Important selection criteria:

Ensure the firmware file being targeted via the proxy link is a package, not an incremental update. Incremental updates strictly require the previous version to match exactly. A FullOTA has more lenient checks regarding the "Group" version, provided the region is correct.

: In the HiSuite Proxy interface, make sure to check the boxes for "CUST PKG" "Preload PKG" before clicking "Setup". Verify Region