asus_sm84xx: fix unlock device app links

Change-Id: Ie6270ae6c5a90853ead1f0f0e3511d57cfbb5b7e
diff --git a/_asus/zenfone9.markdown b/_asus/zenfone9.markdown
index 96ce1a5..3d30ce4 100644
--- a/_asus/zenfone9.markdown
+++ b/_asus/zenfone9.markdown
@@ -48,7 +48,7 @@
 <p class="text">On your device, go into Settings -> About and find the Build Number and tap on it 7 times to enable developer settings. Press back and go into Developer Options and enable USB debugging. From your computer, open a command prompt and type:</p>
 <p class="code">adb reboot bootloader</p>
 <p class="text">You should now be in fastboot mode.</p>
-<p class="text">Your device needs to be unlocked before it can flash custom images. To unlock your device, use <a href="https://rog.asus.com/us/phones/rog-phone-3-model/helpdesk_download">the official ASUS app</a>.</p>
+<p class="text">Your device needs to be unlocked before it can flash custom images. To unlock your device, use <a href="https://www.asus.com/us/supportonly/zenfone%209/helpdesk_download/">the official ASUS app</a>.</p>
 <p class="text">Download the correct image file and copy the file into the same folder as your platform-tools. Rename the image to twrp.img and type:</p>
 <p class="code">fastboot flash recovery_a twrp.img</p>
 <p class="code">fastboot flash recovery_b twrp.img</p>