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[Q] Cant get to recovery mode

Hello,
I'm trying to get the timeshift video mod working on my Z1 C6603, android version 4.2.2. The last step is to install the mod via recovery mode, which I can't boot to. I've tried the power + volume button method but it boots the phone into safe mode. Any ideas how I could get to recovery mode?

varsketis said:
Hello,
I'm trying to get the timeshift video mod working on my Z1 C6603, android version 4.2.2. The last step is to install the mod via recovery mode, which I can't boot to. I've tried the power + volume button method but it boots the phone into safe mode. Any ideas how I could get to recovery mode?
Click to expand...
Click to collapse
Yes, no problem!
If you're rooted (which I expect that you probably are), just open up (or download and install if you need to) Terminal Emulator and execute this command:
Code:
su
reboot recovery
Alternatively, if you don't have/don't want Terminal Emulator, if you connect your device to your PC via ADB, this command will get you into recovery mode, too:
Code:
adb shell
reboot recovery
Hope this helps! :good:

ИΘΘK¡€ said:
Yes, no problem!
If you're rooted (which I expect that you probably are), just open up (or download and install if you need to) Terminal Emulator and execute this command:
Code:
su
reboot recovery
Alternatively, if you don't have/don't want Terminal Emulator, if you connect your device to your PC via ADB, this command will get you into recovery mode, too:
Code:
adb shell
reboot recovery
Hope this helps! :good:
Click to expand...
Click to collapse
Thanks for your help.
Yes, the phone is rooted.
Terminal Emulator only rebooted the phone after a long pause and ADB tool says "operation not permitted". It's a work phone so it might have theft protection which blocks me from accessing recovery mode. Anything else I could try?

Try
adb reboot recovery

varsketis said:
Thanks for your help.
Yes, the phone is rooted.
Terminal Emulator only rebooted the phone after a long pause and ADB tool says "operation not permitted". It's a work phone so it might have theft protection which blocks me from accessing recovery mode. Anything else I could try?
Click to expand...
Click to collapse
Try:
Code:
adb shell
su
reboot recovery

root-expert said:
Try:
Code:
adb shell
su
reboot recovery
Click to expand...
Click to collapse
Hi,
Phone gets rebooted normally after doing this. Maybe it needs to get a custom recovery installed?

varsketis said:
Hi,
Phone gets rebooted normally after doing this. Maybe it needs to get a custom recovery installed?
Click to expand...
Click to collapse
When you type "su" does it changes the $ symbol to # ?
If you have # means that you have root access if not you don't have...

@varsketis, yes, a custom recovery should resolve your problem. I'd recommend either ClockworkMod or TWRP (TeamWin Recovery Project).
@root-expert, if varsketis didn't have root, when he executed these commands:
Code:
su
reboot recovery
-OR-
Code:
adb shell
su
reboot recovery
...he would have gotten an "Access denied" error. However, since he was able to get his device to reboot in some way or another using the shell, it means that he does have a root shell (#) usable.

[Q] Looking for a way to turn on USB Debugging on phone w/ smashed screen

Hi,
was using this guide online to try to recover and move stuff around in my Nexus5 while it is broken as far as i know this is a LCD problem not a digitiser problem.
http://www.techlife.net/2014/09/access-your-android-device-after-breaking-your-screen.html/
http://forum.xda-developers.com/showthread.php?t=2786395
ran into a problem that I can't turn on USB Debugging on my phone without being able to see what i am pressing.
According to the end of the guide it told me to flash a kernel with USB debugging enabled by default but I am unsure of what this means.
Rooted: No (I dont mind if i have to)
Fastboot: No idea
Installed ADB on computer: Yes

The custom kernel will need to have USB debugging ON by default/on boot. Usually through a custom initrc.

