yashsingh1/xdaforums huggingface dataset:
[LeEco Le Pro3 Guides, News, & Discussion] tylerciggy:
Well, closing update (for now).

I managed to get an x820 for $25 bucks. I can confirm several ways of entering the EDL mode and none of them is working for my x722.

I bought 3 new cables (a bundle for $7), they all work fine on the x820, but they make no difference with the x722.

At the end, I decided to open the screen and managed to do so (or at least I think I havent damaged my screen).

Disconnecting the battery didn't resurrect it, neither helps to go into EDL.

Disconnecting the charging module doesn't seems to be working either, although I need more tests in this, there is a red light were I guess the infrarred is and it's pattern seems to be just the same when the charging module is connected.

I think this may be a hardware issue concerning a reballing.

$150 bucks for one year and a half of use, I feel so scamed =/

Damn you android 9.
[LeEco Le Pro3 Guides, News, & Discussion] facufox877:
help

I flashed the qfil file and finished well but it never turned on or vibrated. the screen is still black
[LeEco Le Pro3 Guides, News, & Discussion] tylerciggy:
Indeed, entering in QDL mode via "phone off, power up + cable" doesn't vibrate at all, but PC detects it inmediatly.

I have seen that sometimes they recommend to flash the QFIL twice or three times before it really works.
[LeEco Le Pro3 Guides, News, & Discussion] tsongming:
If you have just a standard hard brick, and you have properly installed all drivers, and have the correct Qfil it practically always works. Otherwise, QPST or the flashall.bat method will work.

These processes are usually seamless and take no more than 5 to ten minutes. If the Qfil restore finishes and you still have an issue with a black screen, then the odds are that you have a hardware issue: Most likely broken solder. However it could also be heat related damage, that worsened with exposure to excessive heat.

Unfortunately a lot of people with X722s experienced the exact issue, while others could flash Qfil or use the flash all.bat method and were fine.

But it's not just the X722's

In my house we have bought a total of 5 Le pro 3s and 2 x522's Three of the X727s ended with hardware issues, and two still work. Both of the X522's still work. ( The oldest Leeco's)

It's my opinion the older "original" LePro3' s made during the summer of 2016 are probably better made with better quality parts.

The LeEco phones that were manufactured at a later date, supposedly use lesser quality components.

Per an old XDA user who lived in Shenzhen ( next to where these phones were assembled) Later confirmed by an article in South China morning: When LeEco started having financial issues, their A grade suppliers shut them off, causing them to source out B and C grade components cast aside by other phone manufacturers.

This definitely explains the massive amount of users with hardware issues.
[LeEco Le Pro3 Guides, News, & Discussion] tylerciggy:
Did you open any of these ?

It could be nice if you tell me if you did see the "IR" led being lighted (I know IR sensors doesn't have any color, it is a led below the actual IR sensor) when you had the phone charging.

What I find curious is that people that can go into EDL mode feels the phone getting warm, kinda hot, just like a reballing issue (an improper name for broken solder in BGA chips, like the CPU).

What I find strange, its that the phone doesn't turn on the screen. In my experience with reballing issues with laptops and motherboards, is that if they work, they can be totally functional or mostly functional (like 85%) or they don't work at all.

In my case, I may have had a luckly reflow, because that time I let my phone charge like 14 hours and after letting cooling it down after some tests, it lived, barely lived. I got EDL an a primitive recovery and fastboot, although the second time I got a locked EDL and couldn't go into recovery, neither into fastboot.

I did the recovery/fastboot button combo in the EDL mode in my x820 and it went to a normal twrp recovery and normal fastboot mode (I didn't have the vibration patterns I had with my bricked x722).

In the case of those with dead screen but working EDL mode (I wish they could confirm me if they are entering into primitive recovery mode), it's a good sign that is not a broken solder (at least not in the CPU), that is if you can enter every single time into EDL withouth a hitch and that means it's probably another component that is at fault (just probably).
[LeEco Le Pro3 Guides, News, & Discussion] tsongming:
I do not have a X722. But I have plenty of these phones opened in fact I just donated some parts to help out an XDA friend.

Tge only thing that matters when determining your mode it whether or not you see port 9008 in the system device manager.

