Device unauthorized in Recovery mode

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mangokm40

Senior Member
Jan 13, 2019
210
113
I got the similar issue
> adb devices
abcdefgh device

> adb reboot fastboot
> fastboot reboot recovery
> adb devices
abcdefgh unauthorized

Do you know how to fix the device unauthorized in recovery mode?
After you do all of above, look at your phone. It will have a popup message asking you to authorize your new connection.
 

Knocturn

New member
May 27, 2023
3
0
guys i am using a samsung A32 and i can see folders when i use ls command but when i cd to them or pull them it says no file or folder in the directory

and on pull command it says no backup found

plz help
 

Davit-YT

New member
May 28, 2023
1
0
OK, so I see that you have problem with adb unauthorized. In cmd or in terminal type adb devices. If you don't have installed adb drivers install it. If it says "unauthorized" that means that you don't have allowed to usb debugging. On your android device will pop up message to allow usb debugging.
 

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leungda

Senior Member
Aug 26, 2008
166
5
On the USB debug mode. It is ok. The device is authorized. When goto fastboot recovery mode, it is unauthorized
 

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    after a bit of research (by which i mean google/trial/error) i now feel VERY dumb, but let me share my results with you - for what it’s worth, and maybe it is/was the same problem for you:

    apparently to sideload an OTA the device in recovery does NOT have to show "authorized"! (tried everything (creating new keys, checking the local key against the device-key manually, etc) and still it said "unauthorized".)

    it turns out i tried to get the authorized-status on the screen where the android robot fell down and said "no command", so kinda "before" the actual recovery mode! get out of that screen (holding power button long, pressing vol-up short, letting go the power button) to get into the "menu" mode of recovery. still unauthorized, yes. then/there choose "sideload via adb" until the device says "waiting for input .." or something, and - TADAA - "adb devices" now tells you "sideload" next to the device id (instead of "unauthorized"). which is not only correct and "as expected", but actually works (for me) for sideloading an OTA!

    mind blown, more or less. all the time i tried to get it "authorized" before checking if the actual OTA needs that anyway. :)
    3
    after a bit of research (by which i mean google/trial/error) i now feel VERY dumb, but let me share my results with you - for what it’s worth, and maybe it is/was the same problem for you:

    apparently to sideload an OTA the device in recovery does NOT have to show "authorized"! (tried everything (creating new keys, checking the local key against the device-key manually, etc) and still it said "unauthorized".)

    it turns out i tried to get the authorized-status on the screen where the android robot fell down and said "no command", so kinda "before" the actual recovery mode! get out of that screen (holding power button long, pressing vol-up short, letting go the power button) to get into the "menu" mode of recovery. still unauthorized, yes. then/there choose "sideload via adb" until the device says "waiting for input .." or something, and - TADAA - "adb devices" now tells you "sideload" next to the device id (instead of "unauthorized"). which is not only correct and "as expected", but actually works (for me) for sideloading an OTA!

    mind blown, more or less. all the time i tried to get it "authorized" before checking if the actual OTA needs that anyway. :)
    Sir you have no clue how much it is helpful for everyone like me who were scratching their heads on this error.
    1
    I'm having the same issue...
    I did flash without -w and for adb in Recovery mode the same situation.
    you did what?
    man, i miss the times where anyone could update his google phone without being a developer :(
    1
    the one from here?
    I don't have time to read whole thread to verify it. For sure you can find version matching your system version here:
    1
    after a bit of research (by which i mean google/trial/error) i now feel VERY dumb, but let me share my results with you - for what it’s worth, and maybe it is/was the same problem for you:

    apparently to sideload an OTA the device in recovery does NOT have to show "authorized"! (tried everything (creating new keys, checking the local key against the device-key manually, etc) and still it said "unauthorized".)

    it turns out i tried to get the authorized-status on the screen where the android robot fell down and said "no command", so kinda "before" the actual recovery mode! get out of that screen (holding power button long, pressing vol-up short, letting go the power button) to get into the "menu" mode of recovery. still unauthorized, yes. then/there choose "sideload via adb" until the device says "waiting for input .." or something, and - TADAA - "adb devices" now tells you "sideload" next to the device id (instead of "unauthorized"). which is not only correct and "as expected", but actually works (for me) for sideloading an OTA!

    mind blown, more or less. all the time i tried to get it "authorized" before checking if the actual OTA needs that anyway. :)
    your a life saver. I was totally stuck in recovery for updating ota of pixel 6 pro.