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[Q] fastboot freeze

i have asus tf300t in the android 4.2.1 latest update and has root the system but still using stock rom
this morning try to swtich to custom rom
i flash to cwm v6.0.2.3
and did a full wipe on everything
after that the system keep boot to cwm with nothing else and wont mount anything
read couple post
and able to manager get to bootloader to try fastboot mode
but as i use the command pompt to fastboot -i 0x0b05 flash recovery twrp.blob
it freeze on tablet
the command pompt say is finish and successful
the twrp is the openrecovery.....4.2.blob
but it wont flash
then i got back to bootloader and able to do a cold boot to the stock rom
so i need help how to install the twrp in different way (goo manager or terminal) and fix the issue on anytime the system restart and enter to cwm on it own
the following xda i try it wasnt work as i following through
http://forum.xda-developers.com/showthread.php?t=2283563
http://forum.xda-developers.com/showthread.php?t=2201015
http://forum.xda-developers.com/showthread.php?t=1830108
if there is any fix please let me know thx

Unfortunately you flashed CWM on 4.2.1 and then unfortunately again you issued a wipe.
Fortunately you haven't bricked but you were close.
One of the TF300 gurus may be able to help you recover.

it get worst
sbdags said:
Unfortunately you flashed CWM on 4.2.1 and then unfortunately again you issued a wipe.
Fortunately you haven't bricked but you were close.
One of the TF300 gurus may be able to help you recover.
Click to expand...
Click to collapse
do u know anyone can help
i think i got worst
i keep trying
in cmd i try these code
fastboot -i 0x0b05 flash system blob
or
fast boot -i 0x0b05 flash system twrp.blob
after that i cant cold boot to the android
it just wont load
i can only load to cwm everytime to restart
then i have to cmd
and adb reboot-bootloader
then i can boot to fastboot
but the other issue is in the bootloader it didnt show the usb icon
so anytime i try fastboot the with any blob
it freeze
is their anyway i can get the usb icon in the bootloader
then i can flash the system
the cmd show everything can read and

Now it sounds like you have hard bricked sorry to say.

sbdags said:
Now it sounds like you have hard bricked sorry to say.
Click to expand...
Click to collapse
is that mean i need a new tablet
is there any solution that can fix back

HELP stuck on boot loop with access to recovery

Basically Ive had my tf300t for just over a year
i was running stock untill the jb update shortly after I rooted and flashed cleanrom somewhere between this feb and april
the rom flashed fine using CWM 6.0.1.3 but in May my tablet was stepped on and the screen was cracked
i had it fixed when i got it back the screen had no TOUCH
So heres my issue stupid me... whatever knowledge i have about android has come off of this website
so i dont know why i figured i could do this myself
Either way when i fixed the screen i wanted to flash a new rom
so i downloaded latest pacman 4.3 and went about a proper flash i wiped data and cache in recovery
but when i went to flash the rom it appeared recovery had wiped my micro sd instead with all my backups
i ended up going into what i understand is the bootloader..its the screen with four options RCK android usb and wipe data...
i choose the later of the four options which completely wiped the tablet.. i thought it was the same procedure as in recovery
so at the moment the tablet bootloops however i can boot CWM also the screen i mentioned earlier (RCK / ANDROID / USB / WIPE DATA)... ive tried to flash a rom and i keep getting an error saying the file is bad... so now ive looked all over this forum but i really cant find anything that directy helps me i know there are issues with CWM but unfortunately i cant use the touch features which come in TWRP and my computer wont install the drivers or id try pushing the rom to the internal sd.....
really any help would be apreciated any at all just please bear in mind i need to stay on a non touch recovery
bootloader screen reads----> Android cardhu-user bootloader <1.00 e> released by "WW_epad-10.4.2.17-20121018" A03
recovery ----> CWM 6.0.1.3 and getting a lot of errors

It looks like You installed pacman on 4.1 firmware, I'm right? Most current custom ROMs can be installed only on 4.2 stock firmware. First of all try to remove all asus software and drivers for tablet from Your PC and install nacked drivers. Then reinstall stock firmware through fastboot(I hope You know how to enter fasboot mode) to fix tablet (use firmware version as You have before brick or newer).
P.S.: And CWM doesn't support new ROM as well, so use proper version of TWRP.

