The statement that should be performed first to protect your personal data is to install anti-malware software. Thus, the correct option for this question is A.
The best practice to minimize the chances of infecting mobile devices is to install apps only from trusted sources. Apart from this, it is advised to users that they may install anti-malware software to prevent the threat to their electronic devices.
According to the context of this question, switching to airplane mode prevents your mobile phone from having an internet connection. Performing a factory reset deletes all sorts of unnecessary files and folders from your device.
Therefore, installing anti-malware software is the action that should be performed first to protect your personal data. Thus, the correct option for this question is A.
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