diff --git a/core/embed/bootloader/main.c b/core/embed/bootloader/main.c
index 38316db30c..71b61d05e1 100644
--- a/core/embed/bootloader/main.c
+++ b/core/embed/bootloader/main.c
@@ -257,7 +257,7 @@ static void check_bootloader_version(void) {
          NULL);
 
   ensure(sectrue * (0 == memcmp(bits, bits2, FLASH_OTP_BLOCK_SIZE)),
-         "Bootloader downgraded");
+         "Bootloader downgrade protection");
 }
 
 #endif
@@ -479,27 +479,27 @@ int bootloader_main(void) {
   }
 
   ensure(read_vendor_header((const uint8_t *)FIRMWARE_START, &vhdr),
-         "invalid vendor header");
+         "Firmware is corrupted");
 
-  ensure(check_vendor_header_keys(&vhdr), "invalid vendor header signature");
+  ensure(check_vendor_header_keys(&vhdr), "Firmware is corrupted");
 
-  ensure(check_vendor_header_lock(&vhdr), "unauthorized vendor keys");
+  ensure(check_vendor_header_lock(&vhdr), "Unauthorized vendor keys");
 
   hdr = read_image_header((const uint8_t *)(FIRMWARE_START + vhdr.hdrlen),
                           FIRMWARE_IMAGE_MAGIC, FIRMWARE_IMAGE_MAXSIZE);
 
   ensure(hdr == (const image_header *)(FIRMWARE_START + vhdr.hdrlen) ? sectrue
                                                                      : secfalse,
-         "invalid firmware header");
+         "Firmware is corrupted");
 
-  ensure(check_image_model(hdr), "wrong firmware model");
+  ensure(check_image_model(hdr), "Wrong firmware model");
 
   ensure(check_image_header_sig(hdr, vhdr.vsig_m, vhdr.vsig_n, vhdr.vpub),
-         "invalid firmware signature");
+         "Firmware is corrupted");
 
   ensure(check_image_contents(hdr, IMAGE_HEADER_SIZE + vhdr.hdrlen,
                               FIRMWARE_SECTORS, FIRMWARE_SECTORS_COUNT),
-         "invalid firmware hash");
+         "Firmware is corrupted");
 
   // if all VTRUST flags are unset = ultimate trust => skip the procedure
 
@@ -537,4 +537,4 @@ int bootloader_main(void) {
   return 0;
 }
 
-void HardFault_Handler(void) { error_shutdown("INTERNAL ERROR!", "(HF)"); }
+void HardFault_Handler(void) { error_shutdown("INTERNAL ERROR", "(HF)"); }
diff --git a/core/embed/firmware/main.c b/core/embed/firmware/main.c
index f26091df30..d56ac9df77 100644
--- a/core/embed/firmware/main.c
+++ b/core/embed/firmware/main.c
@@ -184,7 +184,7 @@ int main(void) {
 // MicroPython default exception handler
 
 void __attribute__((noreturn)) nlr_jump_fail(void *val) {
-  error_shutdown("INTERNAL ERROR!", "(UE)");
+  error_shutdown("INTERNAL ERROR", "(UE)");
 }
 
 // interrupt handlers
@@ -192,19 +192,19 @@ void __attribute__((noreturn)) nlr_jump_fail(void *val) {
 void NMI_Handler(void) {
   // Clock Security System triggered NMI
   if ((RCC->CIR & RCC_CIR_CSSF) != 0) {
-    error_shutdown("INTERNAL ERROR!", "(CS)");
+    error_shutdown("INTERNAL ERROR", "(CS)");
   }
 }
 
-void HardFault_Handler(void) { error_shutdown("INTERNAL ERROR!", "(HF)"); }
+void HardFault_Handler(void) { error_shutdown("INTERNAL ERROR", "(HF)"); }
 
-void MemManage_Handler_MM(void) { error_shutdown("INTERNAL ERROR!", "(MM)"); }
+void MemManage_Handler_MM(void) { error_shutdown("INTERNAL ERROR", "(MM)"); }
 
-void MemManage_Handler_SO(void) { error_shutdown("INTERNAL ERROR!", "(SO)"); }
+void MemManage_Handler_SO(void) { error_shutdown("INTERNAL ERROR", "(SO)"); }
 
-void BusFault_Handler(void) { error_shutdown("INTERNAL ERROR!", "(BF)"); }
+void BusFault_Handler(void) { error_shutdown("INTERNAL ERROR", "(BF)"); }
 
-void UsageFault_Handler(void) { error_shutdown("INTERNAL ERROR!", "(UF)"); }
+void UsageFault_Handler(void) { error_shutdown("INTERNAL ERROR", "(UF)"); }
 
 __attribute__((noreturn)) void reboot_to_bootloader() {
   jump_to_with_flag(BOOTLOADER_START + IMAGE_HEADER_SIZE,
diff --git a/core/embed/rust/src/trezorhal/fatal_error.rs b/core/embed/rust/src/trezorhal/fatal_error.rs
index aaae4bd2e4..b5ba27bf49 100644
--- a/core/embed/rust/src/trezorhal/fatal_error.rs
+++ b/core/embed/rust/src/trezorhal/fatal_error.rs
@@ -19,7 +19,7 @@ pub fn __fatal_error(_expr: &str, _msg: &str, _file: &str, _line: u32, _func: &s
 
