diff --git a/backend/icloud/api/client.go b/backend/icloud/api/client.go
index 7e6056e1e61e0..4da598a8633b3 100644
--- a/backend/icloud/api/client.go
+++ b/backend/icloud/api/client.go
@@ -43,7 +43,7 @@ type Client struct {
 // - trustToken: the trust token for the session.
 // - cookies: the cookies for the session.
 // - sessionSaveCallback: the callback function to save the session.
-func New(appleID, password, trustToken string, cookies []*http.Cookie, sessionSaveCallback sessionSave) (*Client, error) {
+func New(appleID, password, trustToken string, clientID string, cookies []*http.Cookie, sessionSaveCallback sessionSave) (*Client, error) {
 	icloud := &Client{
 		appleID:             appleID,
 		password:            password,
@@ -54,6 +54,7 @@ func New(appleID, password, trustToken string, cookies []*http.Cookie, sessionSa
 
 	icloud.Session.TrustToken = trustToken
 	icloud.Session.Cookies = cookies
+  icloud.Session.ClientID = clientID
 	return icloud, nil
 }
 
diff --git a/backend/icloud/api/session.go b/backend/icloud/api/session.go
index 53d60d940fb4c..1d67868fce7bb 100644
--- a/backend/icloud/api/session.go
+++ b/backend/icloud/api/session.go
@@ -9,7 +9,6 @@ import (
 	"slices"
 	"strings"
 
-	"github.com/google/uuid"
 	"github.com/oracle/oci-go-sdk/v65/common"
 
 	"github.com/rclone/rclone/fs/fshttp"
@@ -201,14 +200,14 @@ func (s *Session) GetAuthHeaders(overwrite map[string]string) map[string]string
 	headers := map[string]string{
 		"Accept":                           "application/json",
 		"Content-Type":                     "application/json",
-		"X-Apple-OAuth-Client-Id":          "d39ba9916b7251055b22c7f910e2ea796ee65e98b2ddecea8f5dde8d9d1a815d",
+		"X-Apple-OAuth-Client-Id":          s.ClientID,
 		"X-Apple-OAuth-Client-Type":        "firstPartyAuth",
 		"X-Apple-OAuth-Redirect-URI":       "https://www.icloud.com",
 		"X-Apple-OAuth-Require-Grant-Code": "true",
 		"X-Apple-OAuth-Response-Mode":      "web_message",
 		"X-Apple-OAuth-Response-Type":      "code",
 		"X-Apple-OAuth-State":              s.ClientID,
-		"X-Apple-Widget-Key":               "d39ba9916b7251055b22c7f910e2ea796ee65e98b2ddecea8f5dde8d9d1a815d",
+		"X-Apple-Widget-Key":               s.ClientID,
 		"Origin":                           homeEndpoint,
 		"Referer":                          fmt.Sprintf("%s/", homeEndpoint),
 		"User-Agent":                       "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:103.0) Gecko/20100101 Firefox/103.0",
@@ -282,7 +281,7 @@ func GetCookiesForDomain(url *url.URL, cookies []*http.Cookie) ([]*http.Cookie,
 func NewSession() *Session {
 	session := &Session{}
 	session.srv = rest.NewClient(fshttp.NewClient(context.Background())).SetRoot(baseEndpoint)
-	session.ClientID = "auth-" + uuid.New().String()
+	//session.ClientID = "auth-" + uuid.New().String()
 	return session
 }
 
diff --git a/backend/icloud/icloud.go b/backend/icloud/icloud.go
index 6b1b90e872795..aaf22d2516395 100644
--- a/backend/icloud/icloud.go
+++ b/backend/icloud/icloud.go
@@ -41,6 +41,7 @@ const (
 	configAppleID    = "apple_id"
 	configPassword   = "password"
 	configCookies    = "cookies"
+  configClientID   = "client_id"
 	configTrustToken = "trust_token"
 
 	minSleep      = 10 * time.Millisecond
@@ -80,6 +81,12 @@ func init() {
 			Advanced:  false,
 			Sensitive: true,
 			Hide:      fs.OptionHideBoth,
+		}, {
+			Name:      configClientID,
+			Help:      "client id",
+			Required:  false,
+			Advanced:  true,
+      Default:   "d39ba9916b7251055b22c7f910e2ea796ee65e98b2ddecea8f5dde8d9d1a815d",
 		},
 		{
 			Name:     config.ConfigEncoding,
@@ -100,6 +107,7 @@ type Options struct {
 	Photos     bool                 `config:"photos"`
 	TrustToken string               `config:"trust_token"`
 	Cookies    string               `config:"cookies"`
+	ClientID   string               `config:"client_id"`
 	Enc        encoder.MultiEncoder `config:"encoding"`
 }
 
@@ -144,11 +152,12 @@ func Config(ctx context.Context, name string, m configmap.Mapper, config fs.Conf
 
 	trustToken, _ := m.Get(configTrustToken)
 	cookieRaw, _ := m.Get(configCookies)
+  clientID, _ := m.Get(configClientID)
 	cookies := ReadCookies(cookieRaw)
 
 	switch config.State {
 	case "":
-		icloud, _ := api.New(appleid, password, trustToken, cookies, nil)
+		icloud, _ := api.New(appleid, password, trustToken, clientID, cookies, nil)
 		if err := icloud.Authenticate(ctx); err != nil {
 			return nil, err
 		}
@@ -163,7 +172,7 @@ func Config(ctx context.Context, name string, m configmap.Mapper, config fs.Conf
 			return fs.ConfigError("authenticate", "2FA codes can't be blank")
 		}
 
-		icloud, _ := api.New(appleid, password, trustToken, cookies, nil)
+		icloud, _ := api.New(appleid, password, trustToken, clientID, cookies, nil)
 		if err := icloud.SignIn(ctx); err != nil {
 			return nil, err
 		}
@@ -802,6 +811,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		opt.AppleID,
 		opt.Password,
 		opt.TrustToken,
+    opt.ClientID,
 		cookies,
 		callback,
 	)
@@ -1055,8 +1065,6 @@ func (o *Object) String() string {
 }
 
 // Update implements fs.Object.
-// TODO: Implement restoring the old file when an errror occures during upload
-// TODO: Implement removing old file from trash when upload is succesfull
 func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) error {
 	size := src.Size()
 	if size < 0 {