diff --git a/src/main.h b/src/main.h
index b1ff550fe..056ed9452 100644
--- a/src/main.h
+++ b/src/main.h
@@ -40,9 +40,6 @@ extern bool isCharging;
 extern bool isUSBPowered;
 
 
-#if !defined(ARCH_PORTDUINO) && !defined(ARCH_STM32WL)
-extern ATECCX08A atecc;
-#endif
 struct DataInfo {
     int lora_channel_num;
     double lora_freq;
diff --git a/variants/m5stack_core2/platformio.ini b/variants/m5stack_core2/platformio.ini
index cae516ad2..3c7c32c99 100644
--- a/variants/m5stack_core2/platformio.ini
+++ b/variants/m5stack_core2/platformio.ini
@@ -22,5 +22,5 @@ build_flags =
   -DDISABLE_ALL_LIBRARY_WARNINGS
 lib_deps = 
   ${esp32_base.lib_deps}
-  lovyan03/LovyanGFX@^1.1.8
-  m5stack/M5Unified@^0.1.14
\ No newline at end of file
+  lovyan03/LovyanGFX@^1.2.0
+  m5stack/M5Unified@^0.2.3
\ No newline at end of file
diff --git a/variants/m5stack_core2/variant.h b/variants/m5stack_core2/variant.h
index cdd10dc76..605a6be6a 100644
--- a/variants/m5stack_core2/variant.h
+++ b/variants/m5stack_core2/variant.h
@@ -20,6 +20,7 @@
 #define LORA_CS 33    //NSS
 
 #define USE_RF95
+#define RF95_MAX_POWER 17
 #define LORA_DIO0 35  // IRQ 
 #define LORA_RESET 19
 #define LORA_DIO1 RADIOLIB_NC // Not really used
diff --git a/variants/m5stack_corebasic/platformio.ini b/variants/m5stack_corebasic/platformio.ini
index aa92ea6db..0d60a848d 100644
--- a/variants/m5stack_corebasic/platformio.ini
+++ b/variants/m5stack_corebasic/platformio.ini
@@ -21,5 +21,5 @@ build_flags =
   -DSPI_READ_FREQUENCY=16000000
 lib_deps = 
   ${esp32_base.lib_deps}
-  lovyan03/LovyanGFX@^1.1.8
-  m5stack/M5Unified@^0.1.14
\ No newline at end of file
+  lovyan03/LovyanGFX@^1.2.0
+  m5stack/M5Unified@^0.2.3
\ No newline at end of file
diff --git a/variants/m5stack_corebasic/variant.h b/variants/m5stack_corebasic/variant.h
index 92dc58a65..3d4233ce5 100644
--- a/variants/m5stack_corebasic/variant.h
+++ b/variants/m5stack_corebasic/variant.h
@@ -23,6 +23,7 @@
 #define LORA_CS 5   //NSS
 
 #define USE_RF95
+#define RF95_MAX_POWER 17
 #define LORA_DIO0 35  // IRQ 
 #define LORA_RESET 13 // RST
 #define LORA_DIO1 RADIOLIB_NC // Not really used