UnBrick Leeco Phones - LeEco variants X720/X727* Updated with X722 instructions

tsongming · Sep 26, 2018

UnBrick Leeco Phones - LeEco variants X720/X727

Instructions for X722, X720 and X727

Note

Before attempting any of these steps : first try just leaving the phone plugged in for a few hours and wait and see if it comes back to life. It is possible that the cable is bad, your battery stats are off, and the battery is simply on 0% Especially if you have a faint blue light, instead of a red light.

X722 Qfil
This thread was inspired by the new X722 Qfil by @F.L.V For the X722 Elite Owners : these instructions will be helpful for the returning X722 users ready to unbrick their devices with the new F.L.V Qfil
Note If you are new here: the X720/X727 models use a different Qfil than the X722

Modes

* Fastboot: * Press and hold the power button and the volume down (minus) to enter fastboot mode.*
* Recovery:* Press and hold the power button and the volume up (plus) to enter Recovery mode.
* Qualcomm FIL AKA "Emergency Download Mode ( Also called ËDL" Press and hold the power key and the volume up and down key ( at same time!) to enter EDL Note, you have to be in EDL mode to see Port 9008

If you can not get the computer to recognise the phone

Try another usb C cable
Try another usb port
Make sure antivirus is disable
Reinstall android drivers
Reboot the computer
Make sure that your user has admin rights

FLASHALL.bat Method
There are several ways to unbrick, flashall.bat is absolutely the easiest and fastest. Instructions and Rom posted on the post link below.
https://xdaforums.com/showpost.php?p=79854585&postcount=90

Qualcomm EDL Mode

Manual Method
You need to press all 3 buttons Volume up and Volume down + the power button simultaneously
Turn*off and press and hold [*Volume button**+**Power button**] for about 10 seconds to enter*fastboot mode
plug in the data cable to connect the computer

ADB Method
Below are instructions to boot into EDL mode for both ADB and Fastboot method.

How to Boot into EDL Mode via ADB
Setup ADB and Fastboot on your Windows PC.
Enable USB debugging on your Android device.
Open a command window on PC and connect your device to PC via USB cable.
Issue the following command via the ADB command line

Code:

adb reboot edl

└ You may get a pop-up screen on your device to authorize ADB, accept it.

Here are the Files

Qfil and Flash 2.0 https://androidfilehost.com/?w=files&flid=244213
[Qualcomm Diag QD-Loader Windows 10 Drivers :https://www.androidbrick.com/downlo...mm-diag-qd-loader-windows-10-drivers-signed/#
Make sure you place and run Flash 2.0 from the root of your PC I.E : C:/
Do not unzip Qfil yet, when selecting it needs to stay a zip file ( you can unzip later if your computer does not extract the needed files)
Qualcomm Drivers: and QPST https://www.qpstflash.com/
Keep these files. In case you ever need them again and if it works for you.*

Alternate Files if links above are broken:
QPST_2.7.104 For Leeco .zip : https://www.androidfilehost.com/?fid=6006931924117912435
QDLoader HS-USB Driver For Leeco.zip : https://www.androidfilehost.com/?fid=6006931924117912434
FlashOne 2.0 For Leeco.zip: https://www.androidfilehost.com/?fid=6006931924117912440

X722 Owners Go Here Make sure you thank and if you can donate a coffee to @F.J.V

Instructions :

Install the "RELINK HS-USB QDLoader 9008" driver
Plug your phone USB cable into the back of your desktop ( those ports usually have more power)
QFIL mode: Press on vol+ and vol- simultaneously while holding power*
Alternate way to get into edit mode ( Press vol+ and vol- while plugging usb into pc. enter in edl mode.
Per@F.L.V Place Qfil in Main Drive: I.E the C or D, etc primary system drive
Once there uncompress your Qfil.zip Note that your directory is now C:\Qfil, or D:\Qfil.
Launch Flash 2.0 main.exe from within the Qfil directory ( Again its: C:\Qfil, or D:\Qfil.)
To start Flash program : Open Flash 2.0 Folder and click "main.exe"
Within Flash app: Click "Flash Type" window select "Qualcomm - flash dead phone"
Refresh> then you will see that port 9008 is now available
Click "Select file and then choose the Leeco "Qfil" Firmware (The path cannot not contain spaces) If you have trouble selecting the file > Right click on file> click properties > then highlight the path and right click copy> Paste into select file window.
Click the "Flash" button at the bottom of the window.
Once completed, disconnect the phone and power on. To exit the Qualcomm Recovery mode, keep the Power Button pressed for about 1 minute or until the phone will vibrate and restart into system.
After restoring your device with Qfil, the phone memory will display the incorrect amount. The solution is to flash the original stock EUI firmware.

