diff --git a/core/SConscript.firmware b/core/SConscript.firmware
index f5432749c3..9d6a2e6c8d 100644
--- a/core/SConscript.firmware
+++ b/core/SConscript.firmware
@@ -416,12 +416,15 @@ 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')
 
@@ -594,6 +597,12 @@ 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 b9d54c32bf..7483db4cfb 100644
--- a/core/SConscript.unix
+++ b/core/SConscript.unix
@@ -454,13 +454,15 @@ else:
 env = Environment(ENV=os.environ, CFLAGS='%s -DPYOPT=%s -DBITCOIN_ONLY=%s %s' % (ARGUMENTS.get('CFLAGS', ''), PYOPT, BITCOIN_ONLY, STATIC))
 
 
-if TREZOR_MODEL in ('T', 'T3T1'):
+if TREZOR_MODEL in ('T',):
     UI_LAYOUT = 'UI_LAYOUT_TT'
     ui_layout_feature = 'model_tt'
-# XXX TODO
 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')
 
@@ -680,6 +682,12 @@ 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 2cde2041aa..9c78a3e3be 100644
--- a/core/embed/extmod/modtrezorutils/modtrezorutils.c
+++ b/core/embed/extmod/modtrezorutils/modtrezorutils.c
@@ -466,6 +466,8 @@ 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/Cargo.toml b/core/embed/rust/Cargo.toml
index 2381cdfa7d..0c42100b7e 100644
--- a/core/embed/rust/Cargo.toml
+++ b/core/embed/rust/Cargo.toml
@@ -10,6 +10,7 @@ default = ["model_tt"]
 crypto = ["zeroize"]
 model_tt = ["jpeg"]
 model_tr = []
+model_mercury = ["jpeg"]
 micropython = []
 protobuf = ["micropython"]
 ui = []
diff --git a/core/embed/rust/src/ui/constant.rs b/core/embed/rust/src/ui/constant.rs
index 91fd83f704..5534a1e3b5 100644
--- a/core/embed/rust/src/ui/constant.rs
+++ b/core/embed/rust/src/ui/constant.rs
@@ -1,7 +1,13 @@
 //! Reexporting the `constant` module according to the
 //! current feature (Trezor model)
 
-#[cfg(all(feature = "model_tr", not(feature = "model_tt")))]
+#[cfg(feature = "model_mercury")]
+pub use super::model_mercury::constant::*;
+#[cfg(all(
+    feature = "model_tr",
+    not(feature = "model_tt"),
+    not(feature = "model_mercury")
+))]
 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 f87ff791e6..3b780a57de 100644
--- a/core/embed/rust/src/ui/display/loader/mod.rs
+++ b/core/embed/rust/src/ui/display/loader/mod.rs
@@ -5,16 +5,16 @@ 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,
 };
-#[cfg(feature = "model_tt")]
+#[cfg(any(feature = "model_tt", feature = "model_mercury"))]
 pub use crate::ui::display::loader::circular::{loader_circular_uncompress, LoaderDimensions};
 
-#[cfg(not(feature = "model_tt"))]
+#[cfg(all(not(feature = "model_tt"), not(feature = "model_mercury")))]
 use crate::ui::display::loader::rectangular::loader_rectangular as determinate;
-#[cfg(not(feature = "model_tt"))]
+#[cfg(all(not(feature = "model_tt"), not(feature = "model_mercury")))]
 use crate::ui::display::loader::starry::loader_starry_indeterminate as indeterminate;
 
 pub use small::loader_small_indeterminate;
diff --git a/core/embed/rust/src/ui/mod.rs b/core/embed/rust/src/ui/mod.rs
index 98891d08ee..6683baa170 100644
--- a/core/embed/rust/src/ui/mod.rs
+++ b/core/embed/rust/src/ui/mod.rs
@@ -17,6 +17,8 @@ pub mod util;
 #[cfg(feature = "micropython")]
 pub mod layout;
 
+#[cfg(feature = "model_mercury")]
+pub mod model_mercury;
 #[cfg(feature = "model_tr")]
 pub mod model_tr;
 #[cfg(feature = "model_tt")]
diff --git a/core/embed/rust/src/ui/screens.rs b/core/embed/rust/src/ui/screens.rs
index fa3c2cf5d8..3138ee2b73 100644
--- a/core/embed/rust/src/ui/screens.rs
+++ b/core/embed/rust/src/ui/screens.rs
@@ -1,6 +1,8 @@
 //! Reexporting the `screens` module according to the
 //! current feature (Trezor model)
 
+#[cfg(feature = "model_mercury")]
+pub use super::model_mercury::screens::*;
 #[cfg(all(feature = "model_tr", not(feature = "model_tt")))]
 pub use super::model_tr::screens::*;
 #[cfg(feature = "model_tt")]
diff --git a/core/embed/rust/src/ui/shape/model/mod.rs b/core/embed/rust/src/ui/shape/model/mod.rs
index 7a041b13db..50b533237c 100644
--- a/core/embed/rust/src/ui/shape/model/mod.rs
+++ b/core/embed/rust/src/ui/shape/model/mod.rs
@@ -7,3 +7,8 @@ pub use model_tr::render_on_display;
 pub mod model_tt;
 #[cfg(feature = "model_tt")]
 pub use model_tt::render_on_display;
+
+#[cfg(feature = "model_mercury")]
+pub mod model_mercury;
+#[cfg(feature = "model_mercury")]
+pub use model_mercury::render_on_display;
diff --git a/core/site_scons/site_tools/micropython/__init__.py b/core/site_scons/site_tools/micropython/__init__.py
index 94477ba2c9..81345798af 100644
--- a/core/site_scons/site_tools/micropython/__init__.py
+++ b/core/site_scons/site_tools/micropython/__init__.py
@@ -47,6 +47,7 @@ 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"
         interim = f"{target[:-4]}.i"  # replace .mpy with .i
         sed_scripts = " ".join(
             [
@@ -56,6 +57,7 @@ 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'",
                 r"-e 's/if TYPE_CHECKING/if False/'",
                 r"-e 's/import typing/# \0/'",
                 r"-e '/from typing import (/,/^\s*)/ {s/^/# /; }'",
diff --git a/core/src/all_modules.py b/core/src/all_modules.py
index e1162a3c23..04d2ceb546 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/progress.py b/core/src/trezor/ui/layouts/progress.py
index fff760ab1d..99cbfd136f 100644
--- a/core/src/trezor/ui/layouts/progress.py
+++ b/core/src/trezor/ui/layouts/progress.py
@@ -4,3 +4,5 @@ if utils.UI_LAYOUT == "TT":
     from .tt.progress import *  # noqa: F401,F403
 elif utils.UI_LAYOUT == "TR":
     from .tr.progress import *  # noqa: F401,F403
+elif utils.UI_LAYOUT == "MERCURY":
+    from .mercury.progress 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