Repair Stuck Key On Yamaha Dgx620?

Hither we are again, for another unbrick/rescue mission.

This fourth dimension we will unbrick our LeEco Le 2 x620 / x620 Pro / x625 Pro serial from so-called "Reddish light" brick. If you flash a incorrect ROM using TWRP, your phone will accept no sign of life, just a blinking red calorie-free when y'all plug USB cable and some Mediatek ports under your device manager (if you have drivers installed).

It was much easier for quondam MediaTek serial like x600 or x500 from LeEco to flash an SP Flash tool ROM, only after Helio X20, things changed — there is secure boot protection and we tin't just flash like a regular MediaTek SP tool ROM. We need different "download agents" and a certain authentication file to featherbed this protection. This guide works for both unlocked and YES for locked bootloaders. And there is a Youtube video that you tin lookout man if reading can be dislocated sometimes, this is a tricky guide, just the only complete guide that will answer all your questions.

And there is a Youtube video that you tin watch if reading can be confusing sometimes, equally this is a catchy guide, but the simply complete guide that will answer all your questions. There are less pictures in this guide, simply the video shows every stride, guide is written in the same timeline as the Youtube video.

Downloads: Wink tool , Rescue Rom

Let'due south commencement.

Double click "flash_tool.exe" inside the x620_flash_tool binder. Cull "MT6797_Android_scatter.txt" in the ROM folder LeEco_x620_SP_Rom if you lot see an error, if yous don't, do it as the offset step by clicking "Scatter-loading" tab right of the window. Next, click "Download Agent" to a higher place and choose "DA_PL_HIGH.bin" from "secureboot" folder in the wink tool program folder. Printing CTRL + Alt + Southward to open "Authentication File" section in flash tool and browse to secureboot folder over again and select "auth_sv5_letv.auth" file. Untick "recovery" and "boot" images from the list and make certain y'all accept "Download only" selected. If yous endeavour to flash recovery and kick partitions also you lot will come across an error similar this:

Make sure your phone is completely off. Press "Download" (green pointer looking down), and so but plug the USB cablevision without pressing any other button on the telephone.

A new device will be found under device manager, utilise this driver to setup manually MediaTek Preloader VCOM USB port by selecting the inf file inside the driver binder.

Flashing will start like in the pic, if non, ignore whatsoever error, unplug the USB cablevision, press download again (greenish pointer looking down) and plug back USB cablevision in.

Look until flashing is done, you volition meet a green "OK" sign showing its washed.

Now, unplug the phone from PC. Next, we volition flash recovery and boot partitions individually. We demand to change download agent fromDA_PL_HIGH.bin to DA_BR.binevery bit the first step here. Again, they are in the "secureboot" binder inside the SP flash tool program folder. Printing "CTRL + Alt + V" to open "Write Memory" tab under "Window" carte du jour to a higher place.

Subsequently yous select "Write Retention" a new tab will come up up looking like this:

We will flash boot image first, (the pictures are for recovery image flashing, don't go confused, both will be flashed same fashion, only files and hex values be dissimilar) from "File Path" browse to the ROM folder and select "kick-verified.img" file.

Alter the value in the "Brainstorm Adress (HEX)" to "0xf900000" (copy paste from here), exit "Region" as "EMMC_USER". Click "Write Retentiveness" above (phone is unplugged and off).

At present this step is important: Press Book + button on your Le ii and plug in the USB cablevision, go along pressing Volume + push until flashing is washed.

Keeping Volume + button constantly will open our desired MediaTek Preloader VCOM USB port, if you don't, MediaTek USB port volition open and flashing will give an mistake, if you lot proceed pressing Volume + this volition trigger Preloader port to open.

Expect at the pictures to come across port name.

From "File Path" browse to the ROM binder and select "recovery_stock_works _after_brick.img" file. Alter the value in the "Begin Adress (HEX)" to "0x8000" this time (copy paste from here), go out "Region" as "EMMC_USER". Remainder will be the same as is described to a higher place.

Press Book + button on your Le 2 and plug in the USB cable while phone is off, go along pressing Volume + push button until flashing is done.

That's information technology, now it's time to power on our bricked Le 2 phone. Next guide volition exist Baseband and imei fix if yous had lost them during brick.

Baseband and imei repair :