 #[cfg(not(feature = "bootloader"))]
 pub fn __fatal_error(_expr: &str, msg: &str, _file: &str, _line: u32, _func: &str) -> ! {
-    screen_fatal_error("FATAL ERROR", msg, "PLEASE VISIT\nTREZOR.IO/RSOD");
+    screen_fatal_error("INTERNAL_ERROR", msg, "PLEASE VISIT\nTREZOR.IO/RSOD");
     shutdown()
 }
 
diff --git a/core/embed/rust/src/ui/model_tt/bootloader/mod.rs b/core/embed/rust/src/ui/model_tt/bootloader/mod.rs
index 72c4466c91..4417b282ca 100644
--- a/core/embed/rust/src/ui/model_tt/bootloader/mod.rs
+++ b/core/embed/rust/src/ui/model_tt/bootloader/mod.rs
@@ -320,7 +320,7 @@ extern "C" fn screen_wipe_success() {
     let mut frame = ResultScreen::new(
         &RESULT_WIPE,
         Icon::new(CHECK40),
-        "Trezor reset\nsuccessfully.",
+        "Trezor reset\nsuccessfully",
         RECONNECT_MESSAGE,
         true,
     );
@@ -332,7 +332,7 @@ extern "C" fn screen_wipe_fail() {
     let mut frame = ResultScreen::new(
         &RESULT_WIPE,
         Icon::new(WARNING40),
-        "Trezor reset was\nnot successful.",
+        "Trezor reset was\nnot successful",
         RECONNECT_MESSAGE,
         true,
     );
@@ -364,7 +364,7 @@ extern "C" fn screen_install_fail() {
     let mut frame = ResultScreen::new(
         &RESULT_FW_INSTALL,
         Icon::new(WARNING40),
-        "Firmware installation was\nnot successful.",
+        "Firmware installation was not successful",
         RECONNECT_MESSAGE,
         true,
     );
@@ -375,7 +375,7 @@ fn screen_install_success_bld(msg: &'static str, complete_draw: bool) {
     let mut frame = ResultScreen::new(
         &RESULT_FW_INSTALL,
         Icon::new(CHECK40),
-        "Firmware installed\nsuccessfully.",
+        "Firmware installed\nsuccessfully",
         msg,
         complete_draw,
     );
@@ -386,7 +386,7 @@ fn screen_install_success_initial(msg: &'static str, complete_draw: bool) {
     let mut frame = ResultScreen::new(
         &RESULT_INITIAL,
         Icon::new(CHECK40),
-        "Firmware installed\nsuccessfully.",
+        "Firmware installed\nsuccessfully",
         msg,
         complete_draw,
     );
diff --git a/core/embed/trezorhal/common.c b/core/embed/trezorhal/common.c
index 7c93505e98..59f30fbd0b 100644
--- a/core/embed/trezorhal/common.c
+++ b/core/embed/trezorhal/common.c
@@ -89,12 +89,12 @@ __fatal_error(const char *expr, const char *msg, const char *file, int line,
 #ifdef FANCY_FATAL_ERROR
   char buf[256] = {0};
   mini_snprintf(buf, sizeof(buf), "%s: %d", file, line);
-  screen_fatal_error_rust("FATAL ERROR", msg != NULL ? msg : buf,
+  screen_fatal_error_rust("INTERNAL ERROR", msg != NULL ? msg : buf,
                           "PLEASE VISIT\nTREZOR.IO/RSOD");
   display_refresh();
 #else
   display_print_color(COLOR_WHITE, COLOR_FATAL_ERROR);
-  display_printf("\nFATAL ERROR:\n");
+  display_printf("\nINTERNAL ERROR:\n");
   if (expr) {
     display_printf("expr: %s\n", expr);
   }
diff --git a/core/embed/unix/common.c b/core/embed/unix/common.c
index 0c7440808a..204d6dc79e 100644
--- a/core/embed/unix/common.c
+++ b/core/embed/unix/common.c
@@ -85,16 +85,18 @@ __fatal_error(const char *expr, const char *msg, const char *file, int line,
     msg = "Unknown error";
     char buf[256] = {0};
     snprintf(buf, sizeof(buf), "%s: %d", file, line);
-    screen_fatal_error_rust("FATAL ERROR", buf, "PLEASE VISIT\nTREZOR.IO/RSOD");
+    screen_fatal_error_rust("INTERNAL ERROR", buf,
+                            "PLEASE VISIT\nTREZOR.IO/RSOD");
   } else {
-    screen_fatal_error_rust("FATAL ERROR", msg, "PLEASE VISIT\nTREZOR.IO/RSOD");
+    screen_fatal_error_rust("INTERNAL ERROR", msg,
+                            "PLEASE VISIT\nTREZOR.IO/RSOD");
   }
 
   display_refresh();
 #else
   display_print_color(COLOR_WHITE, COLOR_FATAL_ERROR);
-  display_printf("\nFATAL ERROR:\n");
-  printf("\nFATAL ERROR:\n");
+  display_printf("\nINTERNAL ERROR:\n");
+  printf("\nINTERNAL ERROR:\n");
   if (expr) {
     display_printf("expr: %s\n", expr);
     printf("expr: %s\n", expr);