Database Users

[Info] Guide to entering safe mode, bootloader, stock recovery

Yes, I know, everyone knows how to enter safe mode, bootloader, and recovery.
I found there are some inconsistencies to entering and using recovery depending on your which software you are running. In addition there are multiple ways of entering stock recovery.
Also I always see people asking this question because somehow the keypress order is not intuitive.
Entering Safe Mode
Tablet booted and running Android
Press/Hold Power button until power menu shows up
Tap/Hold Power off option
Choose OK to reboot in safe mode
Tablet powered down
Press/Hold Power button until Google screen shows up, RELEASE Power button
Press/Hold VolDn until Android has booted up
If successful, you will see Safe mode overlayed on bottom left of screen.
Entering Bootloader (ie fastboot mode)
Tablet booted and running Android
From adb
adb reboot bootloader
can also choose recovery from menu after bootloader comes up
From app
Use Quick Boot from Google Play
Tablet powered down
Power+VolDn while booting to enter bootloader
Release buttons after you see bootloader screen
Entering Stock Recovery
Tablet booted and running Android
From adb
adb reboot recovery
From app
Use Quick Boot from Google Play
Tablet powered down
Power+VolUp while booting to enter recovery
You can release buttons after you see Google on screen
When Stock Recovery starts you will see the Android fallen down screen
To bring up the Recovery menu
Power+VolUp to show recovery menu
Must be this sequence Press/Hold Power, THEN Press/Release VolUp, release Power
Within menu
VolUp to move up
VolDn to move down
Power to select
In addition, I found an inconsistency with JSS15J stock recovery that wasn't in the JWR66N recovery
While at the Android fallen down screen if you mistakenly press
VolUp
instead of
Power+VolUp
you will still get the Recovery menu.
However, VolUp will no longer function. It will instead become a toggle for switching between the Recovery menu and the Android fallen down screen
Android fallen down screen
VolUp to toggle recovery menu
Within menu
VolUp does not work since it toggles recovery menu
VolDn to move down
Power to select

sfhub said:
Entering Stock Recovery
Tablet booted and running Android
From adb
adb reboot recovey
Click to expand...
Click to collapse
Are you sure with this command. I think it must be => adb reboot recovery <= or am I wrong ???

pRo_lama said:
Are you sure with this command. I think it must be => adb reboot recovery <= or am I wrong ???
Click to expand...
Click to collapse
Sorry, typo, fixed.

i`m on completely stock JSS15Q and i cant get into stock recovery. When im trying i see "no command" and red exclamation mark on the laying robot. What should i do?

laska300 said:
i`m on completely stock JSS15Q and i cant get into stock recovery. When im trying i see "no command" and red exclamation mark on the laying robot. What should i do?
Click to expand...
Click to collapse
sfhub said:
Entering Stock Recovery
Tablet powered down
Power+VolUp while booting to enter recovery
You can release buttons after you see Google on screen
When Stock Recovery starts you will see the Android fallen down screen
To bring up the Recovery menu
Power+VolUp to show recovery menu
Must be this sequence Press/Hold Power, THEN Press/Release VolUp, release Power
Within menu
VolUp to move up
VolDn to move down
Power to select
Click to expand...
Click to collapse
Please see RED section

Does the presence or absence of the red exclamation triangle mean anything?

Wot does safe mode do?

Anderson2 said:
Does the presence or absence of the red exclamation triangle mean anything?
Click to expand...
Click to collapse
I don't remember if there are two images one with and one without the triangle. I think I've only seen the image with the red exclamation point.
I've never seen anything to indicate the red exclamation mark is something you need to pay attention to.
Now if you apply an update and there is an error, then that is something I would pay attention to.

LoVeRice said:
Wot does safe mode do?
Click to expand...
Click to collapse
It doesn't load the stuff you added.
It is similar to safe mode on a PC, used to diagnose whether the issue is in the stock ROM or is in something you introduced by installing some app.

I Have a probleme
since a bought TAB 3 10.1 and it's boot into safe mode i'v restart it and turrn it off the back on but it didn't go what should i do ?

