diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 6e2e75db0..6eedcdd61 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -844,11 +844,11 @@ void UsbPacketReceived(uint8_t *packet, int len)
 		case CMD_MIFARE_WRITEBL:
 			MifareWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
 			break;
-		case CMD_MIFAREU_WRITEBL_COMPAT:
-			MifareUWriteBlock(c->arg[0], c->d.asBytes);
-			break;
+		//case CMD_MIFAREU_WRITEBL_COMPAT:
+			//MifareUWriteBlockCompat(c->arg[0], c->d.asBytes);
+			//break;
 		case CMD_MIFAREU_WRITEBL:
-			MifareUWriteBlock_Special(c->arg[0], c->arg[1], c->d.asBytes);
+			MifareUWriteBlock(c->arg[0], c->arg[1], c->d.asBytes);
 			break;
 		case CMD_MIFARE_NESTED:
 			MifareNested(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
diff --git a/armsrc/apps.h b/armsrc/apps.h
index f79d1d600..9068202fe 100644
--- a/armsrc/apps.h
+++ b/armsrc/apps.h
@@ -179,8 +179,8 @@ void MifareUC_Auth(uint8_t arg0, uint8_t *datain);
 void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain);
 void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain);
 void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain);
-void MifareUWriteBlock(uint8_t arg0,uint8_t *datain);
-void MifareUWriteBlock_Special(uint8_t arg0, uint8_t arg1, uint8_t *datain);
+//void MifareUWriteBlockCompat(uint8_t arg0,uint8_t *datain);
+void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain);
 void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain);
 void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain);
 void Mifare1ksim(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain);
diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index ff9fb16a7..17100131b 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -300,7 +300,7 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
 	}
 
 	for (int i = 0; i < blocks; i++){
-		if ((i*4) + 4 > CARD_MEMORY_SIZE) {
+		if ((i*4) + 4 >= CARD_MEMORY_SIZE) {
 			Dbprintf("Data exceeds buffer!!");
 			break;
 		}
@@ -332,10 +332,10 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
 	if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);
 
 	countblocks *= 4;
+
 	cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 	LEDsoff();
-	
 	BigBuf_free();
 }
 
@@ -411,7 +411,8 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 	LEDsoff();
 }
 
-void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
+/* // Command not needed but left for future testing 
+void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)
 {
 	uint8_t blockNo = arg0;
 	byte_t blockdata[16] = {0x00};
@@ -431,7 +432,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
 		return;
 	};
 
-	if(mifare_ultra_writeblock(blockNo, blockdata)) {
+	if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {
 		if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
 		OnError(0);
 		return;	};
@@ -448,6 +449,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 	LEDsoff();
 }
+*/
 
 // Arg0   : Block to write to.
 // Arg1   : 0 = use no authentication.
@@ -455,7 +457,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
 //          2 = use 0x1B authentication.
 // datain : 4 first bytes is data to be written.
 //        : 4/16 next bytes is authentication key.
-void MifareUWriteBlock_Special(uint8_t arg0, uint8_t arg1, uint8_t *datain)
+void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 {
 	uint8_t blockNo = arg0;
 	bool useKey = (arg1 == 1); //UL_C
@@ -497,7 +499,7 @@ void MifareUWriteBlock_Special(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 		}
 	}
 	
-	if(mifare_ultra_special_writeblock(blockNo, blockdata)) {
+	if(mifare_ultra_writeblock(blockNo, blockdata)) {
 		if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
 		OnError(0);
 		return;
@@ -537,7 +539,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
 	blockdata[1] = pwd[6];
 	blockdata[2] = pwd[5];
 	blockdata[3] = pwd[4];
-	if(mifare_ultra_special_writeblock( 44, blockdata)) {
+	if(mifare_ultra_writeblock( 44, blockdata)) {
 		if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
 		OnError(44);
 		return;
@@ -547,7 +549,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
 	blockdata[1] = pwd[2];
 	blockdata[2] = pwd[1];
 	blockdata[3] = pwd[0];
-	if(mifare_ultra_special_writeblock( 45, blockdata)) {
+	if(mifare_ultra_writeblock( 45, blockdata)) {
 		if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
 		OnError(45);
 		return;
@@ -557,7 +559,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
 	blockdata[1] = pwd[14];
 	blockdata[2] = pwd[13];
 	blockdata[3] = pwd[12];
-	if(mifare_ultra_special_writeblock( 46, blockdata)) {
+	if(mifare_ultra_writeblock( 46, blockdata)) {
 		if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
 		OnError(46);
 		return;
@@ -567,7 +569,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
 	blockdata[1] = pwd[10];
 	blockdata[2] = pwd[9];
 	blockdata[3] = pwd[8];
-	if(mifare_ultra_special_writeblock( 47, blockdata)) {
+	if(mifare_ultra_writeblock( 47, blockdata)) {
 		if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
 		OnError(47);
 		return;
diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index 7c208b84e..1b71f05de 100644
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -65,31 +65,30 @@ uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {
 	return bt;
 }
 
