diff --git a/sw/bootloader/Makefile b/sw/bootloader/Makefile
index 7a23090..ac2d520 100644
--- a/sw/bootloader/Makefile
+++ b/sw/bootloader/Makefile
@@ -15,7 +15,7 @@ LISTS=lists
 TESTS=tests
 
 SRCS=$(wildcard *.s) $(wildcard *.c)
-SRCS+=$(filter-out $(wildcard tests/*), $(wildcard **/*.s)) $(filter-out $(wildcard tests/*) $(wildcard filesystem/*) devices/sd_print.c, $(wildcard **/*.c))
+SRCS+=$(filter-out $(wildcard tests/*), $(wildcard **/*.s)) $(filter-out $(wildcard tests/*) $(wildcard filesystem/*), $(wildcard **/*.c))
 OBJS+=$(patsubst %.s,%.o,$(filter %s,$(SRCS)))
 OBJS+=$(patsubst %.c,%.o,$(filter %c,$(SRCS)))
 
diff --git a/sw/bootloader/devices/sd_card.c b/sw/bootloader/devices/sd_card.c
index 1e64d26..22d4f54 100644
--- a/sw/bootloader/devices/sd_card.c
+++ b/sw/bootloader/devices/sd_card.c
@@ -282,8 +282,6 @@ uint8_t SD_readSingleBlock(uint32_t addr, uint8_t *buf, uint8_t *token)
     uint16_t readAttempts;
     uint16_t i;
 
-    /*
-
     // set token to none
     *token = 0xFF;
 
@@ -326,8 +324,6 @@ uint8_t SD_readSingleBlock(uint32_t addr, uint8_t *buf, uint8_t *token)
     spi_deselect(0);
     spi_exchange(0xFF);
 
-    */
-
     return res1;
 }
 
diff --git a/sw/bootloader/devices/sd_print.c b/sw/bootloader/devices/sd_print.c
index 4e8ead5..2dcac25 100644
--- a/sw/bootloader/devices/sd_print.c
+++ b/sw/bootloader/devices/sd_print.c
@@ -3,6 +3,7 @@
 #include "sd_print.h"
 #include "sd_card.h"
 
+/*
 void SD_printR1(uint8_t res)
 {
     if(res == 0xFF)
@@ -26,7 +27,9 @@ void SD_printR1(uint8_t res)
     if(IN_IDLE(res))
         cputs("\tIn Idle State\r\n");
 }
+*/
 
+/*
 void SD_printR2(uint8_t *res)
 {
     SD_printR1(res[0]);
@@ -52,7 +55,9 @@ void SD_printR2(uint8_t *res)
     if(CARD_LOCKED(res[1]))
         cputs("\tCard Locked\r\n");
 }
+*/
 
+/*
 void SD_printR3(uint8_t *res)
 {
     SD_printR1(res[0]);
@@ -84,7 +89,9 @@ void SD_printR3(uint8_t *res)
     if(VDD_3536(res[2])) cputs("3.5-3.6");
     cputs("\r\n");
 }
+*/
 
+/*
 void SD_printR7(uint8_t *res)
 {
     SD_printR1(res[0]);
@@ -112,7 +119,9 @@ void SD_printR7(uint8_t *res)
     cprintf("%x", res[4]);
     cputs("\r\n");
 }
+*/
 
+/*
 void SD_printCSD(uint8_t *buf)
 {
     cputs("CSD:\r\n");
@@ -139,6 +148,7 @@ void SD_printCSD(uint8_t *buf)
     cprintf("%x", buf[9]);
     cputs("\r\n");
 }
+*/
 
 void SD_printBuf(uint8_t *buf)
 {
@@ -146,7 +156,7 @@ void SD_printBuf(uint8_t *buf)
     uint16_t i;
     for(i = 0; i < SD_BLOCK_LEN; i++)
     {
-        cprintf("%x", *buf++);
+        cprintf("%2x", *buf++);
         if(colCount == 19)
         {
             cputs("\r\n");
@@ -161,6 +171,7 @@ void SD_printBuf(uint8_t *buf)
     cputs("\r\n");
 }
 
+/*
 void SD_printDataErrToken(uint8_t token)
 {
     if(token & 0xF0)
@@ -174,3 +185,4 @@ void SD_printDataErrToken(uint8_t token)
     if(SD_TOKEN_ERROR(token))
         cputs("\tError\r\n");
 }
+*/
\ No newline at end of file
diff --git a/sw/bootloader/main.c b/sw/bootloader/main.c
index bd4f1b3..d22de3d 100644
--- a/sw/bootloader/main.c
+++ b/sw/bootloader/main.c
@@ -24,31 +24,31 @@ int main() {
     // initialize sd card
     if(SD_init() != SD_SUCCESS)
     {
-        cputs("Error init SD CARD\r\n");
+        cputs("Error\r\n");
     }
     else
     {
-        cputs("SD Card init\r\n");
+        cputs("Success\r\n");
 
         // read sector 0
-        // cputs("\r\nReading sector: 0x");
+        cputs("\r\nReading sector: 0x");
         // ((uint8_t)(addr >> 24));
         // cprintf("%x", (uint8_t)(addr >> 16));
         // cprintf("%x", (uint8_t)(addr >> 8));
         // cprintf("%x", (uint8_t)addr);
-        // res[0] = SD_readSingleBlock(addr, buf, &token);
-        // cputs("\r\nResponse:\r\n");
-        // //SD_printR1(res[0]);
+        res[0] = SD_readSingleBlock(addr, buf, &token);
+        cputs("\r\nResponse:\r\n");
+        //SD_printR1(res[0]);
 
         // if no error, print buffer
-        // if((res[0] == 0x00) && (token == SD_START_TOKEN))
-        //     SD_printBuf(buf);
-        // else if error token received, print
-        // else if(!(token & 0xF0))
-        // {
-        //     cputs("Ercputsror token:\r\n");
-        //     SD_printDataErrToken(token);
-        // }
+        if((res[0] == 0x00) && (token == SD_START_TOKEN))
+            SD_printBuf(buf);
+        //else if error token received, print
+        else if(!(token & 0xF0))
+        {
+            cputs("Error token:\r\n");
+            //SD_printDataErrToken(token);
+        }
 
         // update address to 0x00000100
         // addr = 0x00000100;