diff --git a/README.md b/README.md
index cb5928c..490d0ea 100644
--- a/README.md
+++ b/README.md
@@ -99,27 +99,27 @@ Note: this list will probably change with each functionality update.
                | `realtek-ambz`
 --------------------|---------------
 Core functions      | ✔️
-GPIO/PWM/IRQ        | ✔️/❓/✔️
+GPIO/PWM/IRQ        | ✔️/✔️/✔️
 Analog input        | ❓
 UART I/O            | ✔️
-Flash I/O           | ❓
+Flash I/O           | ✔️
 **CORE LIBRARIES**  |
 SoftwareSerial      | ❌
 SPI                 | ❌
 Wire                | ❗
 **OTHER LIBRARIES** |
 Wi-Fi STA/AP/Mixed  | ✔️
-Wi-Fi Client (SSL)  | ✔️ (✔️)
-Wi-Fi Server        | ✔️
 Wi-Fi Events        | ✔️
+TCP Client (SSL)    | ✔️ (✔️)
+TCP Server          | ✔️
 IPv6                | ❌
 HTTP Client (SSL)   | ✔️ (✔️)
 HTTP Server         | ✔️
-NVS / Preferences   | ✔️
+NVS / Preferences   | ❌
 SPIFFS              | ❌
 BLE                 | -
 NTP                 | ❌
-OTA                 | ❓
+OTA                 | ✔️
 MDNS                | ✔️
 MQTT                | ✅
 SD                  | ❌
diff --git a/arduino/realtek-ambz/cores/arduino/wiring_analog.c b/arduino/realtek-ambz/cores/arduino/wiring_analog.c
index 9eb90f8..1e5695e 100644
--- a/arduino/realtek-ambz/cores/arduino/wiring_analog.c
+++ b/arduino/realtek-ambz/cores/arduino/wiring_analog.c
@@ -126,7 +126,7 @@ void analogWrite(pin_size_t pinNumber, int value) {
 	pwmout_t *obj;
 
 	if ((g_APinDescription[pinNumber].ulPinAttribute & PIO_PWM) == PIO_PWM) {
-		/* Handle */
+		float percent = value * 1.0 / (1 << _writeResolution);
 		if (g_APinDescription[pinNumber].ulPinType != PIO_PWM) {
 			if ((g_APinDescription[pinNumber].ulPinType == PIO_GPIO) ||
 				(g_APinDescription[pinNumber].ulPinType == PIO_GPIO_IRQ)) {
@@ -136,16 +136,13 @@ void analogWrite(pin_size_t pinNumber, int value) {
 			pwmout_t *obj			   = (pwmout_t *)gpio_pin_struct[pinNumber];
 			pwmout_init(obj, g_APinDescription[pinNumber].pinname);
 			pwmout_period_us(obj, _writePeriod);
-			pwmout_write(obj, value * 1.0 / (1 << _writeResolution));
+			pwmout_write(obj, percent);
 			g_APinDescription[pinNumber].ulPinType = PIO_PWM;
 			g_APinDescription[pinNumber].ulPinMode = PWM_MODE_ENABLED;
 		} else {
 			pwmout_t *obj = (pwmout_t *)gpio_pin_struct[pinNumber];
-			pwmout_period_us(obj, _writePeriod);
-			pwmout_write(obj, value * 1.0 / (1 << _writeResolution));
-			/* if ( g_APinDescription[pinNumber].ulPinMode == PWM_MODE_DISABLED ) {
-				HAL_Pwm_Enable( &obj->pwm_hal_adp );
-			} */
+			// pwmout_period_us(obj, _writePeriod);
+			pwmout_write(obj, percent);
 		}
 	}
 }
diff --git a/platform/realtek-ambz/fixups/lib_rtlstd_patch.a b/platform/realtek-ambz/fixups/lib_rtlstd_patch.a
index 59a85f2..66632af 100644
Binary files a/platform/realtek-ambz/fixups/lib_rtlstd_patch.a and b/platform/realtek-ambz/fixups/lib_rtlstd_patch.a differ
diff --git a/platform/realtek-ambz/fixups/lib_rtlstd_patch.md b/platform/realtek-ambz/fixups/lib_rtlstd_patch.md
index fb20c12..3771200 100644
--- a/platform/realtek-ambz/fixups/lib_rtlstd_patch.md
+++ b/platform/realtek-ambz/fixups/lib_rtlstd_patch.md
@@ -2,13 +2,9 @@
 
 ```
 arm-none-eabi-gcc-ar xo lib_rtlstd.a
-arm-none-eabi-objcopy -N __aeabi_fsub rtl_eabi_cast_ram.o
-arm-none-eabi-objcopy -N __aeabi_fadd rtl_eabi_cast_ram.o
-arm-none-eabi-objcopy -N __aeabi_ui2f rtl_eabi_cast_ram.o
-arm-none-eabi-objcopy -N __aeabi_i2f rtl_eabi_cast_ram.o
+rm rtl_eabi_cast_ram.o
 arm-none-eabi-objcopy --strip-debug --strip-unneeded ram_libc.o
 arm-none-eabi-objcopy --strip-debug --strip-unneeded ram_libgloss_retarget.o
-arm-none-eabi-objcopy --strip-debug --strip-unneeded rtl_eabi_cast_ram.o
 arm-none-eabi-objcopy --strip-debug --strip-unneeded rtl_math_ram.o
 arm-none-eabi-gcc-ar qs lib_rtlstd_patch.a *.o
 ```