This thread is about nexus 7.

sfhub said:
This thread is about nexus 7.
Click to expand...
Click to collapse
oh sorry i was panic so i searched in every thing

Bootloader
If none of that works, try the command with a dash "adb reboot-bootloader" Depends on your device sometimes, sometimes unplugging your device right after you enter this command will keep it from getting stuck at the boot logo screen. If that doesn't work, hold the power button to power device down and then boot it into recovery instead using the button combo. Then you can wipe cache & start all over again.

I'm not even able to get into Recovery. I can get to the bootloader, then I select "Recovery mode" and it shows the Google logo, but it never goes into recovery. I have let it sit at the Google logo for a couple of hours, and end up just holding down the power button to shut it down.
I have tried Skipsofts toolkit, as well as Wug's, to try to unlock the bootloader. This ends up with the device hanging at the "Unlock bootloader" screen after selecting "Yes". Again, I have left it in this state for well over an hour with no change.
Here's some info on my 2013 Nexus 7:
KitKat 4.4.4
Never rooted
Never unlocked bootloader
HW version rev-e
Bootloader version FLO-04.02
I suspect my Nexus knew I was supposed to go on travel next week and is faking sick.
Any help would be appreciated. Thanks.

Hi guys i have a google nexus 5 and it is locked state. It is getting booted again and again but it jiust reaches google logo and again restarts. Safe boot is also enabled so i cant enter in recovery mode also. Please help me ASAP.

[Q] help: nexus fast boot mode not visible; stuck in bootloop

Hi there,
Just bought a N10 and via nexus toolkit attempted to unlock it. That is all I have tried, as far as I know. It is now stuck in a bootloop. I have read as much as I can find about the need for a factory reset to continue. I tried to boot into fastboot mode to achieve this but like others my fastboot screen is NOT visible.
e.g.
http://forum.xda-developers.com/showthread.php?t=2018777
simply unlocking did not give me the option, via nexus root tool kit, to add a custom recovery so the solution provided in the link above is no help. I have tired used nexus root tool kit to flash stock + unroot in case that wold help but its says the device is not connected.
Please help!

dr_robut said:
Hi there,
Just bought a N10 and via nexus toolkit attempted to unlock it. That is all I have tried, as far as I know. It is now stuck in a bootloop. I have read as much as I can find about the need for a factory reset to continue. I tried to boot into fastboot mode to achieve this but like others my fastboot screen is NOT visible.
e.g.
http://forum.xda-developers.com/showthread.php?t=2018777
simply unlocking did not give me the option, via nexus root tool kit, to add a custom recovery so the solution provided in the link above is no help. I have tired used nexus root tool kit to flash stock + unroot in case that wold help but its says the device is not connected.
Please help!
Click to expand...
Click to collapse
update:
following this
https://support.google.com/nexus/answer/2935993?hl=en
I can get as far as "You should see an image of an Android with a red exclamation point."
but then the instructions are less useful to the blind (at this point the screen is still blank)

dr_robut said:
update:
following this
https://support.google.com/nexus/answer/2935993?hl=en
I can get as far as "You should see an image of an Android with a red exclamation point."
but then the instructions are less useful to the blind (at this point the screen is still blank)
Click to expand...
Click to collapse
If you have gotten this far (with the red exclamation mark) then you are only a step away from the Stock Recovery Mode. Press "Power" and "Vol Up" key at the same time.. and you will get to the Stock Recovery Mode. Also, I need to know if you used the "Power" and "Vol Up and Down" buttons to go the "bootloader" screen, OR you used the ADB commands to do that???

mfaisal98 said:
If you have gotten this far (with the red exclamation mark) then you are only a step away from the Stock Recovery Mode. Press "Power" and "Vol Up" key at the same time.. and you will get to the Stock Recovery Mode. Also, I need to know if you used the "Power" and "Vol Up and Down" buttons to go the "bootloader" screen, OR you used the ADB commands to do that???
Click to expand...
Click to collapse
hello
i have the same issue
the fastboot mode is not visible
how can i fix it?
Jakob