After you have performed all of the steps
* Your Le Pro 3 will have the technicians repair version of EUI.
* The phone may not boot automatically.
* Press and hold the Power Button for 30+ seconds and the phone will vibrate
* Release the power button, it will vibrate again after 10-20 seconds*
* The phone will leave the Qualcomm Repair Mode, and will vibrate continuously for 20 seconds or longer.
* In some cases the phone could take as long as 15 minutes to start. But usually it's faster.
* Immediately you will notice that part of your storage is missing, reformat storage to resolve

Repair Storage
Restore to Default Stock Software for your Device
Option 1: Flash your Zl1 Recovery or My Recovery
Option 2 Flash full stock X720 firmware.
Option 3: Push the latest TWRP Recovery and Root to the phone. > Use SuperSu at this stage, as Magisk will not work yet.

You can use the Leeco Official Rom Downloads
Le Pro 3 : http://bug.letv.com/cn/download/phone/56 ( X720/X727)
Elite : http://bug.letv.com/cn/download/phone/80 ( X722 - Use only with ADB )

Custom Rom Install: ( The All in One Tool provides quick easy options for Stock and Custom Rom installation

Once TWRP is installed,
Format storage and reboot to Recovery

Format.> Type yes. then immediately reboot to recovery > you may see a message that no OS is installed, ignore, check to install TWRP
Reboot to Recovery and place files in Storage via your Desktop or Better Yet: Use an OTG Flash Drive and install from it.
Now you are ready to flash a Compatible Rom, Gapps And Magisk

So that is how you unbrick.

If you would rather have a visual guide the embedded link may be easier for you to follow.
Although the link above is for the Leeco Max 2., the steps are identical!
It's not in English: so use Chrome and enable Google Translate

QPST Alternative Method
Go Here: https://xdaforums.com/showpost.php?p=77723528&postcount=2

Remember to only use the files for the your device and the only Qfil that will work for the X720 /X727 is named : Qfil: le_zl1_qfil_ufs_fix
If you have an X722 go to the F.L.V thread linked above for your Qfil file then you can come back here for instructions if needed.
Good luck, be patient, the first time unbricking can be stressful and will sometimes take a while, mostly because you are not familiar with the steps yet. Otherwise it's usually a fast process.

P.S.

Please Do not spam my PM box, these are the only instructions that you need and there is nothing more that I can give you beyond these instructions.
This year I have received possibly hundreds of PM's concerning bricks. ( Not kidding!) Hundreds!
So I can not respond to PM's about bricks, its too much., especially when the majority of these people never read the basic instructions. So any questions or answers concerning unbricking needs to happen here on this thread I apologise, but I will have ignore PM's with questions about de-bricking your device. However, I myself an hopefully others will check this thread often.

Note : If all else fails and you still can't get it and you absolutely need my help: You can mail the phone to me to attempt to debrick it for you for a small nominal fee or it will make a beautiful paperweight.

Hey recently recovered bricked X722 survivors:
Your help is needed here : Please help with supporting people with bricked phones. It will be greatly appreciated, and since most of you guys recovered you phone for free! Why not help out? We should have a lot of experts! [/COLOR][/B]

It Failed : Start Over

Ensure that your antivirus software is turned off it will detect these tools as a malware and delete parts of the file making them useless.
Did I mention that you should turn off antivirus?
To reiterate: trust that nothing bad will happen, you are already bricked, so turn off antivirus or pay someone to unbrick your phone, for you.
Trust that the people who do these type of repairs for a living rarely use antivirus because most "exploits" can often be be removed manually with ease.

Don’t give up so easily if something goes wrong

Simply do a gut check by rethinking and rereading the steps:
Did you follow instructions?
Did you reboot the computer after installing the drivers?
Uninstall and reinstall the drivers then reboot your desktop.
Did you disable Antivirus?
Unless your phone has hardware issues these steps will eventually work.

To reiterate If you device refuses to unbrick
most likely You missed a step!

