Download mode on Three UK devices - Samsung Galaxy S10 Questions & Answers

Anyone on 3 branded S10 able to access Download mode? I keep trying and the phone just reboots. I can access Recovery just fine.
Edit: Seems they've changed how to access download mode on the S10. Now you have to boot into recovery then select reboot to bootloader. The Volume down + Bixby + Power button doesn't work.
On to removing 3 firmware and putting generic UK firmware on the device.

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[Q] Bootloader/Download Mode

Quick newbie question is the Bootloader mode option in QuickBoot app Download mode or something completely different?
A little confused between Bootloader mode and Download mode.
Thanks for your help
coldhandz said:
Quick newbie question is the Bootloader mode option in QuickBoot app Download mode or something completely different?
A little confused between Bootloader mode and Download mode.
Thanks for your help
Click to expand...
Click to collapse
Bootloader mode: To access this mode, turn off the SGS, and then press VOL UP + HOME pressed while pressing Power. Then you will enter recovery mode.
In recovery mode you can wipe the system and you can flash a file named update.zip (if you have installed a such file in the root directory of the internal memory). These update.zip files are usually made to root or modify the SGS, and if you want to install a custom ROM, it might be necessary.
If you have installed another recovery image, the bootloader/recovery menu might have some extra features, i.e. nandroid backup and access to other settings.
Download mode: To access this mode, turn off the SGS, take out SIM and SD card, then press VOL DOWN + HOME pressed while pressing Power. Then you will enter recovery mode. Then the phone will say "downloading", and then you should connect the USB cable to a PC running the Odin firmware tool. Read more about Odin and firmwares on samfirmware DOT com
Disclaimer: Not every SGS has this 3-buttom combo - if not, search forum for "3-buttom combo fix"
Hope this helps you.
Sparkle1975 said:
Bootloader mode: To access this mode, turn off the SGS, and then press VOL UP + HOME pressed while pressing Power. Then you will enter recovery mode.
In recovery mode you can wipe the system and you can flash a file named update.zip (if you have installed a such file in the root directory of the internal memory). These update.zip files are usually made to root or modify the SGS, and if you want to install a custom ROM, it might be necessary.
If you have installed another recovery image, the bootloader/recovery menu might have some extra features, i.e. nandroid backup and access to other settings.
Download mode: To access this mode, turn off the SGS, take out SIM and SD card, then press VOL DOWN + HOME pressed while pressing Power. Then you will enter recovery mode. Then the phone will say "downloading", and then you should connect the USB cable to a PC running the Odin firmware tool. Read more about Odin and firmwares on samfirmware DOT com
Disclaimer: Not every SGS has this 3-buttom combo - if not, search forum for "3-buttom combo fix"
Hope this helps you.
Click to expand...
Click to collapse
Hi Sparkle1975, I've searched the forums and read many times what you have copied and pasted.
In your answer you say that Bootloader mode is Recovery Mode.
(Bootloader mode: To access this mode, turn off the SGS, and then press VOL UP + HOME pressed while pressing Power. Then you will enter recovery mode.)
Within the app Quickboot it offers the options of reboot, recovery, bootloader and power off. Recovery and Bootloader appear to be different options.
Sparkle1975 said:
Disclaimer: Not every SGS has this 3-buttom combo - if not, search forum for "3-buttom combo fix"
Click to expand...
Click to collapse
Just in case anyone else has the same problem as me:
For me VOL UP works, so I can get in to update mode, but VOL DOWN (download mode) does not work. If I enter update mode, then hold power until it reboots, quickly presses VOL DOWN+HOME (but not power) it enters download mode.
A few more steps, but it works.
Official swedish 2.3.3 firmware in mine.
Edit: This was tested a few times with the SIM and SD out. I haven't tried it with them in.

s5830v unable to enter into recovery mode and downloading mode.

This phone is from Australia, locked to carrier Vodafone.
the version is s5830v.
I want to flash the ROM I need, but the first thing is that
I am unable to use the button "Home+Power" into recovery mode,
and "Home+ Power+Volume Down" into downloading mode.
Every time I tried to use these buttons, the result is go into the system straight away, just like turn the power on.
I assume this function keys is disable by the carrier.
Is there any way I can regain these back.
Thank you all.
nobody knows?
it seems a tricky problem.
Try power + home + volume UP.

