Let me know if you meant something else,and Ill be happy to help!

It seems there might be a typo in your query. "ios" refers to the iOS operating system, and "翻墙" ("vpn") could be a mistranslation or a misinterpretation of "VPN" (Virtual Private Network). If you're referring to using a VPN on iOS devices, I can provide some useful information on how to set one up. Alternatively, if you're asking about using an iOS browser (like Chrome, Safari, or Firefox), I can explain how to use those browsers properly.