this post was submitted on 21 Mar 2024
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Privacy
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At least it's open-source: https://android.googlesource.com/platform/packages/modules/DeviceLock/+/refs/heads/main/DeviceLockController/
And that'd be why custom roms have it. It's part of the base Android system.
I was able to start some of its private activities with ActivityLauncher as root. Most of them just crash immediately, but the help page is available. And yikes, they got them covered against a possible bypass, no developer tools or sideloading.
Still disappointed this is shipped in LineageOS, but I suspect not for much longer with that publicity.
So, that looks like this is less insane than it sounded... This is for if you buy your phone on a payment plan? Not for creditors more generally to have a option to repossess/dispossess your phone?
This is what small claims court is for. To me there is no excuse for this.
Yeah, this is likely something that's configured on an OS level to talk to some server when being sold.
However, note that SIM cards can have a flag that might enable this app (given how much power sim cards have over phones)
Note: no source, just assumptions
Edit: second note: this app isn't present on my EU OnePlus Nord.
I'm worried about the "if you stop using their SIM" part. It's one thing if you switch providers before paying it off, but that's already covered with the skipped payments part. This implies that even after you finish paying it off, you can get locked out. Either way, I'm curious if the app even has any way of knowing whether the creditor really is using it "as intended," or just trusting that a creditor wouldn't want to lock the phone of an active, paying customer. I don't have time to dig through the code myself though, so I'll just hope this blows up enough for somebody else to figure it out.
Usually a financed devicd is financed through the carrier, and therefore a carrier branded device, and therefore locked to the carrier (yes they have the unlock option but compatibility tends to be far more limited than on the manufacturer unlocked version of the model)
If you look at the bottom it says once the device is paid off they can no longer access/change settings
Assuming there are no additional backdoors...
Coz we all trust in that...
That is both Google's official version and what it looks like poking at it.
I haven't dug in the code, so I don't know if this is theoretically possible for a shady carrier to enable after the fact. But it very much looks like a dormant feature nobody uses.
I guess I could see that making sense in poorer countries where carriers might have issues of people signing up for phone plans and never paying. A carrier locked flip phone was pretty useless, but nowadays cutting your phone/data off is more of an inconvenience than a dealbreaker, you've still got WiFi and a nice phone.
On my lineage for micro G install it's not present (or at least I didn't spot it) maybe it's a regional thing? I'm not in the us