Graiden05 said:
It looks like You installed pacman on 4.1 firmware, I'm right? Most current custom ROMs can be installed only on 4.2 stock firmware. First of all try to remove all asus software and drivers for tablet from Your PC and install nacked drivers. Then reinstall stock firmware through fastboot(I hope You know how to enter fasboot mode) to fix tablet (use firmware version as You have before brick or newer).
Click to expand...
Click to collapse
Ok perfect i was just on the asus website and there is newer firmware available as of 2013 9 13 so i will try this out thanks so much!

Graiden05 said:
It looks like You installed pacman on 4.1 firmware, I'm right? Most current custom ROMs can be installed only on 4.2 stock firmware. First of all try to remove all asus software and drivers for tablet from Your PC and install nacked drivers. Then reinstall stock firmware through fastboot(I hope You know how to enter fasboot mode) to fix tablet (use firmware version as You have before brick or newer).
P.S.: And CWM doesn't support new ROM as well, so use proper version of TWRP.
Click to expand...
Click to collapse
OK i installed naked drivers on a pc that had never seen the tablet before or any asus device for that matter...your link to fastboot seemed really confusing to me so i just downloaded Minimal ADB and Fastboot using post 2 on this guide http://forum.xda-developers.com/showthread.php?t=2277112 and then tried to flash the stock asus firmware following instructions from post 4 but the commands all came back with problems
ill post the screenshot any input is greatly apreciated!

Try to use usb port on rear side of desktop PC. Front usb ports and laptops can cause problems to fastboot.

Alright I'll have to find a desktop thanks for your help and as far as the commands I used, was i doing everything right? is there difference in commands when flashing a custom ROM and flashing stock firmware through fastboot?
I can use commands like fastboot reboot-bootloader and fastboot devices they work successfully
Sent from my SAMSUNG-SGH-T989 using xda app-developers app

Tried on my old desktop running xp using the back USB port and got the same errors I also tried extracting the blob from the rom and flashing that and got no response from fastboot. after an hour I reset the tablet and nothing has changed...
Sent from my SAMSUNG-SGH-T989 using xda app-developers app

Try to use following command with blob file from unpacked stock firmware
Code:
fastboot -i 0x0B05 flash -w -u staging blob
.

Still no response from fastboot but I found this thread not sure if it applies to my case but I'm going to try later
http://forum.xda-developers.com/showthread.php?t=2179874&page=19
Aperently these commands will fix the issue... Asus was charging $200 for a motherboard replacement
fastboot erase system
fastboot erase recovery
fastboot erase userdata
fastboot erase boot
fastboot erase misc
fastboot erase cache
fastboot -i 0x0B05 flash system blob

[EXPERIMENTAL] [RECOVERY] [TWRP] Vivo V3 (non-max) Custom Recovery

[size=+2]TWRP Custom Recovery for Vivo V3[/size]
This is an experimental custom recovery for Vivo V3 based on TWRP version 3.0.2-0. You can use this recovery to flash custom ROMs and other flashable ZIPs. Full root access is available via an ADB shell.
Important - read before flashing
This is an experimental recovery. Whilst it will not prevent your device from booting back in to its normal ROM, I am not responsible for anything that goes wrong. If you flash this recovery to your device you will no longer be able to receive OTA updates for Funtouch OS and will have to install ROM updates manually unless you flash back to original stock recovery.
DOWNLOAD LINK
TWRP Custom Recovery
Flashing Instructions
1. Go to Settings, then More Settings, About Phone, and then tap Software version 10 times. It should now say that you are a developer.
2. Go to Settings, then More Settings, Developer Options. Turn on USB Debugging and Enable OEM Unlock.
3. Connect your phone to your computer. Authorize the USB debugging request on your phone screen.
4. If you haven't already, install ADB/Fastboot drivers. See here for further instructions: http://forum.xda-developers.com/showthread.php?t=2317790
5. Place the TWRP file from the download links above in your current directory
6. Completely power off your phone.
7. Hold the VOLUME DOWN and POWER buttons together until you see a black screen with FASTBOOT options.
8. In a command line window (or using Minimal ADB Fastboot if you used the above instructions), run this command:
Code:
fastboot flash recovery recovery-v3.img
9. If all went well the custom recovery has now been flashed. Use the volume buttons on your phone to select "RECOVERY" from the FASTBOOT options on-screen, then press the power button to confirm. You should now be in recovery mode! Congratulations!
Going back to stock recovery
Currently I have no original recovery image, so you will not be able to go back to stock recovery unless Vivo release it (unlikely).