As I mentioned others with X722 such as [MENTION=8135894]Distri[/MENTION]buter experienced the exact same issue that you are experiencing. In his case the problem was with the drive.

If you read through my threads and posts you will find that I have provided very detailed steps to try. With bricks, these steps absolutely work. I posted photos of the interior of the phone several posts. As you mentioned, sometimes the red light doesn't always flash and yet the phone can still be recovered. Other times, there is nothing you can do short of using a jtag interface to reprogram the ROM or just replace the chip or board.

In some cases dissassmbling, disconnecting, discharging the board and then reconnecting the battery resolves issues caused by static.
[LeEco Le Pro3 Guides, News, & Discussion] tsongming:
[MENTION=6766277]tylerciggy[/MENTION]

One thing that I forgot to mention. The flex cable that connects the USB card to the motherboard.

If the flex cable has an issue, such as a short, or if it's not fully seated it can cause issues, if you can open your phone unseat the flex cables along with the battery. Press and hold the power button for a few seconds then reseat. You can test whether or not this will work with the phone still partially assembled.
[LeEco Le Pro3 Guides, News, & Discussion] tylerciggy:
I havent seen those pictures, I'm not sure if I didn't see the threads or if I did skip the pictures (because originally I was looking for a substancially different information), and I don't recall the thing about Distributor, I'm sure I missed that thread.

I did dissasembled the phone, but not fully (although I didn't disconnected the finger sensor, just didn't see how), I did the trick of discharging while everything disconnected but the buttons. I even manually discharged the board (just by checking it's voltage with a multimeter).

It's not plain dead, as the phone can charge the battery and at this point I'm not sure anymore if it is really a hardware or software issue. Hope the repair won't cost me beyond $25 bucks (in my country is a little cheaper than big countrys)

Ohh, I almost forget to mention. In my X820 (I still can't believe I bought one for $25), it goes into EDL after 9 seconds of button combination, but without vibrating. My x722 does vibrate after 9 seconds if I keep pressed power or vol up + power (it does a different pattern if I vol down + power, and is the same pattern for vol up + vol down ), so I feel like my phone maybe is trying to go into EDL but failing at doing so., maybe it's just coincidence.
[LeEco Le Pro3 Guides, News, & Discussion] facufox877:
hello, I flashed it several times after doing so I disconnect the cable I press power and nothing does not vibrate or turn on
[LeEco Le Pro3 Guides, News, & Discussion] tylerciggy:
Which phone are you using ?

This thread has the Qfil for the X720/X727, if you are using the X722 you need the Qfil from the F.J.V thread.

If you are using other model, like x820, you need to find the Qfil for that specific mode.

Is your program flashing succesfully ?

Sometimes the EDL gets blocked and you can't flash it. You need to reboot into EDL every single time you are trying to flash something.

If flashing with Flash2.0 is not working (flash2.0 is the "main.exe" file that you are asked to run in this tutorial) you need to try to flash the QFil via the Qfil app from the Qualcomm suite (called QPST).

Everything is in the first post of this thread, although I found the newest QPST to install more succesfully than the one here.

Try to go into Recovery or into Fastboot after you get into EDL. Press the usual button combination for 15 seconds (up+power for recovery, down+power for fastboot), you still won't see nothing in the screen but you may probably feel some vibrations when doing this.
[LeEco Le Pro3 Guides, News, & Discussion] facufox877:
I have x727 ends well disconnected I press power but nothing happens does not vibrate just enter qfil mode ,

I never tried the qfil app I can't find the files to flash..
[LeEco Le Pro3 Guides, News, & Discussion] facufox877:
hi now vibrate and load adb and storage drivers fastboot everything but the screen still black... :confused:
[LeEco Le Pro3 Guides, News, & Discussion] tylerciggy:
How did you managed to do that ?

You should try to go EDL again (press vol up + vol down + power, I strongly recommend you to do this while still connected to the PC) and flash the Qfil again.
[LeEco Le Pro3 Guides, News, & Discussion] facufox877:
flashing... mm i flash 10 times and the screen still black ...
[LeEco Le Pro3 Guides, News, & Discussion] tylerciggy:
First big question, is it a succesful flash ? Maybe you are trying to flash into a blocked EDL.