[Q] Bootloop, cant get into fastboot

Hi
I rooted my nexus 10 some months ago. All worked fine until yesterday. I wanted to go back to original firmware and used the WUGs nexus root toolkit to download 4.4.3 version and flash it. But afterwards the tablet doesnt boot anymore. Google logo appears and then the circle thing never goes away. I searched many threads, and all base on going into fastboot and flash again, but thats the problem. I cant get into fastboot. The usual combination (Power and vol+ and vol-) doesnt work! I tried many other combinations with different timings, longer press only vol+ and power ...., I always get to google logo after it vibrates.
Is there any other way to get into the fastboot mode ?
Can I connect it to the computer and interrupt the boot process when I switch it on via the PC?
thanks in advance
regards
Erich

Try to connect it to PC with original usb cable and run "adb devices".
If you see Nexus device, you can try "adb reboot recovery" and upload a ROM to /sdcard with "adb push" for flash it.

Hi
Thanks for your relpy.
But thats the problem, even if I could upload a file with adb, which is not working, how would I flash it if I cant get into fastboot or recovery mode ???
thanks anyway
regards
Erich

I think what patzzz is saying is that it depends on your bootloop, often is the case that when someone is in a bootloop the kernel does initiate and adb is functional. Not always but at times for sure.
So if so you can attempt
adb reboot recovery
Or
adb reboot bootloader
If the above doesn't work than you will have to continue trying to boot to bootloader manually with key presses (which I believe is power on while holding volume down)
Best of luck!

Hi
Thanks for the tip. Unfortunately it doesnt work. It made a batch file which calls adb devices and adb reboot bootloader in a loop, so it can send it to the device if it is found, but the tablet isnt regonized, tried some reboots and no luck, adb cant find it )))-:
regards
Erich

It seems a brick, but you can try using fastboot command instead of adb:
Code:
fastboot devices
fastboot reboot-bootloader

hundsmiachn said:
Hi
I rooted my nexus 10 some months ago. All worked fine until yesterday. I wanted to go back to original firmware and used the WUGs nexus root toolkit to download 4.4.3 version and flash it. But afterwards the tablet doesnt boot anymore. Google logo appears and then the circle thing never goes away. I searched many threads, and all base on going into fastboot and flash again, but thats the problem. I cant get into fastboot. The usual combination (Power and vol+ and vol-) doesnt work! I tried many other combinations with different timings, longer press only vol+ and power ...., I always get to google logo after it vibrates.
Is there any other way to get into the fastboot mode ?
Can I connect it to the computer and interrupt the boot process when I switch it on via the PC?
thanks in advance
regards
Erich
Click to expand...
Click to collapse
I suggest you do a factory reset from the stock. You have gone back to stock firmware so you should have stock recovery. I had this happen once and this work for me.

Hi
I will try it with fastboot too, maybe it works....
How can I do a factory reset without recovery mode ?
thanks
regards
Erich

hundsmiachn said:
Hi
I will try it with fastboot too, maybe it works....
How can I do a factory reset without recovery mode ?
thanks
regards
Erich
Click to expand...
Click to collapse
https://support.google.com/nexus/answer/4596836?hl=en
1.If your tablet is on, turn it off.
2.Press & hold the Power, Volume Up, and Volume Down buttons at the same time for several seconds. You'll see the word "Start" with an arrow drawn around it.
3.Press the Volume Down button twice to highlight Recovery mode.
4.Press the Power button to start Recovery mode. You'll see an image of an Android robot with a red exclamation point and the words "No command."
5.While holding down the Power button, press the Volume Up button.
6.Use the volume buttons to scroll to "Wipe data/factory reset," then press the Power button to select it.
7.Scroll down to "Yes - erase all user data," then press the Power button to select it.

>>2.Press & hold the Power, Volume Up, and Volume Down buttons at the same time for several seconds. You'll see the word "Start" with an arrow drawn around it.
Thats the problem, it doesnt work! Tried it a dozent times, only Google logo appears.....
regards
Erich

hundsmiachn said:
>>2.Press & hold the Power, Volume Up, and Volume Down buttons at the same time for several seconds. You'll see the word "Start" with an arrow drawn around it.
Thats the problem, it doesnt work! Tried it a dozent times, only Google logo appears.....
regards
Erich
Click to expand...
Click to collapse
Are your volume keys even working?
Sent from my Nexus 10 using Tapatalk