If you manage to get rooted, you could try:
androidscreencast

- Flash TWRP if you haven't already
- boot to recovery
- adb shell
- mount system
- edit build.prop
- reboot
- figure out adbkey.pub stuff
I have gone the same way, but could not get a screen display. It was on my wife's Gnex though. The rest works.
Now to get debian or something installed...ultralow power wireless server.

You need to install ADB/Fastboot to your PC
GO HERE
Then you can
Enable usb debugging via recovery using the following ABD commands:
Adb shell
echo "persist.service.adb.enable=1" >>/system/build.prop
echo "persist.service.debuggable=1" >>/system/build.prop
echo "persist.sys.usb.config=mass_storage,adb" >>/system/build.prop"
reboot

joegestes said:
You need to install ADB/Fastboot to your PC
GO HERE
Then you can
Enable usb debugging via recovery using the following ABD commands:
Adb shell
echo "persist.service.adb.enable=1" >>/system/build.prop
echo "persist.service.debuggable=1" >>/system/build.prop
echo "persist.sys.usb.config=mass_storage,adb" >>/system/build.prop"
reboot
Click to expand...
Click to collapse
OP, try this.

The two previous posts are forgetting you need usb debugging before you can adb shell.
Booting to recovery gives you access to your system and build.prop.

Bubble-be said:
The two previous posts are forgetting you need usb debugging before you can adb shell.
Booting to recovery gives you access to your system and build.prop.
Click to expand...
Click to collapse
recoveries have adbd enabled by default. what we're doing here is making the OS have adbd enabled.

Yes, we're on the same page there.
You can't just adb to your device to enable adb, get it ?
You need a way to access build.prop out of android, so booting to recovery will allow you this.
Just dugg up the link for the adbkey as well. http://forum.xda-developers.com/showthread.php?t=2408802

get a USB OTG cable and connect your mouse to your phone

Bubble-be said:
Yes, we're on the same page there.
You can't just adb to your device to enable adb, get it ?
You need a way to access build.prop out of android, so booting to recovery will allow you this.
Just dugg up the link for the adbkey as well. http://forum.xda-developers.com/showthread.php?t=2408802
Click to expand...
Click to collapse
Huh...
Even if display isn't coming on... You can 3bc to fastboot, press down twice (iirc) and press power. wait a few secs, custom recovery should be running.
`adb shell` .. out of android, adb running. profit.

I think the OP is not rooted, nor does he have a custom recovery.
In that case you will need boot temporarily into a custom recovery that will allow root ADB shell access.
Download the TWRP recovery image to you PC.
HERE
For simplicity, rename the file recovery.img
Place the renamed file in your \sdk\platform-tools folder on PC.
Turn off you phone and then hold volume up button while pressing power button to get into fastboot mode.
Then, open a command prompt from within the platform-tools folder and run the following command:
fastboot boot recovery.img
Your phone should reboot into TWRP recovery.
You can then run the ADB commands outlined in my first post to enable usb debugging:
Adb shell
echo "persist.service.adb.enable=1" >>/system/build.prop
echo "persist.service.debuggable=1" >>/system/build.prop
echo "persist.sys.usb.config=mass_storage,adb" >>/system/build.prop"
reboot
Best of luck

Bubble-be said:
The two previous posts are forgetting you need usb debugging before you can adb shell.
Booting to recovery gives you access to your system and build.prop.
Click to expand...
Click to collapse
This is incorrect.
I do not need usb debugging enabled to run ADB shell in custom recovery.
Bubble-be said:
Yes, we're on the same page there.
You can't just adb to your device to enable adb, get it ?
You need a way to access build.prop out of android, so booting to recovery will allow you this.
Just dugg up the link for the adbkey as well. http://forum.xda-developers.com/showthread.php?t=2408802
Click to expand...
Click to collapse
Huh
My post clearly stated via recovery
---------- Post added at 06:31 PM ---------- Previous post was at 06:13 PM ----------
4n3ver said:
get a USB OTG cable and connect your mouse to your phone
Click to expand...
Click to collapse
I've never tried this, but think you need to be rooted and install some hacks to get a mouse
to work via OTG.

