[Guide] From Root to Stock to "Test ROM" Froyo (25 Steps) - Nexus One General

This is a very simple guide to install Android 2.2.
This will unroot your device, revert to stock, and update to FroYo.
Step 1. Download and unzip the original shipping Rom. (I unzipped it to the tools folder so I didn't have to type the full location in the cmd.exe)
http://rapidshare.com/files/3321487...ogle_WWE_1.01.1700.1_ERD79_release_signed.zip
Step 2. Plug in your Nexus One to your computer via USB.
Step 3. Open a Command Prompt on your computer
Step 4. Type adb reboot bootloader. This will boot into the bootloader.
Step 5. Confirm fastboot connection by typing fastboot devices.
Step 6. Erase your Userdata by typing fastboot erase userdata.
Step 7. Erase your Cache by typing fastboot erase cache.
(If step 6 and 7 do not work you can alternately do a factory data wipe within Android. Settings/Privacy/Factory Data Reset)
Step 8. Go to the directory where you stored your unzipped image file.
Step 9. Type fastboot flash userdata userdata.img
Step 10. Type fastboot flash boot boot.img
Step 11. Type fastboot flash system system.img
Step 12. Type fastboot flash recovery recovery.img
Step 14. Fastboot reboot
Step 15. Boot into Android > Settings > About > Update > Download and Install (This should be update-1)
Step 16. Download and copy the following zip to your SD card, and rename it update.zip
http://coblitz.codeen.org/www.romraid.com/paul/nexusone/signed-passion-ERE27-from-ERD79.a487b405.zip
Step 17. Reboot in to the recovery. Power+Trackball > Bootloader > Recovery
Step 18. Press Vol Up+Power
Step 19. Apply update.zip
Step 20. Finish and reboot.
Step 21. Copy the following to your SD card and name it update.zip
http://bit.ly/beSwQm
Step 22. Reboot in to the recovery. Power+Trackball > Bootloader > Recovery
Step 23. Press Vol Up+Power
Step 24. Apply update.zip
Step 25. Enjoy
----------------------------------------
Thanks to,
Football for the Original Shipping ROM link.
RomRAID for the ERE27 Link.
Gu1Dry for FroYo Link.

Can anyone confirm that this works for getting to FroYo from CM 5.0.6-N1?

Thanks. Can't get any simpler than this

Wisefire said:
Step 4. Type adb reboot bootloader. This will boot into the bootloader.
Click to expand...
Click to collapse
Hi,
First off, thanks for the guide. Big help for us noobs around.
I'm stuck at step 4, though. When I try to ./adb reboot bootloader in Ubuntu 10.04, I get the following error:
error: insufficient permissions for device
Click to expand...
Click to collapse
I'm currently investigating the possible cause and solution, but any help would be appreciated.
EDIT: found the solution, I'll post it here in case it happens to anyone else:
./adb kill-server
sudo ./adb start-server
sudo ./adb reboot bootloader
Seems you have to kill the server and then restart it again with sudo.

@FRIEDjellyWALNUT
Thats exactly what I came from.
So yes, I confirm it works.
@frandavid100
If you are in Win7 or Vista, right click cmd.exe and run as administrator.
Then try.

Thanks very nice guide you are awsome. Thanks for your time. Froyo here we goooooo. Yesss Apple take this. FLASH ON ANDROID.

Wisefire said:
@FRIEDjellyWALNUT
Thats exactly what I came from.
So yes, I confirm it works.
@frandavid100
If you are in Win7 or Vista, right click cmd.exe and run as administrator.
Then try.
Click to expand...
Click to collapse
Awesome, I will be trying this right now then!!! Thanks so much!!

will this work with an ATT nexus one?.. i have my nexus one completely stock..root gone etc.. on EPE54B..

unleashed12 said:
will this work with an ATT nexus one?.. i have my nexus one completely stock..root gone etc.. on EPE54B..
Click to expand...
Click to collapse
I'm wondering this as well. I'm completely stock (ATT/Rogers N1), haven't unlocked my bootloader either..

unleashed12 said:
will this work with an ATT nexus one?.. i have my nexus one completely stock..root gone etc.. on EPE54B..
Click to expand...
Click to collapse
From what I read "NO".. But go ahead and try it. If it works then

Wisefire said:
If you are in Win7 or Vista, right click cmd.exe and run as administrator.
Click to expand...
Click to collapse
Actually, I'm on Ubuntu. But I seem to have found the answer, thanks dude.

having trouble with this for some reason... i rename froyo to update.zip then i follow the instructions and i get an error when i select update.zip
grr it starts to update then it errors out. error in /sdacard/update.zip
(status 7)
installation abort ...

if you're completely stock all you have to do is flash the update.zip
now can SOMEONE help me? I keep getting installation aborted no matter what...something about mp signature...can anyone help me out? PLEASE

jasrups said:
I'm wondering this as well. I'm completely stock (ATT/Rogers N1), haven't unlocked my bootloader either..
Click to expand...
Click to collapse
so far i doubt it because the radios are different.. but can anyone who knows more confirm?

