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Comment by OptionOfT | Hacker News Reader

The only way to truly disable 2g on an iPhone is to enable lock-down mode, which is a step too far for me.

Agree. I do a lot of travel and in 3rd-world countries it is quite common to get 2g spam, it's really unacceptable that Apple doesn't offer a way to turn off 2g short of lockdown mode.

Are you sure it's not sourced from the visited network? In that case, 3G or beyond wouldn't help you, as mutual authentication does not imply end-to-end authentication of all traffic between you and your home provider.

It happens specifically when I wander out of network coverage. If I stay in my airbnb where I have coverage, then 0 spam

It's always amusing to me how apple tries to hide basic security features behind there super duper totally secure mode which nobody will enable because it destroys usability.

Meanwhile GrapheneOS in the default mode is as much or much more secure (and private duh) than there marketing mode with little to no usability decrease.

I was curious about this so I looked around a bit. My interpretation is that GrapheneOS still has not cracked this nut. Neither has iPhone, unless you enable "Lockdown Mode"

https://github.com/GrapheneOS/os-issue-tracker/issues/3952 https://github.com/GrapheneOS/os-issue-tracker/issues/6076

4G only, 4G+5G only and 5G only mode has been a thing on GOS for over a year.

https://github.com/GrapheneOS/platform_packages_apps_Setting...

5G-SA only is a separate issue which currently neither devices support.

Yeah, they really go all or nothing with the lock down mode. There are a lot of things from it I’d like to enable but not everything.

At least Pixels have the setting to disable 2G, which is on by default.

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