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[Tutorial] How to use Research Download & Upgrade Download Tool

#1
(This post was last modified: 11 hours ago by hovatek. )

This is a step-by-step tutorial on how to use Research Download tool / Upgrade Download tool to flash a Spreadtrum Android phone's .pac file, firmware or stock rom.

Requirements


If you encounter any error(s) before or during flashing then see our list of Research Download / Upgrade Download tool errors for how to fix


How to use Research Download tool / Upgrade Download tool


The steps below explain how to use research download tool or upgrade download tool to flash a Spreadtrum PAC file

    See the video tutorial below or @ http://youtu.be/vIXylSwA_AY




  1. Open the Research download tool > bin folder
  2. Launch ResearchDownload.exe

    [Image: how-to-use-research-download-tool-1.jpg]

  3. Click on the Load Packet icon (top left corner)

    [Image: how-to-use-research-download-tool-2.jpg]

  4. In the window that pops up, navigate to the location of the .pac file, select it then click Open

    [Image: how-to-use-research-download-tool-3.jpg]

  5. The pac file should now be loaded (its name should appear at the top)

    [Image: how-to-use-research-download-tool-4.jpg]

  6. Click the Settings Icon (top left corner)

    [Image: how-to-use-research-download-tool-5.jpg]

  7. In the box that pops up, untick any item(s) you do not wish to flash then click OK. Ignore this step if you wish to flash all files

    [Image: how-to-use-research-download-tool-6.jpg]

  8. Click the Start downloading button

    [Image: how-to-use-research-download-tool-7.jpg]

  9. You should see Waiting.... under the Progress bar

    [Image: how-to-use-research-download-tool-8.jpg]

  10. Switch off the phone (still with battery inside) then connect it to the PC via USB cord (note that you might need to hold the volume decease button while connecting to PC on some phones) and flashing should begin. DO NOT interrupt

    [Image: how-to-use-research-download-tool-9.jpg]

  11. Once flashing is complete, you'll see Passed

    [Image: how-to-use-research-download-tool-10.jpg]

  12. Click on the Stop downloading icon then disconnect the phone from PC and boot

    [Image: how-to-use-research-download-tool-11.jpg]

Important Notice
  • This tool is for Spreadtrum chips only. It will not work on any other chipset
  • This tool only flashes firmware in .pac format. If the firmware you downloaded is in zipped format then unzip to view its content. If the content isn't a pac file (but each partition's files) then you need to convert to a pac file in order to flash using this tool
  • Dumps made using Infinity Chinese Miracle II SPD are usually in .pac.sc format and can't be directly flashed using this tool. You'll need to convert the Infinity CM2 SPD pac.sc to pac format
  • For some phone models, you might need to hold the boot key (could be either volume up or volume down) throughout the flashing process. This is to enable the flashing to continue in the face of a connection-disconnection cycle
  • If you wish to flash selected partitions (using Research Download tool) , fdl 1 & fdl 2 are required to be flashed also.
  • You should only flash a pac file for your phone model and build number / variant. Flashing anything else could brick your phone
  • Do Not interrupt the flashing process as this could brick the device. If flashing somehow gets interrupted, take out and re-insert the battery then retry flashing
  • This tool was created by Spreadtrum Commuications Inc. so credits to them for the tool



Attached Files
.zip   SPD_Upgrade_Tool_R2.9.9015.zip (Size: 1.83 MB / Downloads: 7,218)
.zip   ResearchDownload_2.9.8005.zip (Size: 3.62 MB / Downloads: 4,079)
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#2
format my tecno H5 with sp flash tools, now my phones don't boot and not taking charge. How can i fix it , thks.... Give me permission to download techno h5 stock rom
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#3
(01-26-2015, 03:21 AM)oluwapoju Wrote: format my tecno H5 with sp flash tools, now my phones don't boot and not taking charge. How can i fix it , thks.... Give me permission to download techno h5 stock rom

request @ https://forum.hovatek.com/thread-311.html
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#4
(This post was last modified: 05-11-2018, 09:41 AM by hovatek. )
(01-26-2015, 02:29 AM)hovatek Wrote: .

Does it applies to Tecno P3.
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#5
(This post was last modified: 05-11-2018, 09:41 AM by hovatek. )
(02-27-2015, 04:19 PM)Tejrooney Wrote: ..



I can't be able to download the drivers, it showing bad request. Pls take note it it asap

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#6
(02-28-2015, 08:09 AM)kainji1 Wrote: I can't be able to download the drivers, it showing bad request. Pls take note it it asap
fixed! try again
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#7
Pls sir, link me where to download spd pac

Sent from my Nexus 5 using Hovatek mobile
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#8
(03-24-2015, 10:18 PM)kainji1 Wrote: Pls sir, link me where to download spd pac

Sent from my Nexus 5 using Hovatek mobile

we've not begun collecting
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#9
(03-25-2015, 08:02 AM)hovatek Wrote:
(03-24-2015, 10:18 PM)kainji1 Wrote: Pls sir, link me where to download spd pac

Sent from my Nexus 5 using Hovatek mobile

we've not begun collecting

Okay sir

Sent from my Nexus 5 using Hovatek mobile
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#10
(This post was last modified: 05-11-2018, 09:42 AM by hovatek. )
am getting NV data read in phone is crashed while flashing Itel 1352. whats the way forward.



(02-28-2015, 08:09 AM)kainji1 Wrote:
(02-27-2015, 04:19 PM)Tejrooney Wrote:
(01-26-2015, 02:29 AM)hovatek Wrote: ...

Does it applies to Tecno P3.



I can't be able to download the drivers, it showing bad request. Pls take note it it asap
Reply




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