I'm on TMOUS, I don't see why it wouldn't work though.
@ AbsoluteDesignz
Hm, you have stock recovery? Also check to see if your running ERE27. (Android>Setting>About)

I've had this problem before, but the damn PASSIMG will never extract.

mrcheerio said:
having trouble with this for some reason... i rename froyo to update.zip then i follow the instructions and i get an error when i select update.zip
grr it starts to update then it errors out. error in /sdacard/update.zip
(status 7)
installation abort ...
Click to expand...
Click to collapse
@mrcheerio
I'd suggest redownloading Froyo
Here is another link(Googles)
https://android.clients.google.com/packages/passion/signed-passion-FRF50-from-ERE27.1e519a24.zip

Wisefire said:
Step 15. Boot into Android > Settings > About > Update > Download and Install
Click to expand...
Click to collapse
What is it downloading and installing in this step?
Step 16. Download and copy the following zip to your SD card, and rename it update.zip
http://coblitz.codeen.org/www.romraid.com/paul/nexusone/signed-passion-ERE27-from-ERD79.a487b405.zip
Click to expand...
Click to collapse
Is this necessary if we're already on ERE27? (On Desire r21)
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"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

mortzz said:
I've had this problem before, but the damn PASSIMG will never extract.
Click to expand...
Click to collapse
Why are you attempting this if you were already on 2.2?

i did and i got the same error again. also formated the sdcard again.
installing update...
assert failed file_getprop (shows a buncha of code)
e:error in /sdcard/update.zip
(status 7)
installation abort...
sob ...

Related

Uh oh... Did I just brick my N1?

