diff --git a/action_create.go b/action_create.go
index 00e9898..d99bac7 100644
--- a/action_create.go
+++ b/action_create.go
@@ -37,10 +37,7 @@ func (s Service) Create(payload CreateOptions) error {
 	}
 
 	// New device data from payload
-	deviceData, err := payload.newDevice()
-	if err != nil {
-		return err
-	}
+	deviceData := payload.newDevice()
 
 	// Find deviceID existed or not
 	if s.isDeviceIDExisted(ctx, deviceData.DeviceID) {
@@ -60,13 +57,17 @@ func (s Service) Create(payload CreateOptions) error {
 	return nil
 }
 
-func (payload CreateOptions) newDevice() (result Device, err error) {
+func (payload CreateOptions) newDevice() Device {
 	timeNow := now()
-	device := Device{
+
+	// Get userAgent data
+	osName, osVersion, isMobile := getUserAgentData(payload.UserAgent)
+
+	return Device{
 		ID:              mongodb.NewObjectID(),
 		DeviceID:        payload.DeviceID,
-		OSName:          getOSName(payload.UserAgent),
-		OSVersion:       getOSVersion(payload.UserAgent),
+		OSName:          osName,
+		OSVersion:       osVersion,
 		IP:              payload.IP,
 		Language:        getLanguage(payload.Language),
 		AuthToken:       payload.AuthToken,
@@ -76,14 +77,7 @@ func (payload CreateOptions) newDevice() (result Device, err error) {
 		Model:           payload.Model,
 		Manufacturer:    payload.Manufacturer,
 		UserID:          payload.UserID,
+		IsMobile:        isMobile,
+		AppVersion:      payload.AppVersion,
 	}
-
-	// App version
-	if payload.AppVersion != "" {
-		device.AppVersion = payload.AppVersion
-		device.IsMobile = true
-	}
-
-	result = device
-	return
 }
diff --git a/action_update.go b/action_update.go
new file mode 100644
index 0000000..b92321c
--- /dev/null
+++ b/action_update.go
@@ -0,0 +1,70 @@
+package devicemngmt
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Selly-Modules/logger"
+	"go.mongodb.org/mongo-driver/bson"
+)
+
+// UpdateOptions ...
+type UpdateOptions struct {
+	UserAgent    string
+	AppVersion   string
+	IP           string
+	FCMToken     string
+	AuthToken    string
+	Language     string
+	Model        string
+	Manufacturer string
+}
+
+// UpdateByDeviceID ...
+func (s Service) UpdateByDeviceID(deviceID string, payload UpdateOptions) error {
+	var (
+		ctx  = context.Background()
+		col  = s.getDeviceCollection()
+		cond = bson.M{
+			"deviceID": deviceID,
+		}
+	)
+
+	// Validate payload
+	err := payload.validate()
+	if err != nil {
+		return err
+	}
+
+	// Get userAgent data
+	osName, osVersion, isMobile := getUserAgentData(payload.UserAgent)
+
+	// Setup update data
+	updateData := bson.M{
+		"$set": bson.M{
+			"osName":          osName,
+			"osVersion":       osVersion,
+			"ip":              payload.IP,
+			"language":        getLanguage(payload.Language),
+			"authToken":       payload.AuthToken,
+			"fcmToken":        payload.FCMToken,
+			"model":           payload.Model,
+			"manufacturer":    payload.Manufacturer,
+			"appVersion":      payload.AppVersion,
+			"isMobile":        isMobile,
+			"lastActivatedAt": now(),
+		},
+	}
+
+	// Update
+	_, err = col.UpdateOne(ctx, cond, updateData)
+	if err != nil {
+		logger.Error("devicemngt - updateByDeviceID", logger.LogData{
+			"deviceID": deviceID,
+			"err":      err.Error(),
+		})
+		return fmt.Errorf("error when update device: %s", err.Error())
+	}
+
+	return nil
+}
diff --git a/helper.go b/helper.go
index 120e9d5..2e5d736 100644
--- a/helper.go
+++ b/helper.go
@@ -31,14 +31,9 @@ func (s Service) isDeviceIDExisted(ctx context.Context, deviceID string) bool {
 	return !device.ID.IsZero()
 }
 
-func getOSName(userAgent string) string {
+func getUserAgentData(userAgent string) (string, string, bool) {
 	uaData := ua.New(userAgent)
-	return uaData.OSInfo().Name
-}
-
-func getOSVersion(userAgent string) string {
-	uaData := ua.New(userAgent)
-	return uaData.OSInfo().Version
+	return uaData.OSInfo().Name, uaData.OSInfo().Version, uaData.Mobile()
 }
 
 func getLanguage(lang string) string {
diff --git a/validate.go b/validate.go
index 476badd..7dbb1c2 100644
--- a/validate.go
+++ b/validate.go
@@ -49,3 +49,31 @@ func (co CreateOptions) validate() error {
 
 	return nil
 }
+
+func (uo UpdateOptions) validate() error {
+	// UserAgent
+	if uo.UserAgent == "" {
+		logger.Error("devicemngt - Update: no userAgent data", logger.LogData{
+			"payload": uo,
+		})
+		return errors.New("no userAgent data")
+	}
+
+	// IP
+	if uo.IP == "" {
+		logger.Error("devicemngt - Update: no ip data", logger.LogData{
+			"payload": uo,
+		})
+		return errors.New("no ip data")
+	}
+
+	// AuthToken
+	if uo.AuthToken == "" {
+		logger.Error("devicemngt - Update: no authToken data", logger.LogData{
+			"payload": uo,
+		})
+		return errors.New("no authToken data")
+	}
+
+	return nil
+}