diff --git a/nyx/nyx_gui/frontend/fe_emmc_tools.c b/nyx/nyx_gui/frontend/fe_emmc_tools.c
index 2f40253..28dd0f5 100644
--- a/nyx/nyx_gui/frontend/fe_emmc_tools.c
+++ b/nyx/nyx_gui/frontend/fe_emmc_tools.c
@@ -386,7 +386,7 @@ static int _dump_emmc_part(emmc_tool_gui_t *gui, char *sd_path, int active_part,
 	}
 
 	s_printf(gui->txt_buf, "#96FF00 SD Card free space:# %d MiB\n#96FF00 Total backup size:# %d MiB\n\n",
-		sd_fs.free_clst * sd_fs.csize >> SECTORS_TO_MIB_COEFF,
+		(u32)(sd_fs.free_clst * sd_fs.csize >> SECTORS_TO_MIB_COEFF),
 		totalSectors >> SECTORS_TO_MIB_COEFF);
 	lv_label_ins_text(gui->label_info, LV_LABEL_POS_LAST, gui->txt_buf);
 	manual_system_maintenance(true);
@@ -753,7 +753,7 @@ void dump_emmc_selected(emmcPartType_t dumpType, emmc_tool_gui_t *gui)
 	char *txt_buf = (char *)malloc(SZ_16K);
 	gui->txt_buf = txt_buf;
 
-	s_printf(txt_buf, "");
+	txt_buf[0] = 0;
 	lv_label_set_text(gui->label_log, txt_buf);
 
 	lv_label_set_text(gui->label_info, "Checking for available free space...");
@@ -1024,7 +1024,7 @@ static int _restore_emmc_part(emmc_tool_gui_t *gui, char *sd_path, int active_pa
 
 				if (check_4MB_aligned && (((u64)fno.fsize) % SZ_4M))
 				{
-					s_printf(gui->txt_buf, "#FFDD00 The split file must be a#\n#FFDD00 multiple of 4 MiB.#\n#FFDD00 Aborting...#", res, outFilename);
+					s_printf(gui->txt_buf, "#FFDD00 The split file must be a#\n#FFDD00 multiple of 4 MiB.#\n#FFDD00 Aborting...#");
 					lv_label_ins_text(gui->label_log, LV_LABEL_POS_LAST, gui->txt_buf);
 					manual_system_maintenance(true);
 
@@ -1126,7 +1126,7 @@ multipart_not_allowed:
 			if (!(btn_wait() & BTN_POWER))
 			{
 				lv_obj_del(warn_mbox_bg);
-				s_printf(gui->txt_buf, "\n#FF0000 Size of the SD Card backup does not match#\n#FF0000 eMMC's selected part size.#\n", res);
+				s_printf(gui->txt_buf, "\n#FF0000 Size of the SD Card backup does not match#\n#FF0000 eMMC's selected part size.#\n");
 				lv_label_ins_text(gui->label_log, LV_LABEL_POS_LAST, gui->txt_buf);
 				manual_system_maintenance(true);
 
@@ -1358,7 +1358,7 @@ void restore_emmc_selected(emmcPartType_t restoreType, emmc_tool_gui_t *gui)
 	char *txt_buf = (char *)malloc(SZ_16K);
 	gui->txt_buf = txt_buf;
 
-	s_printf(txt_buf, "");
+	txt_buf[0] = 0;
 	lv_label_set_text(gui->label_log, txt_buf);
 
 	manual_system_maintenance(true);
diff --git a/nyx/nyx_gui/frontend/fe_emummc_tools.c b/nyx/nyx_gui/frontend/fe_emummc_tools.c
index 975f0fe..e6b2869 100644
--- a/nyx/nyx_gui/frontend/fe_emummc_tools.c
+++ b/nyx/nyx_gui/frontend/fe_emummc_tools.c
@@ -149,7 +149,7 @@ static int _dump_emummc_file_part(emmc_tool_gui_t *gui, char *sd_path, sdmmc_sto
 	u32 sdPathLen = strlen(sd_path);
 