So while reading the instructions and trying to install the MeDroid ICS 6.1 build... I think I might have bricked my N1. I successfully installed Blackrose. Then watched the video, and repartitioned the system. I then realized that I didn't have the ROM on my microSD card, so I clicked reboot to try to reboot into my CM7 system so I can connect it to my PC and copy over the ZIP of the flash. That's when it all went downhill.
I'm not stuck with the colorful X on my screen. The system doesn't respond to the volume down while I press the power button. If I rerun Blackrose, it crashes, badly. I can't turn off the phone by holding down the power button. I have to pull the battery.
So what do I do now? Need help...
This is by far the worst thing I've done to the phone so far. Everything else has been pretty easy.
Ok, it isn't *completely* dead. I still need some help trying to finish the ICS installation. At this point, I can get back into Blackrose. I guess I wasn't holding down the volume down button properly when I turned it on. So now I can get into Blackrose - Latest version by the way. Now what?
chomerfl said:
Ok, it isn't *completely* dead. I still need some help trying to finish the ICS installation. At this point, I can get back into Blackrose. I guess I wasn't holding down the volume down button properly when I turned it on. So now I can get into Blackrose - Latest version by the way. Now what?
Click to expand...
Click to collapse
Try to download a system.img and boot.img for the ROM you want and flash those from the fastboot mode.
Sent from my Nexus One using Tapatalk
I had the same problem and I figured out that it was happening because of the resized cache partition. If you are using clockwork recovery, that might be your problem. What I did was I flashed Amon's RA recovery by using fastboot. Then I was finally able to boot into recovery. With clockwork, it kept on freezing on the x every time I tried to go into it. After I booted into RA recovery, I wiped cache, data and dalvik cache and then installed ICS from SD. Hope this helps.
I had the same problem too
{
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"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Uh... Yeah, I do run CWM. How do I get into fastboot and install the Amon RA reconvery?
Homer
chomerfl said:
Uh... Yeah, I do run CWM. How do I get into fastboot and install the Amon RA reconvery?
Homer
Click to expand...
Click to collapse
The easy way is to use ROM Manager to flash alternate Amon_RA recovery.
chomerfl said:
Uh... Yeah, I do run CWM. How do I get into fastboot and install the Amon RA reconvery?
Homer
Click to expand...
Click to collapse
Download the RA recovery image onto your computer (should be a .img file). Make sure you have adb and fastboot drivers installed. Turn on your phone while holding volume down and select fastboot from the menu. Connect your phone to your computer via USB. It should say fastboot USB on the screen at this point. Now open command prompt on your computer and navigate to the folder where you have the RA recovery img file. Now type the following into command prompt: fastboot flash recovery filename.img. Replace filename.img with the name of the recovery file. Recovery should now be flashed. Now shut off your phone and restart again while holding volume down. At this point select recovery from the menu and hope that it loads. Worked for me. Make sure you wipe cache, data, and dalvik cache before flashing ICS. Hope this helps.
Sent from my Nexus One
FFVengeance said:
Download the RA recovery image onto your computer (should be a .img file). Make sure you have adb and fastboot drivers installed. Turn on your phone while holding volume down and select fastboot from the menu. Connect your phone to your computer via USB. It should say fastboot USB on the screen at this point. Now open command prompt on your computer and navigate to the folder where you have the RA recovery img file. Now type the following into command prompt: fastboot flash recovery filename.img. Replace filename.img with the name of the recovery file. Recovery should now be flashed. Now shut off your phone and restart again while holding volume down. At this point select recovery from the menu and hope that it loads. Worked for me. Make sure you wipe cache, data, and dalvik cache before flashing ICS. Hope this helps.
Sent from my Nexus One
Click to expand...
Click to collapse
I've following your instructions above, can get to the black/green recovery, and have wiped cache, data, and dalvik cache, but still cant flash any roms.
Flashing CM7.1 gives a E:Can't open /sdcard/rom name.... (bad) error
Flashing MeDroid6.1 will begin installation and go for a few minutes but then shows a 'Random offset: 0x28e' message before the installation finishes. At the end I get a 'Install from sdcard complete' message, but reboot and get stuck at the recovery image.
Flashing MIUI.us_passion_4.0.3-2.2.10_0xD34D gives a E:Can't open /sdcard/rom name.... (bad) error
I've disabled signature verification during all of the above steps
any help would be appreciated...
Is your partition correct?
Sent from my Nexus One
i'm assuming its not.
how do i get back to the default values and what are the default values?
thanks
n1n1n1n1 said:
i'm assuming its not.
how do i get back to the default values and what are the default values?
thanks
Click to expand...
Click to collapse
You should have the stock hboot in your Blackrose folder. You could try to flash it through fastboot by navigating to that folder and using the following commands:
fastboot flash hboot hboot_stock.nb0
fastboot reboot-bootloader
It might not work but it's worth giving it a shot. When I try it on mine it fails but it could be because I have a locked bootloader.
still no luck. i get the following message...
.......directory\Blackrose\hboot>fastboot flash hboot hboot_stock.nb0
sending 'hboot' (512 KB)...
OKAY [ 0.085s]
writing 'hboot'...
(bootloader) signature checking...
FAILED (remote: signature verify fail)
finished. total time: 0.227s

