The article discusses 9 signs that indicate a smartphone has a virus. These signs include:
1. Faster battery drain
2. Interruptions during calls
3. Mysterious outgoing calls or messages
4. Constant pop-up notifications
5. Unfamiliar applications on the phone
6. Overheating device
7. Increased traffic usage
8. Mysterious payments on the phone bill
9. Programs often crashing
The article also mentions common types of viruses that can affect smartphones, including:
1. Trojan
2. Phishing
3. Phishing worm
4. Adware (spyware)
5. Ransomware
To protect smartphones from viruses, the article provides tips such as:
* Updating programs regularly
* Avoiding installation of applications from unreliable sources
* Disabling unknown sources in security settings
* Using a good antivirus program
* Being cautious when opening or downloading files
* Regularly making backup copies of data
* Reading screens carefully before clicking on ads or links.
Here are the key facts extracted from the text:
1. The use of smartphones has become a part of daily life, but it also increases the risk of virus attacks.
2. Viruses can cause problems like identity theft, huge phone bills, and failures in various applications.
3. A virus can be present on a phone without revealing its presence, working in the background to drain the battery.
4. A faster-than-usual battery drain can be a sign of a virus or malware on a phone.
5. Interruptions during calls can be a sign of a virus or malware affecting the phone's communication quality.
6. Mysterious outgoing calls or messages can be a sign of a virus on a phone.
7. Constant pop-up notifications and advertisements can indicate the presence of a virus or malware on a phone.
8. Unfamiliar applications appearing on a phone can be a sign of a virus or malware.
9. A phone overheating can be a sign of a virus or malware using the phone's resources.
10. A significant increase in traffic usage can be a sign of a virus or malware on a phone.
11. Mysterious payments appearing on a phone bill can be a sign of a virus or malware sending expensive messages.
12. Programs crashing frequently can be a sign of a virus or malware affecting the phone's operation.
13. There are different types of viruses that can affect smartphones, including Trojans, phishing, worms, adware, and ransomware.
14. Updating phone programs can help protect against viruses.
15. Installing applications from unreliable sources can increase the risk of getting a virus.
16. Enabling unknown sources on Android devices can allow viruses to be downloaded.
17. Allowing devices to download applications without a password can increase the risk of getting a virus.
18. Installing a good antivirus program can help protect against viruses.
19. Scanning files attached to emails before opening them can help protect against viruses.
20. Regularly making backup copies of data can help restore information if a virus damages or destroys it.