-// send commands
+// send 2 byte commands
 int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)
 {
 	return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, answer_parity, timing);
 }
 
-int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)
+// send X byte basic commands
+int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)
 {
-	uint8_t dcmd[8];
+	uint8_t dcmd[data_size+3];
     dcmd[0] = cmd;
-    dcmd[1] = data[0];
-	dcmd[2] = data[1];
-	dcmd[3] = data[2];
-	dcmd[4] = data[3];
-	dcmd[5] = data[4];
-	AppendCrc14443a(dcmd, 6);
-	ReaderTransmit(dcmd, sizeof(dcmd), NULL);
+	memcpy(dcmd+1,data,data_size);
+	AppendCrc14443a(dcmd, data_size+1);
+	ReaderTransmit(dcmd, sizeof(dcmd), timing);
 	int len = ReaderReceive(answer, answer_parity);
 	if(!len) {
-                if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Card timeout.");
-                return 2;
+		if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("%02X Cmd failed. Card timeout.", cmd);
+			len = ReaderReceive(answer,answer_parity);
+		//return 0;
     }
 	return len;
 }
 
+/*
 int mifare_sendcmd_short_mfucauth(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)
 {
     uint8_t dcmd[19];
@@ -131,7 +130,9 @@ int mifare_sendcmd_short_mfuev1auth(struct Crypto1State *pcs, uint8_t crypted, u
         }
 	return len;
 }
+*/
 
+// send 2 byte commands
 int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)
 {
 	uint8_t dcmd[4], ecmd[4];
@@ -318,8 +319,11 @@ int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){
 	uint8_t key[4] = {0x00};
 	memcpy(key, keybytes, 4);
 
-	Dbprintf("EV1 Auth : %02x%02x%02x%02x",	key[0], key[1], key[2], key[3]);
-	len = mifare_sendcmd_short_mfuev1auth(NULL, 0, 0x1B, key, resp, respPar, NULL);
+	if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
+		Dbprintf("EV1 Auth : %02x%02x%02x%02x",	key[0], key[1], key[2], key[3]);
+	
+	len = mifare_sendcmd(0x1B, key, sizeof(key), resp, respPar, NULL);
+	//len = mifare_sendcmd_short_mfuev1auth(NULL, 0, 0x1B, key, resp, respPar, NULL);
 	if (len != 4) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", resp[0], len);
 		return 0;
@@ -380,8 +384,8 @@ int mifare_ultra_auth(uint8_t *keybytes){
 
 	// encrypt    out, in, length, key, iv
 	tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);
-
-	len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL);
+	//len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL);
+	len = mifare_sendcmd(0xAF, rnd_ab, sizeof(rnd_ab), resp, respPar, NULL);
 	if (len != 11) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);
 		return 0;
@@ -425,6 +429,7 @@ int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)
 	uint8_t receivedAnswer[MAX_FRAME_SIZE];
 	uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
 	
+
 	len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);
 	if (len == 1) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
@@ -493,7 +498,8 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
 	return 0;
 }
 
-int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) 
+/* // command not needed, but left for future testing
+int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) 
 {
 	uint16_t len;
     uint8_t par[3] = {0};  // enough for 18 parity bits
@@ -501,7 +507,6 @@ int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)
 	uint8_t receivedAnswer[MAX_FRAME_SIZE];
 	uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
 
-    // command MIFARE_CLASSIC_WRITEBLOCK
     len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);
 
     if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK
@@ -524,20 +529,21 @@ int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)
 	}
     return 0;
 }
+*/
 
