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[Q] P3100 Unlock Bootloader, FastBoot, Modes

I apologize if I have understood this all incorrectly, but kindly clarify the following for me.
What I have already done:
1. Installed CWM (ClockWorkMod) on the tablet: Galaxy Tab 2 7.0 using Odin
2. Installed the rooting zip file from external sd
3. Made a backup image on an external sd
What I need to do:
1. Flash a custom ROM onto the device from my PC using fastboot
Errors:
1. Fastboot devices returns nothing (absolutely no response... please find the attached pic)
2. Adb reboot bootloader - just reboots the OS (not in fastboot)
3. Fastboot oem unlock says waiting for device endlessly.
My Queries:
1.I have a recovery mode and download mode (aka odin mode). Is either of them the FASTBOOT mode or is fastboot something completely different. If so how to get into FASTBOOT mode??
I read I have to get a USB icon and a Fastboot mode display on screen. I do not.
2. Why is my device not showing under fastboot devices (on download mode, neither show the device.), but adb devices shows the device under recovery mode
3. Is it possible to flash a ROM using fastboot if I have CWM installed. Or does CWM disable fastboot?
4. Also does this device have a Fastboot mode at all? If yes how to get into Fastboot mode??

From what I've read here, there is no fastboot mode on the Tabs.

Balthazar B said:
From what I've read here, there is no fastboot mode on the Tabs.
Click to expand...
Click to collapse
In that case, how do I flash a custom ROM onto the device?
Thanks!

rtindru said:
In that case, how do I flash a custom ROM onto the device?
Thanks!
Click to expand...
Click to collapse
load it on your external sdcard, boot into cwm and do a fullwipe/factory reset then install the zip from sdcard. poof, rom installed
to boot into cwm, turn off the tablet.
press and hold power and volume down (the one closes to power button) once the samsung tablet logo appears let go of power and continue holding vol down until cwm appears (this can take a couple minutes)

Thanks then!
Darunion said:
load it on your external sdcard, boot into cwm and do a fullwipe/factory reset then install the zip from sdcard. poof, rom installed
to boot into cwm, turn off the tablet.
press and hold power and volume down (the one closes to power button) once the samsung tablet logo appears let go of power and continue holding vol down until cwm appears (this can take a couple minutes)
Click to expand...
Click to collapse
Well thanks for the info.

HELP!!..How can i get into recovery with a broken power button!?!

i had a bad kernal flash and need to get into recovery..but my power button is broken

neo_x22000 said:
i had a bad kernal flash and need to get into recovery..but my power button is broken
Click to expand...
Click to collapse
adb reboot-bootloader

i can get into the bootloader screen but i cant select anything..if that helps

Cascabreu said:
adb reboot-bootloader
Click to expand...
Click to collapse
how do i do that..i never did it before

You can't. Either your power button needs to be working or you phone needs to actually boot up to send it into recovery

i can get the phone to boot...i just cant get into recovery
i can get to the bootloader screen i just cant select..recovery

What I meant by boot was to actually boot up the os. Not just make it to the bootloader.

so basically im ****ed??

Unless you get the power button to work you are stuck.

bump bump...anyone got any ideas!?!?!

adb reboot recovery ? Won't that work ?
Once you get into recovery you can use the bottom four buttons to navigate through recovery. If I am not mistaken Menu to scroll up, Home button to scroll down, Search to select and Back to go to the previous menu.
Anyways you can always flash from command line using fastboot.

When your power button is broke you can't scroll and select anything in fastboot. It freezes.
You can't adb reboot recovery if the phone doesn't boot up the os. Can't use any fastboot commands either cause its stuck.
He is screwed. Getting power button to work/unstick whatever you want to call it is only way.

http://forum.xda-developers.com/showthread.php?p=31360698
The guy named "shadowx360" suggests a couple of things in this thread.
Good luck
Vs Nexus S4G using tapatalk2

albundy2010 said:
When your power button is broke you can't scroll and select anything in fastboot. It freezes.
You can't adb reboot recovery if the phone doesn't boot up the os. Can't use any fastboot commands either cause its stuck.
He is screwed. Getting power button to work/unstick whatever you want to call it is only way.
Click to expand...
Click to collapse
If I am not mistaken he can boot into OS, He can go to bootloader but he just can't select Recovery because of the broken power button.
So using adb and fastboot shouldn't be a problem at all. As far CW recovery is concerned you can navigate without using power button as well

suhas_sm said:
If I am not mistaken he can boot into OS, He can go to bootloader but he just can't select Recovery because of the broken power button.
So using adb and fastboot shouldn't be a problem at all. As far CW recovery is concerned you can navigate without using power button as well
Click to expand...
Click to collapse
problem solved...i took the phone apart and cleaned the power button with alcohol..and it worked!!

For possible future use, you can install an app called Rebooter, which can boot your phone right into recovery.

fieldside99 said:
For possible future use, you can install an app called Rebooter, which can boot your phone right into recovery.
Click to expand...
Click to collapse
i have that APP...the problem was that my phone wouldnt even boot at all...it went to the google screen then to a black screen

delete

[Q] What's the button combinations to boot into recovery or fastboot?