Note to testers:
You can make a backup of the stock V3 recovery by flashing this TWRP recovery like so:
Code:
fastboot flash boot recovery-v3.img
fastboot reboot
This flashes the recovery to your boot partition rather than the recovery partition. You'll then be able to make a backup of the stock recovery in TWRP. After saving a copy to your SD card, flash back to your original boot partition like so:
Code:
fastboot flash boot boot-original-v3-1.8.20.img
fastboot reboot
Afterwards you can flash this TWRP to your recovery partition as normal and then you also have a stock recovery file too. Please upload it to this forum if you make a backup of stock.
The original stock boot image can be downloaded here if you need it: https://drive.google.com/file/d/0B0TtHsl8vcaLYTJhZHNHTFVfdGs/view?usp=sharing

hi
sorry for my bad english
i am tried with my v3 but when press the recovery button reboot to agin fastboot mode i analyse the recovery it is v3 max recovery img plz upload the device tree i will develiop the recovery
vivo v3 are sd 616 chip set and v3 max are sd652
---------- Post added at 01:57 AM ---------- Previous post was at 01:56 AM ----------
provide step for making the recovery for v3 max i will port to this v3

prabaecepct said:
sorry for my bad english
i am tried with my v3 but when press the recovery button reboot to agin fastboot mode i analyse the recovery it is v3 max recovery img plz upload the device tree i will develiop the recovery
vivo v3 are sd 616 chip set and v3 max are sd652
---------- Post added at 01:57 AM ---------- Previous post was at 01:56 AM ----------
provide step for making the recovery for v3 max i will port to this v3
Click to expand...
Click to collapse
Hello.
Making of custom recovery can be very difficult to explain but this thread tells you how to build TWRP recovery from source code.
Some pointers for building for Vivo V3 SD616:
1. Use Omni 5.1 sources instead of CM (see thread for more info)
2. Download latest V3 firmware from www.vivoglobal.com. Extract boot.img from the ZIP file and then use software called Android Image Kitchen (or similar) to extract the contents of boot.img.
3. From boot.img, find fstab.qcom file and make a note of its contents. You will need this information to make recovery.fstab file for TWRP.
4. From boot.img, find the "device fingerprint" and make a note of it. It's usually in default.prop file or can be somewhere else.
5. Make a note of the kernel command line options from the boot.img zImage split as they may be useful.
Finally:
If you manage to compile a full TWRP recovery for your phone but it does not boot, simply replacing the kernel from boot.img of latest firmware into the TWRP image may fix this. (again use Android Image Kitchen or similar).
I hope this helps. Sorry I can't be of more assistance.

hi i am upload the orinal stock recovery
plz bulid to the twrp our vivo v3
https://docs.google.com/uc?export=download&confirm=2Gic&id=0B-Tl2AxV63-aOFNYTGZvMXQzQ3c

prabaecepct said:
hi i am upload the orinal stock recovery
plz bulid to the twrp our vivo v3
https://docs.google.com/uc?export=download&confirm=2Gic&id=0B-Tl2AxV63-aOFNYTGZvMXQzQ3c
Click to expand...
Click to collapse
Please try this one based on your stock recovery
https://drive.google.com/open?id=0B0TtHsl8vcaLR25fZkR1YkloUTA

Hi i flashed only stock recovery are booting

Can i flash this recovery for vivo y51l

Simple answer no
nimesh.batra93 said:
Can i flash this recovery for vivo y51l
Click to expand...
Click to collapse
you will brick your phone , Only flash your phone`s compatible ROMs and Recoveries i.e those of your phone model and cpu structure . Also Vivo has not open sourced its development as other phone makers so making it custom friendly is freakin pain in the >> A$% . anyhow :good: keep your hopes up someone might just make a custom rom for VIVO once they hack into it. Till then stay away from anything that is not VIVO

For those who need the official VIVO V3 (non-max) recovery, I have the latest version here:
Original recovery image (Global ROM, non max)

Hy @liamcrayden,
do i need to unlock bootloader before i flash the twrp?

