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[Tutorial] How to use Research Download tool to backup Unisoc (Spreadtrum) firmware

[Tutorial] How to use Research Download tool to backup Unisoc (Spreadtrum) firmware

hovatek
hovatek
hovatek
Administrator
49,570
04-01-2020, 10:50 AM
#1



This guide will explain how to backup or dump Unisoc / Spreadtrum (SPD) firmware using Research Download tool. This is also ideal for those who wish to back up NVRAM / NVdata.

Requirements


Steps to backup Unisoc (Spreadtrum) firmware using Research Download tool


Follow the steps below to backup Unisoc / Spreadtrum ROM with Research Download tool

See the video below or @ https://www.youtube.com/watch?v=RHNeLCITJko


  1. Launch Research Download tool

    [Image: How-to-use-Research-Download-tool-to-bac...ware-1.png]

  2. Click Load Packet

    [Image: How-to-use-Research-Download-tool-to-bac...ware-2.png]

  3. Highlight the pac file and click Open. If what you have is FDL 1&2 then convert them to a pac file first

    [Image: How-to-use-Research-Download-tool-to-bac...ware-3.png]

  4. Wait till the pac file is loaded into the tool

    [Image: How-to-use-Research-Download-tool-to-bac...ware-4.png]

  5. The pac file details should be displayed once loading is complete

    [Image: How-to-use-Research-Download-tool-to-bac...ware-5.png]

  6. Click Settings

    [Image: How-to-use-Research-Download-tool-to-bac...ware-6.png]

  7. Uncheck all boxes under FileID except FDL1&2

    [Image: How-to-use-Research-Download-tool-to-bac...ware-7.png]

  8. Click Flash Operations

    [Image: How-to-use-Research-Download-tool-to-bac...ware-8.png]

  9. Tick Active Read Flash

    [Image: How-to-use-Research-Download-tool-to-bac...ware-9.png]

  10. Tick the partition(s) you wish to backup

    [Image: How-to-use-Research-Download-tool-to-bac...are-10.png]

  11. Click OK at the bottom right

    [Image: How-to-use-Research-Download-tool-to-bac...are-11.png]

  12. Click Start Downloading

    [Image: How-to-use-Research-Download-tool-to-bac...are-12.png]

  13. Power off the device, hold the boot key (usually volume down but might be volume up on some devices) then connect to PC via USB cable.

    [Image: How-to-use-Research-Download-tool-to-bac...are-13.png]

  14. The tool should detect your device

    [Image: How-to-use-Research-Download-tool-to-bac...are-14.png]

  15. Backup / dumping of the selected partitions should commence, do not interrupt

    [Image: How-to-use-Research-Download-tool-to-bac...are-15.png]

  16. You should see a Passed message once done

    [Image: How-to-use-Research-Download-tool-to-bac...are-16.png]

  17. The backed-up files can be found in the ReadFlash folder (in Research Download tool)

    [Image: How-to-use-Research-Download-tool-to-bac...are-17.png]

Important Notice
  • You can manually add a partition by clicking on the grey space at the end of the list and then entering its base, size and choosing a save location with file name
  • This procedure backs up individual files. You can convert your backup to a PAC file using this guide
  • Be careful when using pac / FDL files which aren't for your model because an error could cause the device to get stuck in Flash Mode (appear dead)

Video Transcript
Quote:In this video tutorial, I'll be explaining
how to use Research Download tool to backup


a Spreadtrum device's firmware.


Apologies about my voice, I have a cold so
sorry about that.


You're going to need Research Download tool,
I'll link to that in the description below.


You're also going to need to have installed
your Spreadtrum USB drivers, I'll also link


to that and you're going to need the pac file
for your phone model.


The question is, If you already have a pac
file for your model, why do you then need


to backup.


Well, the answer is that the pac file you
have might not be for your exact variant (build


number).


What you really need is the FDL 1&2 from the
pac file.


If you have that (these) then you don't need
the pac file but if you don't have then you'll


have to download a pac file for your model.


Now, once you have your Research Download
tool, drivers and a firmware (.pac file) for


your model (not compulsorily your build number),
you launch Research Download tool and you


wait for it to come up.


Now, once it comes up, you're going to load
the pac file which you have for your phone


model.


You click on Load Packet, highlight the pac
file then click on Open.


Now, you wait while the pac file gets loaded.


You're going to see blue boxes starting from
one then all the way to this point.


When that happens then you're ready to proceed
so you have to wait till that is done.


Once that is done, you're going to have something
like this.


From this point, its very straightforward.


You click Settings and under Main page, you
untick (uncheck) everything except FDL 1&2


and maybe one harmless partition like boot
logo.


Now, for the backup proper.


You come under Flash Operations.


Tick Active Read Flash then you can select
all partitions you intend to flash (*backup).


For me, I'll just select (let's say) prodnv
and recovery just for this guide and click


OK.


Once you do that, you click on this button
which is Start Downloading.


At this point, you power off the device, still
with battery in it, you hold the boot key.


For Spreadtrum, it could be volume down or
volume up depending on your Spreadtrum device.


Mine is volume down.


You hold it down then connect it to the PC
via a USB cable.


Wait for detection.


Once that starts, backup proper should begin.


Alright, so that is done.


You can head over to the Research Download
tool folder, ReadFlash folder and you're going


to find whatever files you've backed up.


These are files I'd previously backed up.


That's how to backup a Spreadtrum Android
device's firmware (pac file) using Research


Download tool.


If you got stuck at any point in this guide
then ensure to drop your comment(s) below


and we'll be happy to assist you.


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This post was last modified: 08-03-2024, 02:18 AM by hovatek.

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Messages In This Thread
How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by hovatek - 04-01-2020, 10:50 AM
How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by Canary - 15-01-2020, 06:51 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by X3non - 16-01-2020, 11:43 AM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by shankar1790 - 01-04-2020, 05:50 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by getoverwith - 21-03-2021, 11:25 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by X3non - 02-04-2020, 09:34 AM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by yossi66a - 09-02-2021, 08:51 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by X3non - 10-02-2021, 02:52 AM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by getoverwith - 21-03-2021, 11:38 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by liOnux.fr - 26-05-2021, 01:21 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by San5223 - 17-08-2021, 06:31 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by X3non - 18-08-2021, 09:33 AM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by San5223 - 18-08-2021, 04:06 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by runnerGunn4r - 27-09-2021, 05:07 AM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by X3non - 27-09-2021, 12:36 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by lolvatveo - 27-09-2021, 12:46 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by X3non - 28-09-2021, 10:50 AM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by lolvatveo - 19-10-2021, 05:01 AM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by X3non - 20-10-2021, 12:22 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by steve98124 - 29-12-2022, 08:02 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by hovatek - 02-01-2023, 07:52 AM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by whhhhh - 30-01-2023, 02:11 PM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by hovatek - 02-02-2023, 09:28 AM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by whhhhh - 02-02-2023, 09:32 AM
RE: How to use Research Download tool to backup Unisoc (Spreadtrum) firmware - by hovatek - 09-02-2023, 08:39 AM
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