diff --git a/examples/companion_radio/ui-new/UITask.cpp b/examples/companion_radio/ui-new/UITask.cpp
index f0f9ed1d..a02b0288 100644
--- a/examples/companion_radio/ui-new/UITask.cpp
+++ b/examples/companion_radio/ui-new/UITask.cpp
@@ -419,38 +419,34 @@ void UITask::newMsg(uint8_t path_len, const char* from_name, const char* text, i
   if (_display != NULL) {
     if (!_display->isOn()) _display->turnOn();
     _auto_off = millis() + AUTO_OFF_MILLIS;  // extend the auto-off timer
-    _next_refresh = 0;  // trigger refresh
+    _next_refresh = 100;  // trigger refresh
   }
 }
 
 void UITask::userLedHandler() {
 #ifdef PIN_STATUS_LED
-  static int state = 0;
-  static int next_change = 0;
-  static int last_increment = 0;
-
   int cur_time = millis();
-  if (cur_time > next_change) {
-    if (state == 0) {
-      state = 1;
+  if (cur_time > next_led_change) {
+    if (led_state == 0) {
+      led_state = 1;
       if (_msgcount > 0) {
-        last_increment = LED_ON_MSG_MILLIS;
+        last_led_increment = LED_ON_MSG_MILLIS;
       } else {
-        last_increment = LED_ON_MILLIS;
+        last_led_increment = LED_ON_MILLIS;
       }
-      next_change = cur_time + last_increment;
+      next_led_change = cur_time + last_led_increment;
     } else {
-      state = 0;
-      next_change = cur_time + LED_CYCLE_MILLIS - last_increment;
+      led_state = 0;
+      next_led_change = cur_time + LED_CYCLE_MILLIS - last_led_increment;
     }
-    digitalWrite(PIN_STATUS_LED, state);
+    digitalWrite(PIN_STATUS_LED, led_state);
   }
 #endif
 }
 
 void UITask::setCurrScreen(UIScreen* c) {
   curr = c;
-  _next_refresh = 0;
+  _next_refresh = 100;
 }
 
 /* 
@@ -520,18 +516,17 @@ void UITask::loop() {
   }
 #endif
 #if defined(DISP_BACKLIGHT) && defined(BACKLIGHT_BTN)
-  static int next_btn_check = 0;
-  if (millis() > next_btn_check) {
+  if (millis() > next_backlight_btn_check) {
     bool touch_state = digitalRead(PIN_BUTTON2);
     digitalWrite(DISP_BACKLIGHT, !touch_state);
-    next_btn_check = millis() + 300;
+    next_backlight_btn_check = millis() + 300;
   }
 #endif
 
   if (c != 0 && curr) {
     curr->handleInput(c);
     _auto_off = millis() + AUTO_OFF_MILLIS;   // extend auto-off timer
-    _next_refresh = 0;  // trigger refresh
+    _next_refresh = 100;  // trigger refresh
   }
 
   userLedHandler();
diff --git a/examples/companion_radio/ui-new/UITask.h b/examples/companion_radio/ui-new/UITask.h
index f9e01550..3a27e55f 100644
--- a/examples/companion_radio/ui-new/UITask.h
+++ b/examples/companion_radio/ui-new/UITask.h
@@ -26,6 +26,12 @@ class UITask : public AbstractUITask {
   unsigned long _alert_expiry;
   int _msgcount;
   unsigned long ui_started_at, next_batt_chck;
+  int next_backlight_btn_check = 0;
+#ifdef PIN_STATUS_LED
+  int led_state = 0;
+  int next_led_change = 0;
+  int last_led_increment = 0;
+#endif
 
   UIScreen* splash;
   UIScreen* home;
diff --git a/src/helpers/ui/GxEPDDisplay.cpp b/src/helpers/ui/GxEPDDisplay.cpp
index 9ba7d074..49022d74 100644
--- a/src/helpers/ui/GxEPDDisplay.cpp
+++ b/src/helpers/ui/GxEPDDisplay.cpp
@@ -28,7 +28,7 @@ bool GxEPDDisplay::begin() {
 
 void GxEPDDisplay::turnOn() {
   if (!_init) begin();
-#if defined(DISP_BACKLIGHT) && !defined(BACLIGHT_BTN)
+#if defined(DISP_BACKLIGHT) && !defined(BACKLIGHT_BTN)
   digitalWrite(DISP_BACKLIGHT, HIGH);
 #endif
   _isOn = true;
diff --git a/variants/techo/platformio.ini b/variants/techo/platformio.ini
index 260be35f..f748fdfe 100644
--- a/variants/techo/platformio.ini
+++ b/variants/techo/platformio.ini
@@ -92,3 +92,4 @@ lib_deps =
   ${LilyGo_Techo.lib_deps}
   densaugeo/base64 @ ~1.4.0
   zinggjm/GxEPD2 @ 1.6.2
+  bakercp/CRC32 @ ^2.0.0