Its either your cable, your desktop computer, or the device hardware.
Some X727 owners will have success using Qfil and unbricking and still have a black screen > First check that the phone has actually restarted normally, and is not still in EDL repair mode.
If you checked everything and still have this issue, your LCD may likely need to be replaced.
However, there is a couple of other methods which will be added that may resolve this kind of issue.

Go to post #2 and # 3 on this thread for additional ways to unbrick

Hypothetical Hardware Damage repair for cheap steps listed at this post.

One Last thing:

I understand that you are upset about your phone, but I DO NOT want to read your whining and ranting about Leeco using bad parts or the rom had poor development. IT'S YOUR FAULT PERIOD. >>> YOU decided to use custom roms.
Next, If I am spending my time to help you : you should really click thanks or I might be likely ignore your plea's There is nothing more annoying than spending 20- 30 minutes on multiple occasions, attempting to help someone that can't even click a thank you button. I am not collecting likes...it's simply a matter of common courtesy.
Yay you are now un-bricked! If you want to courteous and buy me cup of coffee, for making things easy for you, it will be appreciated. Have a nice day.

dark_prince · Aug 31, 2020

tsongming said:
Alternate Way to Unbrick Using the QPST Method
tldr.

I finally was able to go through with 100% success on flashing the QPST package via Qfil.

My phone is still on black screen with a strong short vibration everytime i try to turn it on. That's the only sign of life. I can't get the display to show anything to me (it was used only for a month and still is brand new and I don't think that screen is suddenly dead).

Phone still boots into 9008 mode and thats pretty much it. Can't try anything as phone doesn't boot normally. Are there any extra pointers to try the revival?

tsongming · Sep 26, 2018

Alternate Way to Unbrick Using the QPST Method

Keep in mind that issues that remain after using Flash 2.0 or QPST could be caused by your Desktop.

Make sure that antivirus and defender is disabled
Try right clicking on the unknown device listing in Device manager and choose update driver.
Afterwards use the All in One tool to update Android drivers, ADB and allow system wide privileges.
Try another computer if you have one nearby.
Make sure that you are in EDL Qualcomm mode :

QPST - Try Flash 2.0 first before attempting to use QPST. Most of the time Flash 2.0 is a fast and easy way to unbrick your device.

QPST Flash Tool: https://androidmtk.com/download-qpst-flash-tool

B]Update android Drivers on PC, and turn on test signing.[/B]

If your phone is not seen in Device manager:
* Go into QFIL mode: Press on vol+ and vol- simultaneously while holding power*
* Alternate way to get into EDL mode ( Press vol+ and vol- while plugging usb into pc. enter in edl mode. ( See OP for using ADB)
* Now you should be able to see the phone as 9008 Port .
* Install QPST.WIN.x.x installer
* Install Qcom Driver*
* Run Qfil main.exe and set the configuration to download configuration.
* Device Type: Set To UFS,
* Other Options Don't Change. *
* Press Ok To Confirm .
* Select Build Type – Flat Build
* Select Programmer *Choose "Prog _Ufs_Firehose_8996_Ddr.Efl"
* Load *Xml- Choose All Ramprogxxxx —Choose All Pathxxx
* Ensure that you are in EDL mode
* Connect The Usb Cable > Qualcomm Hs-Usb Qdloader 9008 "Port Appears at the top Press Download To Flash , If Flash Failure To Stop , You Need Press Three Key To Power Off Your Phone , And Do Up Step Again To Flash , Try again until successful.

If the steps from the OP and within this QPST post fail:
This link may have additional things to try: http://en.miui.com/thread-266598-1-1.html
If none of this works you unfortunately have a hardware based problem.

tsongming · Sep 26, 2018

Once you have restored your phone, you will need to repair your storage space.. You can do repair several ways. I would suggest that you use one of the two options below:

You could flash my recovery: https://xdaforums.com/le-...clean-t3727920
It has Magisk and Root, though it would need to be updated. But, it will restore you partitions. > From here you can quickly return to using custom roms.

Another Option is return to full stock with the stock Rom : http://ota.scloud.lfengmobile.com/ot...41S-5.9.02.zip
Note this needs to be flashed via ADB or by using the All In One Tool ; it will remove all data from phone and restore the phone as if it just came out of the box.

Edit :
Another version of Official Stock: http://bug.letv.com/cn/download/phone/56

Once the phone is restored by Qfil to the Technicians Repair copy

Boot into fastboot, You can push TWRP and SuperSU to your device as long as its unlocked

Another option
Download the stock Rom, change its name to "update.zip" then use Leeco's Recovery mode to install the software.

