Among the added accounts on the Huawei smartphone, we can specify whether the data should be synchronized automatically, including app data, settings, documents or calendar data.

Android 10 | EMUI 10.0
Step 1:  Open the  Settings
Step 2:  Tap on  Users & accounts
Step 3:  Open the  menu
Step 4:  Enable or disable  Auto-sync data
Step 5:  Confirm with  OK
  1. Open the Settings
  2. Tap on Users & accounts
  3. Open the menu
  4. Enable or disable Auto-sync data
  5. Confirm with OK

Huawei Instructions