I was able to root, install TWRP, and permanent root using adb commands to get into fastboot and recovery. What's the proper key press combo because I cannot figure this out?
Sent from your mom's smartphone

jova33 said:
I was able to root, install TWRP, and permanent root using adb commands to get into fastboot and recovery. What's the proper key press combo because I cannot figure this out?
Sent from your mom's smartphone
Click to expand...
Click to collapse
1. FIRST of all, make sure that Fast Boot is off (Settings --> Power --> Fast Boot (uncheck).
2. Power off the unit.
3. While holding the volume button DOWN, press the power button. If you get the splash screen, you'll have to power off again and try again.
4. Hold both buttons for a second or two until you feel the vibration, then release the volume down button, the bootloader screen will come up.
5. Select hboot (if not already selected). Use volume button to scroll down to recovery. Press power. You will then see the splash screen (with red lettering unless you flashed an alternate hboot) and the unit will boot to recovery.
Do yourself a favor and either figure out a way to get the Advanced Power dialogue into your ROM, or download Quickboot which will do the same thing.

Oh Jebus! None of the instructions I found mentioned turning off Fast Boot. I was sitting here last night for like 10 minutes trying to get into fastboot before I was like, "adb reboot fastboot"

jova33 said:
I was able to root, install TWRP, and permanent root using adb commands to get into fastboot and recovery. What's the proper key press combo because I cannot figure this out?
Sent from your mom's smartphone
Click to expand...
Click to collapse
If you have tritium back-up you can go to menu select reboot to recovery.

jova33 said:
I was able to root, install TWRP, and permanent root using adb commands to get into fastboot and recovery. What's the proper key press combo because I cannot figure this out?
Sent from your mom's smartphone
Click to expand...
Click to collapse
See hgoldner's reply; very good walkthrough.
If you want to install a mod to get the Advanced Power Menu (APM) with additional reboot options, I used this.
Good luck. :good:

hager03 said:
If you have tritium back-up you can go to menu select reboot to recovery.
Click to expand...
Click to collapse
Yeah, I was looking for the key combo though, so if I ever bootloop or break something I can just restore a nandroid
Sent from your mom's smartphone

Any way to flash new ROM if Vol - not working?

My vol- is not working. Is any way to flash new ROM without using vol button?
Thanks.

You can use an app like advanced rebooter or even kernel auditor to reboot to recovery if that is what you mean.

avi1299 said:
You can use an app like advanced rebooter or even kernel auditor to reboot to recovery if that is what you mean.
Click to expand...
Click to collapse
Yes, I find how to get advanced reboot menu in OPO.
Next question - can I reboot my phone from bootloader without using vol +/- buton?

goralpm said:
Yes, I find how to get advanced reboot menu in OPO.
Next question - can I reboot my phone from bootloader without using vol +/- buton?
Click to expand...
Click to collapse
When you are in fastboot mode aka bootloader you can give the command fastboot reboot to reboot the phone.

Honor 6 C [DIG-L21HN] How to root ?

Hi I've unlocked the bootloader of my phone but I can't find any recoveries to push through ADB, therefore I can't flash SU. Does someone have a solution ?
Allright, for the newcomers, I've found a solution for this : (it is very important that you don't update your rom if you've rooted your phone, unless you want a 150$ brick I guess !)
Don't forget to install adb before anything
1. Enable USB debugging in developers option.
2. Connect your phone to a computer and then launch cmd. Type «adb reboot fasboot».
3. Once in fastboot mode we will flash TWRP by typing this : «fastboot flash recovery 1streco.img».
4. Unplug and reboot your device, on the nag screen keep pressing the up volume button to enter recovery. If it doesn't work then choose shutdown and hit all three buttons while it's booting.
5. Once you are in TWRP, backup everything to extsdcard.
6. Go to wipe and format /data and wipe it under advanced wipe. DO NOT TOUCH ANY OTHER PARTITION !!! ONLY DATA.
7. Once it's done reboot the device. You should have a message telling you that the encryption failed, click reset phone.
8. It should launch TWRP choose reboot to bootloader.
9. Once in fastboot mode type this : «fastboot flash recovery 2ndreco.img» then type : «fastboot reboot».
10. Your phone should now display : «Factory reset low level» when you click reset phone. Once it's done it will automatically reboot but don't let it finish his boot sequence yet. On the nag screen keep pressing the up volume to enter recovery and then choose shutdown.
11. Boot in fastboot mode again and type : «fastboot flash recovery 1streco.img», then : «fastboot reboot».
Hold the vol.up button while on nag screen to enter TWRP.
If you don't enter TWRP after you typed fastboot reboot and hit the vol.up button but you enter erecovery that's ok, in this case what you need to do is to choose shutdown. Then hold vol.up, vol.down and power buttons to enter TWRP ! Go to install and flash magiskv13.3.zip and voilà your phone is now rooted !
I've not tried but I think you could restore the data partition with TWRP once you've done all those steps but I can't guarantee you anything so this is why I've told you to backup your data.
1streco.img file link here
2ndreco.img file link here
Magisk v13.3 link here

Si I've been able to install twrp but when I try to flash SuperSu.zip it doesn't work. It's crazy !