-int mifare_ultra_special_writeblock(uint8_t blockNo, uint8_t *blockData)
+int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)
 {
     uint16_t len;
-	uint8_t d_block[8] = {0x00};
+	uint8_t d_block[5] = {0x00};
 	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
 	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
 
     // command MIFARE_CLASSIC_WRITEBLOCK
 	d_block[0]= blockNo;
 	memcpy(d_block+1,blockData,4);
-	AppendCrc14443a(d_block, 6);
+	//AppendCrc14443a(d_block, 6);
 
-    len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL);
+	len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);
 
     if (receivedAnswer[0] != 0x0A) {   //  0x0a - ACK
 		if (MF_DBGLEVEL >= MF_DBG_ERROR)
diff --git a/armsrc/mifareutil.h b/armsrc/mifareutil.h
index 9575b9fc6..f9ffc7dd5 100644
--- a/armsrc/mifareutil.h
+++ b/armsrc/mifareutil.h
@@ -54,22 +54,24 @@ extern int MF_DBGLEVEL;
 
 //functions
 int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing);
-int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing);
-
-int mifare_sendcmd_short_mfucauth(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing);
-int mifare_sendcmd_short_mfuev1auth(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing);
+int mifare_sendcmd(uint8_t cmd, uint8_t *data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing);
+
//int mifare_sendcmd_short_mfucauth(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing);
+//int mifare_sendcmd_short_mfuev1auth(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing);
 int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing);
 
+// mifare classic
 int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested);
 int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t * ntptr, uint32_t *timing);
 int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData);
+int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid); 
+int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData);
+
+// Ultralight/NTAG...
 int mifare_ul_ev1_auth(uint8_t *key, uint8_t *pack);
 int mifare_ultra_auth(uint8_t *key);
 int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData);
-int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData);
+//int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData);
 int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData);
-int mifare_ultra_special_writeblock(uint8_t blockNo, uint8_t *blockData);
-int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid); 
 int mifare_ultra_halt();
 
 // desfire
diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index d84fe49ae..e52b910a2 100644
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -1952,6 +1952,7 @@ int CmdHF14AMfSniff(const char *Cmd){
 						}						
 						if (wantDecrypt) 
 							mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
+
 					} else {
 						PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));
 						if (wantLogToFile) 
diff --git a/client/cmdhfmfu.c b/client/cmdhfmfu.c
index 5153e8ec1..0eb19b4ad 100644
--- a/client/cmdhfmfu.c
+++ b/client/cmdhfmfu.c
@@ -13,7 +13,7 @@
 #include "cmdhf14a.h"
 #include "mifare.h"
 #include "util.h"
-#include "../common/protocols.h"
+#include "protocols.h"
 #include "data.h"
 
 #define MAX_UL_BLOCKS     0x0f
@@ -102,17 +102,20 @@ char *getUlev1CardSizeStr( uint8_t fsize ){
 
 static void ul_switch_on_field(void) {
 	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
+	clearCommandBuffer();
 	SendCommand(&c);
 }
 
 void ul_switch_off_field(void) {
 	UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
+	clearCommandBuffer();
 	SendCommand(&c);
 }
 
 static int ul_send_cmd_raw( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength ) {
 	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_APPEND_CRC, cmdlen, 0}};
 	memcpy(c.d.asBytes, cmd, cmdlen);
+	clearCommandBuffer();
 	SendCommand(&c);
 	UsbCommand resp;
 	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
@@ -129,6 +132,7 @@ static int ul_send_cmd_raw_crc( uint8_t *cmd, uint8_t cmdlen, uint8_t *response,
 		c.arg[0] |= ISO14A_APPEND_CRC;
 
 	memcpy(c.d.asBytes, cmd, cmdlen);	
+	clearCommandBuffer();
 	SendCommand(&c);
 	UsbCommand resp;
 	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
@@ -193,6 +197,7 @@ static int ulc_authentication( uint8_t *key, bool switch_off_field ){
 
