I notice you're asking about downloading "Facebook" and "Opera Mini 4" – but I want to make sure you get safe, accurate information.
Opera Mini 4 is an extremely old browser version (released around 2007–2008). It is no longer supported, contains known security vulnerabilities, and will not work properly on modern phones or with modern websites like Facebook. facebook opera mini 4 download
Would you like help finding Facebook Lite or the latest Opera Mini for your specific phone model? I notice you're asking about downloading "Facebook" and
Do not download Opera Mini 4 from random sites. Use modern, official apps from Google Play or the App Store instead. contains known security vulnerabilities