diff --git a/tangem-devkit/build.gradle b/tangem-devkit/build.gradle
index 266e0bf816..fd35b8f7ed 100644
--- a/tangem-devkit/build.gradle
+++ b/tangem-devkit/build.gradle
@@ -9,8 +9,8 @@ android {
         applicationId "com.tangem.devkit"
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 3
-        versionName "1.1"
+        versionCode 4
+        versionName "1.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/tangem-sdk/src/main/java/com/tangem/tangem_sdk_new/nfc/NfcReader.kt b/tangem-sdk/src/main/java/com/tangem/tangem_sdk_new/nfc/NfcReader.kt
index aa5ce9972e..3643d3b945 100644
--- a/tangem-sdk/src/main/java/com/tangem/tangem_sdk_new/nfc/NfcReader.kt
+++ b/tangem-sdk/src/main/java/com/tangem/tangem_sdk_new/nfc/NfcReader.kt
@@ -10,6 +10,7 @@ import com.tangem.TangemSdkError
 import com.tangem.common.CompletionResult
 import com.tangem.common.apdu.CommandApdu
 import com.tangem.common.apdu.ResponseApdu
+import com.tangem.common.extensions.toHexString
 
 /**
  * Provides NFC communication between an Android application and Tangem card.
@@ -76,7 +77,9 @@ class NfcReader : CardReader {
         val rawResponse: ByteArray?
         try {
             Log.i(this::class.simpleName!!, "Sending data to the card, size is ${data?.size}")
+            Log.v(this::class.simpleName!!, "Raw data that is to be send to the card: ${data?.toHexString()}")
             rawResponse = isoDep?.transceive(data)
+            Log.v(this::class.simpleName!!, "Raw data that was received from the card: ${rawResponse?.toHexString()}")
         } catch (exception: TagLostException) {
             callback?.invoke(CompletionResult.Failure(TangemSdkError.TagLost()))
             isoDep = null