An open-source Android malware named 'Ratel RAT' is widely deployed by multiple cybercriminals to attack outdated devices, some aiming to lock them down with a ransomware module that demands payment on Telegram.
Nowadays people use the popular ROMs like Lineage (you might remember as cyanogenmod), or GraphineOS. There are a few others, too. But XDA is always a good resource.
Nowadays people use the popular ROMs like Lineage (you might remember as cyanogenmod), or GraphineOS. There are a few others, too. But XDA is always a good resource.