Hacking Hardware Picofly - a HWFLY switch modchip

[JaRocker]

Does anyone have the GitHub link with the schematics? I had it before but idk what I did with it

 

[linuxares]

Does anyone have the GitHub link with the schematics? I had it before but idk what I did with it

It's in the "Important Posts" tab or the Guide from the Download side

 

[NooBziN]

New update to the guide, V.6.1 just dropped

https://gbatemp.net/download/a-definitive-picofly-install-guide.37968/

Post automatically merged: May 20, 2023

@NooBziN How's your guide update coming? Have you released it yet?

no big changes in 2 minutes it was updated just yesterday

 

[JaRocker]

It's in the "Important Posts" tab or the Guide from the Download side

Thanks

Post automatically merged: May 21, 2023

It's in the "Important Posts" tab or the Guide from the Download side

Idk what I'm doing wrong but I wasn't able to find it

 

[Adran_Marit]

your order those same mine right? so you dont have problems using then?? i mean most moderators here toll me they dont suport " those chips" and because i dont have an support still cant figure out if they need or no updated,in the store they say " pre installed firmwarethey say this in their website "All chip pre installed stable firmwares,suport all consoles directly! No suggest flash to unstable 0.7.2 !",The idea is when I run out of these chips to be able to use the ones that everyone in the group uses, BUT the flex option is very comfortable for those of us who are not professionals,so today i will try to update one of this chips via toolbox,i dont have more options,pc never see then,if the chip burns or dont acept the update i totally loss

Post automatically merged: May 21, 2023

The pc does not detect them, I have tried in all possible ways, I pressed the boot button, I did not press it and nothing, the pc does not see them, if I connect one of my old hwfly using the same cable, the same mini ubs port the pc does Go right away and I can update them without problem using the bat.bin file, unless of course I'm doing something wrong but it's not NASA science, that is, the PC should recognize them but it doesn't, only when the chip is connected to the switch turn on the leds

what? no I got an instinct-nx chip

Does anyone have the GitHub link with the schematics? I had it before but idk what I did with it

uhhh there are some stuff on the github maintained by Ansem-SOD

 

[nico77]

guys

i manage to get no sd but only when im press the reset button on rp2040

at first one i got blue and green but get to ofw

after that
i try press the reset button on rp2040 and get to screen > "No SD Card"

im using firmware 2.67

how to fix this?

thx

 

[bilalhassan341]

guys

i manage to get no sd but only when im press the reset button on rp2040

at first one i got blue and green but get to ofw

after that
i try press the reset button on rp2040 and get to screen > "No SD Card"

im using firmware 2.67

how to fix this?
View attachment 372979

thx

Use a New firmware 2.73 which supports the SDA/SCL wires to resolve this issue.
link: https://gbatemp.net/threads/picofly-a-hwfly-switch-modchip.622701/page-78#post-10090767


Edit: (According to Rehius: The second major feature is CPU downvoltage. This might be useful when your MOSFET (or the wire) is not strong enough for the glitch. (do you remember the case where you press "RESET" on the rp2040 when joycon logo appears to make it working? that's it, system lowers CPU voltage)
Therefore you can solder two additional wires to the chip so it could lower the CPU voltage making the glitch easier. This is optional! only if you really need.


Edit: My switch also has the stubborn cpu using 2 mosfet but still require to press the reset button but these two point solve this issue. If your switch don't require to press reset button you can miss these points.)

 

[Dee87]

guys

i manage to get no sd but only when im press the reset button on rp2040

at first one i got blue and green but get to ofw

after that
i try press the reset button on rp2040 and get to screen > "No SD Card"

im using firmware 2.67

how to fix this?
View attachment 372979

thx

check this out

 

[lightninjay]

guys

i manage to get no sd but only when im press the reset button on rp2040

at first one i got blue and green but get to ofw

after that
i try press the reset button on rp2040 and get to screen > "No SD Card"

im using firmware 2.67

how to fix this?
View attachment 372979

thx

download the latest update to the guide

 

[CHIPSET]

Hi friend. I have my Switch OLED FW 16.0.3 with rp2040 zero with 2.73uf2. my question is Why some time when i turn off the Console and then turn on it's not working nothing. I need press de power 15 sec and then turn on again to work all fine.. why ?

