Using more data than usual
The first sign when your phone is infected with malware is that the amount of mobile data (3/4/5G) will lose more than usual because the malware will continuously run background, collect your personal data and then send it to the designated server.
If you do not set a plan or limit data usage, you will definitely have to face a phone bill of up to several million VND per month.
Phone runs out of battery
If you don't use your phone much but your phone is hot and your battery runs out quickly, there is a good chance that there is an application running underground in the system.
To check which applications are "eating" a large amount of battery on your phone, you just need to access Settings - Battery (pin) - Battery Usage (using battery). Once you have detected suspicious apps, quickly remove them from your phone.
App is banned
In case the applications that are often used suddenly have a crash, it is likely that there is malware breaking into the device, disrupting everything. To limit this situation, upgrade all apps to the latest version.
Advertisements appear
If you suddenly see the advertisement appearing continuously on the screen, the phone is likely to be infected with malware. To limit being scammed, do not click on advertising windows or follow the instructions on the screen.
Similarly, for fake advertisements on the browser, you just need to turn off the entire browser or close the cards that are open and restart the phone. To limit the above situation, don't forget to update all applications to the latest version.
