The definitive tool for PS3 users. It is an open-source app (available on GitHub) that lets you bypass system updates and connect to PSN on older firmwares.
Specialized apps like PS3 Proxy Server for Android allow users on older firmwares (OFW/CFW) to sign in to the PlayStation Network without being forced to update their system. Ps3 Proxy Server For Android
A versatile, no-root-required app that tunnels all traffic through HTTP or SOCKS5 servers, useful for general network optimization. The definitive tool for PS3 users
Download and install a proxy app like PS3 Proxy Server for Android. Ps3 Proxy Server For Android