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
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
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
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
- 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
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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