GUIDE - Install TWRP Recovery and Root MOTO E Phone

WARNING!
Your warranty is void if you follow the given instruction in this guide. Read all the instruction very carefully and Perform everything at your own risk.
This guide is only for the MOTO E android smartphone. Don’t try this method on any of other Android devices, It may hard brick your device. So, first confirm your phone model number in your android phone settings. To do this Go the Settings page of your device and check out the “About Device” option.
PRE-REQUISITES AND REQUIREMENTS
1. BACKUP YOUR ANDROID DATA
2. INSTALL MOTO E DRIVERS
3. ENABLE USB DEBUGGING MODE
4. CHARGE YOU ANDROID
If your device switched off during this process, it could damage or brick the device. Make sure that your Android battery is full charge or near about 50-70% battery level.
HOW TO INSTALL TWRP & ROOT MOTO E
Step 1. Download the Fastboot files for MOTE E and extract the folder on your desktop.
Step 2. Download The TWRP recovery from here (Rename the file to recovery.img) and extract in the same folder as of step 1.
Step 3. Download The SuperSU from here and copy it into the root of your internal memory,
Step 4. Now all the important files are with your. First you have to unlock the bootloader of your device. Read here.
Step 5. Connect your phone to PC and Reboot to bootloader by pressing VolumeDown + Power button for about 6-7 seconds.
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"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
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"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Step 6. Go to the Fastboot folder in step 1, Do Shift + RightClick in empty space in the folder without selecting anything, Select Open a command window here.
Step 7. Now you will see the command prompt window on your screen. In the command prompt window, you need to enter the below mentioned command;
fastboot flash recovery recovery.img
Step 8. Press Volume Down to select recovery on fastboot menu, then press Volume Up to confirm your choice to boot into recovery
Step 9. Now touch doesn’t work in recovery straight away, so wait 60 seconds without touching the phone, The phone screen will go blank.
Step 10. Press power button and do swipe to unlock to get your touch working again! Select Install, scroll down and find the SuperSU Zip downloaded in step 3.
Step 11. Swipe to confirm, wait untill the flash is complete and then select reboot. First reboot will take some time, so no need to worry.
Now check your MOTO E app drawer, There should be SuperSU installed. Congratulations you are rooted!
via @howtorootmobile
I think so this guide is already available!!
TheStrix said:
I think so this guide is already available!!
Click to expand...
Click to collapse
Yeah I did that guide earlier!
recovery flash error
hey dude, i was trying to flash twrp n root but i have got an error. i have posted a ss, pls do help. thanks
5644red said:
hey dude, i was trying to flash twrp n root but i have got an error. i have posted a ss, pls do help. thanks
Click to expand...
Click to collapse
Write
Code:
mfastboot flash recovery recovery.img
it will work!
deej_roamer said:
Write
Code:
mfastboot flash recovery recovery.img
it will work!
Click to expand...
Click to collapse
Thanks for the help buddy but still it isnt working.
5644red said:
Thanks for the help buddy but still it isnt working.
Click to expand...
Click to collapse
Download another version of mfastboot, or simply just fastboot, or try from scratch again!
I saw earlier your mfastboot folder has recovery.img, so cannot be a misplace error!
Still check again it is there! Otherwise, do what i wrote in first line!
deej_roamer said:
Download another version of mfastboot, or simply just fastboot, or try from scratch again!
I saw earlier your mfastboot folder has recovery.img, so cannot be a misplace error!
Still check again it is there! Otherwise, do what i wrote in first line!
Click to expand...
Click to collapse
tried like 5 or 6 times buddy.. still no use.. i was able to unlock bootlocker without any trouble so i hope there is no trouble with moto drivers, i feel it might be due to fastboot file.. ill try again soon.. thanks
Can you please tell me if i will be able to install the 4.4.3 update after flashing custom recovery. Thanks in advance
Ccceenu said:
Can you please tell me if i will be able to install the 4.4.3 update after flashing custom recovery. Thanks in advance
Click to expand...
Click to collapse
No you need stock recovery!
But its alright you can revert back to custom recovery from here
So go back and enjoy custom recovery,
And if you still prefer not to change your recovery, you can try this guide!
deej_roamer said:
No you need stock recovery!
But its alright you can revert back to custom recovery from here
So go back and enjoy custom recovery,
And if you still prefer not to change your recovery, you can try this guide!
Click to expand...
Click to collapse
Thanks for your reply..I read that somewhere that during updates it checks for stock recovery..so i refrained from flashing custom recovery ... there is another question if you can answer...will the procedure of rooting will change in the 4.4.3 version. Thanks in advance
Ccceenu said:
Thanks for your reply..I read that somewhere that during updates it checks for stock recovery..so i refrained from flashing custom recovery ... there is another question if you can answer...will the procedure of rooting will change in the 4.4.3 version. Thanks in advance
Click to expand...
Click to collapse
No it wouldn't
moto e
i unlocked my bootloader can i directly install supersu from recovery without flashing custom recovery?
I guess....
5644red said:
hey dude, i was trying to flash twrp n root but i have got an error. i have posted a ss, pls do help. thanks
Click to expand...
Click to collapse
Did you make sure that you actually 'Opened' the 'fastboot' folder and then press shift and right click....?
having same problem
5644red said:
Thanks for the help buddy but still it isnt working.
Click to expand...
Click to collapse
Hey did u problem got sorted as I am having the same problem as u, kindly help me if anyone can
I tried to install twrp recovery but in cmd its shows an error
Error while loading recovery.img
Can I change my recovery from cwm to twrp
Sent from my Moto E using XDA Free mobile app
I am getting "partition size mismatch" error when i try to flash the TWRP recovery.