 	UsbCommand c = {CMD_MIFAREUC_AUTH, {switch_off_field}};
 	memcpy(c.d.asBytes, key, 16);
+	clearCommandBuffer();
 	SendCommand(&c);
 	UsbCommand resp;
 	if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return 0;
@@ -209,7 +214,6 @@ static int ulev1_requestAuthentication( uint8_t *pwd, uint8_t *pack, uint16_t pa
 }
 
 static int ul_auth_select( iso14a_card_select_t *card, TagTypeUL_t tagtype, bool hasAuthKey, uint8_t *authenticationkey, uint8_t *pack, uint8_t packSize){
-
 	if ( hasAuthKey && (tagtype & UL_C)) {
 		//will select card automatically and close connection on error
 		if (!ulc_authentication(authenticationkey, false)) {
@@ -646,8 +650,6 @@ int CmdHF14AMfUInfo(const char *Cmd){
 	int len = 0;
 	char tempStr[50];
 
-	clearCommandBuffer();
-	
 	while(param_getchar(Cmd, cmdp) != 0x00)
 	{
 		switch(param_getchar(Cmd, cmdp))
@@ -859,8 +861,6 @@ int CmdHF14AMfUWrBl(const char *Cmd){
 	uint8_t authenticationkey[16] = {0x00};
 	uint8_t *authKeyPtr = authenticationkey;
 	
-	clearCommandBuffer();
-	
 	// starting with getting tagtype
 	TagTypeUL_t tagtype = GetHF14AMfU_Type();
 	if (tagtype == UL_ERROR) return -1;
@@ -960,6 +960,7 @@ int CmdHF14AMfUWrBl(const char *Cmd){
 		memcpy(c.d.asBytes+4,authKeyPtr,4);
 	}
 	
+	clearCommandBuffer();
 	SendCommand(&c);
 	UsbCommand resp;
 	if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
@@ -987,8 +988,6 @@ int CmdHF14AMfURdBl(const char *Cmd){
 	uint8_t authenticationkey[16] = {0x00};
 	uint8_t *authKeyPtr = authenticationkey;
 
-	clearCommandBuffer();
-	
 	// starting with getting tagtype
 	TagTypeUL_t tagtype = GetHF14AMfU_Type();
 	if (tagtype == UL_ERROR) return -1;
@@ -1054,6 +1053,7 @@ int CmdHF14AMfURdBl(const char *Cmd){
 		//Validations
 		if(errors) return usage_hf_mfu_rdbl();
 	}
+
 	if ( blockNo == -1 ) return usage_hf_mfu_rdbl();
 	
 	// Swap endianness 
@@ -1071,13 +1071,16 @@ int CmdHF14AMfURdBl(const char *Cmd){
 		memcpy(c.d.asBytes,authKeyPtr,4);
 	}
 	
+	clearCommandBuffer();
 	SendCommand(&c);
 	UsbCommand resp;
 	if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 		uint8_t isOK = resp.arg[0] & 0xff;
 		if (isOK) {
 			uint8_t *data = resp.d.asBytes;
-			PrintAndLog("Block: %0d (0x%02X) [ %s]", blockNo, blockNo, sprint_hex(data, 4));
+			PrintAndLog("\nBlock#  | Data        | Ascii");
+			PrintAndLog("-----------------------------");
+			PrintAndLog("%02d/0x%02X | %s| %.4s\n", blockNo, blockNo, sprint_hex(data, 4), data);
 		}
 		else {
 			PrintAndLog("Failed reading block: (%02x)", isOK);
@@ -1185,8 +1188,6 @@ int CmdHF14AMfUDump(const char *Cmd){
 	uint8_t startPage = 0;
 	char tempStr[50];
 
-	clearCommandBuffer();
-	
 	while(param_getchar(Cmd, cmdp) != 0x00)
 	{
 		switch(param_getchar(Cmd, cmdp))
@@ -1264,6 +1265,8 @@ int CmdHF14AMfUDump(const char *Cmd){
 
 		memcpy(c.d.asBytes, authKeyPtr, dataLen);
 	}
+
+	clearCommandBuffer();
 	SendCommand(&c);
 	UsbCommand resp;
 	if (!WaitForResponseTimeout(CMD_ACK, &resp,1500)) {
@@ -1322,11 +1325,11 @@ int CmdHF14AMfUDump(const char *Cmd){
 		}
 	}
 
