diff --git a/t_1.c b/t_1.c
index 4a6edf4..d360e9b 100644
--- a/t_1.c
+++ b/t_1.c
@@ -38,6 +38,7 @@ void seader_t_1_reset() {
 }
 
 void seader_t_1_set_IFSD(Seader* seader) {
+    FURI_LOG_D(TAG, "Setting IFSD to %02X", IFSD_VALUE);
     SeaderWorker* seader_worker = seader->worker;
     SeaderUartBridge* seader_uart = seader_worker->uart;
     uint8_t frame[5];
@@ -68,7 +69,11 @@ void seader_t_1_IFSD_response(Seader* seader) {
 
     frame_len = seader_add_lrc(frame, frame_len);
 
-    seader_ccid_XfrBlock(seader_uart, frame, frame_len);
+    if(seader_worker->sam_comm_type == SeaderSamCommunicationTypeSec1210) {
+        seader_ccid_XfrBlock(seader_uart, frame, frame_len);
+    } else {
+        seader_uart_send(seader_uart, frame, frame_len);
+    }
 }
 
 void seader_t_1_send_ack(Seader* seader) {
@@ -86,7 +91,11 @@ void seader_t_1_send_ack(Seader* seader) {
 
     //FURI_LOG_D(TAG, "Sending R-Block ACK: PCB: %02x", frame[1]);
 
-    seader_ccid_XfrBlock(seader_uart, frame, frame_len);
+    if(seader_worker->sam_comm_type == SeaderSamCommunicationTypeSec1210) {
+        seader_ccid_XfrBlock(seader_uart, frame, frame_len);
+    } else {
+        seader_uart_send(seader_uart, frame, frame_len);
+    }
 }
 
 BitBuffer* seader_t_1_tx_buffer;
@@ -112,7 +121,11 @@ void seader_send_t1_chunk(Seader* seader, uint8_t PCB, uint8_t* chunk, size_t le
     frame_len = seader_add_lrc(frame, frame_len);
 
     FURI_LOG_D(TAG, "seader_send_t1_chunk T=1 frame: PCB: %02x, LEN: %02x", PCB, len);
-    seader_ccid_XfrBlock(seader_uart, frame, frame_len);
+    if(seader_worker->sam_comm_type == SeaderSamCommunicationTypeSec1210) {
+        seader_ccid_XfrBlock(seader_uart, frame, frame_len);
+    } else {
+        seader_uart_send(seader_uart, frame, frame_len);
+    }
     free(frame);
 }
 
diff --git a/uart.c b/uart.c
index df28d43..52e70f4 100644
--- a/uart.c
+++ b/uart.c
@@ -137,11 +137,7 @@ size_t seader_uart_process_buffer_raw(Seader* seader, uint8_t* cmd, size_t cmd_l
             if(seader_worker->callback) {
                 seader_worker->callback(SeaderWorkerEventSamPresent, seader_worker->context);
             }
-            memset(cmd, 0, sizeof(SAM_ATR));
-            cmd_len -= sizeof(SAM_ATR);
-            if(cmd_len > 0) {
-                memmove(cmd, cmd + sizeof(SAM_ATR), cmd_len);
-            }
+            return 0;
         }
 
         cmd++;
@@ -241,6 +237,12 @@ SeaderUartBridge* seader_uart_enable(SeaderUartConfig* cfg, Seader* seader) {
     return seader_uart;
 }
 
+void seader_uart_send(SeaderUartBridge* seader_uart, uint8_t* data, size_t len) {
+    memcpy(seader_uart->tx_buf, data, len);
+    seader_uart->tx_len = len;
+    furi_thread_flags_set(furi_thread_get_id(seader_uart->tx_thread), WorkerEvtSamRx);
+}
+
 int32_t seader_uart_tx_thread(void* context) {
     Seader* seader = (Seader*)context;
     SeaderUartBridge* seader_uart = seader->uart;
diff --git a/uart.h b/uart.h
index 0c345d0..853d1b5 100644
--- a/uart.h
+++ b/uart.h
@@ -18,3 +18,4 @@ void seader_uart_sam_reset(SeaderUartBridge* seader_uart);
 
 SeaderUartBridge* seader_uart_alloc(Seader* seader);
 void seader_uart_free(SeaderUartBridge* seader_uart);
+void seader_uart_send(SeaderUartBridge* seader_uart, uint8_t* data, size_t len);