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