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[Q] Cant load Reovery from fastboot

I "attempted" to root my NS following these directions:
I. Before You Begin
1. This will unlock your phone’s bootloader (so you can flash recoveries and ROMs), and can be undone very easily (unlike the Nexus One).
2. This WILL ERASE all your information on the phone.
II. Setup ADB
1. Head to our How To Setup ADB procedure, once you can see your phone’s serial number after typing adb devices then come back to this procedure and continue.
(MAKE SURE YOU FOLLOW ALL THE STEPS IN THE WRITTEN PROCEDURE AS THERE HAVE BEEN UPDATES ADDED).
III. Unlock the Bootloader
1. Turn off your phone.
2. Turn it on by holding Volume Up and Power until fastboot mode comes up.
3. Plug the phone in via USB cable to your computer while it is in fastboot mode.
4. Open a command prompt on your computer by clicking on the Start menu button and typing cmd and hitting enter in the search box.
5. In the command prompt that pops up, type the following with hitting enter at the end of each line:
cd c:\androidsdk\tools\
fastboot oem unlock
6. At this point the phone will ask you to confirm, select yes. You now have an unlocked bootloader.
IV. Flash a Custom Recovery Image
1. Download the custom recovery image and save it to your computer:
ClockworkMod Recovery for Nexus S
2. Copy the recovery.img file inside the tools folder of the sdk (so it is in the same folder as fastboot.exe)
3. Then in the command prompt that should still be open, type the following with hitting enter at the end of each line:
fastboot flash recovery recovery.img
4. Once it is flashed, leave the phone in plugged in and in fastboot mode.
V. Root the Phone
1. In fastboot mode, select Recovery using the volume buttons and power button and wait for it to boot into recovery mode.
2. Download the Superuser flashable zip file and save it to your computer.
Superuser for Android 2.0 and Up Flashable Zip
3. Once in recovery mode, select Mounts and Storage then select Mount USB Storage so we can transfer files to the sd while it is in recovery mode.
4. Copy the Superuser.zip file to the root of your internal storage (do NOT extract it, do NOT put it in any folders, just on the phone’s storage itself).
5. Select Unmount on the phone.
6. Select Mount System, then select Go Back to get back to the main menu.
7. Then scroll to flash zip from sdcard and then choose zip from sd card and select the superuser.zip file and wait for it to finish flashing.
8. Once it is done, select Go Back then Reboot System and wait for the phone to reboot.
VI. Stop the Phone from Uninstalling the Custom Recovery Image
1. Once the phone is booted up, plug it in via USB cable and do NOT mount the storage.
2. Open a command prompt on the computer and type the following with hitting enter at the end of each line:
adb shell
cd etc
mount -o rw,remount /dev/block/mtdblock3 /system
mv install-recovery.sh install-recovery-no.sh
3. That will mount the system as writable and rename the file that overwrites the recovery image on reboot so that our custom recovery will stay.
4. Turn off the phone and turn it back on by holding down Volume Up and Power to get into fastboot mode.
5. Plug the phone in via USB cable while in fastboot mode and open the command prompt again and type the following with hitting enter at the end of each line:
cd\
cd c:\androidsdk\tools\
adb reboot bootloader
fastboot flash recovery recovery.img
5. Once it is done, you have just reflashed the recovery image and it will now stick. You are all done! You have an unlocked bootloader, a custom recovery image, and root access! If you want to now load a custom ROM head to the next procedure linked below.
I ran into an issue near the end with this step under VI:
2. Open a command prompt on the computer and type the following with hitting enter at the end of each line:
adb shell
cd etc
mount -o rw,remount /dev/block/mtdblock3 /system
mv install-recovery.sh install-recovery-no.sh
I used root explorer to mount and rename the file since I couldnt get it to mount with adb shell. My issue now is that when I boot into fastboot mode and go to recovery, I get the error icon (The android with the triangle with the ! in the middle). I cant for the life of me figure out how to get recovery back. It also does not recognize my device in fastboot mode with adb devices but does recognize it when its booted into the regular os. Any ideas?
This is solved. Apparently the directions are a little sketchy.
When it got to this step:
5. Plug the phone in via USB cable while in fastboot mode and open the command prompt again and type the following with hitting enter at the end of each line:
cd\
cd c:\androidsdk\tools\
adb reboot bootloader
fastboot flash recovery recovery.img
the adb reboot bootloader command would not work. Skipping it solved my problem.

[Q] how to root and install a cwm on my ns

good afternoon
i want root and install a cwm on my I9003XXKI1 with 4.0.4 on.
Can suggest me a way to do it?
many thanks

first thing you would need to do is install the drivers!
here are all the files you need
https://www.dropbox.com/s/1il86suafw6gnsq/nexus.zip
-download and unzip the folder, take out the superuser.zip and put it on your phone's memory, put the nexus folder in your computer's C: drive
-turn on usb debugging and connect your phone to the computer
-open the command prompt type the following:
cd\
cd c:\nexus\
adb reboot bootloader
fastboot oem unlock
it will ask you to select yes or no (select yes with the power button) and continue with the command prompt as follow:
fastboot flash recovery recovery.img
it will install the recovery on your phone, then
-select recovery in the bootloader menu
-select install zip from sdcard
-select choose zip from sdcard
then find the superuser.zip file and select yes and you're done!

