Hello , I need your advise for iphone 4 to keep it safe. which protection will u advise me or utilities to install on it to be it safe? i need any good antivirus or something free to be safe. I installed avast secureLine but it repuires to be on my VPN, without it wont work, but when i make it on a few minutes after will it get off itself and also avast is disconnected. So please help me to that problem. what will you suggest me to install or what to do? Thanks in advanced.