Hello again,
Thanks for all the replies so far.
Unfortunately i'm still unable to enable USB debugging.
I'm getting stuck, I have managed to install adb and fast boot using the 15 second thing but am unable to get it to detect via "adb devices" and am currently troubleshooting this step
I can't upload images so i'm just gonna type what it says
Code:
C:\Users\blah> fastboot boot recovery.img
<waiting for device >
^C
C:\Users\blah> adb devices
List of devices attached
C:\Users\blah>
probably something to do with how my adb drivers are installed
Just to clarify my screen is impossible to use as its just coloured lines due to cracks in the LCD screen.
Hopefully all goes well and i'll be able to fastboot TWRP with the instructions you guys have given me.

fuzznuzz said:
Hello again,
Thanks for all the replies so far.
Unfortunately i'm still unable to enable USB debugging.
I'm getting stuck, I have managed to install adb and fast boot using the 15 second thing but am unable to get it to detect via "adb devices" and am currently troubleshooting this step
I
Click to expand...
Click to collapse
Your welcome.
It's probably just simple a driver issue. You will need to look in Device manager on PC while phone is connected.
Download the howto_driver.zip from the "15 seconds ADB Installer thread" and follow the picture tutorial contained in the zip file. This should fix your connectivity issues:good:
---------- Post added at 03:23 AM ---------- Previous post was at 02:58 AM ----------
If it helps, I don't have the "Android Bootloader Interface" driver option. So for me,
selecting "Android Composite ADB Interface" allows me to detect my Nexus5 in both ADB and Fastboot mode.
Keep in mind, my OS Win7 64bit and my 64 bit ADBdriver package may be entirely different than yours.

Okay i'm having some other problems now
can anyone help?

fuzznuzz said:
Okay i'm having some other problems now
can anyone help?
Click to expand...
Click to collapse
Your bootloader is locked.
Sent from my Nexus 5 using XDA Free mobile app

fuzznuzz said:
Okay i'm having some other problems now
can anyone help?
Click to expand...
Click to collapse
Locked bootloader
It is the first question I or anyone replying should have asked you.
Unfortunately, as far as I know, it's game over recovering any user data with
a busted non-viewable LCD, no USB debugging and a locked bootloader.
Unless, you can by some luck, miracle or Power of the Force, pull off using your touchscreen to enable USB debugging.
Then you could use Simple ADB Backup or Holo Backup to get your data.
If not and your data is important enough to you, then replacing the screen would be your last option.
Worth replacing IMHO because your Nexus 5 is still a really great phone with nice specs and plenty of power.
Found one HERE shipped from China for $46.76 or HERE from USA $69.99 from US on ebay.

didn't work
joegestes said:
You need to install ADB/Fastboot to your PC
GO HERE
Then you can
Enable usb debugging via recovery using the following ABD commands:
Adb shell
echo "persist.service.adb.enable=1" >>/system/build.prop
echo "persist.service.debuggable=1" >>/system/build.prop
echo "persist.sys.usb.config=mass_storage,adb" >>/system/build.prop"
reboot
Click to expand...
Click to collapse
i followed all these steps and adb devices shows nothing while phone is in recovery mode
fastboot devices shows my phone when in fastboot mode
just adb not working
help asap please

halo_95 said:
i followed all these steps and adb devices shows nothing while phone is in recovery mode
fastboot devices shows my phone when in fastboot mode
just adb not working
help asap please
Click to expand...
Click to collapse
Do you have a stock recovery or a custom one?
You'll need to boot a custom recovery, not the stock recovery.
Now that you don't have to install the custom recovery, just boot it.

