From f4b30cdbc7cc112a7e8d7ca129fa0fd90a0eee8e Mon Sep 17 00:00:00 2001
From: WillyJL <me@willyjl.dev>
Date: Sun, 19 Apr 2026 23:45:17 +0200
Subject: [PATCH] Sub-GHz: Fix display of memory full

---
 CHANGELOG.md                                            | 1 +
 applications/main/subghz/scenes/subghz_scene_receiver.c | 4 ++--
 applications/main/subghz/subghz_history.c               | 4 ++--
 applications/main/subghz/views/receiver.c               | 6 ++++--
 4 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index bab67b77d..44b2643f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -75,6 +75,7 @@
 
 ### Fixed:
 - Sub-GHz:
+  - Fix display of memory full (by @WillyJL)
   - UL: Fixed button mapping for FAAC RC/XT (by @xMasterX)
   - UL: Possible Sommer timings fix (by @xMasterX)
   - UL: Various fixes and cleanup (by @xMasterX)
diff --git a/applications/main/subghz/scenes/subghz_scene_receiver.c b/applications/main/subghz/scenes/subghz_scene_receiver.c
index 10a6c141c..65dfd475e 100644
--- a/applications/main/subghz/scenes/subghz_scene_receiver.c
+++ b/applications/main/subghz/scenes/subghz_scene_receiver.c
@@ -97,9 +97,9 @@ static void subghz_scene_receiver_update_statusbar(void* context) {
     } else {
         subghz_view_receiver_add_data_statusbar(
             subghz->subghz_receiver,
+            "",
+            "",
             furi_string_get_cstr(history_stat_str),
-            "",
-            "",
             subghz_txrx_hopper_get_state(subghz->txrx) != SubGhzHopperStateOFF,
             READ_BIT(subghz->filter, SubGhzProtocolFlag_BinRAW) > 0,
             show_sats,
diff --git a/applications/main/subghz/subghz_history.c b/applications/main/subghz/subghz_history.c
index 697c9ff5b..0bbd72391 100644
--- a/applications/main/subghz/subghz_history.c
+++ b/applications/main/subghz/subghz_history.c
@@ -199,11 +199,11 @@ bool subghz_history_get_text_space_left(
     furi_assert(instance);
     if(!ignore_full) {
         if(memmgr_get_free_heap() < SUBGHZ_HISTORY_FREE_HEAP) {
-            if(output != NULL) furi_string_printf(output, "    Memory is FULL");
+            if(output != NULL) furi_string_set(output, "Memory is FULL");
             return true;
         }
         if(instance->last_index_write == SUBGHZ_HISTORY_MAX) {
-            if(output != NULL) furi_string_printf(output, "     History is FULL");
+            if(output != NULL) furi_string_set(output, "History is FULL");
             return true;
         }
     }
diff --git a/applications/main/subghz/views/receiver.c b/applications/main/subghz/views/receiver.c
index 47772ac2d..960cbd38c 100644
--- a/applications/main/subghz/views/receiver.c
+++ b/applications/main/subghz/views/receiver.c
@@ -435,8 +435,10 @@ void subghz_view_receiver_draw(Canvas* canvas, SubGhzViewReceiverModel* model) {
         canvas_draw_str(canvas, 44, 62, frequency_str);
 #ifdef SUBGHZ_EXT_PRESET_NAME
         if(model->history_item == 0 && model->mode == SubGhzViewReceiverModeLive) {
-            canvas_draw_str(
-                canvas, 44 + canvas_string_width(canvas, frequency_str) + 1, 62, "MHz");
+            if(*frequency_str) {
+                canvas_draw_str(
+                    canvas, 44 + canvas_string_width(canvas, frequency_str) + 1, 62, "MHz");
+            }
             const char* str = furi_string_get_cstr(model->preset_str);
             const uint8_t vertical_offset = 7;
             const uint8_t horizontal_offset = 3;