Hy @liamcrayden @prabaecepct ,
Seem that i can't install twrp to this devices before unlock it's bootloader.
I've tried to enabled developer option > enable usb debugging > enable OEM unlock
Went to fastboot mode and type : " fastboot oem unlock "
And it just give error message "FAILED (remote: unknown command or device is lock)"
My Software Version is PD1524F_EX_A_1.12.14 Lolipop 5.11 Funtouch OS 2.5
Do i need to downgrade my version?
Really apprecited if anyone can help me.

langithitam said:
Hy @liamcrayden @prabaecepct ,
Seem that i can't install twrp to this devices before unlock it's bootloader.
I've tried to enabled developer option > enable usb debugging > enable OEM unlock
Went to fastboot mode and type : " fastboot oem unlock "
And it just give error message "FAILED (remote: unknown command or device is lock)"
My Software Version is PD1524F_EX_A_1.12.14 Lolipop 5.11 Funtouch OS 2.5
Do i need to downgrade my version?
Really apprecited if anyone can help me.
Click to expand...
Click to collapse
I can finally unlock my Vivo V3 (Not Max). See attachment below.

Sithu Htun said:
I can finally unlock my Vivo V3 (Not Max). See attachment below.
Click to expand...
Click to collapse
Finally I am also unlocked.
Sent from my Vivo vivo V3 using XDA Labs

Sithu Htun said:
I can finally unlock my Vivo V3 (Not Max). See attachment below.
Click to expand...
Click to collapse
I flashed supersu using TWRP but its showing device not rooted

Can anyone provide me the twrp.img file for Vivo Y12

Trying to flash TRWP Moto Z recovery - not working

Hey everyone, longtime lurker here finally going to try to get involved more since I just got a new Moto Z and I don't have much of a background with motorola hardware/software. I'm trying to flash recoveries through fastboot and I can't seem to get it working. I'm probably going to wait a while before I try again since there is not much support for the moto z yet. I am running MPL24.246-45 v6.0.1 XT1650-03, I have unlocked the bootloader through the instructions on the motorola website.
On the bootloader screen I can confirm it is now unlocked, but everytime I flash the TRWP recovery through fastboot I get the error message: "<bootloader> img not working or corrupt". I am trying to flash the most recent twrp recoveries for moto Z (twrp-3.0.2-0-griffin.img) but wasn't able to successfully flash it.
Coming from a samsung background, I might be skipping a step or doing something wrong. I am running the bell canadian firmware. Since I messed up my partitions on my last phone I want to be careful with this one, I mostly want to figure out why I am getting this error while trying to flash the recovery when
my bootloader is unlocked and when I check "adb devices" my moto is being read.
Thanks!!
szork

spacezork said:
Hey everyone, longtime lurker here finally going to try to get involved more since I just got a new Moto Z and I don't have much of a background with motorola hardware/software. I'm trying to flash recoveries through fastboot and I can't seem to get it working. I'm probably going to wait a while before I try again since there is not much support for the moto z yet. I am running MPL24.246-45 v6.0.1 XT1650-03, I have unlocked the bootloader through the instructions on the motorola website.
On the bootloader screen I can confirm it is now unlocked, but everytime I flash the TRWP recovery through fastboot I get the error message: "<bootloader> img not working or corrupt". I am trying to flash the most recent twrp recoveries for moto Z (twrp-3.0.2-0-griffin.img) but wasn't able to successfully flash it.
Coming from a samsung background, I might be skipping a step or doing something wrong. I am running the bell canadian firmware. Since I messed up my partitions on my last phone I want to be careful with this one, I mostly want to figure out why I am getting this error while trying to flash the recovery when
my bootloader is unlocked and when I check "adb devices" my moto is being read.
Thanks!!
szork
Click to expand...
Click to collapse
didn't try it yet, but did you try renaming it to recovery.img (if on windows be sure extenstions are shown so it is not actually recovery.img.img) and run (didn't see which command you are using:
Code:
fastboot flash recovery recovery.img
but search around forums about encryption thing and similar

