Hello everyone! the problem is on the galaxy a30s
1.- I can enable the developer options, when I try to enable it gives me a message that the developer options were enabled but the section does not appear!
2.- at the time of wanting to enter in the download mode with the keys while, cell phone off, volume + - and connect usb type c to the computer only charging appears on the screen.
3.-In another attempt to enter in the download mode, i use the recovery options and select the download mode, the phone restarts in the system and not in download mode.
4.- already tried to restore to factory mode from the recobery but it tells me that mdm does not allow it and the phone is restarted in the system, I have my account registered in the phone, does not allow me to factory reset or encrypt the phone, when I select it encrypt appears enabled but then it is automatically disabled
Any suggestion will be welcome, already try disconnecting the battery vol + - and connecting the cable, but do not enter the download mode either, any option to use jig mode?
thanks for your time and regards.
To boot into Download Mode boot into Recovery Mode. And select Bootloader
Related
Dear all,
[Update 1/1/2013]
- I've just found that my tab cannot boot after restart to download mode, recovery mode. Everywhen I try to do that, it will do nothing (display nothing, cannot charge, cannot hard shutdown....). Even I try to boot download mode by adb or Power + vol down, the result is nothing. However, when I shutdown and then press and hold Power button 3 section, it will boot to android normally.
My P6800 have problem I haven't met before:
IT CAN:
- run normally. But, when turn on device, I have to try press the power button sometime and wait about 2 to 3 mins (normally, it has to on right after press power)
- In off state, it could be charge normally when I plugin the cable (I see the battery progress bar)
IT CANNOT:
- Factory reset, update firmware: when I try to factory reset or update firmware (by OTA),after It turn off, it never turn on (don't display anything). Until I try to hard turn off (hold power). Then, no thing change.
- Enter download mode: Turn off device, and try to hold "Power+volume up" or "Power+volume down". But screen still dark.
I think there is some problem with the download or recovery mode. But I dont know to fix it.
I've got a Galaxy Tab 7.7 (WIFI/3G) P6800 from my brother. And he talk that He had flashing wrong fimrware (flash firmware of other model) 1 time.
This device hasnt root yet.
I need your help to fix this issue and able to flash stock or custom rom.
Thank you.
try to enter those mode via adb... so you need to have adb on your pc. so download this files and extract it to C:\adb
http://www.mediafire.com/?u84ejv5u5k49opx
with your device usb debugging mode is on. connect it to pc.
enter command prompt in windows (start menu ---> run --> type cmd and enter)
on command prompt you need to type.
cd c:\adb
adb reboot download (if want to go to download mode)
adb reboot recovery (if want to enter recovery mode)
btw... did the current device have root?
This device hasnt root yet. I'll try your suggest and let you know result.
Thanks.
[Update 1/1/2013]
- I've just found that my tab cannot boot after restart to download mode, recovery mode. Everywhen I try to do that, it will do nothing (display nothing, cannot charge, cannot hard shutdown....). Even I try to boot download mode by adb or Power + vol down, the result is nothing. However, when I shutdown and then press and hold Power button 3 section, it will boot to android normally.
Hello, i need to enter download mode to flash new os but nothing happen - phone boot normaly. I try combo with 3 buttons vol down + home+power, also vol down + usb jig, also any other key combination but without success! I also enable OEM unlock, but this nothing changes. I can only boot normal to os, or enter in recovery mode, but not in download mode!
Earlier a phone has installed app Mobicontrol - with lock of many options to end user, but i recovered his to factory setings and now it is clean(but network branded) Android 7 on it.
Anybody can help ? Thanks!
I formatted data and flashed Quantum Stock ROM (did not flash "RMM bypass zip"). After starting the phone once I tried to install a GSI (Treble) ROM. Disaster.
The phone is softbricked(?).
1. If connected to power source or PC the phone keeps restarting.
2. If no cable is attached, after powering on it shows logo and then switches off.
3. Cable connected or not connected, no matter which combination of buttons I press I just CANNOT enter recovery or bootloader mode.
Please advice on how to proceed. Thank you. :fingers-crossed:
Solution:
When the phone is powered off, hold VOL UP + VOL DOWN and insert the usb cable that is connected to a PC.
A screen will appear giving option to enter "download mode" by pression VOL UP. Do it.
Now the phone is in download mode.
Use ODIN to flash the latest firmware.
English is not my first language
I'm with the same issue!! I already flash the latest firmware but doesn't worked.
Hi guys,
I rooted my phone successfully, then I wanted to unroot and before flashing factory from I enable bootloader and now the phone screen is
Security error: This phone has been flashed with unauthorized software & is locked. Call your mobile operator...
And at the top of the screen, there is
Only official released binaries are allowed to be flashed : vbmeta
I try to enter in download mode volume + volume - USB cable and nothing.
I can't exit this screen to flash factory rom.
Any idea how to exit the screen?
I appreciate your help.
Thanks
Make sure yu force reboot your phone then swith to download mode fast to enable download mode
Fixed, needed to move the USB cable to the PC from USB 3.0 to USB 2.0 and it worked, I was able to switch to download mode.
I have a Samsung A51 with MDM lock & passcode lock. Andriod Version 10.
Device cannot enter download mode, cannot reboot to bootloader, cannot factory reset also.
How do I remove the MDM lock on this device, or is there a way I can force this device to download mode?
To force download mode:
Power device off completely with no cables connected
Plug a USB cable into your PC, do not yet connect your phone
Hold both Volume + and - buttons, do NOT press Power, and while holding them plug in the USB cable
Device should start with a prompt, follow the instructions to enter download mode