Delete

Can't get into recovery mode

Here's my problem.
I can't get into recovery by pressing the power up, home, power buttons. It says it's 'entering recovery', but then it gives another 'buzz' (like when the phone starts), and just reboots normally.
I used to be able to get into recovery with ROMManager, by selecting the 'boot into recovery'. Then I just got into my CWM and could do whatever I wanted. Now I can't do that anymore, probably because my device is not rooted atm (got CM12 on it though). I wanted to root it, but I can't get into recovery.
I already tried flashing TWRP with Odin (download mode does work), but that doesn't work either. I obviously searched google and XDA for the problem, and I saw suggestions for other phones, like updating the bootloader. But I can't find any information or files for updating the bootloader.

sebas156 said:
Here's my problem.
I can't get into recovery by pressing the power up, home, power buttons. It says it's 'entering recovery', but then it gives another 'buzz' (like when the phone starts), and just reboots normally.
I used to be able to get into recovery with ROMManager, by selecting the 'boot into recovery'. Then I just got into my CWM and could do whatever I wanted. Now I can't do that anymore, probably because my device is not rooted atm (got CM12 on it though). I wanted to root it, but I can't get into recovery.
I already tried flashing TWRP with Odin (download mode does work), but that doesn't work either. I obviously searched google and XDA for the problem, and I saw suggestions for other phones, like updating the bootloader. But I can't find any information or files for updating the bootloader.
Click to expand...
Click to collapse
Reboots trying to go custom recovery are normal sometimes.
Lil guide for enter custom recovery (TWRP):
1. Power off your device completely.
2. Press and hold Volume Up, Home and Power buttons simultaneously.
3. Release only the Power button when the logo of Samsung in white appears (you will see little letters in blue and red on the top left of the screen).
4. You will see the blue logo of TWRP (pic attached) then and you can release all buttons and start to navigate for the custom recovery.

Joku1981 said:
Reboots trying to go custom recovery are normal sometimes.
Lil guide for enter custom recovery (TWRP):
1. Power off your device completely.
2. Press and hold Volume Up, Home and Power buttons simultaneously.
3. Release only the Power button when the logo of Samsung in white appears (you will see little letters in blue and red on the top left of the screen).
4. You will see the blue logo of TWRP (pic attached) then and you can release all buttons and start to navigate for the custom recovery.
Click to expand...
Click to collapse
Thanks for the reply, but I don't think you understood my question. I know how to get into recovery when it all works. I've done it many times before. The problem is that it shuts down while booting into recovery, and then just reboots normally.
I only installed TWRP because CWM wouldn't work, but TWRP doesn't either. So I guess it has to do with how the device boots into recovery, regardless of what the recovery is.

Anyone? I kinda want to flash another ROM, but I'm unable to right now.

sebas156 said:
Anyone? I kinda want to flash another ROM, but I'm unable to right now.
Click to expand...
Click to collapse
hi
Check your power button.....it happened before , a defective power botton will make it hard to enter recovery or download mode

MAX 404 said:
hi
Check your power button.....it happened before , a defective power botton will make it hard to enter recovery or download mode
Click to expand...
Click to collapse
I don't think that's the problem. I have 0 issues with the power button. Also, when I try to boot into recovery, it actually says it's 'starting recovery'. Then it stops with a buzz and reboots.

sebas156 said:
I don't think that's the problem. I have 0 issues with the power button. Also, when I try to boot into recovery, it actually says it's 'starting recovery'. Then it stops with a buzz and reboots.
Click to expand...
Click to collapse
may be one of the other push buttons.....
try to get into recovery with out pressing the power button and see if is possible...if so then the problem is coming from there.

N7 (tilapia) stuck at logo - no fastboot access ...