the ljubich said:
didn't try it yet, but did you try renaming it to recovery.img (if on windows be sure extenstions are shown so it is not actually recovery.img.img) and run (didn't see which command you are using:
Code:
fastboot flash recovery recovery.img
but search around forums about encryption thing and similar
Click to expand...
Click to collapse
I've tried both with the original twrp name and extension as well as with renaming it to recovery.img, didn't seem to make a difference. If I am connection to the device itself does that mean that adb/sideload is installed properly? I mean I was able to unlocked the bootloader so I would assume so.
szork

spacezork said:
I've tried both with the original twrp name and extension as well as with renaming it to recovery.img, didn't seem to make a difference. If I am connection to the device itself does that mean that adb/sideload is installed properly? I mean I was able to unlocked the bootloader so I would assume so.
szork
Click to expand...
Click to collapse
i really don't know then.. if you successfully unlocked bootloader then fastboot should be ok. you can check in device manager. it should be bootloader iterface not adb interface there (you got me confused with mentioning adb so I am just writing to be sure).
also check if your device is shown when typing
Code:
fastboot devices
or try redownloading twrp.
otherwise I am out of ideas, sorry.

the ljubich said:
i really don't know then.. if you successfully unlocked bootloader then fastboot should be ok. you can check in device manager. it should be bootloader iterface not adb interface there (you got me confused with mentioning adb so I am just writing to be sure).
also check if your device is shown when typing
Code:
fastboot devices
or try redownloading twrp.
otherwise I am out of ideas, sorry.
Click to expand...
Click to collapse
Sorry for my confusion with adb/sideload - from what I understand I need both to be able to connect to my device (correct me if im wrong). In the bootloader menu I see "flashing_unlocked" which I believe confirms my bootloader being unlocked, but then at the top of the text right under the dead android guy I see "AP Fastboot Flash Mode (Secure)" could that be an issue?
I can retry downloading the recovery from the TWRP site, but I know I'm downloading the official one already, just can't put my finger on why I'm getting that error message if others are doing it successfully.
thanks for helping :good:

Do you have the Verizon model?

samwathegreat said:
Do you have the Verizon model?
Click to expand...
Click to collapse
I have the canadian BELL model XT1650-03

spacezork said:
I have the canadian BELL model XT1650-03
Click to expand...
Click to collapse
You're at the bootloader, it says Flashing Unlock so yes your bootloader is unlocked and you should be able to flash TWRP no problem.
Did you recently install this .45 firmware? Are you sure that TWRP wasnt actually flashed? I see lots of errors like this from the bootloader and its usually just rubbish.

The twrp does not show the actual memory value of my cell phone and does not let me paste ROM backup, from insufficient memory? how to support it?

I updated my phone to .45 when I bought the phone I believe 1-2 weeks ago, it's definitely NOT flashed as the flashing process runs for 0.2 seconds and fails. I can even boot in the stock recovery afterwards confirming that nothing flashed. I wish I knew what I was doing wrong? possibility of drivers not installed properly?
Before I try and flash recovery I check USB debugging, OEM is unlocked, don't verify ADB files and accept Unknown sources. Is there anything I'm missing?

What if fastboot boot twrpname.img
It's really weird anyway...

enetec said:
What if fastboot boot twrpname.img
It's really weird anyway...
Click to expand...
Click to collapse
I've been doing fastboot flash twrpname.img after opening cmd terminal with SHIFT-MOUSE2 in the designated folder. I have not tried that command specifically what's the difference between doing fastboot flash/boot as far as flashing a recovery.img
edit: I've read on different articles that people sometimes try and flash from the recovery menu? I understood it has to be while your are on the bootloader screen, could it be something to do with that? Or is it still a possibility the drivers may not be installed properly.

spacezork said:
I've been doing fastboot flash twrpname.img after opening cmd terminal with SHIFT-MOUSE2 in the designated folder. I have not tried that command specifically what's the difference between doing fastboot flash/boot as far as flashing a recovery.img
edit: I've read on different articles that people sometimes try and flash from the recovery menu? I understood it has to be while your are on the bootloader screen, could it be something to do with that? Or is it still a possibility the drivers may not be installed properly.
Click to expand...
Click to collapse
With fastboot boot you send recovery to your phone and ask it to boot on it without really flashing it...
It's useful e.g. to take a full stock backup including original recovery, to test a recovery prior to flash it or to use TWRP to root BUT remain on stock recovery...
Not on all phones it works, but on Moto Z should....
P.S.: you have to be on fastboot screen not on recovery when flashing...

