diff --git a/Firmware/Chameleon-Mini/Makefile b/Firmware/Chameleon-Mini/Makefile
index 7325d98..9190350 100644
--- a/Firmware/Chameleon-Mini/Makefile
+++ b/Firmware/Chameleon-Mini/Makefile
@@ -18,11 +18,11 @@ SETTINGS    += -DCONFIG_MF_ULTRALIGHT_SUPPORT
 SETTINGS	+= -DCONFIG_ISO14443A_SNIFF_SUPPORT
 SETTINGS	+= -DCONFIG_ISO14443A_READER_SUPPORT
 SETTINGS 	+= -DCONFIG_NTAG215_SUPPORT
-SETTINGS	+= -DCONFIG_VICINITY_SUPPORT
-SETTINGS	+= -DCONFIG_SL2S2002_SUPPORT
-SETTINGS	+= -DCONFIG_TITAGITSTANDARD_SUPPORT
+# SETTINGS	+= -DCONFIG_VICINITY_SUPPORT
+# SETTINGS	+= -DCONFIG_SL2S2002_SUPPORT
+# SETTINGS	+= -DCONFIG_TITAGITSTANDARD_SUPPORT
+# SETTINGS	+= -DCONFIG_EM4233_SUPPORT
 SETTINGS	+= -DCONFIG_ISO15693_SNIFF_SUPPORT
-SETTINGS	+= -DCONFIG_EM4233_SUPPORT
 
 #Support magic mode on mifare classic configuration
 SETTINGS    += -DSUPPORT_MF_CLASSIC_MAGIC_MODE
@@ -198,7 +198,7 @@ check_size:
 	if [ ! -f $(TARGET).elf ]; then \
 		exit 0; \
 	fi; \
-	PROGMEM_SIZE=$$(avr-size --mcu=atxmega128a4u --format=avr $(TARGET).elf | grep -oP "\d+" | sed -n 3p); \
+	PROGMEM_SIZE=$$(avr-size --mcu=atxmega128a4u --format=avr $(TARGET).elf | grep -oP "Program:\W+(\d+)" | grep -oP "\d+"); \
 	MAX_PRGMEM_SIZE=$$(printf "%d\n" $(FLASH_DATA_ADDR)); \
 	if [ $$PROGMEM_SIZE -gt $$MAX_PRGMEM_SIZE ]; then \
 		echo "make: *** $(TARGET).elf Application Section size $$PROGMEM_SIZE excedes maximum allowed $$MAX_PRGMEM_SIZE. Please disable some features in Makefile"; \
diff --git a/README.md b/README.md
index 78a744d..f3acdd9 100644
--- a/README.md
+++ b/README.md
@@ -159,7 +159,7 @@ MF_DETECTION_1K|Detecting reader to obtain keys|MFKEY32V2|List results directly|
 MF_DETECTION_4K|Detecting reader to obtain keys|MFKEY32V2|List results directly|
 ISO14443A_READER|Reader Mode|-|Display UID|
 ISO14443A_SNIFF|Sniffing|-|Not supported|
-ISO15693_SNIFF|Sniffing|-|Not supported|
+ISO15693_SNIFF|Sniffing|-|Supported|
 
 **4. Button Custom Function Introduction**
 
@@ -296,7 +296,8 @@ Sniff Mode NTAG|ISO14443A 106 kbit/s|Support|Support| No
 LEGIC prime|LEGICprime/ ISO14443A/ ISO15693|Possible but not supported|Possible but not supported|No|
 HID iCLASS|125kHz/ISO15693/ISO14443B|Possible but not supported|Possible but not supported|No|
 Epass|ISO14443A/B|Supported / Supported|Low rate only / not supported|No|
-ISO15693|ISO15693|Support|Support|No|
+TiTagIT Standard|ISO15693|Support|Support|Support|
+EM4233|ISO15693|Support|Support|Support|
 
 
 （2）Sniff Mode Support Type
@@ -305,7 +306,8 @@ ISO15693|ISO15693|Support|Support|No|
 |Encoding type|Whether the hardware supports|Does the software support| Whether the application layer supports|Note|
 | ------------------- |:-------------------:| -------------------:| ------------------- |-------------------:|
 Non-13.56MHz|Not Supported|Not Supported|Not Supported|
-ISO 14443 A 106 kbit/s|Reader -> card Direction sniffing|Maybe support the other direction|Currently only supported Reader -> card Direction sniffing |Support|
+ISO 14443 A 106 kbit/s|Reader -> card Direction sniffing|Maybe support the other direction|Currently only supported Reader -> card Direction sniffing ||
+ISO 15693|Support|Support|Support|Single subcarrier only|
 
 
 （3） Card Type Supported via Reading