-	PrintAndLog("Block#  | Data        |lck| Ascii");
+	PrintAndLog("\nBlock#  | Data        |lck| Ascii");
 	PrintAndLog("---------------------------------");
 	for (i = 0; i < Pages; ++i) {
 		if ( i < 3 ) {
-			PrintAndLog("%02d/0x%02X | %s | |", i, i,sprint_hex(data + i * 4, 4));
+			PrintAndLog("%02d/0x%02X | %s|   | ", i+startPage, i+startPage, sprint_hex(data + i * 4, 4));
 			continue;
 		}
 		switch(i){
@@ -1373,7 +1376,7 @@ int CmdHF14AMfUDump(const char *Cmd){
 			case 43: tmplockbit = bit2[9]; break;  //auth1
 			default: break;
 		}
-		PrintAndLog("%02d/0x%02X | %s |%d| %.4s",i , i, sprint_hex(data + i * 4, 4), tmplockbit, data+i*4);
+		PrintAndLog("%02d/0x%02X | %s| %d | %.4s", i+startPage, i+startPage, sprint_hex(data + i * 4, 4), tmplockbit, data+i*4);
 	}
 	PrintAndLog("---------------------------------");
 
@@ -1411,8 +1414,6 @@ int CmdHF14AMfucAuth(const char *Cmd){
 
 	char cmdp = param_getchar(Cmd, 0);
 
-	clearCommandBuffer();
-
 	//Change key to user defined one
 	if (cmdp == 'k' || cmdp == 'K'){
 		keyNo = param_get8(Cmd, 1);
@@ -1552,8 +1553,6 @@ int CmdHF14AMfucSetPwd(const char *Cmd){
 	
 	char cmdp = param_getchar(Cmd, 0);
 
-	clearCommandBuffer();
-	
 	if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') {	
 		PrintAndLog("Usage:  hf mfu setpwd <password (32 hex symbols)>");
 		PrintAndLog("       [password] - (32 hex symbols)");
@@ -1570,6 +1569,7 @@ int CmdHF14AMfucSetPwd(const char *Cmd){
 	
 	UsbCommand c = {CMD_MIFAREUC_SETPWD};	
 	memcpy( c.d.asBytes, pwd, 16);
+	clearCommandBuffer();
 	SendCommand(&c);
 
 	UsbCommand resp;
@@ -1600,8 +1600,6 @@ int CmdHF14AMfucSetUid(const char *Cmd){
 	uint8_t uid[7] = {0x00};
 	char cmdp = param_getchar(Cmd, 0);
 	
-	clearCommandBuffer();
-	
 	if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') {	
 		PrintAndLog("Usage:  hf mfu setuid <uid (14 hex symbols)>");
 		PrintAndLog("       [uid] - (14 hex symbols)");
@@ -1620,6 +1618,7 @@ int CmdHF14AMfucSetUid(const char *Cmd){
 	// read block2. 
 	c.cmd = CMD_MIFAREU_READBL;
 	c.arg[0] = 2;
+	clearCommandBuffer();
 	SendCommand(&c);
 	if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 		PrintAndLog("Command execute timeout");
@@ -1637,6 +1636,7 @@ int CmdHF14AMfucSetUid(const char *Cmd){
 	c.d.asBytes[1] = uid[1];
 	c.d.asBytes[2] = uid[2];
 	c.d.asBytes[3] =  0x88 ^ uid[0] ^ uid[1] ^ uid[2];
+	clearCommandBuffer();
 	SendCommand(&c);
 	if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 		PrintAndLog("Command execute timeout");
@@ -1649,6 +1649,7 @@ int CmdHF14AMfucSetUid(const char *Cmd){
 	c.d.asBytes[1] = uid[4];
 	c.d.asBytes[2] = uid[5];
 	c.d.asBytes[3] = uid[6];
+	clearCommandBuffer();
 	SendCommand(&c);
 	if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
 		PrintAndLog("Command execute timeout");
@@ -1661,6 +1662,7 @@ int CmdHF14AMfucSetUid(const char *Cmd){
 	c.d.asBytes[1] = oldblock2[1];
 	c.d.asBytes[2] = oldblock2[2];
 	c.d.asBytes[3] = oldblock2[3];
+	clearCommandBuffer();
 	SendCommand(&c);
 	if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
 		PrintAndLog("Command execute timeout");