This happens if you try to downgrade to an older version of Android. Vivo generally blocks downgrades for security reasons.
import requests
When you need specific software or files, always use: http- zs.vivoglobal.com download.php sel-type 4
curl -O "http://zs.vivoglobal.com/download.php?sel-type=4" This happens if you try to downgrade to
If the download interrupts, the .zip will be invalid. Always use a stable Wi-Fi connection. http- zs.vivoglobal.com download.php sel-type 4
Never flash firmware meant for a different model (e.g., don't put V20 Pro software on a V20). 2. The Installation Process