According to one post of tsongming in another thread, if you can go into EDL but CANT go into recovery or fastboot, is hardware damage (most probable broken solders of cpu/gpu, or maybe another IC)

When you reboot your phone (you need around 30-60 seconds if the phone is "alive"), does it reboot again into EDL ?

Maybe the phone is alive and your screen is just dead.

You know you arent in EDL if you connect the phone (without any button combination) and device manager don't show you the 9008, otherwise you are still in EDL.

You can try to go into recovery or fastboot and reboot from them.

In recovery is:

adb reboot

In fastboot is:

fastboot reboot

(yeah, that simple)
[LeEco Le Pro3 Guides, News, & Discussion] facufox877:
yes finish all ok , i flash always my phones but

It always completes the falsh with the controllers and everything, but that happens is the black screen happens enters all modes (fastboot, edl, adb) the screen worked before brick
[LeEco Le Pro3 Guides, News, & Discussion] tylerciggy:
Which is your mother language ? Sometimes I feel some words confusing and I feel sometimes you don't get me. (maybe my english is not good enough, this isn't my main language).

You didn't answer my last question.

Can your phone boot "normally" ? (if it doesn't you can try to force it by doing the adb reboot or fastboot reboot). I know your screen is not working, but you can know if your phone is booting normally by looking if you get an adb devices response after rebooting, but if you see the 9008 in device manager after the reboot, then your phone isn't booting the system.

Your case feels pretty much similar to mine.

Originally I connected the charger and the phone died. I couldn't enter EDL mode no matter what. Then, it suddenly worked when I connected it to the PC.

I managed to backup my data and tried to fix the system, but I never got the screen to go live, then it died after a reboot.

I couldn't go into EDL again and then at somepoint I could again, but I couldnt go to recovery and fastboot this time, and the EDL was blocked. After a reboot, it "died" again.

I removed the screen and did a lot more of tests... my phone probably has a hardware failure (bad solders probably in the gpu)

So, this brief story is to ask you this:

Have you turned off the phone ? (by this I mean let the battery get drained).

If your problem is some bad solders, your phone will be alive as long as it "on", but probably will die as soon as the phone get cold after being shutted down.

If you can "turn it on" after getting the battery drain, you may probably still are dealing with a software brick.
[LeEco Le Pro3 Guides, News, & Discussion] classiqq:
The link seems to be dead. It says "OOPS! no mirrors found." when trying to download. I would be very thankful for a reupload.
[LeEco Le Pro3 Guides, News, & Discussion] tsongming:
It would be a great if you pointed out which link is dead. Although I

barely use / in reality, no longer use the Le Pro 3

I don't mind keeping this thread up to date.

Just so you know, to call someone's attention to a comment on XDA, just type an Ampersand @, followed by user's name for example [MENTION=7330717]classiqq[/MENTION] I will check right now, but in case I don't find it which link is dead? If its AFH, just refresh the page a couple of times.

This part is for other readers

Although I have mentioned this on this thread several times, unfortunately I need to say it again. Unless I know you, do not PM me and say I have a brick... please help me. <<<< I am not trying to be jerky, but this happens way, way too much., and usually those people PM me 10 times and never do so much as just clicking thanks.

Sorry but If you absolutely must PM me about brick, then maybe visit my Paypal first. Because everything that you could possibly ever need to repair your brick is already right here on the OP and there is a couple of additional methods in the first couple of comments.

I don't have any secret additional information to give by a private message. Most of the people who message me come here and just glance over the OP then immediately PM me, wanting me to repeat the exact same steps privately. Seriously just read the instructions, it's really not that hard to resolve a brick!

As Ryan george would say: it super easy, barely an inconvenience. :D

If its a real actual brick or is it hardware issue?

Most likely you will have a black screen and Red flashing light: This definitely means a hard brick and that is super easy to fix.

No light, but there is vibration, when place in EDL often means a brick also, and is usually repairable.

Black Screen and Blue flash Led means the battery is shot or your flex cable are bad.

