Download mode crashed - Android Q&A, Help & Troubleshooting

Hello Guys,
I crashed my donloade mode, always i say in recovery: "reboot bootloader" to get to the download mode the screen gets black and a green font appears, that says: "Entering fastboot...." nothing is happening anymore, i cant get on it with fastboot. With adb i can controll the phone, please help me. ( Samsung Galaxy A51, Locked, no PIN to get in the developer settings
Kind Regards
Janik

Raoadrunner said:
Hello Guys,
I crashed my donloade mode, always i say in recovery: "reboot bootloader" to get to the download mode the screen gets black and a green font appears, that says: "Entering fastboot...." nothing is happening anymore, i cant get on it with fastboot. With adb i can controll the phone, please help me. ( Samsung Galaxy A51, Locked, no PIN to get in the developer settings
Kind Regards
Janik
Click to expand...
Click to collapse
Have you tried different guides how to enter into download mode?
Download Mode SAMSUNG Galaxy A51, how to - HardReset.info
The whole list of secret codes for your device. Check out how to get access to hidden mode, advanced features and secret options.
www.hardreset.info
A515f Has no Download mode
Hey Guys. I've a big Problem. I have the sm a515f and i want to Flash the custom recovery but i dont have the download Mode, it's not existing. No matter the way i choose ,the Phone don't wann bot in to the download Mode. If i boot to the...
forum.xda-developers.com
Most of the time, I am also using adb to boot into download mode.
"adb reboot download"

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It is highly unusual for the phone to boot to the Samsung screen, but not be able to access download mode. Are you sure? Please describe in detail what method you are using to access download mode.

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(Sorry for my bad english)
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Looks like you flash a firmware for the wrong model? Without download mode you are stuck, sorry. Never heard of ramdump mode.

[HELP] VIVO Y31 Get A Problem

Anyone can help me? ​My device is vivo y31 had looped. May be because the file I installed is false. And now, my device can not active / turn on normally, just stoped in logo vivo, then the device turned off, and turned on again, continued like that. And now, my device can not enter to recovery mode, just can enter to fastboot mode Anyone can fix my problem? Thanks
Ryzaldian said:
Anyone can help me? ​My device is vivo y31 had looped. May be because the file I installed is false. And now, my device can not active / turn on normally, just stoped in logo vivo, then the device turned off, and turned on again, continued like that. And now, my device can not enter to recovery mode, just can enter to fastboot mode Anyone can fix my problem? Thanks
Click to expand...
Click to collapse
You need to unlock the bootloader, install custom recovery and install android again

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