Unlock Bootloader and Flash Roms, Gapps and Magisk

HOW TO INSTALL TWRP

Enable developer options
Allow oem unlock
Power off
Hold Volume down + Power for Fastboot mode
fastboot oem unlock-go
fastboot boot twrp.img
adb push twrp.img /sdcard/
Choose "Install" and then "Install Image"
Select twrp.img
Select Partition "Recovery"
Confirm Flash
Reboot to recovery

One more method to try : Flash-all.bat
The .bat file It will automatically flash all of the boot images to the phone. Afterwards your device will be fully restored to stock.

Here is the file: https://androidfilehost.com/?fid=673956719939836266

Coconut tree · Oct 6, 2018

i did the qfil flash everything went perfect but the eui is a dev version and it thinks my phone is x720 and its on 5.8.415d how do i go back to eui 5.8.21s

tsongming · Oct 6, 2018

Coconut tree said:
i did the qfil flash everything went perfect but the eui is a dev version and it thinks my phone is x720 and its on 5.8.415d how do i go back to eui 5.8.21s

This is an edited duplicate post to ensure not only that you get the message, but to benefit others, by making a change to the reserved spot above

Follow instructions here: https://xdaforums.com/showpost.php?p=77723530&postcount=3

After you have restored your phone to full stock : you would need to start from the beginning, to use custom Roms again : I.E, unlock the bootloader etc.

Coconut tree · Oct 6, 2018

tsongming said:
This is a duplicate post to ensure that you see it, and for the benefit of others.

You could flash my recovery: https://xdaforums.com/le-...clean-t3727920
It has Magisk and Root, though it would need to be updated. but, it will restore you partitions.

Another Option is full stock, http://ota.scloud.lfengmobile.com/ot...41S-5.9.02.zip
Note this needs to be flashed via ADB or the All In One Tool ; it will remove all data from phone and restorte the phone as if it just came out of the box.

To use custom Roms again you would need to start from the beginning.

Umm first thank you very much I followed your instructions on how to unbrick my phone it worked but I don't have TWRP and for some reason my phone won't connect to my PC can that file be flash via the stock recovery?

tsongming · Oct 6, 2018

Coconut tree said:
Umm first thank you very much I followed your instructions on how to unbrick my phone it worked but I don't have TWRP and for some reason my phone won't connect to my PC can that file be flash via the stock recovery?

Okay,

While in fastboot, You can push TWRP and SuperSU to your device as long as its unlocked

Another option
Download the stock Rom, change its name to "update.zip" then use Leeco's Recovery mode to install the software.

Edit: I a made an Addendum to the post above, with steps you may find helpful

Coconut tree · Oct 7, 2018

tsongming said:
Okay,

While in fastboot, You can push TWRP and SuperSU to your device as long as its unlocked

Another option
Download the stock Rom, change its name to "update.zip" then use Leeco's Recovery mode to install the software.

Edit: I a made an Addendum to the post above, with steps you may find helpful

I appreciate all of your help but I've been searching for the stock ROM for days and can't find it I'm only finding the eui 5.8.28s for the x720 model and I heard that update has lots of bug's with the playstore

andrew2401 · Oct 7, 2018

Coconut tree said:
I appreciate all of your help but I've been searching for the stock ROM for days and can't find it I'm only finding the eui 5.8.28s for the x720 model and I heard that update has lots of bug's with the playstore

Use this thread

https://xdaforums.com/le-pro3/development/le-eco-pro-3-x727-twrp-backup-clean-t3727920

Coconut tree · Oct 7, 2018

andrew2401 said:
Use this thread

https://xdaforums.com/le-pro3/development/le-eco-pro-3-x727-twrp-backup-clean-t3727920

I've read everything on the tread but sorry for the stupid question I'm a noob but it looks like that back up is from TWRP but I'm using leeco stock recovery where I live data is very expensive so I want to know if it will work before wasting my data downloading it??

tsongming · Oct 8, 2018

Coconut tree said:
I've read everything on the tread but sorry for the stupid question I'm a noob but it looks like that back up is from TWRP but I'm using leeco stock recovery where I live data is very expensive so I want to know if it will work before wasting my data downloading it??

If your plan is to return to custom Roms, do what I mentioned earlier.

Push TWRP and SU to your device.
Then boot to TWRP, your storage folder will now be accessible by your desktop computer. If you do not own an OTG adapter, buy one it makes using custom Roms a thousand times easier. They usually cost $3, and you can buy them at Walmart.

