SPD Flashing Tutorial for Unisoc SoC based smartphones

bencebacsi Post time 2022-8-10 03:26:17 | Show all posts [Copy link]
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SPD Flashing Tutorial for Unisoc SoC based smartphones

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Post time 2021-10-24 01:39:15 | Show all posts |Read mode
Flashing with SPD UpgradeDownload

Tutorial


This guide is about how to flash your UMIDIGI smartphone built with Unisoc (Spreadtrum) SoC, using the SPD UpgradeDownload tool

Attention! the official method to update the system software of your phone is the wireless (OTA) update method, that you can receive automatically. It is highly recommended to use this tool only in case of emergency, if something went wrong with the wireless update (it cannot start, gets stuck etc.) or if your system is malfunctioning due to damaged or missing system contents.

WARNING! This process will erase your user data, therefore after flashing, your phone will start with its factory settings!





What you need:
  • A compatible version of SPD UpgradeDownload tool that you can download on the same page where your ROM is available.

The SPD UpgradeDownload application is compatible with 32-bit Windows XP and Vista, and with 64-bit Windows 7, 8.0, 8.1, 10 and 11. The compatibility with other Windows releases is not guaranteed. For this guide, a 64-bit Windows 11 machine was used with all the latest updates installed.


Let's get started step by step
You have to turn off your phone before starting the flashing process and keep it turned off (don't touch it) until you finish!


1. Download and Extract the SPD_Driver_R4.20.0201.rar file, then start the driver installation by running DriverSetup.exe.
1 - install driver.jpg
1b (optional) Check whether your Windows system can properly identify and install the drivers of your phone in preloader mode.
Turn off your phone, open Windows Device Manager, then connect your phone to USB while pressing and holding the volume-down button.
You should see an SPRD U2S Diag com port as on the picture below. (The port number might be different on your machine). Without starting a flashing process, the preloader mode will be active only for a few seconds, then your phone will automatically switch into battery charging mode.
1b - device manager.jpg

If everything is alright, disconnect your phone from USB. If you can't see anything or an unidentified device appears, check your internet connection, admin rights on your Windows, the USB cable, the USB port on your computer and do not use a USB hub.


2. Extract the ROM file (.pac) from the downloaded .rar compressed ROM file. It's an uncompressed archive that contains all the resources needed for flashing. The flasher app will extract its content in its own folder, and automatically delets the extracted content as soon as you close the flasher app.


3. Extract the downloaded SPD UpgradeDownload tool .rar file, then run UpgradeDownload.exe.
2 - start flash app.jpg


4. Select the single cog button in the top left corner, and brows for your .pac file. The content of the .pac file is going to be extracted that you can track on the bottom progress bar. Wait until the extraction is finished.
3 - open pac.jpg


5. Select the arrow (play) button to start the flashing process.
4 - start flashing.jpg


6. Your phone must be powered off! Now press and hold the volume-down button of your phone, and while keeping the vol-down button pressed, connect it to USB. The flashing process gets started and you can see which partition is being flashed and how the flashing process is going.
5 - flashing.jpg

As soon as all partitions have been flashed, you can see the following screen showing 'Passed' as Progress and 'Finish' as Status.
6 - finished.jpg


7. Now the flashing process is finished but the app is still looking for the next device to be flashed. So press the Stop (rectangular) button, and disconnect your phone from USB. Now you can close the flasher app and reboot your phone. Your phone will reboot with its factory settings.

If you have any questions, please feel free to ask in the comment section. Further details or other flashing modes can be added to this tutorial in the future, if needed.


All the screenshots are captured and edited, and the guide is written by me for UMIDIGI users. Unauthorized copy of this content is prohibited. Please let me know if you find errors or missing info.
Thank you, bencebacsi

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Post time 2022-3-20 11:37:18 | Show all posts
hi after flashing the legend came out "unwritten google key" umidigi power 5s

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Post time 2022-5-27 12:53:30 | Show all posts
Edited by Leosilva at 2022-5-27 12:56  

Hola después de seguir fielmente todos los pasos para flash en windows 10, prendo el teléfono y solo prende y apaga se queda en el logo de BISON Android prende y apaga nada mas, no se que hacer ayuda por favor Saludos

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Post time 2022-5-31 00:27:22 | Show all posts
Hi friend

i did the update as step by step of the tutorial.

this message appeared in the SPD Upgrade Download.

Follow the screenshot.

Please, help me what i need to do.

Thank you in advance

1653927880584.jpg

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Post time 2022-6-27 22:02:54 | Show all posts
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Post time 2022-7-2 17:48:11 | Show all posts
Edited by alancook at 2022-7-4 17:24  

Hey,

I am really happy after reading that article on SPD Flashing Tutorial for Unisoc SoC-based smartphones which is full of informational stuff and surely helps newcomers.

Regards: Shoesforyou

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Post time 2022-7-13 12:18:51 | Show all posts
Muchos de nosotros a menudo pasamos por alto una parte vital de cualquier relación sólida: decirle a tu pareja o pareja exactamente cuánto la amas. Esto no significa hacerlo solo dos veces al mes de la misma frasesparaenamorarz manera. Al escuchar dulces palabras consistentemente de vuestras formas solitarias confianza y cercanía entre vosotros.Tu pareja probablemente verá que estás siendo oscuro últimamente y eso puede provocar finales molestos para tu relación si lo dejas así.

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Post time 2022-7-20 01:26:46 | Show all posts
Edited by RendyKallis at 2022-7-21 01:01  

Hello,

I am really impressed with the way you describe the whole issue and point out major aspects.

Regards: Funzalo

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Post time 2022-8-3 10:32:18 | Show all posts

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Post time 2022-8-10 03:26:17 | Show all posts
Hi.
How To Fix A13 Pro imei. Could you help.
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