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@ShSnow a huge Thank you to you for Posting. I was able to flash Android 15 last night successfully, but not without frustration, and several attempts.
I followed all the instruction that are on the following link just like ShSnow did and got an identical result, of boot loop. Link: https://androidmtk.com/install-xml-scatter-firmware-mediatek
Then I came here and saw that ShSnow did it successfully with SP MDT Tool which I saw mentioned at the bottom of one of the pages. So I downloaded that. The first attempt errored but the second one worked. I have to say this tablet looks even more beautiful with Android 15 so it was worth it. Here are the steps that I followed.
1. Disconnect your tablet from the cable and turn it off, by long pressing the power button and then selecting Turn Off. If your tablet is boolooping that is also OK.
2. Download and install the driver that is mentioned in the link above.
3. Download the latest Android 15 rar file. Windows was not able to unpack this rar so I had to install a tool called 7zip which is open source and free. Unzip the contents into a directory on your drive.
4. Download SP MDT Tool, which is just a zip file. Unpack into a directory. In the main directory you will see a single executable called mdt.exe
5. Google the auth_sv5.auth file mentioned in the link above and download it. I downloaded mine from this link: https://sourceforge.net/projects/gsi-rom-rmx1941/files/extract%2520fimware%2520C57/RMX1941C57/auth_sv5.auth/download&ved=2ahUKEwjEhaKLnOOPAxWpQfEDHZyXLmsQFnoECCMQAQ&usg=AOvVaw0pMoDBWn4nIO3KJGKtZBjK
6. Plug the USB cable into your computer, but not into the tablet yet.
7. Start the SP MDT Tool . I did not find any instructions on how to use it, so I winged it a little bit. But in the end it worked.
8. Navigate the Flash XML field to the directory where you unpacked your rar. The url should end with /download_agent/flash.xml
9. In the Auth File navigate the downloaded Auth File.
10. Now plug your table into your computer.
11. Press Start All button.
If you press any other buttons the flash might fail, so you’ll have to try again. I did select Auto Reboot After Download other than that, this is it. Good Luck
When I run SP MDT Tool and set to Flash XM: \download_agent\flash.xml and set auth file auth_sv5.auth I get error
Failed to Verify Checksum
Please, Regenerate scatter_shecksum.xml File
Did you have this error?
How to resolve it?
Thank you
Try https://mega.nz/file/pS5BBCDC#sDQtFxfPerjmxRVFYwoxj8EJMf74uwcR9El3tEPoPDQ
Hi Team,
After upgrading to Version: B15_V4.0L.7_20250820, I am unable to install or download any apps from the Google Play Store.
Thanks,
On this page there is a link to a page with instructions for updating. In steps 4 and 5 of installing XML Scatter Firmware, it is said about an authentication file, but it is not in the folder shown. What can I do about it without bricking the tablet?
And thanx to Alldocube for link to wrong instruction – i got a brick
I unbricked it from bootloop using the SP MDT Tool and the latest firmware from this page and the file auth_sv5.auth (maybe the last file is not needed), and as a result I got a working Android 15
Hi,
I recently tried to upgrade my tablet to iplay 60 pro to android 15 and got a smillilar result with a bootloop. Did you download the auth file from somewhere else or how did you make it work. Thanks,
Hi,
Where did you find the auth file, my tablet is also bricked.
Thanks,
-Eli
Hi, Eli C.
i used this file auth_sv5.auth – https://mega.nz/file/pS5BBCDC#sDQtFxfPerjmxRVFYwoxj8EJMf74uwcR9El3tEPoPDQ (don’t sure it`s needed)
Also Alldocube support sent me link to SP_Flash_Tool_Selector_exe_Windows_v1.2216.00.000.zip (without auth-file) https://mega.nz/file/pF9SV , but i already rebricked and installed android 15 with SP MDT Tool