Download my Recovery, and unzip the file inside the TWRP folder, in storage. ( This path can only be this deep: Sd/twrp/Brbxxxx/files here ( don't created and name any additional folders after Brbxxxx)

Next boot to Twrp recovery, and click restore, selecting everything.

Now you will have clean stock with TWRP, and Magisk.

From there flash you flash you the latest TWRP...Again yes, the Recovery overwrote TWRP.

Next flash your Rom, Gapps and the very latest Magisk.

If you would rather have stock, there are plenty of versions of stock all over the internet...Every version. When I return home, I will see if I can find a link, or you can just Google " Leeco X720 Stock firmware"

If you foliar stock of Lt flash from And or the AllinOne Tool.

Sent from my LeEco LEX727 using XDA Labs

tsongming · Oct 8, 2018

Okay here is stock 5.8.26.

I added it to my personal mega drive.

Here is the link from my drive

https://mega.nz/#!xB5ggKbQ!OeJbUAGKmlk6AZlzfMjxSGK8OnBkiYsDvdeekTauRag

Yes, it for a X720. It doesn't matter, the X720 and X727 ate the same with the exception of the Sim card, simply flash the radio driver"firmware" from the x727 5.8.20s to remind the phone that it is a X727.

Reminder, I have an X727. My recovery is a X727 5.8.20s recovery.

Sent from my LeEco LEX727 using XDA Labs

Coconut tree · Oct 8, 2018

tsongming said:
Okay here is stock 5.8.26.

I added it to my personal mega drive.

Here is the link from my drive

https://mega.nz/#!xB5ggKbQ!OeJbUAGKmlk6AZlzfMjxSGK8OnBkiYsDvdeekTauRag

Yes, it for a X720. It doesn't matter, the X720 and X727 ate the same with the exception of the Sim card, simply flash the radio driver"firmware" from the x727 5.8.20s to remind the phone that it is a X727.

Reminder, I have an X727. My recovery is a X727 5.8.20s recovery.

Thanks ? and I'm planning on staying on my stock recovery and ROM but I don't think you're noticing that I'm saying I don't have TWRP on my phone and my phone won't connect to my PC is there any way to update without a PC and TWRP?

tsongming · Oct 9, 2018

Coconut tree said:
Thanks and I'm planning on staying on my stock recovery and ROM but I don't think you're noticing that I'm saying I don't have TWRP on my phone and my phone won't connect to my PC is there any way to update without a PC and TWRP?

First you can download the stock rom on the phone, then rename it to update.zip
Then boot to Leeco Recovery and install the stock Rom as a n update,.

If your computer is not seeing the phone, its either a driver issue ( Android USB driver) or the Firewall/Antivirus,
It could also be a corrupted user account. BTW, the account must have admin privileges. If all else fails use a different computer.

Since you restored the phone via Qfil,

Don't forget to enable developer options
Enable usb debugging,
set to MTP File transfer
OEM Unlock is selected.

The All in One tool should be able to show whether or not the bootloader is unlocked, while in fastboot mode.

Now that your phone is fixed read my signature.

Coconut tree · Oct 9, 2018

Coconut tree said:
Thanks and I'm planning on staying on my stock recovery and ROM but I don't think you're noticing that I'm saying I don't have TWRP on my phone and my phone won't connect to my PC is there any way to update without a PC and TWRP?

no luck i downloaded the file change the name to update.zip and i got a error (failed to update cause:corrupted)

tsongming · Oct 9, 2018

Coconut tree said:
no luck i downloaded the file change the name to update.zip and i got a error (failed to update cause:corrupted)

It is really beginning to sound like you skipped a step

Did you do this part?
After your phone boots, you will see that its storage is abnormally 9.71 GB, to fix this just factory reset your phone choosing the option “Format Virtual SD card”. File system will be restored to normal values.

Now there should be no reason why the phone is not seen by your computer, and you cannot install a factory Rom. Unless the phone has hardware damage. ( which would not make sense since you were able to unbrick the phone ) In addition, did you try another desktop user, removing the android drivers and reinstalling? Worst case scenario, if you can't get it PM me, you can mail the phone to me and I will fix it for you ( This happens alot )

Coconut tree · Oct 10, 2018

tsongming said:
It is really beginning to sound like you skipped a step

Did you do this part?
After your phone boots, you will see that its storage is abnormally 9.71 GB, to fix this just factory reset your phone choosing the option “Format Virtual SD card”. File system will be restored to normal values.