Only being able to access fastboot, with a distorted screen and the phone constantly reboots : is a CPU issue, either a burned CPU or broken solder joints, this definitely is NOT a brick in this case its much worse, a serious hardware issue, give up and buy a new phone

Which method is best?

Personally, I feel that the Flashall.bat method is absolutely the best method, way easier than using Flash 1.9 or 2.0 and Qfil and no hassles. But sometimes it doesn't work for some.

The 2nd easiest method is Flash 2.0 and Qfil, just make sure everything is installed...again the instructions are on the OP.

The third method is QPST, it's actually extremely easy as well. But much easier if you have un-bricked these phones a lot of times. The first time may be challenging for some so I would suggest flashall or Qfil/flash method over QPST

Good Luck, and remember to click thanks, that is the main motivation.
[LeEco Le Pro3 Guides, News, & Discussion] izsurk:
Hi,

thank you for your work and for providing the knowledge to the community.

I have a simple question: Is bootload-unlock possible on all EUI-versions of X720?

Thanks for your help in advance,

Michael
[LeEco Le Pro3 Guides, News, & Discussion] cdessos:
I can't seem to enter edl mode neither with using button combo nor with adb ( device '(null)' not found). Are there any drivers specific for x722?
[LeEco Le Pro3 Guides, News, & Discussion] tsongming:
I no longer have any working le pro 3's. but I just happened to look here and saw your post.

Unfortunately you didn't provide much info:

Are you looking a black screen?

Do you see a flashing red Light, is the phone vibrating?

Most importantly what do you see in device manager, and are you using USB 2 port?

Keep in mind that you are better off using a USB2 port, so avoid using USB 3.

Make sure that you try using the flashall.bat method first, You can manually flash one file one at a time if needed. ( This recently worked for Cindy. (Thank you very much Cindy, for your donation, I bought a Pizza!)

Next, go back and read the OP: I described several ways to access EDL on the OP. It's under the section called "Modes", "Qualcomm EDL Mode" and under "Adb method" those are the only way to get into EDL mode. Did you check to see if the port is listed in device manager as instructed? If so you are already in EDL mode.

If you get it running, I have some advice: sell it ASAP

The reason that I say this is because my family has purchased a total of six Leeco PRO 3's over the years. ( 2 of those were were exchanged for a new one, which both ended up failing as well.) and we also bought 2 X522's Every single one of those Le Pro 3's eventually failed with a motherboard hardware problem. but they did provide years of enjoyment, and I would still buy the phone again, because it was a great phone at a great price.

Bottomline, Bricks are easily fixed, but when you have a hardware issue it's time to buy a new phone. Don't waste your money and time trying to repair an old Le Pro 3, it's not worth it. Because, yes it will absolutely fail again. Some people are lucky and their phone still works, but the majority of these phones were made from B grade parts and will ultimately fail, as evidenced by the spare part market that has completely dried up.

If you only have a simple brick: the instructions on the OP will absolutely restore your phone. As mentioned, it has worked for a lot of people

Unrelated Note about attached photo

I tried to frankenstein one working X727 out of the 3 full phones and parts from a fourth and my attempt failed because every single one of these phones has a CPU issue, including one that will boot and restart in a loop. ( not a bootloop)

Meanwhile, the oldest Leeco phones that we own the 2 X522's (LEECO LE 2's) are still working flawlessly, as they should. I strongly believe that the original batch of le pro's were designed to have a lifespan of 2 years, we know that they were made using B grade parts especially by 6 months after the release of the first batch.

Sorry for the bad news. but if you followed the steps outlined in this thread along while using the correct Qfil, you definitely have a hardware issue. Again make sure to try flashall.bat, and bypass the whole flash 2.0 process.
[LeEco Le Pro3 Guides, News, & Discussion] mimi77:
i tried to install over TWRP a custom rom on my X720 but while flashing its turn off and til this time its dead...putting on PC its recognized as QDloader9008 but with Flashone its failed....

ERROR: function: sahara_rx_data:194 Unable to read packet header. Only read 0 bytes.

23:10:46: ERROR: function: sahara_main:854 Sahara protocol error

23:10:46: ERROR: function: main:265 Uploading Image using Sahara protocol failed
[LeEco Le Pro3 Guides, News, & Discussion] tsongming:
Read the instructions on this thread, your answer is on the OP!