Hello everybody,
I hope somebody can help me to save my N7 (2012).
I installed TWRP without problems and after that I tried to flash a custom rom - which, for some reasons, didn't work.
After reboot my Nexus is stuck at Google logo with an opened lock at bottom...
I can't get to fastboot because when I power on while pushing VOL - button it just get stuck at the same logo screen.
If I keep power button pressed for about 10s, it shuts down but after a few seconds it boots again just to get stuck again at the logo screen...
The only way to shut it down completely is to keep VOL+ button pressed while pressing the power button.
My Windows 7 computer won't recognize the N7 at all anymore, but when I shut it down completely (Power & VOL+), windows says "Unknown device".
Is my Nexus still to be saved or I can throw it away?
Thank you in advance for each advice.
Conrad

Conrad-007 said:
Hello everybody,
I hope somebody can help me to save my N7 (2012).
I installed TWRP without problems and after that I tried to flash a custom rom - which, for some reasons, didn't work.
After reboot my Nexus is stuck at Google logo with an opened lock at bottom...
I can't get to fastboot because when I power on while pushing VOL - button it just get stuck at the same logo screen.
If I keep power button pressed for about 10s, it shuts down but after a few seconds it boots again just to get stuck again at the logo screen...
The only way to shut it down completely is to keep VOL+ button pressed while pressing the power button.
My Windows 7 computer won't recognize the N7 at all anymore, but when I shut it down completely (Power & VOL+), windows says "Unknown device".
Is my Nexus still to be saved or I can throw it away?
Thank you in advance for each advice.
Conrad
Click to expand...
Click to collapse
Hi, Conrad-007...
This is very strange - your Nexus 7 is clearly 'bootable' (sort of), with a functioning bootloader, ie., it's not hardbricked... or you wouldn't be seeing the Google logo.
In the distant past, back when I used to experiment with custom kernels on my Nexus 7, it sometimes required the POWER BUTTON+VOL DOWN buttons be pressed and held down for a good 30 seconds or more, to generate the necessary 'interrupt', and force the device into the bootloader.
My first instinct, is to suggest you may possibly have a problem with your VOL DOWN button, and maybe it's stuck somehow or not making contact.
It also occurred to me, that you might be able to access the bootloader with...
Code:
adb reboot bootloader
...or possibly...
Code:
adb reboot fastboot
...and even...
Code:
adb reboot recovery
But unfortunately, I'm pretty sure you need to be running fully booted Android or booted into a custom recovery (eg., TWRP) before you can issue ADB commands. I haven't tinkered around in this area of Android for a couple of years now, so my memory of the specifics is a little hazy.
Anyhow, here's a fairly comprehensive listing of Nexus 7 button presses/interrupts, which maybe of some use...
https://forum.xda-developers.com/showthread.php?p=37606945#post37606945
--------------------------------
Anyway, just some thoughts that might give you some clues/ideas, that may resolve your problem.
Good luck, and I hope you find something that works.
Rgrds,
Ged.

Thanks Ged for the detailed answer.
Unfortunately it seems that my Nexus is not booting complete (not finishing the booting sequence due to corrupted bootloader?) and so I cannot send to it any adb or fastboot command...
I read in the meantime that holding the VOL up button while powering up the Nexus, it will bring it in the APX mode (whatever this mean) and indeed, my computer recognize it as "APX" device.
I hope at least that this is a good sign and a first step to bring my Nexus back to life... but I have no idea what is the APX mode and what can I do in this mode to attempt to save my device...
Do you (or somebody else) have (has) an advice or tutorial for me concerning this?
Regards,
Conrad

Hi Conrad.
I'm in exactly the same situation (I've mistakenly posted a duplicate thread here https://forum.xda-developers.com/nexus-7/general/bricked-tilapia-t4005149). Let's continue here. So:
1. I spent 4 hours trying all possible button press combinations, including VERY long presses. I didn't notice any APX device or Uknown device connected to Windows. I might have missed it, you gave me hope. I will check again.
2. APX mode enables low level access to the chipset via nVidia tool nvflash. You probably came accross these threads here on xda:
https://forum.xda-developers.com/nexus-7/general/tutorial-how-to-unbrick-nexus-7-using-t3342364
https://forum.xda-developers.com/showthread.php?t=2564615
https://forum.xda-developers.com/showthread.php?t=2455927
https://forum.xda-developers.com/showthread.php?t=2340237
I haven't so far, as I was not aware of the visibilty of the tablet in Windows. I will check again.

Well, I must have been blind not to have seen all the posts here on xda and everywhere else. I went through the threads and now I know:
1. I can see the tablet in APX mode in Windows. Possibly I could correctly set up the driver.
2. This would be totally useless, since I hadn't backed up necessary blob.
I have a new paperweight