[Q] Google nexus 7 (2012) - Unrooting leads to total failure(no recovery, no boot up)

Dear developers and other users!
I have been looking for same issues but I was unable to find answer for my problem.
About a year ago I unlocked and rooted my nexus 7 tablet to use special apps on it.
Today I tried to unroot and lock my device. On my laptop the program(Nexus Root Toolkit) said it was successful so I just needed to reboot the tablet.
After rebooting it stopped on the Google screen with a "Booting failed" text on the top left corner like that:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
I think I have uninstalled android from the device but I can't Intsall a new one because recovery mode doesn't work and Android is not going to boot.
I can only use Bootloader. Bootloader looks like that:
Once I started my tablet it started in bootloader mode but every other startup fails on Google screen.
Please help me to use my tablet as before without root.
What should I do and how should I do that to get it work again?
Any help would be highly appreciated ​
Download a factory image from here https://developers.google.com/android/nexus/images and follow this guide to flash it http://forum.xda-developers.com/showthread.php?t=1907796
[GUIDE] Flashing a Factory Image with fastboot / return to stock
Sent from my GT-I8190 using Tapatalk
Carlyle_f said:
Download a factory image from here https://developers.google.com/android/nexus/images and follow this guide to flash it http://forum.xda-developers.com/showthread.php?t=1907796
[GUIDE] Flashing a Factory Image with fastboot / return to stock
Sent from my GT-I8190 using Tapatalk
Click to expand...
Click to collapse
Thank you but I have one big problem... I wouldn't have any trouble if I could run the android os on my tablet BUT after starting up it fails to boot so I can't enable usb debugging which I need for pusshong the new firmware. I wouldn't have any problem if II could be able to access my android setting :/
But I will give a chance for everything.( I need to make my device work befora july 2 because I want to use it on my holiday )
Eurioin said:
Thank you but I have one big problem... I wouldn't have any trouble if I could run the android os on my tablet BUT after starting up it fails to boot so I can't enable usb debugging which I need for pusshong the new firmware. I wouldn't have any problem if II could be able to access my android setting :/
But I will give a chance for everything.( I need to make my device work befora july 2 because I want to use it on my holiday )
Click to expand...
Click to collapse
You don't use USB debugging or adb in fastboot to flash the factory image. Follow the link and read the instructions carefully.
#stayparanoid
Pirateghost said:
You don't use USB debugging or adb in fastboot to flash the factory image. Follow the link and read the instructions carefully.
#stayparanoid
Click to expand...
Click to collapse
Thank you It is still not working :/ in cmd after each command it writes waiting for device
Eurioin said:
Thank you It is still not working :/ in cmd after each command it writes waiting for device
Click to expand...
Click to collapse
Fix your drivers then. Fastboot is the surefire way to fix your issue.
#stayparanoid
Eurioin said:
Thank you It is still not working :/ in cmd after each command it writes waiting for device
Click to expand...
Click to collapse
Its much easier on a Linux machine. All you need to do is open terminal and type "sudo apt-get install android-tools-adb android-tools-fastboot" and hit enter. Then extract the .tar file and double click "flash-all.sh" and choose run in terminal. Absolutely no driver headaches.
If you have access to a Linux machine (mint/ubuntu) or if you can dualboot Linux, this will really help
Sent from my GT-I8190 using Tapatalk
I too have this same issue...
Exception is my Nexus is locked... everytime I try to unlock it, it tries to reboot and never comes back on...
What am I doing wrong?
Thanks for everyone I successfully made my tablet work by flashing a stock android 4.4.2
The solution:
1. I connected to my father's laptop (with Win7 on it and mine had Win8.1 so you MUSN'T try fixing on Win8.1 because of the drivers) because my laptop detected the device as undefined USB component and my father's laptop showed the tablet as Nexus 7.
2. I found a working adb&fastboot here
3. After the download is done unip the file and run RUN ME.bat and type fastboot for help
*If needed after running the RUN ME.bat file type
fastboot oem unlock
Click to expand...
Click to collapse
(this will unlock your bootloader which is necessarry
for the following steps)
4. After reconnecting my device and booting to bootloader mode and downloaded the new firmware (unzipped into the fastboot folder) type fastboot
fastboot update image-nakasi-kot49h (this was the firmware that I needed to "update")
Click to expand...
Click to collapse
5. After the fastboot started working and flashing the new OS (it takes about 5 or 10 minuntes) the tablet will restart and starts optimizing all te apps that you had before (that happened in my case).
6. If you want you can lock your bootloader by giving the fastboot this command:
fastboot oem lock
Click to expand...
Click to collapse
And now I am using Android 4.4.4 on my nexus 7 tablet
Eurioin said:
Thanks for everyone I successfully made my tablet work by flashing a stock android 4.4.2
The solution:
1. I connected to my father's laptop (with Win7 on it and mine had Win8.1 so you MUSN'T try fixing on Win8.1 because of the drivers) because my laptop detected the device as undefined USB component and my father's laptop showed the tablet as Nexus 7.
2. I found a working adb&fastboot here
3. After the download is done unip the file and run RUN ME.bat and type fastboot for help
*If needed after running the RUN ME.bat file type (this will unlock your bootloader which is necessarry
for the following steps)
4. After reconnecting my device and booting to bootloader mode and downloaded the new firmware (unzipped into the fastboot folder) type fastboot
5. After the fastboot started working and flashing the new OS (it takes about 5 or 10 minuntes) the tablet will restart and starts optimizing all te apps that you had before (that happened in my case).
6. If you want you can lock your bootloader by giving the fastboot this command:
And now I am using Android 4.4.4 on my nexus 7 tablet
Click to expand...
Click to collapse
I was hopeful that this would work for me.... I am using a win 8.1 machine and the downloaded fastboot and adb seemed to work fine.
I go to do a fastboot unlock and I get the following:
(bootloader) erasing userdata...
(bootloader) erasing userdata done...
(bootloader) erasing cache...
(bootloader) erasing cache done...
(bootloader) unlocking....
FAILED (remote: (Unknown error code))
finshed. total time: 7.902s
So..... Anyone ? The tablet does ask if I want to Unlock the Bootloader... I select yes and hit the power button to select... yet the tablet goes back to the android screen... The top of the screen says Unlocking now...... yet it doesn't...
Please help...

