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Go Back   GSM-Forum > Product Support Sections > Hard/Software Products (official support) > Z3X-Team Products

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Old 11-01-2016, 12:18   #1 (permalink)
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Lg g4 at&t h810 looking for firmware


HELLO HOSTINGS
I am looking for a download link for the firmware H81021Y
in Z3x support there is H810_10a & H810_10o
I searched a lot about downgrading & I found it impossible


thanks
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Old 11-01-2016, 16:47   #2 (permalink)
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Download temporary from here:
Firmwares list for LG H810PR ? LG Firmwares

We update server(need more free space) and after 1-2 week upload many news firmware.

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Old 11-01-2016, 16:56   #3 (permalink)
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sorry but my phone is not H810PR
my G4 is H810 & it has the firmware V21Y so I cannot downgrade to V20 or LESS
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Old 11-01-2016, 17:01   #4 (permalink)
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Quote:
Originally Posted by aziiiz View Post
sorry but my phone is not H810PR
my G4 is H810 & it has the firmware V21Y so I cannot downgrade to V20 or LESS
Please send to me phone IMEI and I check last version for your phone.

You can't downgrade, this brick your phone.

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Old 11-01-2016, 17:08   #5 (permalink)
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CHECK your PM andrew_tm
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Old 11-01-2016, 17:45   #6 (permalink)
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so Andrew_Tm .. I should find another working H810 then update it through OTA (wifi) to the latest version V21Y or V21Z then extract (dump) the firmware using Z3X LGTOOL to TOT file
then reflash my G4 H810 ??
or wait until someone upload it
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Old 11-01-2016, 17:47   #7 (permalink)
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even LG Firmwares ? The biggest LG phones firmware archive
there is no H810
there is only SH810 & H810PR ?? ?
what is the origin of H810 ?? is it from LG ?
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Old 11-01-2016, 17:49   #8 (permalink)
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Quote:
Originally Posted by aziiiz View Post
even LG Firmwares ? The biggest LG phones firmware archive
there is no H810
there is only SH810 & H810PR ?? ?
what is the origin of H810 ?? is it from LG ?
This is my private site with firmwares for LG.

SH810 this is old model for Korea Region.
I not have firmware for H810.
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Old 11-01-2016, 17:51   #9 (permalink)
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Quote:
Originally Posted by aziiiz View Post
so Andrew_Tm .. I should find another working H810 then update it through OTA (wifi) to the latest version V21Y or V21Z then extract (dump) the firmware using Z3X LGTOOL to TOT file
then reflash my G4 H810 ??
or wait until someone upload it
You can try but I not garuantee you can write this dump back in your phone.
LG now make signed firmware and make some changes in flasher.
If user update phone to last version now him can't write in phone not signed firmware (liked how you receive after Firmware Maker, patched files, etc..).

You can try. If you receive Write error your phone with new firwmares and you can't write not original firmware file.
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Old 11-01-2016, 17:56   #10 (permalink)
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so .. for now my phone is bricked but not because I flashed .. but because I installed some APK files that did that .. now my H810 hangs at logo ..
when I try to o hard reset it hangs in the last step (confirmation)
I tried with Z3x LGTOOL I read it & I found that it has H81021Y version Android 6.0

so if it's yours Andrew_Tm what will you do ..???
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Old 11-01-2016, 18:10   #11 (permalink)
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Quote:
Originally Posted by aziiiz View Post
so .. for now my phone is bricked but not because I flashed .. but because I installed some APK files that did that .. now my H810 hangs at logo ..
when I try to o hard reset it hangs in the last step (confirmation)
I tried with Z3x LGTOOL I read it & I found that it has H81021Y version Android 6.0

so if it's yours Andrew_Tm what will you do ..???
Search 21Y firmware.
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Old 11-02-2016, 02:43   #12 (permalink)
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Quote:
Originally Posted by aziiiz View Post
HELLO HOSTINGS
I am looking for a download link for the firmware H81021Y
in Z3x support there is H810_10a & H810_10o
I searched a lot about downgrading & I found it impossible


thanks
Hi. I have a copy of h81021y you make with lg tool. not if you can serve. It is this version. LGH810AT-01-V21y-310-410 JUN-20-2016 ARB03 + 0.I'll step up and you link to see if it helps you

Last edited by ltindi32; 11-02-2016 at 02:51.
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Old 11-02-2016, 09:58   #13 (permalink)
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no one uploaded H81021Y TOT file to the internet .. ? ?? ? ?
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Old 11-02-2016, 13:15   #14 (permalink)
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Quote:
Originally Posted by aziiiz View Post
no one uploaded H81021Y TOT file to the internet .. ? ?? ? ?
Hi. for me I run this copy made by me with lg tool. https://drive.google.com/file/d/0B3M...ew?usp=sharing. post result and I hope to help you. lg single tool
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Old 11-02-2016, 15:19   #15 (permalink)
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Quote:
Originally Posted by ltindi32 View Post
Hi. for me I run this copy made by me with lg tool. https://drive.google.com/file/d/0B3M...ew?usp=sharing. post result and I hope to help you. lg single tool
hello, can i flash this file to my H810 ? it's kdz, tot, or sbf file ?

thanks
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