• Title: Fix latest 7.0 bootloader issue
  • Listed: 10/07/2017 10:28 pm
  • ROM Version: 7.x
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Overall Rating : 7

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Fix latest 7.0 bootloader issue
Fix latest 7.0 bootloader issue - Image 1

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Since the 20170425 release of Android 7.0 tends to lock the bootloader on this phone, I thought it would be interesting to share the files that can boot it without locking your bootloader.

The preloader and lk are from previous release of Android 7.0.



1. Download this ROM: https://www.needrom.com/download/doogee-y6-7-0-2/

2. Download the fix above

3. Extract both files with WinRAR or 7zip

4. Go to the extracted ROM folder and delete these files: preloader_hct6750_66_n.bin , lk.bin and lk-verified.bin (if you can't find one of these, just skip).

5. Copy everything from the extracted DOOGEE-Y6_Nougat-FW folder.

6. Paste them in the extracted ROM folder and replace the existing ones!
    Make sure that you replaced the existing files!

7. Open SP Flash Tools and load the scatter file.

8. Choose "Firmware upgrade" and click "Download".

9. Power off your phone

10. Connect it to the phone with USB cable.
Flashing process will start.
Wait till the end. You'll see a big green button saying "OK".

11. Disconnect your phone power it on.

12. Done.

※Please make a backup of your device before installing or updating ROM

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33 Responses to“Fix latest 7.0 bootloader issue”

  1. ruvidox


    Thanks, it works !!
    But I can install twrp with FT (error pmt changed …)

    • Nonta72


      You tried to flash TWRP with the scatter file that came with it which is not compatible with 7.0

      Use 7.0 scatter instead!

  2. ruvidox


    Where can i find a file scatter android 7 for twrp?
    I do not know how to configure it :(

  3. ruvidox


    All solved !!
    Everything works well !!
    Thank you for your job Nonta!

  4. 01/31/2016


    thx rudivox i have the same problem the solution is fabulous !!!

    "i have a problem" 

    "problem solve thx everyone!!" 


    it helped me a lot.

  5. 01/31/2016


    i have to reinstall all the rom and change the recovery file ? (sorry but i don't know too much about flashing roms and everything) :)

  6. 01/31/2016


    or should i put the file scatter from the rom and just download the recovery that i changed with the twrp ?

    • Nonta72


      Copy the scatter file from 7.0 ROM and paste in TWRP folder and replace the existing one.

      Load scatter file from recovery folder. Flash it

  7. 01/31/2016


    alright thx for the help i'm gonna try, and when i flashed i also got a "invalid imei" problem, to resolve it i wrote "☆#☆#3646633#☆#☆" 

    goes to gprs and rewrote the imei (it's for people who have this problem) 

  8. 01/31/2016

    to root :

    Download and transfer the SuperSU zip file (from supersu.com) and put the zip file in your sdcard

    Boot your device into TWRP recovery.

    Tap on Install and select the SuperSU zip file that you transferred to your device in Step 1.

    After selecting the .zip file, do Swipe to Confirm Flash on the bottom of screen to begin the flashing process.

    Once SuperSU is flashed, you’ll get Reboot System option, select it.


    it will loop, don't worry  

    it worked for me 

    thanks you so much for the help !! 

  9. 01/31/2016


    Hi that’s me (again)

    I have a little problem : when i install cpu-z and i look for cpu activity and temperature i don’t have the informations. The thing is before the update it worked so i though it was that, but my brother have the same phone than me, si when i did the update i also did it on his phone. The same files, same twrp, same root. The thing is, cpu-z works for him, he have no problem. Do you have any idea about what could be the solution ? (I already downloaded every cpu-z app, even with root access and sometimes i have cpu frequency but not the temperature) (i also looked on internet and i’m the only one with this problem) i have absolutly no idea from where it comes, si if you have any idea :)

    • Nonta72


      Did your problem update the same way you did (i.e dowload this patch and replace the other rom's files)?

  10. 01/31/2016


    I’m sorry but i’m french and didn’t understand what you mean by “update the same way you did”

    If you mean that before the flash it worked, and after the flash (that i did with this patch) cpu-z doesn’t show me the informations anymore, it seems l’île it cannt acceed to the temperature and cpu frequency (it shows the “global” temperature but didn’t show Evert cpu temperature like before), it’s awkward because my brother have exactly the same rom with this patch and his cpu-z works fine

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