diff --git a/include/lorawan.h b/include/lorawan.h
index 6acdb24c..72f42d26 100644
--- a/include/lorawan.h
+++ b/include/lorawan.h
@@ -55,7 +55,7 @@ const char *getBwName(rps_t rps);
 const char *getCrName(rps_t rps);
 
 #if (TIME_SYNC_LORAWAN)
-static void user_request_network_time_callback(void *pVoidUserUTCTime,
+void user_request_network_time_callback(void *pVoidUserUTCTime,
                                                int flagSuccess);
 #endif
 
diff --git a/src/display.cpp b/src/display.cpp
index 7f4da8f5..05808f3c 100644
--- a/src/display.cpp
+++ b/src/display.cpp
@@ -77,9 +77,9 @@ void init_display(bool verbose) {
 
     // init display
 #ifndef DISPLAY_FLIP
-    oledInit(OLED_128x64, ANGLE_0, false, -1, -1, 400000L);
+    oledInit(OLED_128x64, false, false, -1, -1, 400000L);
 #else
-    oledInit(OLED_128x64, ANGLE_FLIPY, false, -1, -1, 400000L);
+    oledInit(OLED_128x64, true, false, -1, -1, 400000L);
 #endif
 
     // clear display
diff --git a/src/irqhandler.cpp b/src/irqhandler.cpp
index 47172528..901c0449 100644
--- a/src/irqhandler.cpp
+++ b/src/irqhandler.cpp
@@ -20,16 +20,16 @@ void irqHandler(void *pvParameters) {
 
     if (InterruptStatus & UNMASK_IRQ) // interrupt handler to be enabled?
       mask_irq = false;
-      // else if (mask_irq) // suppress processing if interrupt handler is
-      // disabled
+
+      // suppress processing if interrupt handler is disabled
+      // or time critical lmic jobs are pending in next 100ms
 #if (HAS_LORA)
     else if (mask_irq || os_queryTimeCriticalJobs(ms2osticks(100)))
 #else
     else if (mask_irq)
 #endif
-      // suppress processing if interrupt handler is disabled
-      // or time critical lmic jobs are pending in next 100ms
       continue;
+
     else if (InterruptStatus & MASK_IRQ) { // interrupt handler to be disabled?
       mask_irq = true;
       continue;
diff --git a/src/lorawan.cpp b/src/lorawan.cpp
index fe8ffae5..8b787580 100644
--- a/src/lorawan.cpp
+++ b/src/lorawan.cpp
@@ -373,7 +373,7 @@ void lora_enqueuedata(MessageBuffer_t *message) {
 void lora_queuereset(void) { xQueueReset(LoraSendQueue); }
 
 #if (TIME_SYNC_LORAWAN)
-static void IRAM_ATTR user_request_network_time_callback(void *pVoidUserUTCTime,
+void IRAM_ATTR user_request_network_time_callback(void *pVoidUserUTCTime,
                                                          int flagSuccess) {
   // Explicit conversion from void* to uint32_t* to avoid compiler errors
   time_t *pUserUTCTime = (time_t *)pVoidUserUTCTime;