Sahara error is usually just a connection issue, it could be a driver, your cable, or the usb port type. If you can see port 9008 under coms in device manager, then you have a very good chance of restoring your phone. The absolute best/fastest method is using flashall.bat method instructions are on this thread. ( see OP)

Also, if you simply post without tagging someone, the odds of someone replying is slim.

I haven't had a working Leeco in a Long time after moving to a Xiaomi device in feb 2019. So I rarely check this section. Follow the instructions on the OP and you should be able to fix it. Make sure that you have adb and drivers up to date , make sure that you are using a USB 2.0 port.

Good Luck
[LeEco Le Pro3 Guides, News, & Discussion] mimi77:
well i tried the flashall.bat method but there comes:" Waiting for advice"..i put two Le Pro3 on the USB2.0 port...the bricked one and another which is not bricked ... both shows "waiting for advice"...although they are recognized as QDloader9008 in devicemanager...but in Qfil tool its at first not recognized...i must got to select port manually...
[LeEco Le Pro3 Guides, News, & Discussion] tsongming:
I have unbricked a countless amount of Leeco phones using these exact methods generously provided on this thread. To go on, there are also several alternative instructions also included on the OP and absolutely those methods also work, for actual bricked phones. ( not hardware issues) You are waiting on device message again points to a communication issue which again if it's not the port it’s the driver.

The second Leeco is irrelevant unless it is also in EDL mode. If it was in EDL then you need to focus on what windows is doing that is preventing the restore process.

As mentioned on the OP, this could be caused by a corrupted file, corrupted driver, possibly caused by antivirus or firewall blocking communication. My guess is that Windows is causing the issue. Worst case push the files from the qfil manually by flashing them one at a time, that is basically what flashall.bat is doing anyway.

Even though it's been said a hundred times on this thread, if one method fails move on to the next method. Worst case mail the phone to me and I will unbrick it for you.....I will charge you a very small fee.

Back to the driver issue, check back here in five minutes. I will attach a batch file that will clear a potential driver conflict from your registry.

Edit: Download attached file

Unpack USB Fix and then double click the batch file, if your issue was caused by the infamous usb issue caused by Windows 10 updates this batch file will resolve that issue.

PS : Good manners on XDA is clicking thanks when someone spends their time attempting to help you.
[LeEco Le Pro3 Guides, News, & Discussion] mimi77:
i tried but no positive...perhaps there is not udb-debugging allowed in menü from phone?

RAWPROGRAM file path: C:\Users\hp\Downloads\FlashOne2.0\fix\.\rawprogram5.xml

PATCH file path:C:\Users\hp\Downloads\FlashOne2.0\fix\.\patch0.xml

PATCH file path:C:\Users\hp\Downloads\FlashOne2.0\fix\.\patch1.xml

PATCH file path:C:\Users\hp\Downloads\FlashOne2.0\fix\.\patch2.xml

PATCH file path:C:\Users\hp\Downloads\FlashOne2.0\fix\.\patch3.xml

PATCH file path:C:\Users\hp\Downloads\FlashOne2.0\fix\.\patch4.xml

PATCH file path:C:\Users\hp\Downloads\FlashOne2.0\fix\.\patch5.xml

Start Download

Download Fail:Invalid physical address number

Finish Download
[LeEco Le Pro3 Guides, News, & Discussion] tyogasty:
Hola como estas . Alguna solución para leeco lepro3 x651 , se me brickeo al instalar un twrp , gracias
[LeEco Le Pro3 Guides, News, & Discussion] facufox877:
hello here I am still with the same problem, complete the qfil vibrates but the screen is still black I bought a new screen and that is clearly not the problem .. reboot and I only recognized the port with nothing else! The flashall does not detect the device, I don't know what else to do, do you have email?
[LeEco Le Pro3 Guides, News, & Discussion] hubo123:
Request for a working X720 EUI link. I have the development version of EUI installed. I can't find a matching software update anywhere. Please help​

Cannot download files -Another version of Official Stock: http://bug.letv.com/cn/download/phone/56 request for working link