Is the OS and software on old, out of service smartphones (2-7

>>60898259
more info: Galaxy note 2
HTC Hero S
Motorola Moto G (3rd Gen)

Yes, but then you have to somehow visit a website that uses the specific vulnerability.

>>60898259
A public WiFi is always unsecure no matter what device you're using

>>60898355
what about btc market and exchange sites?

>>60898377
Would it be my 'outdated' OS on the phone that makes me vulnerable or the connection being public?

>>60898425
No idea but should be safe. Just make sure to block ads since they're probably the largest threat to your security (there's AdAway for rooted devices, DNS66 for unrooted and worst case you can use Adguard DNS for the WiFi connection).

>>60898377
Block incoming connections and use HTTPS, then you'll be fine. MITM-attacks will either throw a certificate warning or fail due to HSTS.

>>60898438
Mainly the fact that it's a public WiFi but an old device that hasn't been updated in years makes it easier for a person with malicious intents to execute exploits. Use a VPN if you want, either paid one or else there are guides on how to use a Raspberry Pi or your computer as a VPN.

>>60898591
thanks man

>>60898259
90% of Android phones are outdated