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I have LG L90 D410 smartphone. It had KitKat 4.4.2 OS when I purchased it. It was working pretty fine. After a couple of months I upgraded it to Lollipop 5.0.2. But after using this latest Android version, I realized that my phone went too slower. Along with this hanging, my phone started encountering various other issues too. On top of that I didn't like this latest android version too. Then i started searching how we can downgrade from Lollipop to Kitkat but I didn't find any relevant resource for my phone. Though I saw some tutorials regarding LG G2, G3 etc. but main problem was that I couldn't fine any appropriate stock firmware of KitKat 4.4.2 for my phone. I searched a lot and though I downloaded a couple of stock firmwares of Kitkat but when I started downgrading my phone with the help of LG flash tool, the process couldn't completed; even it didn't start at all. Also i saw the language list was empty in the LG flash tool when i selected a different country other than korea. So please tell me first where can i download original official KitKat 4.4.2 for my phone that was pre-installed when i bought this phone and secondly how can I downgrade it back to KitKat? I will be really very thankful to all who would help me to solve this serious problem.

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LG Source page has your stock images plus the kernels too. Just scroll down the top section to D410, there are 3 different ones: D410, D410H, & D410HN (pick the proper one for your device).

There are many references to downgrading the D410, but those were inconcise/misleading/incoherent. Only relevant one I found was on XDA for downgrading.

For rooting and tools, I recommend to use this reference.

There were a few variables that would have made this answer too lengthy to post here, so links were used instead.

Please fully read all links before using any of the steps mentioned there within

remember

1. Perform a backup

2. Downgrading android will ERASE/WIPE/DELETE everything

3. YOU assume all responsibility for using any of the steps mentioned in the links

all links have been fixed and verified

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  • I don't think you had checked the URLs before giving them. All were gone to 404 Page Not Found except forum.xda-developers.com. Can you please provide me working links?
    – Sachin
    Commented Jun 22, 2015 at 5:20
  • I have resolved your URLs problems. Actually you had given bad http that went to 404. It's OK now. Thanks.
    – Sachin
    Commented Jun 22, 2015 at 5:44
  • I downloaded my d410 zip folder. While downloading I thought, it had kdz file but when i extracted it, then it came out to be a very large folder having a lot files. Now i don't understand what to do? Where is the required kitkat .kdz file for flashing?
    – Sachin
    Commented Jun 22, 2015 at 6:41
  • Links fixed and verified, I am sorry for the inconvenience. The version for 4.4.2 should be v10a, you will need the kernel also. (The v10d should be for 4.4.4)
    – HasH_BrowN
    Commented Jun 22, 2015 at 14:49
  • oh but there is not .kdz file to use in lg flash tool. plz guide me.
    – Sachin
    Commented Jun 22, 2015 at 15:25

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