Cant get ADB in recovery mode, but works in live mode, and so does fastboot

On my Rooted Pixel 4a, I can use:
Fastboot - I flashed the latest update firmware as well as the rooted boot image
ADB Over WiFi - This is the most comnon way I connect for ADB
ADB While the Android OS is running
What I cannoit get woirking is ADB while in recovery mode,
If I go to recovery and connect via a high quality cable, I can see the device with
Code:
adb devices
C:\Java\x86\Android\android-sdk\platform-tools>adb devices
* daemon not running; starting now at tcp:5037
* daemon started successfully
List of devices attached
091????????490 rescue
Click to expand...
Click to collapse
But none of the below works
Code:
>adb shell
error: closed
>adb connect 091XXXXXXXX490
cannot resolve host '091XXXXXXXX490' and port 5555: No such host is known. (11001)
>adv shell 091XXXXXXXX490
error: closed
What am I doing wrong? how can I connect in recovery?

Stock recovery?

WillisD said:
Stock recovery?
Click to expand...
Click to collapse
Yes.

DiamondJohn said:
What I cannoit get woirking is ADB while in recovery mode
Click to expand...
Click to collapse
I always thought that adb from recovery was a TWRP thing?
I did adb reboot recovery. My phone has an Android on its back, with "No command" on the screen.
Code:
$ adb devices
List of devices attached
xxx unauthorized
$ adb shell
adb: device unauthorized.
This adb server's $ADB_VENDOR_KEYS is not set
Try 'adb kill-server' if that seems wrong.
Otherwise check for a confirmation dialog on your device.
I got the same thing booting to recovery by holding Vol down at boot.
Booting to rescue (another option on the boot menu) got me the same thing on my screen and the same symptom you saw.
Code:
$ adb devices
List of devices attached
xxx rescue
$ adb shell
error: closed
Are you sure this is supposed to work with the stock recovery?

a1291762 said:
Are you sure this is supposed to work with the stock recovery?
Click to expand...
Click to collapse
Actually no, i guess it was an assumption, and the response to adb devices, gave me further hope.
However,, it does respnod to ADB. As is seen, it provides a list of devices. But, maybe one can't shell out while in stock recpvery. Which goves me an idea, maybe we can send commands from the command window in windows/linux. eg adb shell ls But it wouldn't make sense that it would allow root, which negates what I wanted to be able to do in the first place. ie recovery from a bootloop by selectively editing the data partition. in my previous case, it was to disable a single magisk module.

DiamondJohn said:
It wouldn't make sense that it would allow root, which negates what I wanted to be able to do in the first place. ie recovery from a bootloop by selectively editing the data partition. in my previous case, it was to disable a single magisk module.
Click to expand...
Click to collapse
Yeah, it certainly seems to be speaking adb...
I didn't think to try...but maybe adb push and pull work?

How to escape TWRP? Activate ADB w/ broken screen?

So my screen broke on my Note 10+, leaving only the top 15% with display and the bottom 60% with touch. I am trying to activate ADB on it so that I can backup my internal storage.
I booted into TWRP so that I could backup the rest of my system, which I did successfully, but because of the bad touch screen I am unable to hit the ADB side load button. I'd like to reboot into the system because I have ADB enabled there, however I also cannot click the reboot to system button, only reboot to download and shutdown. Since I can't see most of the screen, it is also not possible to access the terminal and work from there.
Anybody know how I can escape TWRP or otherwise activate ADB? Thanks for the help.

Once USB Debugging successfully got enabled on Android device, ADB is supported as soon as device successfully booted up.
To turn device into ADB Sideload mode you run commands
Code:
adb devices
adb reboot sideload

jwoegerbauer said:
Once USB Debugging successfully got enabled on Android device, ADB is supported as soon as device successfully booted up.
To turn device into ADB Sideload mode you run commands
Code:
adb devices
adb reboot sideload
Click to expand...
Click to collapse
Like I said, I'm unable to boot into the system right now because I am stuck in TWRP. ADB is not enabled in TWRP upon boot, you have to press the ADB side load button, which I am unable to do.

