Unable to turn off or reboot on recovery (advanced reboot)

Help Fairphone 2
1

Hi,

I have a Faiphone 2 under LineAgeos, but strangely : i can switch off or reboot in recovery.

I activate «advanced reboot» , if i choose “switch off” : the phone reboot on system, i i choose recovery : phone reboot on system.
With adb reboot recovery : phone reboot on system.

  • remove battery, volume up + on button : reboot in twrp
  • remove battery : volume down + on button : recovery seems OK (Faiphone only logo + fatboot reboot OK)

I have :

  • LineageOS 15.1-20181123-NIGHTLY-FP2 (updated yesterday using remove battery, => twrp : start recovery (after check update)
  • twrp-3.2.3-0-FP2.img (last update done with remove battery, fastboot) (upgraded yesterady from twrp-3.2.2-0-FP2)

Someone have an idea ? Something i can do ?

PS : deactivate «advanced reboot» swith off work. But adb reboot recovery reboot on system

2

https://bugtracker.fairphone.com/project/fairphone-lineageos-on-fairphone/issue/24

Issue in bugtracker :slight_smile:
Sorry for interruption

1 Like
5

Just to be sure as it’s not explicitly mentioned in the linked bugtracker thread:
Do you know that turning on flashlight/torch before shutdown or reboot to recovery is a working workaround?

6

Another workaround is holding the up key after the phone starts rebooting (before the logo appears).

1 Like
7

Although that’s not a workaround, that’s the default way to get into dic:recoverymode :slight_smile: .

8

For me it works with the new camera though (which reboots instead of halting).

9

Apart from hardware trouble with the buttons or cases of deleted or botched-up recoveries, the default way always worked*, that’s why it is the default way :wink: .

What doesn’t work yet with the new camera (when not using the torch workaround) are the advanced reboot options added to LineageOS for convenience, and rebooting into recovery connected to a computer via ADB.

*And the automatic reboots into recovery by the Updater App for installing updates don’t even work with the button pressed if I remember correctly, which of course was especially troublesome for people relying on the Updater, until the torch workaround was found.

1 Like
10

The interesting part is, I recently figured out that works as well, with the Updater (in LineageOS 15 + microG that is).

11

Turning on torch, go on update, install reboot on recovery.

Strangely volum up boot in fastmode/bootloader not in recovery.

12

Are you sure? Does fastboot devices recognize the phone in that state?

The same screen would be shown when there is no valid OS to boot, I think.

13

No, unsure … maybe i have big finger and i set volume up +down at same time. But yesterday : fastboot reboot work .