diff --git a/config/upgrade.go b/config/upgrade.go
index 11edb5f..60a7a76 100644
--- a/config/upgrade.go
+++ b/config/upgrade.go
@@ -105,6 +105,7 @@ var SpacedBlocks = [][]string{
 	{"appservice", "as_token"},
 	{"segment_key"},
 	{"metrics"},
+	{"google_messages"},
 	{"bridge"},
 	{"bridge", "command_prefix"},
 	{"bridge", "management_room_text"},
diff --git a/example-config.yaml b/example-config.yaml
index 2092473..3485976 100644
--- a/example-config.yaml
+++ b/example-config.yaml
@@ -90,10 +90,10 @@ metrics:
 
 google_messages:
     # OS name to tell the phone. This is the name that shows up in the paired devices list.
-    os: mautrix-gmessages
+    os: Android (mautrix)
     # Browser type to tell the phone. This decides which icon is shown.
     # Valid types: OTHER, CHROME, FIREFOX, SAFARI, OPERA, IE, EDGE
-    browser: OTHER
+    browser: CHROME
     # Device type to tell the phone. This also affects the icon, as well as how many sessions are allowed simultaneously.
     # One web, two tablets and one PWA should be able to connect at the same time.
     # Valid types: WEB, TABLET, PWA
diff --git a/libgm/util/constants.go b/libgm/util/constants.go
index 8f33680..0cb81e3 100644
--- a/libgm/util/constants.go
+++ b/libgm/util/constants.go
@@ -1,8 +1,9 @@
 package util
 
 const GoogleAPIKey = "AIzaSyCA4RsOZUFrm9whhtGosPlJLmVPnfSHKz8"
-const UserAgent = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36"
+const UserAgent = "Mozilla/5.0 (Linux; Android 13) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36"
 const SecUA = `"Google Chrome";v="113", "Chromium";v="113", "Not-A.Brand";v="24"`
-const UAPlatform = "Linux"
+const UAPlatform = "Android"
 const XUserAgent = "grpc-web-javascript/0.1"
 const QRCodeURLBase = "https://support.google.com/messages/?p=web_computer#?c="
+const SecUAMobile = "?1"
diff --git a/libgm/util/func.go b/libgm/util/func.go
index 0b98181..9b0c8e3 100644
--- a/libgm/util/func.go
+++ b/libgm/util/func.go
@@ -27,7 +27,7 @@ func BuildRelayHeaders(req *http.Request, contentType string, accept string) {
 	if len(contentType) > 0 {
 		req.Header.Add("content-type", contentType)
 	}
-	req.Header.Add("sec-ch-ua-mobile", "?0")
+	req.Header.Add("sec-ch-ua-mobile", SecUAMobile)
 	req.Header.Add("user-agent", UserAgent)
 	req.Header.Add("sec-ch-ua-platform", "\""+UAPlatform+"\"")
 	req.Header.Add("accept", accept)
@@ -44,7 +44,7 @@ func BuildUploadHeaders(req *http.Request, metadata string) {
 	req.Header.Add("connection", "keep-alive")
 	req.Header.Add("x-goog-download-metadata", metadata)
 	req.Header.Add("sec-ch-ua", SecUA)
-	req.Header.Add("sec-ch-ua-mobile", "?0")
+	req.Header.Add("sec-ch-ua-mobile", SecUAMobile)
 	req.Header.Add("user-agent", UserAgent)
 	req.Header.Add("sec-ch-ua-platform", "\""+UAPlatform+"\"")
 	req.Header.Add("accept", "*/*")
@@ -67,7 +67,7 @@ func NewMediaUploadHeaders(imageSize string, command string, uploadOffset string
 		headers.Add("x-goog-upload-protocol", protocol)
 	}
 	headers.Add("x-goog-upload-header-content-length", imageSize)
-	headers.Add("sec-ch-ua-mobile", "?0")
+	headers.Add("sec-ch-ua-mobile", SecUAMobile)
 	headers.Add("user-agent", UserAgent)
 	if imageContentType != "" {
 		headers.Add("x-goog-upload-header-content-type", imageContentType)
diff --git a/user.go b/user.go
index b2a201e..9aa7172 100644
--- a/user.go
+++ b/user.go
@@ -397,7 +397,7 @@ func (user *User) Login(maxAttempts int) (<-chan qrChannelItem, error) {
 	user.createClient(libgm.NewAuthData())
 	qr, err := user.Client.StartLogin()
 	if err != nil {
-		user.DeleteConnection()
+		user.unlockedDeleteConnection()
 		user.pairSuccessChan = nil
 		user.loginInProgress.Store(false)
 		return nil, fmt.Errorf("failed to connect to Google Messages: %w", err)