Hacking Hardware Picofly - a HWFLY switch modchip

[Mgt]

I don't think there was a case (yet) of incompatible nand that i've seen.
Do you have any closeup pictures of dat0, clk, and cmd soldering?
*Edit:
or better yet, if you have a spare Pico, flash the new 2.7 firmware on it and connect it. It will give up a more detailed error message.

All the points are covered with UV mask, so I do not show these points. the diode values are correct for all points, especially dat0. where can i find Firmware 2.70? I want to try another picofly.

Post automatically merged: May 17, 2023

What are your values for the sp1 and sp2 points? Usually cpu flex not installed correctly


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I have used flex V1 and now V2 with the same problem. I think the diode values were 7 positive, I'm not sure about the latter.

 

[QuiTim]

All the points are covered with UV mask, so I do not show these points. the diode values are correct for all points, especially dat0. where can i find Firmware 2.70? I want to try another picofly.

Post automatically merged: May 17, 2023

I have used flex V1 and now V2 with the same problem. I think the diode values were 7 positive, I'm not sure about the latter.

Here you go: https://gbatemp.net/threads/picofly-a-hwfly-switch-modchip.622701/post-10160219

 

[raksmey1231]

hello guys, i had install 2 Mosfet on the switch V2 with 0.3mm wire and it was sucuessfuly with blue light and green light . however it appeared as "NO SD card". then when i had repeat it again on switch oled but it was unscuessful with blue and cyan light. then it boot into OFW. anyone know the solution, pls kindly share. thanks

 

[rehius]

hello guys, i had install 2 Mosfet on the switch V2 with 0.3mm wire and it was sucuessfuly with blue light and green light . however it appeared as "NO SD card". then when i had repeat it again on switch oled but it was unscuessful with blue and cyan light. then it boot into OFW. anyone know the solution, pls kindly share. thanks

1) detach the battery, this should reset the CPU regulator configuration and allow you to glitch & enter Hekate
(you can also solder back the rp2040 "Reset" button and press it after joycons logo)
2) update the pico firmware to 2.70
3) solder additional i2c wires for the undervoltage glitching

 

[Mgt]

new images. any ideas?

edit: The only thing that is not clear to me is the values of the cpu. but I have tried several cablex flex with the same result

 

[KingMo5h]

Anyone know the problem when it glitches blue..white..then green but screen ist black just with backlight on and know what is wrong? Also it is black with backlight on when i start without pico connected.
V.2.7 is glitching good too but same black screen with backlight on.
And yes, also put a second mosfet on it, even tried with a 3 one really close toe the caps.

So it looks like it is glitching sucesfull but it just shows a black screen.

 

[minecraftylogan]

the picofly looks really interesting!!!

 

[lightninjay]

Anyone know the problem when it glitches blue..white..then green but screen ist black just with backlight on and know what is wrong? Also it is black with backlight on when i start without pico connected.
V.2.7 is glitching good too but same black screen with backlight on.
And yes, also put a second mosfet on it, even tried with a 3 one really close toe the caps.

So it looks like it is glitching sucesfull but it just shows a black screen.

If you're hacking a switch lite, you've likely somehow messed up a connection going to the daughter board.

 

[KingMo5h]

Yes it is a light but i dont have disconnected any connection, i guess

 

[lightninjay]

Yes it is a light but i dont have disconnected any connection, i guess

https://gbatemp.net/threads/sx-lite...he-screen-doesnt-turn-on.571362/#post-9172025

 

[Mgt]

It seems to me that looking at my own images I think I made the mistake of soldering the d0 one position below its correct position. Can you see it in this photo? or it seems that they are my imagination hehe

 

[cowboy619]

It seems to me that looking at my own images I think I made the mistake of soldering the d0 one position below its correct position. Can you see it in this photo? or it seems that they are my imagination hehe

Just checking them now and yes wrong point


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[bilalhassan341]

It seems to me that looking at my own images I think I made the mistake of soldering the d0 one position below its correct position. Can you see it in this photo? or it seems that they are my imagination hehe

Me too but this issue is resolved because I used the new 2.7 to see what error it give and it is =* which is d0 point not connected properly.

 

[QuiTim]

It seems to me that looking at my own images I think I made the mistake of soldering the d0 one position below its correct position. Can you see it in this photo? or it seems that they are my imagination hehe

Well, there you have it, Yellow=Bad dat0
Chances are that this is it.

 

[FreeLander]

That looks like CYAN light (glitch failure), you should see OFW booting there. My damaged Lite also gave blue screen instead of OFW, so looks like you have similar hardware issues.

Post automatically merged: May 17, 2023

SDA & SCL are optional, for those who have issues with glitch reliability (single mosfet, too thin wires, glitch works only by pressing RST during console boot). You can do the hack the same way as you did before

Thanks my man. I think I should have shared that when I first booted the device after installing the MOSFET, smoke came out of the APU, when I removed the shield I found the G point's wire stuck on the metal and was burnt. Since then I've been getting blue screen on and off and now just blue screen. I checked the caps behind the APU and the red ones were shorted.

 

[Mgt]

effectively the point d0 had it in an incorrect position. I seem to be dumb sometimes oh my god. It is already changed and tested. picofly has trained and now works perfectly. Thank you all very much for your support. In the next installation I will use the new Firmware from our teacher. All this would not be possible without all of you. may god bless you all. We keep talking friends.

 

[nico77]

should i flash the new firmware 2.70 alpha ?
or just stay with 2.67 ??

is there bug with 2.70 alpha??

soon i just have to install wire to point D0,CMD,CLK,RST.

any suggestion?

 

[KingMo5h]

https://gbatemp.net/threads/sx-lite...he-screen-doesnt-turn-on.571362/#post-9172025

checked but found nothing sadly

 

[lightninjay]

checked but found nothing sadly

Then you need to post detailed photos of your install, because plenty of people have been claiming "perfect install, but still have problem!" and then when photos surface of their install... we'll just say it isn't always so "perfect".

 

[bilalhassan341]

should i flash the new firmware 2.70 alpha ?
or just stay with 2.67 ??

is there bug with 2.70 alpha??

soon i just have to install wire to point D0,CMD,CLK,RST.

any suggestion?

Use the official 2.67 firmware if the installation is done correctly there is no need for 2.7 which is in alpha stage.
If you encounter any issue and not found any problem in the installation and everything looks good but still not showing NOSD. Then your best try will be a 2.7 to see what error it will give.