this post was submitted on 20 Sep 2025
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Linux Phones

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Community about running GNU/Linux on phones. Projects like Ubuntu Touch, Plasma Mobile, PostmarketOS, Mobian etc. Either on former Android phones or hardware like the PinePhone.

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disable modem - SOLVED (lemmy.ml)
submitted 4 months ago* (last edited 4 months ago) by glitching@lemmy.ml to c/linuxphones@lemmy.ml
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how would I go about disabling the modem and nfc on my Oneplus 6T (SDM845) running Mobian? or postmarketOS, I go back and forth between them.

I mean power it off completely, the way "Airplane mode" works on Android, but still be able to use Wifi and BT.

rfkill doesn't list it, lsusb/lspci don't work over here. shutting down ModemManager service removes everything modem related but I want it powered down completely.

If it matters, I'm on Plasma Mobile currently, but I'll switch back to a Phosh image.

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[โ€“] betterdeadthanreddit@lemmy.world 2 points 4 months ago

First, you take a power drill...

[โ€“] glitching@lemmy.ml 2 points 4 months ago* (last edited 4 months ago)

well, disabling ModemManager was a mistake, because that prevents you from using mmcli.

with it, you can issue mmcli --modem=0 --set-power-state-off ~~or mmcli --modem=0 --disable~~. nope, the latter puts it in a low-power state.

~~there's also --inhibit which seems to turn off the modem completely, it's gone from mmcli.~~ nope, that just removes it from the manager, it's still running.

will keep experimenting as to what each does.