For those who wants to know, I've tried everything and the only way to go is to format and wipe data in order to disable dm-verity. But if you do that you won't be able to go further because the rom asks you to crypt your datas before continuing....

Ilovelife76 said:
For those who wants to know, I've tried everything and the only way to go is to format and wipe data in order to disable dm-verity. But if you do that you won't be able to go further because the rom asks you to crypt your datas before continuing....
Click to expand...
Click to collapse
hi, please you can explain me how to obtain root? I have unlocked the bootloader of my phone. Sorry my english. thanks

I'll explain it when I'll be back home and I'll upload files here. You will lose everything tho so backup all your data now

Ilovelife76 said:
I'll explain it when I'll be back home and I'll upload files here. You will lose everything tho so backup all your data now
Click to expand...
Click to collapse
So, Ilovelife76, have you managed to root your Honor 6C successfully? (And how, if so? )

Ilovelife76 said:
I'll explain it when I'll be back home and I'll upload files here. You will lose everything tho so backup all your data now
Click to expand...
Click to collapse
Long-time away from home

I Need to root my Honor 6C... Can anyone help me ?

sub7even12 said:
I Need to root my Honor 6C... Can anyone help me ?
Click to expand...
Click to collapse
He is away from home it seems and no confirmation on rooting. More wait.

Ilovelife76 said:
I'll explain it when I'll be back home and I'll upload files here. You will lose everything tho so backup all your data now
Click to expand...
Click to collapse
Still away from home.

Here's the solution
Hi guys ! Sorry for the wait but here it is, my tutorial to the graal, root on this device :
1. Enable USB debugging in developers option.
2. Connect your phone to a computer and then launch cmd. Type «adb reboot fasboot».
3. Once in fastboot mode we will flash TWRP by typing this : «fastboot flash recovery 1streco.img».
4. Unplug and reboot your device, on the nag screen keep pressing the up volume button to enter recovery. If it doesn't work then choose shutdown and hit all three buttons while it's booting.
5. Once you are in TWRP, backup everything to extsdcard.
6. Go to wipe and format /data and wipe it under advanced wipe. DO NOT TOUCH ANY OTHER PARTITION !!! ONLY DATA.
7. Once it's done reboot the device. You should have a message telling you that the encryption failed, click reset phone.
8. It should launch TWRP choose reboot to bootloader.
9. Once in fastboot mode type this : «fastboot flash recovery 2ndreco.img» then type : «fastboot reboot».
10. Your phone should now display : «Factory reset low level» when you click reset phone. Once it's done it will automatically reboot but don't let it finish his boot sequence yet. On the nag screen keep pressing the up volume to enter recovery and then choose shutdown.
11. Boot in fastboot mode again and type : «fastboot flash recovery 1streco.img», then : «fastboot reboot».
Hold the vol.up button while on nag screen to enter TWRP.
If you don't enter TWRP after you typed fastboot reboot and hit the vol.up button but you enter erecovery that's ok, in this case what you need to do is to choose shutdown. Then hold vol.up, vol.down and power buttons to enter TWRP ! Go to install and flash magiskv13.3.zip and voilà your phone is now rooted !
I've not tried but I think you could restore the data partition with TWRP once you've done all those steps but I can't guarantee you anything so this is why I've told you to backup your data.
1streco.img file link here
2ndreco.img file link here
Magisk v13.3 link

Hey, great that you found your way home.
Ilovelife76 said:
1streco.img
2ndreco.img
Click to expand...
Click to collapse
Can you tell us a little more about these two files? Where have you found them? (Not wanting to sound too paranoid but you know...)

I've found 1streco.img on a Chinese board. It's the work of a guy who managed to make TWRP available to us, users of honor 6c. The second one is the standard recovery image of Honor 6c. Those files are good, don't worry. Once your phone is rooted and everything works good, you can of course update magisk through TWRP to the lastest version.

OK, I have been trying around now for an hour or so... I have one real problem and one possible problem:
1. (the real one) Using Win7 64 bit, each time I send the the phone into fastboot mode, the system tries to install "MTP USB device" drivers... without any success so far. That's why the phone boots normally again. I haven't been able to solve that so far (installed HiSuite for example, didn't help).
2. (the possible one) Should the bootloader be unlocked? If yes, I have to admit I haven't found a way to do that so far. :-/

Of course the bootloader must be unlocked before doing anything, you can request a code here on Huawei website : http://en.ui.vmall.com/plugin.php?id=unlock

bravo there is machine back or full backup with recovery

Did you manage to root your phone ?

beautiful, can you install a module on magisk? if yes how because when installing the modules I get a failure when editing magisk.img thanks ?

No, you can't because of dm-verity, you.can manually install via recovery tho.

For the Russian version 6s failed to implant. ADB reboot fastboot this command does not put the phone in fastboot mode.