Now there should be no reason why the phone is not seen by your computer, and you cannot install a factory Rom. Unless the phone has hardware damage. ( which would not make sense since you were able to unbrick the phone ) In addition, did you try another desktop user, removing the android drivers and reinstalling? Worst case scenario, if you can't get it PM me, you can mail the phone to me and I will fix it for you ( This happens alot )

Well yeah that's the weird part my phone would only charge when it's connected to my computer but windows 10 says it's damage but I did the qfil part without any problem and yes I factory reset my phone so that doesn't make any sense and I tried installing TWRP but no luck I ordered a USB port replacement hope that's the problem. And I would mail you my phone but I'm only 15 and I live in the Caribbean

tsongming · Oct 10, 2018

Coconut tree said:
Well yeah that's the weird part my phone would only charge when it's connected to my computer but windows 10 says it's damage but I did the qfil part without any problem and yes I factory reset my phone so that doesn't make any sense and I tried installing TWRP but no luck I ordered a USB port replacement hope that's the problem. And I would mail you my phone but I'm only 15 and I live in the Caribbean

Okay no worries,
I am not totally convinced that there is an issue with the usb card, although it is possible.

Can you get access to another computer?
If so place all of your files ( All in One tool, Drivers, firmware, Rom, Gapps, Root etc) on a flash drive and take them with you..
If you can simply get a computer to see the phone again, you will be good to go> A computer with Linux would be a great option for testing the connectivity and proving that the issue lies with the Windows drivers or something that is blocking the connection ( Antivirus, etc)

On Windows: Go to the Control Manager> System > Device manager > then go to where it has USB and see if it lists the phone as a unknown device.or by name

If it does, that is the issue. Just uninstall flash 2.0, the qualcomm drivers, and te android usb driver and then reinstall, it could resolve the issue for good.

If you order the card it can be tricky because some of those card come with the option of two flex cable options such as this : You want this one Yellow Flex Cable

In fact, most of the time the issue is just the cable and not the card, those cables, have been known to go bad.

Coconut tree · Oct 10, 2018

tsongming said:
Okay no worries,
I am not totally convinced that there is an issue with the usb card, although it is possible.

Can you get access to another computer?
If so place all of your files ( All in One tool, Drivers, firmware, Rom, Gapps, Root etc) on a flash drive and take them with you..
If you can simply get a computer to see the phone again, you will be good to go> A computer with Linux would be a great option for testing the connectivity and proving that the issue lies with the Windows drivers or something that is blocking the connection ( Antivirus, etc)

On Windows: Go to the Control Manager> System > Device manager > then go to where it has USB and see if it lists the phone as a unknown device.or by name

If it does, that is the issue. Just uninstall flash 2.0, the qualcomm drivers, and te android usb driver and then reinstall, it could resolve the issue for good.

If you order the card it can be tricky because some of those card come with the option of two flex cable options such as this : You want this one Yellow Flex Cable

In fact, most of the time the issue is just the cable and not the card, those cables, have been known to go bad.

I tried it on a different PC still no luck even after uninstalling those you mentioned the weird part is i got my phone to put up in fastboot mode but it was giving me a weird error failed (command write failed (no error))..... I was using the dev rom for a few hours it's pretty stable (but constant red light flashing on the screen "strick mode off in developer options" and phone constantly loosing signal I'm planning on giving up ??? all i want to do is get back to eui 19,20,21s for the American version but it's impossible to find the stock rom online

tsongming · Oct 10, 2018

Coconut tree said:
I tried it on a different PC still no luck even after uninstalling those you mentioned the weird part is i got my phone to put up in fastboot mode but it was giving me a weird error failed (command write failed (no error))..... I was using the dev rom for a few hours it's pretty stable (but constant red light flashing on the screen "strick mode off in developer options" and phone constantly loosing signal I'm planning on giving up ? all i want to do is get back to eui 19,20,21s for the American version but it's impossible to find the stock rom online

Le Pro 3 : http://bug.letv.com/cn/download/phone/56 ( X720/X727)

Edit the link above is the current Official stock : Remember that I gave you the link to an earlier version in Post 2 : https://xdaforums.com/showpost.php?p=77723530&postcount=3

UnBrick Leeco Phones - LeEco variants X720/X727* Updated with X722 instructions

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