enetec said:
With fastboot boot you send recovery to your phone and ask it to boot on it without really flashing it...
It's useful e.g. to take a full stock backup including original recovery, to test a recovery prior to flash it or to use TWRP to root BUT remain on stock recovery...
Not on all phones it works, but on Moto Z should....
P.S.: you have to be on fastboot screen not on recovery when flashing...
Click to expand...
Click to collapse
by fastboot screen you mean the bootloader menu right?
I've been accessing cmd from designated folder with .img file in it
- adb fastboot recovery
- fastboot flash recovery.img..
and I get the "img not working or corrupt" after it tries to flash it (lasts 0.2 seconds) and nothing is done.

spacezork said:
by fastboot screen you mean the bootloader menu right?
I've been accessing cmd from designated folder with .img file in it
- adb fastboot recovery
- fastboot flash recovery.img..
and I get the "img not working or corrupt" after it tries to flash it (lasts 0.2 seconds) and nothing is done.
Click to expand...
Click to collapse
Right, bootloader screen. Enter on it by key-comb... not by command...
Even the real flash take same time... Sending seems to work, is something on verify that doesn't "like" it...
Try to download again recovery and/or check its MD5...

if reading correctly (and what I told you yesterday) command is
fastboot flash recovery recovery.img
and not
fastboot flash recovery.img

hi can any one help me i need to get back to stock and lock boot loader to update i have eu any one please ???????????

Troll amiga said:
hi can any one help me i need to get back to stock and lock boot loader to update i have eu any one please ???????????
Click to expand...
Click to collapse
try following this instructions: http://forum.xda-developers.com/showpost.php?p=69065373&postcount=14
and download eu rom from here: https://mirrors.lolinet.com/firmware/moto/griffin/official/RETEU/
i don't know from which ROM you are coming, don't know if downgrading works, but this was onl RETEU ROM i could find.

I have the exact same phone and I've upgraded to Nougat but I got my TWRP working. You need an unlocked bootloader and after upgrading to nougat, the option "unlock OEM" need to be enabled again.
I've used this TWRP : https://dl.twrp.me/griffin/twrp-3.0.2-0-griffin.img.html
Also I tried to only boot on it at first with the command fastboot boot twrp.img then I saw it was working, I flashed it with fastboot flash recovery twrp.img but got the error : (bootloader) image not signed or corrupt . But I booted the recovery from the bootloader and TWRP was working even with this error.

cilk said:
...I flashed it with fastboot flash recovery twrp.img but got the error : (bootloader) image not signed or corrupt . But I booted the recovery from the bootloader and TWRP was working even with this error.
Click to expand...
Click to collapse
Yeessss... I don't know how could I forgot it!!! :silly:
The message (I forgot I received too...) is *only* to indicate that recovery is not signed! But before there is a clear "Done" confirming the flash!
Just boot on it!

[need help] asus zc520kl [x00hd] any working rom with twrp

Update/Solved:
Currently the only way for people who deleted their OS completely in this phone model X00HD/ZC520KL is to restore the official firmware.
You can ask for a backup recovery folder in XDA Forums ( https://forum.xda-developers.com/zen...help?nocache=1) if you do not have made a backup with people who have the same phone model. You must have TWRP previously installed and bootloader unlocked. Flashing the official firmware via .zip files is not working with twrp, you must restore the folder. After having the files needed, your recovery folder will not appear on the RESTORE section so follow this simple tutorial to make it appear there (https://youtu.be/trlG3ZxwQxI)
This method will bring your phone back to life if you're stuck in TWRP Recovery Mode with "No OS installed". This method is working and it's the only way for you to use your phone again until developers create custom ROM's for this model.
DEVICE INFO:
ASUS ZENFONE 4 MAX ZC520KL [X00HD]

Please, can anyone reply? I need an answer. Thanks for your time.

https://forum.xda-developers.com/zenfone-4-max/how-to/zenfone-4-max-rom-twrp-flash-twrp-t3776287

jenere said:
https://forum.xda-developers.com/zenfone-4-max/how-to/zenfone-4-max-rom-twrp-flash-twrp-t3776287
Click to expand...
Click to collapse
This ROM is for is for the Asus model of ZenFone 4 Max ZC554KL [X00ID]. My device is the same but the model is ZenFone 4 Max ZC520KL [X00HD]. Will it work also on my device? :fingers-crossed:

jenere said:
https://forum.xda-developers.com/zenfone-4-max/how-to/zenfone-4-max-rom-twrp-flash-twrp-t3776287
Click to expand...
Click to collapse
Hello, I tried your solution. It did not work. I keep getting Error Number 7 when flashing the ROM. Plus I also tried to delete the assert line in the uptader-script of the ROM you gave me the link after learning from a tutorial how to solve Error Number 7 and after that I got another error: Invalid Zip Format. I don't know what do to more, is this ROM link really compatible with my device? I need urgent help.

