WIN10 cell phone downgrade WP8.1 system Change brick Rescue recovery Tutorial

Microsoft's official Windows Phone recovery tool after the restoration of equipment are likely to face the horror of the "brick" problem, can not brush back properly, connected to the computer identified as Qhsusb_dload Drive. Now that the tool has been updated, the brick problem has not been completely solved. Here is a tutorial on saving bricks organized by netizens.

Although write a lot of, but the key code only three lines, a lot of details of the place needs to pay attention to, note that the operation of CMD do not close the whole, are under continue to paste running

My Phone: lumia520t

Computer system: Windows 8.1 64-bit (it is recommended that you operate in this system environment because you see the tutorial is the system)

• First of all, to download the installation of software, drivers are a brain download installed well, click this download, the password is mwny.

Software to download: MPRG_HEX.ZIP,X2_FLASHDRIVER_EMERGENCY_XP

Driver installation: Emergencydownload.inf Right click--install--OK. (Many people can not install this drive, the solution is to download a Nokia Care suite software, click this download, password bqf9) Windows Phone Recovery Tool, click here to download. (This is the culprit software that caused your mobile phone to change bricks, and remember not to choose the installation path when installing)

Download the corresponding mobile phone firmware package, download the good firmware package folder directly in the C packing directory

Pre-Preparation step: Create a new Dump folder on C disk

And then they started to brush the machine:

Open cmd, step: Start (Win key)--run (above the shutdown button)--Input cmd--OK

And then jump out of this interface

Copy paste and return to run this line of code CD "C:\Program Files (x86) \microsoft Care suite\windows Phone Recovery tool\"

Copy and paste code thor2-mode ffureader-ffufile "C:\rm-913\RM913_3056.40000.1349.2004_RETAIL_apac_prc_213_04_356607_prd_ Signed.ffu "-dump_gpt-filedir C:\dump

The blue section is the name of the. ffu file in the firmware package you downloaded, replacing the file name with the code, and don't forget to change the rm-913 to the corresponding model of your phone.

Remember this RKH code, the other is not tube.

After completing this step, you will find that you have two files Gpt0.bin and Gpt1.bin in the Dump folder you created in C disk, to the mprg_hex.zip you downloaded This file finds the same as your RKH code. Hex format file, then rename the Gpt0.bin file, name RKh code, and then copy the two long names. Hex and. bin files to the C disk Windows Phone Recovery Tool The file directory where this software resides, as shown in

Continue copying and pasting and running code Thor2-mode emergency-hexfile

A74593cee9f88eda6d4950ca46a3a634381f9458.hex-mbnfile

A74593cee9f88eda6d4950ca46a3a634381f9458.bin-orig_gpt

Notice these two very long rkh yards, the two hex and. bin filenames that you just copied, don't forget to replace them.

The original author said there may be problems, to try more than a few times, I also encountered, my solution is to put the above three pieces of code to rerun several times, if not, restart the computer, the result of the miracle, the mobile phone on the red screen. Bar today in the small partner Lumia520 Brush machine also encountered error code, the solution is to change a data cable connected to the computer, and then succeeded, red screen brush machine.

The error code encountered during the period is:

85021 85030 Error I understand that there is a problem with the driver or bin hex file

85034

This error code is the closest I've ever been to success.

84000 This is the computer can not find your mobile phone, driving the problem.

The sign of success is that the command line scrolls a lot. There are about 3 screens above.

The final mobile phone after the red screen This is the end of the tutorial, and then directly with Windows Phone Recovery tool This software to connect the phone brush machine, after all, Microsoft has been updated to fix the problem of brick.