 

[Nephiel]

Hi friend. I have my Switch OLED FW 16.0.3 with rp2040 zero with 2.73uf2. my question is Why some time when i turn off the Console and then turn on it's not working nothing. I need press de power 15 sec and then turn on again to work all fine.. why ?

Are you using a flex cable or bare mosfets? If it's mosfets, you might be having this issue.

 

[CHIPSET]

Are you using a flex cable or bare mosfets? If it's mosfets, you might be having issue.

Maybe soldering 3k resistor on Gate to Source will fix it.

 

[JaRocker]

what? no I got an instinct-nx chip


uhhh there are some stuff on the github maintained by Ansem-SOD

Thanks, I'll go take a look

 

[nico77]

btw for lite

can i use 0.2mm for gnd point ?
also 3.3v point ? 0.2mm
enamel

 

[Browbon]

for my lite, i used 0.3 mm enamled wire for gnd, 3.3v and from cpu to mosfets (cuz i cant get the 0.2 one) but imo i think 0.2 mm one is good enough

btw for lite

can i use 0.2mm for gnd point ?
also 3.3v point ? 0.2mm
enamel

 

[Dee87]

btw for lite

can i use 0.2mm for gnd point ?
also 3.3v point ? 0.2mm
enamel

U can even use 0.1 for those

 

[nico77]

for my lite, i used 0.3 mm enamled wire for gnd, 3.3v and from cpu to mosfets (cuz i cant get the 0.2 one) but imo i think 0.2 mm one is good enough

cuz
right now for 3.3v and GND im using wrapping cable little bit thick, forgot how much mm this one.
but the problem, that wrapping cable too thicker
make hard to solder.
also for cleaning install

planning to change them to 0.2mm

 

[blackheartme]

Hello thanks, one finally worked for me, I was able to connect it to my PC and I detected it, now the question is, how do I know that when updating the chip it received the update well and did not cause damage? Here I put the info that the pc shows me when connecting the chip, now that I update it (it's just copy and paste correct) it gives me a yellow light that blinks 2 times
,this the infor i can see inside the chip

UF2 Bootloader v3.0
Model: Raspberry Pi RP2
Board-ID: RPI-RP2

why you keep asking things when you havent installed it yet ??, pretend its normal rp2040 zero follow instructions READ GUIDE everything you ask are there if not browse this thread or aio thread , just instal it and go boom, i bought it in good conscience that its a custom MADE RP2040 that nobody here would study it and hand holding for me or for you, stop worrying stupid things worst case schenario its not gonna working properly as it intended but hey you learn something...

if you dont have that mindset just buy another normal rp2040 zero, pico, one, tiny or whatever its cheap AF, cheers

 

[abal1000x]

Today i learning on dat0 adapter.

Here is the problematic dat0 adapter

View attachment 372617
Distance between two black lines is 1mm.

While the distance between pin in the ic is 0.5 mm according to the datasheet.
View attachment 372618

So based on the picture its definitely going to get short circuited with the neighbour pin, when put into the right place

Here is the pinout from the datasheet.
View attachment 372620

So maybe some that succeed using this DAT0 adapter they place it wrongly by shift it a little bit left (right if working on the pcb),
Because pin no2 is NC (Not Connected). While people whose place it correctly or shift a little bit to right, will got pin no4 short circuited.

This is my analysation, and i am gonna try to shift the adapter to the left pin (right shift if working on the pcb).

Update: POC (Proof of Concept)

Modify the adapter little bit.

Shift it slightly to the right.

The diode value will not be different, when Dat1 Short Circuit (SC) with Dat0.
Its around 600.

When Dat1 SC with the Dat0 picofly will throws error:
=*== eMMC test failure - read failed

I've confirmed this and the picofly working until nosd shown (by shift the adapter a little bit to right).

 

[cgtchy0412]

cuz
right now for 3.3v and GND im using wrapping cable little bit thick, forgot how much mm this one.
but the problem, that wrapping cable too thicker
make hard to solder.
also for cleaning install

planning to change them to 0.2mm

Ground and 3.3V is pretty easy, not worth the time to pretin that enameled wire.