ANDROIDMASTER67 said:
Hello, I tried your solution. It did not work. I keep getting Error Number 7 when flashing the ROM. Plus I also tried to delete the assert line in the uptader-script of the ROM you gave me the link after learning from a tutorial how to solve Error Number 7 and after that I got another error: Invalid Zip Format. I don't know what do to more, is this ROM link really compatible with my device? I need urgent help.
Click to expand...
Click to collapse
did you try the stock firmware in the official site for asus? i think installing the the official stock firmware will solve your problem just chose there the proper firmware for.. can i ask if already unlock your bootloader or already change you stock twrp?

jenere said:
did you try the stock firmware in the official site for asus? i think installing the the official stock firmware will solve your problem just chose there the proper firmware for.. can i ask if already unlock your bootloader or already change you stock twrp?
Click to expand...
Click to collapse
Thanks for the attention. I already tried tons of ROM's including the official one for this phone. I keep getting Error Number 7. Sometimes when I force an installation editing the uptader-script file it seems everything is working fine, but at the end of the ROM flash process the phone reboots and goes back to TWRP like everything had never happened. I have never seen a successful feedback, just the "Failed" message or a unexpected reboot that goes back to TWRP.
I don't know what do you mean with unlocking bootloader as I have no ROM installed and always I turn ON my phone I go to TWRP automatically. My TWRP version is 3.1.1.

ANDROIDMASTER67 said:
Hello, I tried your solution. It did not work. I keep getting Error Number 7 when flashing the ROM. Plus I also tried to delete the assert line in the uptader-script of the ROM you gave me the link after learning from a tutorial how to solve Error Number 7 and after that I got another error: Invalid Zip Format. I don't know what do to more, is this ROM link really compatible with my device? I need urgent help.
Click to expand...
Click to collapse
https://forum.xda-developers.com/showthread.php?t=2302599 did you try this?
---------- Post added at 01:50 AM ---------- Previous post was at 01:45 AM ----------
there's alot of tutorial video in google and youtube showing how to fix error code 7 when flashing rom

jenere said:
https://forum.xda-developers.com/showthread.php?t=2302599 did you try this?
---------- Post added at 01:50 AM ---------- Previous post was at 01:45 AM ----------
there's alot of tutorial video in google and youtube showing how to fix error code 7 when flashing rom
Click to expand...
Click to collapse
Not working, as I said before, I've already tried to solve this Error. Either 3 things happen: the installation seems to be running good but at some point the device automatically reboots to it's original condition of TWRP (Liniage OS flash and after editing the file to solve Error Number 7 + I get a message saying "Invalid zip format" (Official Asus Firmware flash after editing the file to solve Error Number 7) + I get Error Number 7.

Backup ROM
Hi, I have the same model and I have TWRP as well. I think I can make backup of my ROM an upload it so you can install it on your phone, would that work for you?

pantarz said:
Hi, I have the same model and I have TWRP as well. I think I can make backup of my ROM an upload it so you can install it on your phone, would that work for you?
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Click to collapse
Hello @pantarz, yes, give me your backup ROM you have in your phone, it should work on mine. I'm really thankful to see people like this these days. Just need the .zip file for the ROM. Thanks in advance.

Currently the only way for people who deleted their OS completely in this phone model X00HD/ZC520KL is to restore the official firmware.
You can ask for a backup recovery folder in XDA Forums ( https://forum.xda-developers.com/zenfone-4-max/help?nocache=1) if you do not have made a backup. You must have TWRP previously installed and bootloader unlocked. Flashing the official firmware via .zip files is not working with twrp, you must restore the folder. Your recovery folder will not appear on the RESTORE section so follow this simple tutorial to make it appear there (https://youtu.be/trlG3ZxwQxI)
This method will bring your phone back to live if you're stuck in TWRP Recovery Mode with "No OS installed". This method is working and it's the only way for you to use your phone again until developers create custom ROM's for this model.