AllanRSS said:
Like I said, I'm unable to boot into the system right now because I am stuck in TWRP. ADB is not enabled in TWRP upon boot, you have to press the ADB side load button, which I am unable to do.
Click to expand...
Click to collapse
To boot into NORMAL mode ( i.e. ADB mode ) you enter on Windows command prompt these commands, one-by-one
Code:
adb devices
adb reboot

jwoegerbauer said:
To boot into NORMAL mode ( i.e. ADB mode ) you enter on Windows command prompt these commands, one-by-one
Code:
adb devices
adb reboot
Click to expand...
Click to collapse
I can not use ADB. It is for this very reason I am asking how to enable ADB. But thank you for these valuable ADB commands, I'll be sure to reboot my system once I enable ADB

[Closed] Stuck in login-loop, trying to install com.android.settings via ADB

Background:
On a Nokia G10 I have been using ADB to uninstall unwanted apps to make the phone child-safe, without root being required. I followed steps here using the command:
Code:
.\adb shell pm uninstall -k --user 0 <package_name>
and can reinstall any app using:
Code:
.\adb shell pm install-existing <package_name>
This has been very successful and I have been able to uninstall and reinstall many apps as needed. The final step I took was uninstalling the settings app (com.android.settings) to prevent the user from just enabling the play store and downloading everything again. Whenever I needed to update/change anything, I would connect via ADB and reinstall the settings app and do what I needed to do.
This has been working well for months, no problems, a very elegant and airtight solution.
Problem:
Today I restarted the phone and it got stuck in a loop at the lock screen. Not a boot loop.
It turns on, and loads the lock screen up, then there's about half a second before it freezes, the lock screen crashes (goes black for a second) and the reloads the lock screen.
During that half second I can interact with the screen normally (e.g. swipe down the notifications/settings menu at the top, or open the power options menu) but then it crashes and reloads the lock screen.
Aim:
I need to reinstall com.android.settings . I know this will fix the loop because I encountered this error while setting up the system earlier. However, I was already connected via ADB at that time and could just run the command to reinstall the settings app. This stopped it crashing, it loaded normally and I could login immediately.
But now I cannot connect via ADB for some reason. Running these commands gives the following errors:
Code:
.\adb shell pm install-existing com.android.settings adb.exe: device unauthorized.
This adb server's $ADB_VENDOR_KEYS is not set
Try 'adb kill-server' if that seems wrong.
Otherwise check for a confirmation dialog on your device.
.\adb devices
List of devices attached
PT996******************* unauthorized
I have tried the following with no success:
1)
Code:
adb kill-server
adb start-server
2) Starting in safe mode gives the same problem
3) Ideas listed here: https://stackoverflow.com/questions/23081263/adb-android-device-unauthorized/25546300#25546300
I don't get a new prompt to allow access.
4) Trying to start in FASTBOOT mode... I'm not sure I'm doing it right. Holding down the power and -vol key the screen displays "FASTBOOT mode..." but does not progress to a menu screen.
What I need:
A way to install com.android.settings, or, a way to get ADB access.
Any suggestions welcome
Thanks

Some progress trying FASTBOOT:
Using this guide: https://forum.xda-developers.com/t/how-to-enter-recovery-mode-on-nokia-g10-g20.4353903/
I have been able to boot into recovery mode.
Does anyone know how I can use the option "Apply update from ADB" to issue ADB commands like this?
Code:
.\adb shell pm install-existing com.android.settings
According to this thread: https://android.stackexchange.com/questions/94126/adb-shell-in-recovery-mode-errorclosed
adb shell is inaccessible with stock recovery.
Using FASTBOOT in the Windows powershell terminal, can I issue any similar command to install an existing package?
or, can I use adb sideload to reinstall com.android.settings?

as adb is unauthorized you simply have no adb access anymore. if you are using the same PC then RSA key is lost (otherwise check the previously known working PC and copy .android directory to current PC)
fastboot is unrelated to adb and of no use at all.