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[STOCK LOLLIPOP 5.0.2] RUUs, OTAs AND GUIDE [DESIRE 820s] MT6752

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By Gibz97, Senior Member on 26th December 2015, 10:33 AM
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YOUR WARRANTY IS NOW VOID. USE IT AT YOUR OWN RISK! I AM NOT RESPONSIBLE FOR ANY DAMAGES OR BRICKS THAT MIGHT HAPPEN UPON FLASHING. YOU HAVE BEEN WARNED!!!

REQUIREMENTS
  • Download Flashfile
D820s_LOLLIPOP_TW (TAIWANESE FIRMWARE), Build 1.
14.709.1 - Supports Asian Languages
D820s_LOLLIPOP_WWE (EUROPE WORLD WIDE ENGLISH FIRMWARE), Build 1.20.401.1 - Supports European Languages and Arabic
  • Download SP Flashtool
SP-Flash-Tool-v5.1532.00
  • Download Pgfs
Pgfs
  • Desire 820s with at least 50% battery power
  • A good working PC that is capable of holding battery power for at least 15 minutes in case of any power outages
  • A good working USB Cable
  • Manually install USB VCOM drivers using this tutorial. (If you have already installed the drivers then skip this step)
  • Internet connection for automatic update of VCOM and Preloader drivers
  • Familiarity with SP Flash Tool. If you do not know how this tool works, then I advice you to just stay away from using it. It is not a custom recovery and can cause a hard brick if you misuse it
Confirmed to be working on Desire 820ts, us and ys variants


Please know that you will not be able to install any OTA for this firmware because it is not the original firmware for your device.
REMEMBER This is a full firmware flash and not just a ROM so you MUST know how to revert to your original firmware in case of repairs by warranty.


This Procedure will format your Internal SD Card so please backup before proceeding


HOW TO FLASH WITH SP FLASH TOOL

1. Extract the Downloaded Lollipop Flashfile
2. Extract the Unlocked Pgfs and copy pg1fs and pg2fs into the firmware folder
3. Extract SP-Flash-Tool-v5.1532.00.zip and launch flash_tool as Administrator
4. Click on Scatter-loading by the right



4. In the window that pops up, select MT6752_Android_scatter in the Lollipop Flashfile folder



6. A list with ticked boxes should appear in SP flash tool
7. Select Firmware Upgrade



7. Click Download



9. Stop should now be prominent while other options should be grayed out


10. Switch off your phone and wait for at least 10 seconds after it has switched off
12. Connect the switched off phone to the PC via USB cable
13. A progress bar should start running



14. DO NOT INTERRUPT. Wait until you get a Success message (green circle with OK)
15. Disconnect USB cable and switch on the phone


To unlock bootloader see post #2
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26th December 2015, 02:20 PM |#2  
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CREDITS
@nkk71 for flawlessly decrypting both the Taiwanese and European RUUs. We owe you a great load of gratitude. We salute you
@Mohamed Yaser for testing the RUUs on the Desire 820s Dual sim, among many other contributions he has made
@Nc.netcat for providing unlocked pgfs
@patrol31

To Unlock the bootloader use these pgfs files
(Just replace the pgfs files in firmware folder and load scatter file and tick pg1fs and pg2fs only)
Unlocked pgfs

To lock bootloader flash these pgfs
Locked pgfs


STOCK KITKAT FIRMWARE LINKS

Desire 820s

(Please Note that to flash Kitkat you have to press and hold the volume up button while connecting the phone to the PC and let go when flashing begins)


Official HTC RUUs
0PGZIMG_A50ML_DTUL_L50_DESIRE_SENSE70_hTC_Asia_TW_ 1.20.709.1_Radio_1514P2.P02.0501.0506_release_4523 99_signed_2_4.zip

0PGZIMG_A50ML_DTUL_L50_DESIRE_SENSE70_HTC_Europe_1 .20.401.1_Radio_1514P2.P02.0501.0506_release_45373 0_combined_signed.zip
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26th December 2015, 02:21 PM |#3  
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26th December 2015, 02:22 PM |#4  
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Nice One
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26th December 2015, 02:32 PM |#5  
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Quote:
Originally Posted by Mohamed Yaser

Nice

---------- Post added at 04:22 PM ---------- Previous post was at 04:21 PM ----------

I will delete mine now whats ur upload progress?

5 hours to go bro
26th December 2015, 02:34 PM |#6  
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Quote:
Originally Posted by Gibz97

5 hours to go bro

Good Luck , i wish we root it
we need a permissive kernel , and a good recovery Out TWRP still needs some work
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26th December 2015, 02:55 PM |#7  
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Quote:
Originally Posted by Mohamed Yaser

Good Luck , i wish we root it
we need a permissive kernel , and a good recovery Out TWRP still needs some work

You can upload yours too. Mine will take quite some time.
TWRP ported successfully. Just some minor fixes needed, Rooted now..
26th December 2015, 03:39 PM |#8  
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im waiting for the rom to be uploaded. will test it to my D820ts. cant wait
26th December 2015, 04:24 PM |#9  
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nice

just dropped in to say congrats
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26th December 2015, 04:40 PM |#10  
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1. Incase the phone is soft bricked during this process can we go back to stock kitkat rom with stock recovery?

2. Will we be able to do OTA update incase if HTC decide to realease any OTA updates in future with this rom?
26th December 2015, 04:46 PM |#11  
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Quote:
Originally Posted by Gibz97

CREDITS
@nkk71 for flawlessly decrypting both the Taiwanese and European RUUs. We owe him a great load of gratitude. We salute you man
@Mohamed Yaser our dev for testing the RUUs on the Desire 820s Dual sim, among many other contributions he has made

my pleasure, I'm glad you got things up and running

nice job
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