diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index ed23e75ea2..1cb8406bf4 100644
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -2550,7 +2550,7 @@ void Cotag(uint32_t arg0) {
             doCotagAcquisitionManchester();
             break;
         case 2:
-            DoAcquisition_config(true, true);
+            DoAcquisition_config(false, 0);
             break;
     }
 
diff --git a/armsrc/lfsampling.c b/armsrc/lfsampling.c
index 8b0c14d948..2905429594 100644
--- a/armsrc/lfsampling.c
+++ b/armsrc/lfsampling.c
@@ -114,13 +114,15 @@ void initSampleBuffer(uint32_t *sample_size) {
 
         data.buffer = BigBuf_get_addr();
 
-        memset(data.buffer, 0, *sample_size);
+// We can't erase the buffer now, it would drastically delay the acquisition
+//        memset(data.buffer, 0, *sample_size);
     } else {
         *sample_size = MIN(*sample_size, BigBuf_max_traceLen());
 
         data.buffer = BigBuf_malloc(*sample_size);
 
-        memset(data.buffer, 0, *sample_size);
+// We can't erase the buffer now, it would drastically delay the acquisition
+//        memset(data.buffer, 0, *sample_size);
     }
 
     //
diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index cfd8f4b35d..e115e965f8 100644
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -194,7 +194,8 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
     uint32_t save_timeout = iso14a_get_timeout();
 
     // set timeout for authentication response
-    iso14a_set_timeout(106);
+    if (save_timeout > 106)
+        iso14a_set_timeout(106);
 
     // Receive 4 byte tag answer
     len = ReaderReceive(receivedAnswer, receivedAnswerPar);
diff --git a/client/cmddata.c b/client/cmddata.c
index ddd87fdb88..613ce11e50 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -1599,7 +1599,7 @@ int getSamples(uint32_t n, bool verbose) {
     if (n == 0 || n > sizeof(got))
         n = sizeof(got);
 
-    if (verbose) PrintAndLogEx(NORMAL, "Reading %d bytes from device memory\n", n);
+    if (verbose) PrintAndLogEx(INFO, "Reading " _YELLOW_("%u") "bytes from device memory", n);
 
     PacketResponseNG response;
     if (!GetFromDevice(BIG_BUF, got, n, 0, NULL, 0, &response, 10000, true)) {
@@ -1607,20 +1607,20 @@ int getSamples(uint32_t n, bool verbose) {
         return PM3_ETIMEOUT;
     }
 
-    if (verbose) PrintAndLogEx(NORMAL, "Data fetched");
+    if (verbose) PrintAndLogEx(SUCCESS, "Data fetched");
 
     uint8_t bits_per_sample = 8;
 
     //Old devices without this feature would send 0 at arg[0]
     if (response.oldarg[0] > 0) {
         sample_config *sc = (sample_config *) response.data.asBytes;
-        if (verbose) PrintAndLogEx(NORMAL, "Samples @ %d bits/smpl, decimation 1:%d ", sc->bits_per_sample, sc->decimation);
+        if (verbose) PrintAndLogEx(INFO, "Samples @ " _YELLOW_("%d") "bits/smpl, decimation 1:%d ", sc->bits_per_sample, sc->decimation);
         bits_per_sample = sc->bits_per_sample;
     }
 
     if (bits_per_sample < 8) {
 
-        if (verbose) PrintAndLogEx(NORMAL, "Unpacking...");
+        if (verbose) PrintAndLogEx(INFO, "Unpacking...");
 
         BitstreamOut bout = { got, bits_per_sample * n,  0};
         int j = 0;
@@ -1630,7 +1630,7 @@ int getSamples(uint32_t n, bool verbose) {
         }
         GraphTraceLen = j;
 
-        if (verbose) PrintAndLogEx(NORMAL, "Unpacked %d samples", j);
+        if (verbose) PrintAndLogEx(INFO, "Unpacked %d samples", j);
 
     } else {
         for (int j = 0; j < n; j++) {