[Q] Power Reset or Unknown Upload Mode

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binky1

New member
Jan 8, 2013
1
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Unknown Upload Mode...can't access Download mode

To access download mode from "Power Reset or Unknown Upload Mode" screen...

remove the battery
<pause>
--do not touch the power button--
replace battery while holding Vol button.
(Hold both volume keys)
Plug in USB (still holding Vol keys).
 
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milpro7

milpro7

Senior Member
Jun 27, 2012
67
9
Mumbai
Thanks Doc

dr.ketan said:
This is samsung bootloader bug
While rebooting to recovery,Just release power button once screen light appears
Then you will booted into recovery.
Click to expand...
Click to collapse

Hey Doc... i am using ur K14 ROM on N900(Note 3).. had experienced the same issue where i was getting "Power Reset or Unknown Upload Mode". What do u suggest i do now...

At the moment i reflashed K14 after following the above steps you gave... Please let me know... Thanks:good:
 
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Rehan1

New member
Jan 17, 2016
1
0
Any one can help. I am using Samsung Galaxy note 3 - SM N900 model. I having one issue while rebooting & starting my phones. It appears in the screen Power reset and unknown boot loader . I am not able to do any thing.

Please help for eliminating POWER RESET & UNKWON BOOT LOADER for my note 3.
 
Last edited:
A

arunastan

Senior Member
Jul 10, 2012
116
10
Samsung Galaxy Tab S2
Samsung Galaxy A50
Rehan1 said:
Any one can help. I am using Samsung Galaxy note 3 - SM N900 model. I having one issue while rebooting & starting my phones. It appears in the screen Power reset and unknown boot loader . I am not able to do any thing.

Please help for eliminating POWER RESET & UNKWON BOOT LOADER for my note 3.
Click to expand...
Click to collapse

Hi Rehan1,

Did you find a solution to this issue.

Iam having the same trouble in my N900
 
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kurt22

New member
Apr 28, 2020
2
0
Power reset or unknown upload mode

I have my gtp1000n samsung tablet and still at froyo (2.2) android. I tried to root and put the cwm with odin3.The flashing failed and it stucked at some kind of weird sign.... Helpp.. i tried power button+volume buttons i saw it again (power reset....) but when i released one of the buttons, it turned off and showed the weird sign... HELP if possible . THANKS IN ADVANCE DEVELOPERS!
 
K

kurt22

New member
Apr 28, 2020
2
0
Power reset or unknown upload mode

[I[/I]
binky1 said:
To access download mode from "Power Reset or Unknown Upload Mode" screen...

remove the battery
<pause>
--do not touch the power button--
replace battery while holding Vol button.
(Hold both volume keys)
Plug in USB (still holding Vol keys).
Click to expand...
Click to collapse

What if my tablet ... i mean if i can't remove the battery.. what should i/we do?
 
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  • 2
    dr.ketan
    dr.ketan
    This is samsung bootloader bug
    While rebooting to recovery,Just release power button once screen light appears
    Then you will booted into recovery.
    View
    2
    Chenglu
    Chenglu
    rnpasinos said:
    i have been encountering this error whenever i go to recovery mode. is this a problem with my phone or with the deodexed rooted rom, with cwm, or with the custom rom i installed?
    Click to expand...
    Click to collapse

    Not all n7100 has this problem,you try to flash this bootloader:

    http://xdaforums.com/showpost.php?p=32588568&postcount=14
    View
    1
    dr.ketan
    dr.ketan
    I think i have made this clear at other thread
    Though writing here for someone else need
    While rebooting to recovery release power button once splash screen appear, then it will boot to recovery.
    This is bootloader bug, and not all roms are affected.

    Sent from my GT-N7000 using xda premium
    View
    1
    B
    binky1
    Unknown Upload Mode...can't access Download mode

    To access download mode from "Power Reset or Unknown Upload Mode" screen...

    remove the battery
    <pause>
    --do not touch the power button--
    replace battery while holding Vol button.
    (Hold both volume keys)
    Plug in USB (still holding Vol keys).
    View

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