diff --git a/arduino/beken-72xx/port/flashdb/fal_flash_bk72xx_port.c b/arduino/beken-72xx/port/flashdb/fal_flash_bk72xx_port.c
index 9e2ace7..abca7a0 100644
--- a/arduino/beken-72xx/port/flashdb/fal_flash_bk72xx_port.c
+++ b/arduino/beken-72xx/port/flashdb/fal_flash_bk72xx_port.c
@@ -1,5 +1,6 @@
 /* Copyright (c) Kuba Szczodrzyński 2022-06-19. */
 
+#include <lt_logger.h>
 #include <sdk_extern.h>
 
 #include <fal.h>
@@ -8,15 +9,27 @@
 #define FLASH_ERASE_MIN_SIZE (4 * 1024)
 
 extern uint32_t flash_ctrl(uint32_t cmd, void *param);
+extern PROTECT_TYPE get_flash_protect();
 extern void flash_protection_op(uint8_t mode, PROTECT_TYPE type);
 
+static void unprotect() {
+	PROTECT_TYPE type = get_flash_protect();
+	if (type != FLASH_PROTECT_NONE) {
+		flash_protection_op(0, FLASH_PROTECT_NONE);
+#if LT_LOGLEVEL <= LT_LEVEL_DEBUG
+		LT_D("Flash protect: %u -> %u", type, get_flash_protect());
+		uint16_t sr = 0;
+		flash_ctrl(CMD_FLASH_READ_SR, &sr);
+		LT_D("SR = %04x", sr);
+#endif
+	}
+}
+
 static int init() {
 	__wrap_bk_printf_disable();
 	flash_init();
-#if CFG_SOC_NAME == SOC_BK7231N
 	flash_ctrl(CMD_FLASH_WRITE_ENABLE, NULL);
-	flash_protection_op(0, FLASH_PROTECT_NONE);
-#endif
+	unprotect();
 	__wrap_bk_printf_enable();
 	return 0;
 }
@@ -27,11 +40,13 @@ static int read(long offset, uint8_t *buf, size_t size) {
 }
 
 static int write(long offset, const uint8_t *buf, size_t size) {
+	unprotect();
 	flash_write((char *)buf, size, offset);
 	return size;
 }
 
 static int erase(long offset, size_t size) {
+	unprotect();
 	size = ((size - 1) / FLASH_ERASE_MIN_SIZE) + 1;
 	for (uint16_t i = 0; i < size; i++) {
 		uint32_t addr = offset + i * FLASH_ERASE_MIN_SIZE;