Xiaomi scooter 1S BLE157 downgrade using stlink

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In this video, I will downgrade the blocked BLE version using stlink.

German forum with the VooDooShamane hacking guide (use google translate ;) )

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Music that plays in the video:
Creative Commons — Attribution 3.0 Unported — CC BY 3.0
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Thx. for watching and commenting, please don't forget to subscribe to the channel, I really appreciate that :)
If you have any questions, feel free to ask in the comments, I'll try to answer them :)
See the video description for software links and other useful links.

MindaugasJocionis
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Hello, just did the no soldering because i didn't want to go to work for it, and well everything worked. So thank you very much

darks
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Muito Bom seu tutorial, muito bem explicado ! congratulações ! Meu scooter Xiaomi essential deu Bug após uma atualização errada e a Dashboard não ligava mais, somente piscava a luz de freio quando apertava o botão power. Mesmo assim consegui realizar o downgrade, sem precisar realizar soldas, mas utilizando fios de metais de pacotes de pães. Consegui na segunda tentativa graças ao excelente video e as excelentes explicações .Você me fez economizar 60 euros . Muito obrigado . From italy

klebersonnr.
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Thank you for this tutorial, my scooter just hit 2000km, so as a reward i downgraded ble so i could flash custom firmware. No soldering required, took a couple of attempts but now my scooter has a new lease of life. Appreciate this tutorial.

anonutube
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Thank you very much bro, love from Greece 🇬🇷!!

YiannisGagos
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I do everything, remove and C2 but still not get connections . Same STL i use for repair bricked ESC. Checked all 10 times not error in my cables but not connections on 1S :(

nikstoun
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Seriously, I did this thanks to your tutorial! But without soldering. Thank you so much 🙏🙏

cristaronaldosewiii
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so this just flaseha the ble to a version lower than the 157? my references are, 1.1.0_248_157_141. I'm waiting for the stlink. In the microcontroller option I have to choose the one above since my board is the orginial no and once finished this flasehar completely with the DonwG to reinstall everything complete in the version of drive bms and ble that I want via bluetooth?

ivangonzalezgarcia
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Does this work on pro 2? Produced july 2021, esc firmware 252, ble 158 and bms 141.

rowanqader
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You're a ⭐️ I just can't wait to receive the st-link and I do all this! Danke Schoen!😜

Tasi
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Thank you so much for the tutorial. I managed to downgrade BLE. I want to change scooter configuration using SHU to adjust cruise control activation timer.

kristupasantanavicius
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Hej, chcę zrobić downgrade tą metodą ale hulajnogi ninebot g30 max, nie wiem jednak, które kolory gdzie połączyć gdyż płytka wygląda nieco inaczej, masz wiedzę czy jest to do zrobienia? 🙏

andrzejzpoczty
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My stlink cables didn't come with an end that has pins. My cables have holes to be plugged into something on both sides, as if I'd connect them between two stlinks. What can I do?

stefanxcz
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Very good guide, compliment!!, it’s so accurate

ivanprincipato
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Would this method also work on a segway ninebot G30LD? Assuming I flash it with ninebot software of course. The dashboard chip is the same, all the numbers match on the chip as well. All I could find about the G30LD is people soldering straight to the speed controller, which requires a lot of disassembly.

DewJrRC
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Great guide, it worked perfectly on my Xiaomi pro 2. Excellent work, thanks

alexthevamp
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Worked like a charm. Used a very thin wire (0, 5 mm) which was easy to solder on the pads. Also used my glue gun to glue the wires down at the edge and that made it easy to remove afterwards. Subscribed.

fredricskogman
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Thanks!!!! Worked perfectly on a pro 2

julc
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Great guide, many thanks!! It helped very much in 1s firmware downgrade

Just a few notes from my experience (maybe helpful for others):
1) From MiDu flasher I was not able to automatically download BLE and Bootloader firwmare, but I just had to manually download them from the links provided by MiDu, rename donwloaded files according to names indicated by MiDu, and paste them in the folder required.
2) At first I tried to solder the STLINK wires to the board, but MiDu was not able to establish the connection (and I also did a little damage to the scooter screen) -> this was because I made bad soldering (which I found harder than I thought)
3) So I ended up trying the "no solder way" and, after a few attempts, I succesfully established the connection and updated the firmware -> so I consider this solution even "safer" if you are not so used to solder :D

giorgiofissore
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Hi. New to this. BLE = Bluetooth firmware right? But what is the ESC and the BMS referred here? Is BMS= firmware version?

juleol