chore(core/eckhart): align default homescreen and device menu label

diff --git a/core/embed/rust/src/ui/api/firmware_micropython.rs b/core/embed/rust/src/ui/api/firmware_micropython.rs
index 653ff143..223c2340 100644
--- a/core/embed/rust/src/ui/api/firmware_micropython.rs
+++ b/core/embed/rust/src/ui/api/firmware_micropython.rs
@@ -915,10 +915,7 @@ extern "C" fn new_show_group_share_success(
 
 extern "C" fn new_show_homescreen(n_args: usize, args: *const Obj, kwargs: *mut Map) -> Obj {
     let block = move |_args: &[Obj], kwargs: &Map| {
-        let label: TString<'static> = kwargs
-            .get(Qstr::MP_QSTR_label)?
-            .try_into_option()?
-            .unwrap_or_else(|| model::FULL_NAME.into());
+        let label: TString<'static> = kwargs.get(Qstr::MP_QSTR_label)?.try_into()?;
         let notification: Option<TString<'static>> =
             kwargs.get(Qstr::MP_QSTR_notification)?.try_into_option()?;
         let notification_level: u8 = kwargs.get_or(Qstr::MP_QSTR_notification_level, 0)?;
@@ -1890,7 +1887,7 @@ pub static mp_module_trezorui_api: Module = obj_module! {
 
     /// def show_homescreen(
     ///     *,
-    ///     label: str | None,
+    ///     label: str,
     ///     notification: str | None,
     ///     notification_level: int = 0,
     ///     lockable: bool,
diff --git a/core/embed/rust/src/ui/layout_eckhart/theme/firmware.rs b/core/embed/rust/src/ui/layout_eckhart/theme/firmware.rs
index 3d5c4a95..e4be3e7e 100644
--- a/core/embed/rust/src/ui/layout_eckhart/theme/firmware.rs
+++ b/core/embed/rust/src/ui/layout_eckhart/theme/firmware.rs
@@ -40,9 +40,10 @@ pub const TEXT_BIG: TextStyle = TextStyle::new(
     fonts::FONT_SATOSHI_EXTRALIGHT_46,
     GREY_EXTRA_LIGHT,
     BG,
-    GREY_LIGHT,
-    GREY_LIGHT,
-);
+    GREY,
+    GREY,
+)
+.with_line_breaking(LineBreaking::BreakWordsNoHyphen);
 /// TT Satoshi Regular - 38 (Screen text, Menu item label)
 pub const TEXT_REGULAR: TextStyle =
     TextStyle::new(fonts::FONT_SATOSHI_REGULAR_38, GREY_LIGHT, BG, GREY, GREY);
diff --git a/core/mocks/generated/trezorui_api.pyi b/core/mocks/generated/trezorui_api.pyi
index 637793f4..ed51c684 100644
--- a/core/mocks/generated/trezorui_api.pyi
+++ b/core/mocks/generated/trezorui_api.pyi
@@ -610,7 +610,7 @@ def show_group_share_success(
 # rust/src/ui/api/firmware_micropython.rs
 def show_homescreen(
     *,
-    label: str | None,
+    label: str,
     notification: str | None,
     notification_level: int = 0,
     lockable: bool,
diff --git a/core/src/apps/homescreen/device_menu.py b/core/src/apps/homescreen/device_menu.py
index 3f7d4900..cd732001 100644
--- a/core/src/apps/homescreen/device_menu.py
+++ b/core/src/apps/homescreen/device_menu.py
@@ -43,7 +43,9 @@ async def handle_device_menu() -> None:
             wipe_code=config.has_wipe_code() if is_initialized else None,
             check_backup=is_initialized,
             device_name=(
-                (storage_device.get_label() or "Trezor") if is_initialized else None
+                (storage_device.get_label() or utils.MODEL_FULL_NAME)
+                if is_initialized
+                else None
             ),
             screen_brightness=TR.brightness__title if is_initialized else None,
             haptic_feedback=(
diff --git a/core/src/trezor/ui/layouts/homescreen.py b/core/src/trezor/ui/layouts/homescreen.py
index a9f16a46..7639dd82 100644
--- a/core/src/trezor/ui/layouts/homescreen.py
+++ b/core/src/trezor/ui/layouts/homescreen.py
@@ -3,7 +3,7 @@ from typing import TYPE_CHECKING
 import storage.cache as storage_cache
 import trezorui_api
 from storage.cache_common import APP_COMMON_BUSY_DEADLINE_MS
-from trezor import TR, ui
+from trezor import TR, ui, utils
 
 if TYPE_CHECKING:
     from typing import Any, Callable, Iterator, ParamSpec, TypeVar
@@ -72,7 +72,7 @@ class Homescreen(HomescreenBase):
         super().__init__(
             layout=_retry_with_gc(
                 trezorui_api.show_homescreen,
-                label=label,
+                label=label or utils.MODEL_FULL_NAME,
                 notification=notification,
                 notification_level=notification_level,
                 lockable=lockable,
diff --git a/core/translations/en.json b/core/translations/en.json
index f6b02da6..f25286f5 100644
--- a/core/translations/en.json
+++ b/core/translations/en.json
@@ -514,9 +514,9 @@
     "led__title": "LED",
     "lockscreen__tap_to_connect": "Tap to connect",
     "lockscreen__tap_to_unlock": "Tap to unlock",
-    "lockscreen__unlock": "Unlock",
     "lockscreen__title_locked": "Locked",
     "lockscreen__title_not_connected": "Not connected",
+    "lockscreen__unlock": "Unlock",
     "misc__decrypt_value": "Decrypt value",
     "misc__enable_labeling": "Enable labeling?",
     "misc__encrypt_value": "Encrypt value",