[Q] Nexus 5 uninstalling Cyanogenmod problem

I'm trying to uninstall Cyanogenmod 11 from my Nexus 5, but I'm very confused right now.
I have downloaded the Factory image (Headhammer-ktu84p) and the SDK manager (and installed USB driver, SDK tools and so on). My phone is in developer mode, and debugging is on. Both fastboot driver and original driver is installed.
I took my factory image folder and placed it inside the android-sdk/platform-tools folder.
Now, I can't get what to do. Some tutorials tell me to run flash-all, but it gives me this error:
"Fastboot is not recognized as an internal or external command."
Other tutorials tell me to run fastboot.exe inside platform-tools, but it all it does is giving me different commands to try out.
I'm very confused, and don't have a clue what to do. Don't feel like any tutorials are working. Can somebody please help me?

What i did
I extracted all 6 files of the factory image directly into platform-tools folder
Then i connect my phone wid usb debugging enabled..
Go into platform-tools folder
Shift+right click
Open command prompt here
Now type
Adb reboot bootloader
Once phone boots into bootloader
Just double click on flashall

doctor_droid said:
What i did
I extracted all 6 files of the factory image directly into platform-tools folder
Then i connect my phone wid usb debugging enabled..
Go into platform-tools folder
Shift+right click
Open command prompt here
Now type
Adb reboot bootloader
Once phone boots into bootloader
Just double click on flashall
Click to expand...
Click to collapse
So, that resolution didn't solve my problem either.
I'm unable to instal the fastboot on my phone.
The problem is that Cyanogenmod has changed my "Recovery mode" and I just can edit some things through the "adb" commands. I don't have any possibilities to install things by the "flash" commands. And nothing about that icons like "flash-all.bat" is helping me to have my Android back or install the fastboot.
What can I do?

Make sure fastboot.exe file is inside the factory image folder. and drivers are installed. Then rebot phone into bootloader, by holding power and Volume down buttons. It will show you android image with open belly and some text on the bottom. Open CMD by holsing shift and rigth click on empty space in factory image folder.
Execute these commands:
Fastboot devices (If it will show up in CMD as connected, proceed)
Fastboot flash radio radio.img (file name may vary)
fastboot flash bootloader bootloader.img (File name may vary)
Fastboot reboot-bootloader
fastboot -w update (Here drag the zip file with factory image. the one that was in folder woth bootlaoder and radio images)
Fastboot reboot
That's it. To restore it to full stock, run command fastboot oem lock afterwards.
If i helped press that thanks button

Try using wugfresh nrt as well.

How to install recovery

Hi . ppl. The noob question. So i just rooted my device and now i need to install recovery menu? Everybody says on internet that i should get recovery app by gnufobio, but the problem is thats its impossible to find it? is there any other way to install clockwork or twrp??

1. Download Adb and fastboot tools(platform-tools) by google in PC.
2. Download TWRP recovery
3. Switch off the phone and press power and volume up key together. Phone will be boot in fastboot mode.
4. Connect phone with PC
5. Move TWRP in se folder of ADB tools
6. Hold shift and press right click in ADB folder in PC.
7. A new option window open search for "Open Command prompt here" or "Open Powershell Here" and click on which is available.
8. Write this command "fastboot flash recovery <recoveryfilename>.img
If open powershell window than this command ".\fastboot flash recovery <recoveryfilename>.img"
Recovery file name is copied or same name of TWRP file name by which it is saved in your PC.

How to Root the Umidigi A7S

How to Root the Umidigi A7S
See also OFFICIAL Umidigi Root your Device and Android 10 & 11 ROOT pages​
Unlock the Bootloader
On the PC
Download and install All Mediatek MTK Driver Pack
Download ADB and Fastboot (platform-tools) and unzip it to a folder on the desktop
Open the platform-tools folder, type in CMD, and press Enter to launch the Command Prompt
On the Phone
Enable USB Debugging and OEM Unlocking in Developer options
When prompted Allow debugging to connected PC
The Process
Connect your device to PC via USB cable
Type adb devices in the Command Prompt to make sure that the device has successfully connected to the ADB mode
Type adb reboot bootloader in the Command Prompt to enter fastboot mode
Type fastboot devices in the Command Prompt to make sure that the device has successfully connected to the fastboot
Type fastboot flashing unlock in the Command Prompt to open the unlock message on your device
Select Volume Up (as per unlock message) on the phone to unlock the bootloader
Type fastboot reboot in the Command Prompt to start the factory data reset (may take a few minutes)
Root the Device
On the PC
Download the latest ROM from the A7S ROM page and unzip it to a folder
Copy the boot.img file from the ROM folder to the phone’s SD Card using USB File Transfer
Download Magisk Manager Apk and copy it to the phone’s SD Card using USB File Transfer
On the Phone
Enable USB Debugging in Developer options
Enable USB File Transfer to receive files from PC
Install the Magisk Apk from the SD Card
Open the Magisk App, select Install, select the boot.img file from the SD Card and press LET’S GO to install a patched boot image file to the internal memory
Reboot and enable USB File Transfer to allow PC access
Flash the patched boot image (on the PC)
Copy the patched boot image file from the phone to the platform-tools folder and rename it patched_boot.img
Copy the vbmeta.img file from the ROM folder to the platform-tools folder
In the platform-tools folder, type in CMD, and press Enter to launch the Command Prompt
Type adb reboot bootloader in the Command Prompt to enter fastboot mode
Execute the following commands
fastboot --disable-verity --disable-verification flash boot patched_boot.img
fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
Type fastboot reboot in the Command Prompt to reboot to your newly Rooted A7S Phone