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Root LG D320N L70 Black screen problem after installing custom recovery

Discussion in 'Android Devices' started by Daniel Ashan, Aug 2, 2016.

  1. Daniel Ashan

    Daniel Ashan Lurker
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    Hi, I'm new here and I have a problem with my phone. I searched for the resolve, but there was nothing that really helped. Also sorry for my english, it's not really good.
    So I just have a problem with my phone, apps were stopped after I run them and when I tried to restart the phone I started to loop on boot. I managed to restore the kdz using LG Flash Tool 2014 and kdz named D280n10c_00_0111 (yeah, I know it is for another model but after typing my IMEI that is what I got).
    I was happy and tried to get a CM 12 with Android Lolipop next because I felt confident that I have a kdz and can quickly reinstall if sth goes wrong. So at first I try to install flash CWM.
    I did everything like that kid

    and ended up with black screen. Everything is working, the phone boot up, I can call someone or send a text, install apps and I can see what I am doing because I'm using Droid@Screen ver 1.2.
    I'm not sure if I didn't do any mistake in commands when I was trying to install CWM.
    I can't get recovery or Firmware Update screen so i can't use kdz too I guess.
    I tried using LG L70 autopacher and installed TWRP too.
    ROM Manager shows that I have installed Clockwork and TWRP
    I don't really have any idea what I can do more to repair it. Can you guys help me in any way?
    Thanks for any help you can give me.


    EDIT: Oooops, I screw up more, now I can only use fastboot and nothin else.
     

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    #1 Daniel Ashan, Aug 2, 2016
    Last edited: Aug 2, 2016
  2. Mystery_Flasher

    Mystery_Flasher Android Enthusiast
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    Hi, I just watched this video. Seems like that guy didn't do a backup of a Laf partition before deleting it. You cannot enter download mode after removing Laf so now you need a copy of D320N Laf partition. If you can enter fastboot you're still good to go. Search for a proper Laf file and then use fastboot commands to flash Laf and recovery img. Or, flash Laf only and return to stock with kdz, but use a D320N kdz from this site.
    There's also a tool with a simple gui for Laf restoring and more, here.
    BTW, Cwm is way to old to handle cm12 or 13 installation properly so don't flash it. Use twrp 3.02 instead. There's a separate thread for twrp here.
     
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  3. Daniel Ashan

    Daniel Ashan Lurker
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    Ok thank You very much, thanks to your answer I was able to restore Laf partition that I downloaded from here, and finally my phone was recognized by my PC (in the Device Manager I can see it under Modems - LGE AndroidNet USB Modem, Ports - LGE AndroidNET USB SERIAL PORT (COM 5) and under Portable Devices as My Name_L65). So I tried to install kdz and I completed it from what the LG Flash Tool told me, but I still have a black screen. And for now I probably can't use fastboot anymore, because it is going straight to download mode.
     
  4. Mystery_Flasher

    Mystery_Flasher Android Enthusiast
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    Are you sure your phone model is D320N?
    Did you use CSE flash and Emergency phone mode while flashing with LG flash Tool?
    It wouldn't do the trick if you haven't.
     
  5. Daniel Ashan

    Daniel Ashan Lurker
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    To be honest I just found the box and on it I have information that this is LG L65 D280n and it's weird because on the phone I have information that it is L70 D320N, however when I type the IMEI on the site with lg firmware it shows a stock for D280N so I'm a bit confused about it. I used a Normal Flash with CS Emergency phone mode. I will try one more time with yours settings.
     
  6. Mystery_Flasher

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    Use kdz for lg l65, then.
     
  7. Daniel Ashan

    Daniel Ashan Lurker
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    I tried to install that kdz but i can't. Flash Tool says that "Connections to server failed. Try again in a moment" and the progress bar goes up to 2 percent (and the title is S/W Upgrade) and stopped saying "Upgrade stopped due to an error" and it's advising mi to disconnect and connect again my phone. I tried to turn on my phone with holding Vol Up button but it didn't help and I tried holding Vol Up and connecting to USB and it didn't help too. Any other ideas how I can install it? Also thank You very much for your patience and assistance.
     
    #7 Daniel Ashan, Aug 3, 2016
    Last edited: Aug 3, 2016
  8. Mystery_Flasher

    Mystery_Flasher Android Enthusiast
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    So as I understand, you are still able to enter the download mode and see a firmware upgrade screen?
    If that's so, you should try to use flash tool all over again, until you succeed. Sometimes it helps to change USB port to another and reinstall LG mobile drivers. What is more, you should wait at least 15min to see if the progress is really stuck. It's showing an error but doing its' job from time to time.
     
  9. Daniel Ashan

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    No, I'm not sure I am able to enter the download mode because I can't see a firmware upgrade screen. And any other too. I just assume it is a firmware upgrade screen because of what I see in the Device Manager. Because when I'm running my phone in this "download mode" I have only two entries - COM and Modem in Device Manager, but if I turn on my phone in normal I can hear the jingles and I have 3 entries - COM, Modem and MTP in short. Ok, I will try reinstalling drivers and changing port.
     
  10. Mystery_Flasher

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    To be honest, I'm afraid your phone can be hard bricked since you've replaced a bootloader and a recovery with ones that are designed for another device. As I understand, you see a black screen since you did everything from the l70 video. In that case, flashing l65 kdz in an emergency mode may be successful eventually, but nobody knows if your screen would light up again.
     
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