  # noqa: F401,F403