Benjamin_Loison/adb
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Can unlock screen if already have provided decryption password once since restart? #19

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opened 2024-09-06 00:05:33 +02:00 by Benjamin_Loison · 11 comments
Benjamin_Loison commented 2024-09-06 00:05:33 +02:00
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Related to Benjamin_Loison/Debian/issues/67.

Related to [Benjamin_Loison/Debian/issues/67](https://codeberg.org/Benjamin_Loison/Debian/issues/67).
Benjamin_Loison commented 2025-05-08 23:50:38 +02:00
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Related to Benjamin_Loison/Voice_assistant/issues/15.

Related to [Benjamin_Loison/Voice_assistant/issues/15](https://codeberg.org/Benjamin_Loison/Voice_assistant/issues/15).
Benjamin_Loison commented 2025-05-09 18:57:09 +02:00
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adb shell settings get secure lockscreen.disabled

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Source: the Android Stack Exchange answer 246311

no matter if the session is unlocked or the screen off on my Fairphone 4 LineageOS 22.2.

adb shell settings put secure lockscreen.disabled 1

temporarily does not help just having to swipe to unlock the session.

Could try adb reboot but should try first on an emulator to reduce risks of getting locked out.

```bash adb shell settings get secure lockscreen.disabled ``` ``` 0 ``` Source: [the Android Stack Exchange answer 246311](https://android.stackexchange.com/a/246311) no matter if the session is unlocked or the screen off on my Fairphone 4 LineageOS 22.2. ```bash adb shell settings put secure lockscreen.disabled 1 ``` temporarily does not help just having to swipe to unlock the session. Could try `adb reboot` but should try first on an emulator to reduce risks of getting locked out.
Benjamin_Loison commented 2025-05-09 19:01:52 +02:00
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On my Linux Mint 22.1 Cinnamon Framework 13 LineageOS 22.1:

Just clicking on outside of emulator screen power button, just switches the screen off or not without any lock screen.

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On my Linux Mint 22.1 Cinnamon Framework 13 LineageOS 22.1: Just clicking on outside of emulator screen power button, just switches the screen off or not without any lock screen. ![image.png](/attachments/6f0a6e4c-d0a0-4829-baf6-b0f8e6010035) ![image.png](/attachments/e63a6d79-3658-443e-96ab-ff217dd9296b) ![image.png](/attachments/9f20b530-2e68-4f5f-af3c-1f91f2eb3ddb)
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Benjamin_Loison commented 2025-05-09 19:03:27 +02:00
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Let's define a fake PIN 1234.

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![image.png](/attachments/39617c55-7ce4-4701-a53f-53c82f6dab46) ![image.png](/attachments/b4c49b42-fdd9-48b5-aecb-fc3920c2b6a2) Let's define a fake PIN *1234*. ![image.png](/attachments/37f5d145-19c6-4e55-9f06-e7315c34b519) ![image.png](/attachments/16a9a3f6-d95f-455f-a089-994e9d62d191) ![image.png](/attachments/1eee35cb-22f6-4a34-bb7e-05be018f7767)
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Benjamin_Loison commented 2025-05-09 19:04:16 +02:00
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Note the locked lock.

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![image.png](/attachments/8f1a4145-c2b6-4dc5-9f08-70491abdffbe) Note the locked lock. ![image.png](/attachments/9208080b-a06b-4beb-b759-010cfb000fb9)
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Benjamin_Loison commented 2025-05-09 19:05:55 +02:00
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adb shell settings get secure lockscreen.disabled

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adb shell settings put secure lockscreen.disabled 1
adb shell settings get secure lockscreen.disabled

1

still requires the PIN to unlock the screen.

adb reboot

takes quite some time to notice that have to reboot.

```bash adb shell settings get secure lockscreen.disabled ``` ``` 0 ``` ```bash adb shell settings put secure lockscreen.disabled 1 adb shell settings get secure lockscreen.disabled ``` ``` 1 ``` still requires the PIN to unlock the screen. ```bash adb reboot ``` takes quite some time to notice that have to reboot.
Benjamin_Loison commented 2025-05-09 19:06:39 +02:00
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Should try with a password as maybe PIN does not encrypt the device for instance.

However, as may need to reboot it is quite pointless to me.

Should try with a password as maybe PIN does not encrypt the device for instance. However, as may need to reboot it is quite pointless to me.
Benjamin_Loison commented 2025-05-09 19:08:38 +02:00
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Should try with a password as maybe PIN does not encrypt the device for instance.

However, as may need to reboot it is quite pointless to me.

Should try with a password as maybe PIN does not encrypt the device for instance. However, as may need to reboot it is quite pointless to me.
Benjamin_Loison commented 2025-05-09 19:08:43 +02:00
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At reboot it still requires the PIN.

At reboot it still requires the PIN.
Benjamin_Loison commented 2025-05-09 19:30:37 +02:00
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![image.png](/attachments/13002733-bde0-4979-a0a5-dc815c414da6) ![image.png](/attachments/072837d7-675d-4e61-ba1b-e74d5119889f) ![image.png](/attachments/e1fc5641-ae30-4e68-a3b0-49c64605fe6f) ![image.png](/attachments/2225b145-077f-4ece-a254-6270ac418a2f) ![image.png](/attachments/58e583c6-429a-461f-8c15-616350b4b7bb)
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Benjamin_Loison commented 2026-02-15 23:53:33 +01:00
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DuckDuckGo and Google search adb unlock the screen.

DuckDuckGo and Google search *adb unlock the screen*.
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Reference: Benjamin_Loison/adb#19