This is a standard security prompt in Opera browsers. If you see this for a "KING CELL" file today, it is likely a redirected link or an attempt to download an APK (Android Package Kit) file from a third-party repository.
If you have encountered a prompt to download a file from a source mentioning "My Opera," follow these safety steps: KING CELL - Confirm file download - My Opera
Since the original my.opera.com is inactive, any current download prompt using this name is likely coming from a third-party mirror or a potentially untrusted source . Verify File Extensions: This is a standard security prompt in Opera browsers
You can search for archived content by visiting the Internet Archive and entering the old URL or username. Verify File Extensions: You can search for archived
Common for very old "basic" phones. These are generally safe but rarely used on modern smartphones.