Talk back fos froze my fairphone

hi, I don’t know why, but I tried talk back, on my fairphone 5, not knowing it, and now, my phone has totally “frozen”. I can’t even draw my diagram to open it…can you help?
Combination to have problem is 4x4 pattern with a pattern which goes down and TalkBack activated without option to use volume buttons

Regain your privacy! Adopt /e/OS the deGoogled mobile OS and online servicesphone

same problem, and I use helliboard too, and my phone is totally blocked.

I am in recovery and I am trying to use this command:
adb shell pm disable-user --user 0 app.talkbackfoss
Error is:
/system/bin/sh: pm: inaccessible or not found

Is this even possible? (And yes I have to do it in recovery)

@piero @tcecyk Do you know this? Or someone who might know this?

The problem is a lockscreen pattern of 4x4 in combination with TalkBack. It is not frozen but the devices closes the pattern again and you can try again to unlock again and again. When drawing more than 3 dots, it just crashes

Had you tried

adb root

as the first command?

In Recovery > Advanced you might try Enable ADB and Mount system first.

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not familiar, just knew someone ran into the weeds when toying with talkback and linked the thread

Yeah I enabled first adb in the recovery.

adbd is already running as root

not sure how I need to change the command to disable the app :see_no_evil:

@tcecyk was heisst ‘ran into the weeds’?

getting in the weeds

… of in the weeds? I like the positive meaning, but had the waiters situation in mind. Most neutral meaning seems “busy with details”

…, so deep in the weeds that there doesn’t seem any way out, that all is hopeless, and that with each passing moment the weeds get thicker and thicker.

“ran into” was misuse? you’re either (deep) in the weeds or not

anyway, does the “frozen” screen accept any of the talkback gestures?

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Nice one @tcecyk … long press both volume keys toggles Accessibility on my Moto.

Great source for all sorts of things for TalkBack but I can’t get past the lockscreen since unlocking crashes it.

@aibd Was yours unlocked?

I tried the long press on both but still turned on

Found also this on the internet:

‘To turn Talkback on or off, press both volume keys of the device for 3 seconds to turn TalkBack. This functions as a volume key shortcut. Note that it will only work after you have enabled it. To enable the volume key shortcut for TalkBack:’

Not sure if it is activated in this case :thinking::thinking: Edit: I am sure it wasn’t.

Creating a video of behaviour… to be uploded (need to drop it I think)

Edit: upload doesn’t work, any formats I need to be aware of?

After a few tests and restarts, it seems the trick depends on two switches, sorry.


Just never create a pattern of 4x4 (and maybe others), that will make it unuseable if that checkbox is not ‘on’.

Which on my Pixel 5 is on by default but wasn’t on Pixel 4a testing device

FYI

My test included change of PIN where I saw a warning about potentially harmful loss of data.

For me, after the restarts, the second image was toggled on by default but the first was disallowed (I think this must be the case) by the change of PIN.


Here what it loocked like for me

And then I changed pattern to 4x4 and it won’t unlock anymore.

Crashes everytime. Device was also rebooted couple times.

Not that this helps … but … I suppose the logic is that if a user required Accessibility and locked screen that is doable but the phone is then vulnerable to a “stranger”. That stranger should be prevented to change lock screen PIN – idk but maybe even at expense of loss of data by Factory reset (??) … but also I am not sure if this matches your situation.

I totally agree with you. It is a stupid bug and @vega (Telegram group chat) is thinking of formatting the device. It is FP5 with official and locked bootloader. So in recovery using format data would show the wizard again at first boot?

Thanks to you gang (@tcecyk, @aibd) for your help, as usual very helpful and good points to try for solutions. :bowing_woman::man_bowing:.

I wil create a gitlab issue for it later

Of course

… but I guess unlock Bootloader would get @vega there in one action (??)

Hey, I also just locked my phone testing talkback, anyone understands why adb from recovery does not work and always says inaccessible or not found for pm, settings, etc?

There should be a way to disable talkback from ADB but I just cannot seem to find it…