Database Users

[GUIDE] Root without flashing custom recovery

With Lollipop just around the corner, I'm guessing some will be reverting back to stock to get the OTA update. This is for those guys that still want root and be able to get the OTA and have it actually work. Installing SuperSU from the Play Store doesn't work if you haven't rooted your device already.
I'm not going to get into specifics about unlocking your bootloader, going back to stock, adb and drivers. All of these should be done if you reverted back to stock.
Go ahead and download the latest SuperSU here from your tablet.
Download a custom recovery on your computer. I used TWRP 2.7.1.1. Place the .img you downloaded in your adb folder (\android-sdk). You can rename if you want. For sake of this guide, let's say I renamed it twrp.
Reboot into bootloader. To make sure everything is connected, why not run:
fastboot devices
Then run (if everything is connected of course):
fastboot boot twrp.img
Let it do its thing. Sooner or later you'll have TWRP pop-up on your tablet.
*Note: You're simply downloading and booting from the image on your computer. This isn't flashing the recovery on your tablet.
Make sure it mounted (I had no problems) and flash SuperSU like you would anything else in recovery.
This worked for me. Right before this, I reverted back to stock using comminus' guide, left my tablet unlocked, booted, checked USB Debugging and Unknown Sources (not sure if this matters) and did this method and I have root.
Hope this helps. :good:
And just because it's cute and funny...:victory:
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Fastboot errors

Was trying to root my P9 lite and install twrp and everything but in twrp I deleted my os. I can access fastboot and the stock recovery but nothing else. I dont know my frimware number but i know is starts with VNS-L23. I tried to reinstall a boot image etc but i get the errors attached. Note that the phone is unlocked and FRP is unlocked
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platinum006 said:
Was trying to root my P9 lite and install twrp and everything but in twrp I deleted my os. I can access fastboot and the stock recovery but nothing else. I dont know my frimware number but i know is starts with VNS-L23. I tried to reinstall a boot image etc but i get the errors attached. Note that the phone is unlocked and FRP is unlocked
Click to expand...
Click to collapse
And what says fastboot, when you type 'fastboot oem get-build-number? VNS-L23 is not enough... where are you from?

bozka1 said:
And what says fastboot, when you type 'fastboot oem get-build-number? VNS-L23 is not enough... where are you from?
Click to expand...
Click to collapse
when i run that i get VNS-L21C432B130 which contradicts the information on the box which it came in. Im from Trinidad and Tobago but information has helped me greatly. Thank you. I got my phone running again. I was trying to change my firmware so that i can use naugat but i will try again. Thank you very much though.

You're welcome

Xiaomi mi A1 cannot boot images, recovery etc from fastboot.

Hello!
I have been trying to boot from boot.img/recovery.img with "fastboot boot" command but it doesn't work, so I can't root my phone with magisk.
I have to use "fastboot flash" to root it, and that way I lose the option to do OTA updates.
The issue:
1. I connect the phone to the computer in fastboot mode.
2. I use "fastboot boot patched_boot.img or twrp.img"
3. Phone goes into charging mode.
Things I've tried:
- Different cables
- Different computers
- Latest platform-tools
- Flashed stock ROM from fastboot
I am currently on Android Pie but I have this issue since around June 2018.
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Any suggestions?

1. Connect turned on phone to PC
2. adb reboot bootloader
3. Wait for fastboot logo
4. fastboot boot boot.img
5. Should boot after about 30 seconds

[SOLVED] Thank you BlackChimaera
BlackChimaera said:
1. Connect turned on phone to PC
2. adb reboot bootloader
3. Wait for fastboot logo
4. fastboot boot boot.img
5. Should boot after about 30 seconds
Click to expand...
Click to collapse
It worked! Thank you BlackChimaera for your advice.

Glad to hear it ) Been in this situation myself. Not sure what the cause of it.

Latest Firmware MCU (K2001_NWD_S212109)

Can anyone tell me the best firmware that's available for my head unit Latest Firmware MCU (K2001_NWD_S212109) Preferable Rooted or am i on the latest version possible for this unit at the moment?
I have pulled hardware info and will show screenshots of my findings, i would like to root this unit so i can get to the whitelist file to allow tasker to work via a fast boot, i have tried multiple different things to get root on this device
All the software APK methods they all fail
i Trying to do it via the pc ADB method but no luck there Even though i get toADB no issues i cannot get to SU I'm stuck in User
Also trying to reach the bootloader i run the command in ADB "adb reboot recovery" it reboots successfully goes to recovery but does not give me the usual menu says something about command then takes me out of the bootloader
couple of things iv tried to work around on this car stereo is, i downloaded shortcuts to accessibility, security menus as they are stripped out i can get to Services option if i go to accessibility shortcut and lets me enable power optimization but that's had no effect on the quick boot start up, and when i attempt to access the security menu it drops me back to the home screen obviously don't have permissions to get there
Does anyone have one of these devices that they have successfully rooted or changed the firmware to allow root i hate being locked in a rom that gives me no options to customize my headhunt,
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[GUIDE] Xiaomi Mi Max 3. Recover bricked phone with bootloader closed and no Xiaomi account. "This MIUI version can't be installed on this device"

Ok, here is a Tutorial if you have a closed bootloader and installed the wrong stock version. Phone doesn't boot with message:
"This MIUI version can't be installed on this device". If you have this problem, because, for example, you have flashed global version and your phone is chinese, read this carefully.
First, you need yo open phone and use the test point method to enter EDL mode.
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You have to completely turn off the phone, i recommend plug out battery. Then you must pin these two, and plug usb.
Open MiFlash, then click on reflesh button, you must see COMX port detected. If you see some letters and numbers you are not in EDL mode, so turn off all, and try again.
Then download your GOOD stock version.
There must be a tag.gz compressed file, uncompress it to C:\rom.
THIS THE MOST IMPORTANT Part:
Download this (all credits to Channel TTA):
https://bit.ly/noneedauth
Uncompress it to C:\rom\image and replace the file. This is for avoid the EDL authorization, in my case, I didn't have my Xiaomi account linked to my mobile...
Then press flash, and wait.
You will have the mobile working, you must enable dev settings, then enable OEM unlock in dev settings, (keep pressed for 5 seconds the OEM Unlock option), then link your account with your phone.
After doing this you can unlock bootloader from fastboot, and install custom ROMS, or ROOT.
I hope this guide helps someone, who had bricked his phone and have the bootloader closed.