In Bromite through 78.0.3904.130, there are adblock rules in the release APK; therefore, probing which resources are blocked and which aren't can identify the application version and defeat the User-Agent protection mechanism.
{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "78.0.3904.130"
}
],
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:bromite:bromite:*:*:*:*:*:*:*:*"
}