 	s_printf(gui->txt_buf, "#96FF00 SD Card free space:# %d MiB\n#96FF00 Total backup size:# %d MiB\n\n",
-		sd_fs.free_clst * sd_fs.csize >> SECTORS_TO_MIB_COEFF,
+		(u32)(sd_fs.free_clst * sd_fs.csize >> SECTORS_TO_MIB_COEFF),
 		totalSectors >> SECTORS_TO_MIB_COEFF);
 	lv_label_ins_text(gui->label_info, LV_LABEL_POS_LAST, gui->txt_buf);
 	manual_system_maintenance(true);
@@ -358,7 +358,7 @@ void dump_emummc_file(emmc_tool_gui_t *gui)
 	gui->base_path = (char *)malloc(OUT_FILENAME_SZ);
 	gui->txt_buf = txt_buf;
 
-	s_printf(txt_buf, "");
+	txt_buf[0] = 0;
 	lv_label_set_text(gui->label_log, txt_buf);
 
 	manual_system_maintenance(true);
@@ -841,7 +841,7 @@ void dump_emummc_raw(emmc_tool_gui_t *gui, int part_idx, u32 sector_start, u32 r
 	gui->base_path = (char *)malloc(OUT_FILENAME_SZ);
 	gui->txt_buf = txt_buf;
 
-	s_printf(txt_buf, "");
+	txt_buf[0] = 0;
 	lv_label_set_text(gui->label_log, txt_buf);
 
 	manual_system_maintenance(true);
diff --git a/nyx/nyx_gui/frontend/gui.c b/nyx/nyx_gui/frontend/gui.c
index 798dbe9..99d27e8 100644
--- a/nyx/nyx_gui/frontend/gui.c
+++ b/nyx/nyx_gui/frontend/gui.c
@@ -2176,7 +2176,7 @@ static void _nyx_set_default_styles(lv_theme_t * th)
 
 	lv_color_t tmp_color = lv_color_hsv_to_rgb(n_cfg.themecolor, 100, 100);
 	text_color = malloc(32);
-	s_printf(text_color, "#%06X", tmp_color.full & 0xFFFFFF);
+	s_printf(text_color, "#%06X", (u32)(tmp_color.full & 0xFFFFFF));
 }
 
 lv_task_t *task_bpmp_clock;
diff --git a/nyx/nyx_gui/frontend/gui_info.c b/nyx/nyx_gui/frontend/gui_info.c
index f9b87e8..464df7d 100644
--- a/nyx/nyx_gui/frontend/gui_info.c
+++ b/nyx/nyx_gui/frontend/gui_info.c
@@ -2070,7 +2070,7 @@ static lv_res_t _create_window_sdcard_info_status(lv_obj_t *btn)
 			sd_fs.fs_type == FS_EXFAT ? ("exFAT  "SYMBOL_SHRK) : ("FAT32"),
 			(sd_fs.csize > 1) ? (sd_fs.csize >> 1) : 512,
 			(sd_fs.csize > 1) ? "KiB" : "B",
-			sd_fs.free_clst * sd_fs.csize >> SECTORS_TO_MIB_COEFF);
+			(u32)(sd_fs.free_clst * sd_fs.csize >> SECTORS_TO_MIB_COEFF));
 
 		lv_label_set_text(lb_val3, txt_buf);
 
@@ -2159,7 +2159,7 @@ static lv_res_t _create_window_battery_status(lv_obj_t *btn)
 
 	max17050_get_property(MAX17050_RepSOC, &cap_pct);
 	max17050_get_property(MAX17050_RepCap, &value);
-	s_printf(txt_buf, "\n%d mAh [%d %]\n", value, cap_pct >> 8);
+	s_printf(txt_buf, "\n%d mAh [%d %%]\n", value, cap_pct >> 8);
 
 	max17050_get_property(MAX17050_FullCAP, &value);
 	s_printf(txt_buf + strlen(txt_buf), "%d mAh\n", value);