diff --git a/daemon/daemon.pro b/daemon/daemon.pro
index eaa11d2d..9e027ff2 100644
--- a/daemon/daemon.pro
+++ b/daemon/daemon.pro
@@ -106,6 +106,7 @@ SOURCES += \
     src/devices/gtr2device.cpp \
     src/devices/gtr2firmwareinfo.cpp \
     src/devices/gtrdevice.cpp \
+    src/devices/gtrfirmwareinfo.cpp \
     src/devices/gts2device.cpp \
     src/devices/gts2firmwareinfo.cpp \
     src/devices/huamidevice.cpp \
@@ -181,6 +182,7 @@ HEADERS += \
     src/devices/gtr2device.h \
     src/devices/gtr2firmwareinfo.h \
     src/devices/gtrdevice.h \
+    src/devices/gtrfirmwareinfo.h \
     src/devices/gts2device.h \
     src/devices/gts2firmwareinfo.h \
     src/devices/huamidevice.h \
diff --git a/daemon/src/devices/gtrdevice.cpp b/daemon/src/devices/gtrdevice.cpp
index 9c31208a..8cecffdc 100644
--- a/daemon/src/devices/gtrdevice.cpp
+++ b/daemon/src/devices/gtrdevice.cpp
@@ -1,4 +1,5 @@
 #include "gtrdevice.h"
+#include "gtrfirmwareinfo.h"
 #include <QtXml/QtXml>
 #include <QTimer>
 
@@ -18,6 +19,11 @@ bool GtrDevice::is47mm(const QString &version) const
     return version >= "1.0.0.00" && version < "1.6.0.00";
 }
 
+AbstractFirmwareInfo *GtrDevice::firmwareInfo(const QByteArray &bytes)
+{
+    return new GtrFirmwareInfo(bytes);
+}
+
 void GtrDevice::initialise()
 {
     qDebug() << Q_FUNC_INFO;
diff --git a/daemon/src/devices/gtrdevice.h b/daemon/src/devices/gtrdevice.h
index e6b72c3f..0f2b8850 100644
--- a/daemon/src/devices/gtrdevice.h
+++ b/daemon/src/devices/gtrdevice.h
@@ -10,6 +10,8 @@ class GtrDevice : public GtsDevice
     explicit GtrDevice(const QString &pairedName, QObject *parent = nullptr);
     QString deviceType() const override;
 
