MP4 (MPEG-4 Part 14) is the successor. It offers:
No government or corporation “verifies” pirated content. Instead, forums, Telegram channels, and torrent trackers use user ratings or moderator seals to build trust. MP4 (MPEG-4 Part 14) is the successor
Assuming you have found a verified 3GP or MP4 file, here is how to handle it on your device: MP4 (MPEG-4 Part 14) is the successor