4.4.2 to 4.4.4

Not sure what happened here with this freaking thing. I followed the instructions located here. I grabbed both the 4.4.2 and the 4.4.4 located here.
I applied 4.4.2 to go back to stock and the tablet didn't make it past the Nexus boot logo. So, I rebooted into the bootloader and then flashed 4.4.4 thinking there was an issue.
Same result. Still no boot.
Any ideas? Of course I didn't back squat up because I did this same exact thing on my Nexus5 and it worked flawlessly. So, I figured, why back up anything because it will work the same on this tablet.
No clue what the %&@(&% happened.
I also can't get into Recovery mode either.
usafle said:
Not sure what happened here with this freaking thing. I followed the instructions located here. I grabbed both the 4.4.2 and the 4.4.4 located here.
I applied 4.4.2 to go back to stock and the tablet didn't make it past the Nexus boot logo. So, I rebooted into the bootloader and then flashed 4.4.4 thinking there was an issue.
Same result. Still no boot.
Any ideas? Of course I didn't back squat up because I did this same exact thing on my Nexus5 and it worked flawlessly. So, I figured, why back up anything because it will work the same on this tablet.
No clue what the %&@(&% happened.
I also can't get into Recovery mode either.
Click to expand...
Click to collapse
How did you flash these update with fastboot?
Yup. Copied all the files in the factory images to "platform-tools". Opened a CMD prompt window and then typed "Flash-all"
lj50036 said:
How did you flash these update with fastboot?
Click to expand...
Click to collapse
Going to re-download the 4.4.2 and re-flash it.... see what happens. But so far, no joy on anything at the moment. Just stuck in a bootloop.
usafle said:
Yup. Copied all the files in the factory images to "platform-tools". Opened a CMD prompt window and then typed "Flash-all"
Click to expand...
Click to collapse
If using windows is the file called flash-all.bat ?
make sure if you are using windows that your CMD window is opened as Admin....
Can you do this again and post the input and output of the process here ?
Thx Josh
Yes Sir, I am.
I've done this:
Proceed with this step if you want to keep your data intact. If you skip this step, your data will be wiped. With your favorite text editor, edit (be careful not to run it by accident instead of editing) flash-all.bat (if you're on Windows) or flash-all.sh (Mac, Linux) and remove "-w" from the fastboot update command. For example, if the line reads fastboot -w update image-razor-jss15j.zip, it should now read fastboot update image-razor-jss15j.zip. The -w option instructs fastboot to wipe data.​Which worked flawlessly on my N5 "upgrade".
I am an Admin user on this machine so the CMD prompt is Admin.
There are no errors either in the CMD prompt window or, the Tablet. Everything appears to transfer over without any issues / errors.
lj50036 said:
If using windows is the file called flash-all.bat ?
Click to expand...
Click to collapse
usafle said:
Yes Sir, I am.
I've done this:
Proceed with this step if you want to keep your data intact. If you skip this step, your data will be wiped. With your favorite text editor, edit (be careful not to run it by accident instead of editing) flash-all.bat (if you're on Windows) or flash-all.sh (Mac, Linux) and remove "-w" from the fastboot update command. For example, if the line reads fastboot -w update image-razor-jss15j.zip, it should now read fastboot update image-razor-jss15j.zip. The -w option instructs fastboot to wipe data.​Which worked flawlessly on my N5 "upgrade".
I am an Admin user on this machine so the CMD prompt is Admin.
Click to expand...
Click to collapse
Yes, I have never had good luck with removing
Code:
fastboot -w
at this point with no recovery and not booting your data is lost...
So I would not modify it and see if you can get it to boot...
Thx Josh
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Well there goes everything data wise. Freaking great. LOL
Boots up by removing
Code:
fastboot -w
and flashing. Dammit.
Thanks anyway for the assist.
lj50036 said:
Yes, I have never had good luck with removing
Code:
fastboot -w
at this point with no recovery and not booting your data is lost...
So I would not modify it and see if you can get it to boot...
Thx Josh
Click to expand...
Click to collapse