Hi @ANDROIDMASTER67, @pantarz I also break my phone ZC520KL ( X00HD ). It shows "no os installed" and "error 7" when I try to install a ROM.
Can you please help me fix my phone? If there is a backup that I can get please let me know.
Many thanks in advance.

I've managed to fix it by doing the following:
Copy the original recovery from a firmware package.
I could find one in the file https://androidfilehost.com/?fid=11050483647474829889, location /Asus_Zenfone_4_Max_ZC520KL_20171225/Firmware/recovery.img
Load default recovery
fastboot flash recovery recovery/original-recovery.img
Restart to bootloader
fastboot reboot bootloader
Load flashboot mode
choose the option "update using adb"
ensure that adb can locate devices with
adb devices
load firmware with
adb sideload UL-ASUS_X00HD-WW-14.2016.1805.374-user.zip ( try download from: https://www.beritahuaja.com/2018/11/download-stock-rom-asus-zenfone-4-max-zc520kl.html )

Easy way with only fastboot
1. Get adb and fastboot drivers
2. go to this page h ttps://addrom.com/raw-rom-for-asus-zenfone-4-max-zc520kl/ Dowload the original firware
3. Extract the files inside the your disc C:Adb
4. Go to your celphone and enter in fastboot mode... then conect the celphone to your computer ... then use cmd " fastboot flash recovery recovery.img" .. this is for restore the original recovery if you have twrp.. if you dont have it , its no neccesary ..
5. in fastboot mode , go to Inside the firware search flashall_AFT.bat , double clik , wait until finish
6. go to recovery mode wipe/factory reset and tadaaaa! Your Os is restore again :bueno:

asus-zenfone-4-max-zc520kl
Luisanchez70 said:
1. Get adb and fastboot drivers
2. go to this page h ttps://addrom.com/raw-rom-for-asus-zenfone-4-max-zc520kl/ Dowload the original firware
3. Extract the files inside the your disc C:Adb
4. Go to your celphone and enter in fastboot mode... then conect the celphone to your computer ... then use cmd " fastboot flash recovery recovery.img" .. this is for restore the original recovery if you have twrp.. if you dont have it , its no neccesary ..
5. in fastboot mode , go to Inside the firware search flashall_AFT.bat , double clik , wait until finish
6. go to recovery mode wipe/factory reset and tadaaaa! Your Os is restore again :bueno:
Click to expand...
Click to collapse
i have unlock bootloader after flash this firmware relock it agin ?

Amadu said:
I've managed to fix it by doing the following:
Copy the original recovery from a firmware package.
I could find one in the file https://androidfilehost.com/?fid=11050483647474829889, location /Asus_Zenfone_4_Max_ZC520KL_20171225/Firmware/recovery.img
Load default recovery
fastboot flash recovery recovery/original-recovery.img
Restart to bootloader
fastboot reboot bootloader
Load flashboot mode
choose the option "update using adb"
ensure that adb can locate devices with
adb devices
load firmware with
adb sideload UL-ASUS_X00HD-WW-14.2016.1805.374-user.zip ( try download from: https://www.beritahuaja.com/2018/11/download-stock-rom-asus-zenfone-4-max-zc520kl.html )
Click to expand...
Click to collapse
It works. It really works. You have saved my Asus X00HD. Thank you.

Luisanchez70 said:
Easy way with only fastboot
1. Get adb and fastboot drivers
2. go to this page h ttps://addrom.com/raw-rom-for-asus-zenfone-4-max-zc520kl/ Dowload the original firware
3. Extract the files inside the your disc C:Adb
4. Go to your celphone and enter in fastboot mode... then conect the celphone to your computer ... then use cmd " fastboot flash recovery recovery.img" .. this is for restore the original recovery if you have twrp.. if you dont have it , its no neccesary ..
5. in fastboot mode , go to Inside the firware search flashall_AFT.bat , double clik , wait until finish
6. go to recovery mode wipe/factory reset and tadaaaa! Your Os is restore again :bueno:
Click to expand...
Click to collapse
you save me
THANK YOUUUU