+    virtual AbstractFirmwareInfo *firmwareInfo(const QByteArray &bytes) override;
+
 protected:
     void initialise() override;
     void parseServices();
diff --git a/daemon/src/devices/gtrfirmwareinfo.cpp b/daemon/src/devices/gtrfirmwareinfo.cpp
new file mode 100644
index 00000000..c7a26d5d
--- /dev/null
+++ b/daemon/src/devices/gtrfirmwareinfo.cpp
@@ -0,0 +1,122 @@
+#include "gtrfirmwareinfo.h"
+#include <QDebug>
+
+GtrFirmwareInfo::GtrFirmwareInfo(const QByteArray &bytes)
+{
+    m_bytes = bytes;
+
+    calculateCRC16();
+    calculateCRC32();
+    determineFirmwareType();
+    determineFirmwareVersion();
+
+    //qDebug() << mBytes;
+    qDebug() << m_type << m_version << m_crc16 << m_crc32;
+}
+
+void GtrFirmwareInfo::determineFirmwareType() {
+    qDebug() << "Determining firmware type";
+    m_type = Invalid;
+
+    if (m_bytes.indexOf(UCHARARR_TO_BYTEARRAY(NEWRES_HEADER)) == COMPRESSED_RES_HEADER_OFFSET_NEW) {
+        m_type = Res_Compressed;
+    }
+    if (m_bytes.startsWith(UCHARARR_TO_BYTEARRAY(GPS_HEADER)) || m_bytes.startsWith(UCHARARR_TO_BYTEARRAY(GPS_HEADER2)) || m_bytes.startsWith(UCHARARR_TO_BYTEARRAY(GPS_HEADER3)) || m_bytes.startsWith(UCHARARR_TO_BYTEARRAY(GPS_HEADER4))) {
+        m_type = GPS;
+    }
+    if (m_bytes.startsWith(UCHARARR_TO_BYTEARRAY(GPS_ALMANAC_HEADER))) {
+        m_type = GPS_ALMANAC;
+    }
+    if (m_bytes.startsWith(UCHARARR_TO_BYTEARRAY(AGPS_UIHH_HEADER))) {
+        m_type = GPS_UIHH;
+    }
+    if (m_bytes.indexOf(UCHARARR_TO_BYTEARRAY(FW_HEADER2)) == FW_OFFSET) {
+        m_version = m_crcMap[m_crc16];
+        qDebug() << "Version:" << m_version << "CRC:" << m_crc16;
+        m_type = Firmware;
+    }
+
+    if (m_bytes.startsWith(UCHARARR_TO_BYTEARRAY(WATCHFACE_HEADER)) || m_bytes.indexOf(UCHARARR_TO_BYTEARRAY(WATCHFACE_HEADER)) == COMPRESSED_RES_HEADER_OFFSET || m_bytes.indexOf(UCHARARR_TO_BYTEARRAY(WATCHFACE_HEADER)) == COMPRESSED_RES_HEADER_OFFSET_NEW) {
+        m_type = Watchface;
+    }
+    if (m_bytes.startsWith(UCHARARR_TO_BYTEARRAY(NEWFT_HEADER))) {
+        if (m_bytes.at(10) == 0x01) {
+            m_type = Font;
+        } else if (m_bytes.at(10) == 0x02) {
+            m_type = Font_Latin;
+        }
+    }
+}
+
+bool GtrFirmwareInfo::supportedOnDevice(const QString &device) const
+{
+    qDebug() << "Checking if device suppoerted: " << device;
+    return device == "Amazfit GTR" && m_type != Invalid && !m_version.contains("unknown");
+}
+
+void GtrFirmwareInfo::determineFirmwareVersion()
+{
+    QString version = m_crcMap[m_crc16];
+
+    if (!version.isEmpty()) {
+        switch (m_type) {
+        case Firmware:
+            version = "FW " + version;
+            break;
+        case Res:
+            version = "RES " + version;
+            break;
+        case Res_Compressed:
+            version = "RES_COMPRESSED " + version;
+            break;
+        case Font:
+            version = "FONT " + version;
+            break;
+        case Font_Latin:
+            version = "FONT LATIN " + version;
+            break;
+        case GPS:
+            version = "GPS " + version;
+            break;
+        default:
+            version = "Invalid";
+        }
+    } else {
+        switch (m_type) {
+        case Firmware:
+            version = "FW (unknown)";
+            break;
+        case Res:
+            version = "RES (unknown)";
+            break;
+        case Res_Compressed:
+            version = "RES_COMPRESSED (unknown)";
+            break;
+        case Font:
+            version = "FONT (unknown)";
+            break;
+        case Font_Latin:
+            version = "FONT LATIN (unknown)";
+            break;
+        case GPS:
+            version = "GPS (unknown)";
+            break;
+        case GPS_CEP:
+            version = "CEP";
+            break;
+        case GPS_UIHH:
+            version = "GPS_UIHH";
+            break;
+        case GPS_ALMANAC:
+            version = "ALM";
+            break;
+        case Watchface:
+            version = "Watchface";
+            break;
+        default:
+            version = "(unknown)";
+        }
+    }
+
+    m_version = version;
+}
diff --git a/daemon/src/devices/gtrfirmwareinfo.h b/daemon/src/devices/gtrfirmwareinfo.h
new file mode 100644
index 00000000..2ec1eb6c
--- /dev/null
+++ b/daemon/src/devices/gtrfirmwareinfo.h
@@ -0,0 +1,21 @@
+#ifndef GTRFIRMWAREINFO_H
+#define GTRFIRMWAREINFO_H
+
+#include "huamifirmwareinfo.h"
+
+class GtrFirmwareInfo : public HuamiFirmwareInfo
+{
+public:
+    explicit GtrFirmwareInfo(const QByteArray &bytes);
+
+    virtual bool supportedOnDevice(const QString &device) const override;
+
+private:
+    void determineFirmwareType();
+    void determineFirmwareVersion();
+
+    QMap<uint16_t, QString> m_crcMap;
+
+};
+
+#endif // GTSFIRMWAREINFO_H