Bootlooped/bricked/returning to stock ...see the method here

You may be have got attracted to those new roms out there on the internet and would have probably bricked your device.Or maybe did some modding and in worst case somehow your phone bootlooped.
so please follow the guide for unbricking or solving bootloop issues:
CAUTION:
[1] FIRST OF ALL, I AM NOT RESPONSIBLE FOR ANY DAMAGE TO YOUR DEVICE.
[2] NEVER UNPLUG THE USB CABLE WHILE FLASHING IS IN PROGRESS.IT MIGHT PERMANENTLY BRICK UR DEVICE..
ONLY FOR ZENFONE 5,A501CG/00CG
download the required files:
[1] kitkat firmware: for zenfone5(a501cg/00cg only other zf5 users download appropriate firmware from asus support page): http://dlcdnet.asus.com/pub/ASUS/ZenFone/A500CG/UL-ASUS_T00F-WW-2.21.40.44-user.zip
[2] adb/fastboot files: from here
[3] device drivers:if you do not have device drivers download and install pc link on pc from asus website,it will automatically install device drivers on your pc.(download from: http://liveupdate01.asus.com/pub/ASUS/LiveUpdate/Release/ZenFone/APP/LinkRim/PCLinkSetup.exe)
IF U R BRICKED PROCEED FROM STEP 2 ELSE FOR BOOTLOOP START FROM STEP 1:
step 1] try booting into recovery and perform a factory rest and wipe cache if this solves the bootloop(in most cases it should).if it still bootloops then follow the following tutorial
step 2]extract the fastboot files on the desktop and paste the firmware(it will be in .zip)in the fastboot folder
step 3]after copying the firmware also extract and copy the recovery.img and fastboot.img file from the firmware into the fastboot folder. (don't remove original firmware zip)
now your fastbootfolder should contain fastboot files+recovery.img+fastboot.img+firmware you dowloaded(compressed in .zip)
step4]boot into the fastboot by switching off the phone and powering it on by power+vol up key until asus logo comes up
if u r returning from some other rom u need to relock the bootloader so scroll some below to see how to relockbootloader.
step5]once you booted to fastboot ,open command promt in fastboot folder (downloaded earlier) by pressing right click+shift in any blank space on folder screen and selecting open command promt here.
in cmd write:
step6]
Code:
fastboot flash fastboot fastboot.img
step7] fastboot reboot-bootloader
wait until reboot is complete then write
step8]
Code:
fastboot flash recovery recovery.img
fastboot reboot-bootloader
step9] now we will be erasing data and cache for a clean flashing
Code:
fastboot clear data
fastboot clear cache
both of them take time and screen may turn off to save power so don't panic
next use volume keys to navigate to recovery and select it using power key .once your phone boots up showing android with belly open symbol press and hold volume up+volume down until recovery menu appears.if that does not open recovery try this:
hold volume down button, click and release vol up button,,,then finally release vol down button.
i admit it brothers,,it is sometimes really difficult to boot into recovery...but keep trying,,it is a bit difficult but is fruitful
if it doesnt appears it may be due to unssucceful flashing, unplug usb cable,force switch off phone by holding power button for few seconds.now again boot in bootloader by power button and vol up key and repeat from :step[8]
once in recovery select apply update from adb
step10] write on cmd
Code:
adb sideload <downloaded firmware name>.zip
for convenience you can rename firmware to kk.zip or any thing you like so command will be adb sideload kk.zip(it may take 15 to 20 mins)
step 11]once thats done select wipe data and cache in recovery and at last select reboot from recovery menu(dont skip this else you may face freezing on welcome screen itself)
hopefully you will boot into homescreen and be patient first bootup may take upto 20 mins.
[UPDATE] HOW TO RELOCK BOOTLOADER{only for zenfone 5 other device users pls google the procedure}
(USE THIS ONLY IF U R RETURNING FROM ANY CUSTOM ROM ITS NOT NEEDED FOR BOOTLOOPING PROBLEM)
hi guys i know u will be needing to relock the bootloader while returning to stock rom..