Problem with Download Mode

Long story short, I have the I8190L version of the phone, currently on stock ROM. I got the phone a few weeks ago and I have rooted it right away, there were no problems while rooting, I used the Galaxy S3 mini toolkit and used the "Flash Insecure Boot Image and Root device" option, with SuperSU 1.25. Fast forward to right now, I want to install CyanogenMod, so I went and tried to boot my phone into Download Mode, to try and flash CWM recovery in order to install the Cyanogen ROM, but I simply can't start download mode, when connected to the USB pressing the Vol up + menu + power sequence, the phone just starts normally (The OS will load completely). adb reboot download doesn't work too, vol up + vol down + power and plugging in the usb cable doesn't work.. I did several hard resets and I removed root too, noone of those worked. I don't know if that is relevant, but I installed a patched google play (4.1.10 Chelpus version), I could not find a way to remove that. I can't reroot too because I would need to start my phone in download mode. Anyone knows what is happening?
Gin123 said:
Long story short, I have the I8190L version of the phone, currently on stock ROM. I got the phone a few weeks ago and I have rooted it right away, there were no problems while rooting, I used the Galaxy S3 mini toolkit and used the "Flash Insecure Boot Image and Root device" option, with SuperSU 1.25. Fast forward to right now, I want to install CyanogenMod, so I went and tried to boot my phone into Download Mode, to try and flash CWM recovery in order to install the Cyanogen ROM, but I simply can't start download mode, when connected to the USB pressing the Vol up + menu + power sequence, the phone just starts normally (The OS will load completely). adb reboot download doesn't work too, vol up + vol down + power and plugging in the usb cable doesn't work.. I did several hard resets and I removed root too, noone of those worked. I don't know if that is relevant, but I installed a patched google play (4.1.10 Chelpus version), I could not find a way to remove that. I can't reroot too because I would need to start my phone in download mode. Anyone knows what is happening?
Click to expand...
Click to collapse
are you connecting your phone to PC before you go to download-mode???
try this: download-mode (Vol up + Menu + Power) and now connect your device with your computer!
flash CWM or whatever you want...
HTH
JackoMJ
That did not work, when it is about to go to download mode it seems that it fails and either boots the OS or just turns off (depends on how much I hold the buttons), and since adb reboot download doesn't work I think something got corrupted (adb finds the device and reboots it, but it just starts up normally).
I'm not sure why, but noone of the articles I read mentioned the actual CORRECT download mode sequence, which is: Volume Down + Home + Power buttons, and then click on Volume Up, it is working now. Thanks.
Gin123 said:
Long story short, I have the I8190L version of the phone, currently on stock ROM. I got the phone a few weeks ago and I have rooted it right away, there were no problems while rooting, I used the Galaxy S3 mini toolkit and used the "Flash Insecure Boot Image and Root device" option, with SuperSU 1.25. Fast forward to right now, I want to install CyanogenMod, so I went and tried to boot my phone into Download Mode, to try and flash CWM recovery in order to install the Cyanogen ROM, but I simply can't start download mode, when connected to the USB pressing the Vol up + menu + power sequence, the phone just starts normally (The OS will load completely). adb reboot download doesn't work too, vol up + vol down + power and plugging in the usb cable doesn't work.. I did several hard resets and I removed root too, noone of those worked. I don't know if that is relevant, but I installed a patched google play (4.1.10 Chelpus version), I could not find a way to remove that. I can't reroot too because I would need to start my phone in download mode. Anyone knows what is happening?
Click to expand...
Click to collapse
dwnload mod: vol down + menu + power
recovery mod: vol up + menu + power
push till it vibrates and 2-3 sec longer...
oh you solved it already sry
Gin123 said:
I'm not sure why, but noone of the articles I read mentioned the actual CORRECT download mode sequence, which is: Volume Down + Home + Power buttons, and then click on Volume Up, it is working now. Thanks.
Click to expand...
Click to collapse
Well if you looked at the screen you would know what to press after vol down+home+power
oh my God,
you are all right.
i mixed up step one and two of Download-Mode - sorry
first you have to push Vol Down + Menu + Power (few seconds)
start odin as admin
second you connect your device to PC
third you push Vol Up
fourth you flash via Odin.
I often flash ROMs via Odin and / or use CWM so that works automatically ....
JackoMJ

[Q] Can't boot into download mode [International Version]

I have the international version of the Note 4. I'm trying to root it but I can't go into download mode. When I try the Vol Down + Power + Home button combo it brings me to a Factory mode with Chinese text that I don't know how to read. I can boot into recovery mode just fine though.
Is there some weird way to do it on the international version of the Note 4 to bring it to download mode?

stuck at boot screen verizon

tried to update using sd card and oreo update after doing factory reset.
1. was on stock 2BQK2
2. downloaded BQK2 (N OS) to CQL1 (OREO).zip added to sd
3. did fsactory reset from recover
4. then went up to update from recovery. ran the file above.
5. when i rebooted i get stuck on boot screen
steps taken.
1. hold down bixby and up volume then power ....does nothing
2. hold down just power does nothing
3. hold down bixby vlume up and power does nothing
4. hreboots back yo boot screen then stops on boot screen
5. hold down volume then power 7 seconds until screen turns black and just before she reboots i let go of volune down and power then immidiately hold down volume again without power button, this seems to torn off phone.
so as you see i cant get into download, recovery or safe mode. just start to boot screen or off
please i know i want to odin stock filmware back but cant seem to get phone into download mode.
i,m tired and most likly nissed an important step help please.
I do no see where you tried download mode... Hold volume down bixby and power for about 2min. That will get you to download
Ok I can get it in download mode
I get Odin to recognize.
Fill up the slots
BL
AP
CL
CSC?
USM
Using latest Verizon .
I eitther get stuck on setup initialize or
Update fail.
pospower said:
Ok I can get it in download mode
I get Odin to recognize.
Fill up the slots
BL
AP
CL
CSC?
USM
Using latest Verizon .
I eitther get stuck on setup initialize or
Update fail.
Click to expand...
Click to collapse
if you get stuck at setup connection or initialize try a different usbport/cable/computer

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