diff --git a/applications/main/gpio/gpio_item.c b/applications/main/gpio/gpio_item.c
new file mode 100644
index 000000000..2d0f5f676
--- /dev/null
+++ b/applications/main/gpio/gpio_item.c
@@ -0,0 +1,51 @@
+#include "gpio_item.h"
+
+#include <furi_hal_resources.h>
+
+typedef struct {
+    const char* name;
+    const GpioPin* pin;
+} GpioItem;
+
+static const GpioItem gpio_item[GPIO_ITEM_COUNT] = {
+    {"1.2: PA7", &gpio_ext_pa7},
+    {"1.3: PA6", &gpio_ext_pa6},
+    {"1.4: PA4", &gpio_ext_pa4},
+    {"1.5: PB3", &gpio_ext_pb3},
+    {"1.6: PB2", &gpio_ext_pb2},
+    {"1.7: PC3", &gpio_ext_pc3},
+    {"2.7: PC1", &gpio_ext_pc1},
+    {"2.8: PC0", &gpio_ext_pc0},
+};
+
+void gpio_item_configure_pin(uint8_t index, GpioMode mode) {
+    furi_assert(index < GPIO_ITEM_COUNT);
+    furi_hal_gpio_write(gpio_item[index].pin, false);
+    furi_hal_gpio_init(gpio_item[index].pin, mode, GpioPullNo, GpioSpeedVeryHigh);
+}
+
+void gpio_item_configure_all_pins(GpioMode mode) {
+    for(uint8_t i = 0; i < GPIO_ITEM_COUNT; i++) {
+        gpio_item_configure_pin(i, mode);
+    }
+}
+
+void gpio_item_set_pin(uint8_t index, bool level) {
+    furi_assert(index < GPIO_ITEM_COUNT);
+    furi_hal_gpio_write(gpio_item[index].pin, level);
+}
+
+void gpio_item_set_all_pins(bool level) {
+    for(uint8_t i = 0; i < GPIO_ITEM_COUNT; i++) {
+        gpio_item_set_pin(i, level);
+    }
+}
+
+const char* gpio_item_get_pin_name(uint8_t index) {
+    furi_assert(index < GPIO_ITEM_COUNT + 1);
+    if(index == GPIO_ITEM_COUNT) {
+        return "ALL";
+    } else {
+        return gpio_item[index].name;
+    }
+}
diff --git a/applications/main/gpio/gpio_item.h b/applications/main/gpio/gpio_item.h
new file mode 100644
index 000000000..5cb2b86c1
--- /dev/null
+++ b/applications/main/gpio/gpio_item.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <furi_hal_gpio.h>
+
+#define GPIO_ITEM_COUNT 8
+
+void gpio_item_configure_pin(uint8_t index, GpioMode mode);
+
+void gpio_item_configure_all_pins(GpioMode mode);
+
+void gpio_item_set_pin(uint8_t index, bool level);
+
+void gpio_item_set_all_pins(bool level);
+
+const char* gpio_item_get_pin_name(uint8_t index);
diff --git a/firmware/targets/f7/api_symbols.csv b/firmware/targets/f7/api_symbols.csv
index eccc33cbd..ef978eca9 100644
--- a/firmware/targets/f7/api_symbols.csv
+++ b/firmware/targets/f7/api_symbols.csv
@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,12.7,,
+Version,+,12.8,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
 Header,+,applications/services/cli/cli_vcp.h,,
@@ -205,7 +205,6 @@ Header,+,lib/toolbox/stream/string_stream.h,,
 Header,+,lib/toolbox/tar/tar_archive.h,,
 Header,+,lib/toolbox/value_index.h,,
 Header,+,lib/toolbox/version.h,,
-Header,+,lib/u8g2/u8g2.h,,
 Function,-,LL_ADC_CommonDeInit,ErrorStatus,ADC_Common_TypeDef*
 Function,-,LL_ADC_CommonInit,ErrorStatus,"ADC_Common_TypeDef*, LL_ADC_CommonInitTypeDef*"
 Function,-,LL_ADC_CommonStructInit,void,LL_ADC_CommonInitTypeDef*
@@ -2077,9 +2076,10 @@ Function,+,nfc_device_save_shadow,_Bool,"NfcDevice*, const char*"
 Function,+,nfc_device_set_loading_callback,void,"NfcDevice*, NfcLoadingCallback, void*"
 Function,+,nfc_device_set_name,void,"NfcDevice*, const char*"
 Function,+,nfc_file_select,_Bool,NfcDevice*
-Function,-,nfc_util_bytes2num,uint64_t,"uint8_t*, uint8_t"
+Function,+,nfc_util_bytes2num,uint64_t,"const uint8_t*, uint8_t"
 Function,-,nfc_util_even_parity32,uint8_t,uint32_t
 Function,-,nfc_util_num2bytes,void,"uint64_t, uint8_t, uint8_t*"
+Function,+,nfc_util_odd_parity,void,"const uint8_t*, uint8_t*, uint8_t"
 Function,-,nfc_util_odd_parity8,uint8_t,uint8_t
 Function,-,nfca_append_crc16,void,"uint8_t*, uint16_t"
 Function,-,nfca_emulation_handler,_Bool,"uint8_t*, uint16_t, uint8_t*, uint16_t*"
@@ -4368,8 +4368,8 @@ Function,-,uECC_verify,int,"const uint8_t*, const uint8_t*, unsigned, const uint
 Function,-,ucStreamBufferGetStreamBufferType,uint8_t,StreamBufferHandle_t
 Function,-,ulTaskGenericNotifyTake,uint32_t,"UBaseType_t, BaseType_t, TickType_t"
 Function,-,ulTaskGenericNotifyValueClear,uint32_t,"TaskHandle_t, UBaseType_t, uint32_t"
-Function,-,ulTaskGetIdleRunTimeCounter,configRUN_TIME_COUNTER_TYPE,
-Function,-,ulTaskGetIdleRunTimePercent,configRUN_TIME_COUNTER_TYPE,
+Function,-,ulTaskGetIdleRunTimeCounter,uint32_t,
+Function,-,ulTaskGetIdleRunTimePercent,uint32_t,
 Function,-,ungetc,int,"int, FILE*"
 Function,-,unsetenv,int,const char*
 Function,-,usbd_poll,void,usbd_device*
@@ -4380,7 +4380,7 @@ Function,-,uxStreamBufferGetStreamBufferNumber,UBaseType_t,StreamBufferHandle_t
 Function,-,uxTaskGetNumberOfTasks,UBaseType_t,
 Function,-,uxTaskGetStackHighWaterMark,UBaseType_t,TaskHandle_t
 Function,-,uxTaskGetStackHighWaterMark2,uint16_t,TaskHandle_t
-Function,-,uxTaskGetSystemState,UBaseType_t,"TaskStatus_t*, const UBaseType_t, configRUN_TIME_COUNTER_TYPE*"
+Function,-,uxTaskGetSystemState,UBaseType_t,"TaskStatus_t*, const UBaseType_t, uint32_t*"
 Function,-,uxTaskGetTaskNumber,UBaseType_t,TaskHandle_t
 Function,+,uxTaskPriorityGet,UBaseType_t,const TaskHandle_t
 Function,-,uxTaskPriorityGetFromISR,UBaseType_t,const TaskHandle_t