so what u have do is use the following steps before flashing fastboot.img that is before STEP [5] mentioned above
[1] download this file (its a zip file extract it using password zenfone-five.blogspot.com)...(link=https://drive.google.com/file/d/0B0o7qWuG7vvVRE9CV0hJWGRJS2c/view?usp=sharing)
[2]follow the on screen instructions
after the bootloader is locked carry on the steps from step[5]
PLEASE NOTE---THE UNLOCKING/LOCKING TOOL PROVIDED ABOVE IS NIETHER WRITTEN NOR OWNED BY ME...ALL CREDIT GOES TO ITS RESPECTIVE DEVELOPERS
this method can be used for:
1]unbricking
2]returning to stock rom
3]bootloop issues
IF YOU ARE NOT ABLE TO BOOT INTO FASTBOOT(maybe stuck on usb logo)--see this: http://www.asus.com/zentalk/forum.php?mod=viewthread&tid=33800 it is written by asus guys and will help you
thanks
if you face any issue please ask in comments...........
sources and credits===== www.windroidica.in
SCREENSHOTS DISCRIPTION:
pic 1] sideloading in progress
pic 2] the screen you will get when u will perform step [10] ( ignore the error "can't open /tmp/update-script.log")
pic 3]sideloading in progress (ignore the error: "please upgrade to newest 4.3 first")
pic 4] sideloading complete
NOT HITTING THANKS WILL LEAD TO A ZOMBIE APOCLYPSE(JUST KIDDING) ........dont forget to hit thanks!!!!
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Kitkat link isn't working. Can I download it from another site? (Yes, it is a beginner problem )
DogeLordTR said:
Kitkat link isn't working. Can I download it from another site? (Yes, it is a beginner problem )
Click to expand...
Click to collapse
I wonder why it isn't working..... Yes u can download it from other sources. I will update the link as soon as possible...
update= download link working now...i omitted a "/" symbol and that gave the error
reserved----
AWESOME
Thanks for solution dude! You rock!
DogeLordTR said:
Thanks for solution dude! You rock!
Click to expand...
Click to collapse
Thanks bro... Ask for help anytime
hi, i have follow all the step, but until adb sideload <filename>.zip, it say at command prompt "error: device not found"
Now the phone stuck at asus logo.. :crying::cryinglease help......
zldjian said:
hi, i have follow all the step, but until adb sideload <filename>.zip, it say at command prompt "error: device not found"
Now the phone stuck at asus logo.. :crying::cryinglease help......
Click to expand...
Click to collapse
already solved the problem by using the method on this thread..
http://forum.xda-developers.com/zenfone-5/help/config-factory-partition-backup-t3316469
zldjian said:
already solved the problem by using the method on this thread..
http://forum.xda-developers.com/zenfone-5/help/config-factory-partition-backup-t3316469
Click to expand...
Click to collapse
great you have your problem solved,the error you were facing due to wrong drivers.
Cant boot recovery mode..
I am not able to boot into recovery mode..
rsunilkumar92 said:
I am not able to boot into recovery mode..
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Click to collapse
provide me more details. is it after flashing recovery.img? what is opening instead of recovery?
[email protected] said:
provide me more details. is it after flashing recovery.img? what is opening instead of recovery?
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Click to collapse
when i select recovery in bootloader, device will restart and stuck with the very frst logo.... "ASUS & Android Logo"
rsunilkumar92 said:
when i select recovery in bootloader, device will restart and stuck with the very frst logo.... "ASUS & Android Logo"
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Click to collapse
whats the current installed recovery?
[email protected] said:
whats the current installed recovery?
Click to expand...
Click to collapse
i tried TWRP ond also stock recovery
rsunilkumar92 said:
i tried TWRP ond also stock recovery
Click to expand...
Click to collapse
then try a guide on the forums by the name "de-brick with ruined partitions" i dont remember correctly but you'll find it easily

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