installing hwfly 4.1 on switch lite please help ! chip not attaching

redditorguy · Sep 30, 2022

Ok please help.
first thing i have recieved info to cut part of this chip do i have to do it?

2nd question we having hard time to solder A and C and D points due to lack of copper any tips please?
im getting my friend help as well who is experienced with soldering but still we cant solder it!
we used flex and chisel tip solder what tip have you guys used and would recommened ? any tips? thanks heaps pleaasee.

ciaomao · Sep 30, 2022

redditorguy said:
Ok please help.
first thing i have recieved info to cut part of this chip do i have to do it?
View attachment 329405
2nd question we having hard time to solder A and C and D points due to lack of copper any tips please?
im getting my friend help as well who is experienced with soldering but still we cant solder it!
we used flex and chisel tip solder what tip have you guys used and would recommened ? any tips? thanks heaps pleaasee.
View attachment 329406

Lack of copper? Are A,C,D not gold plated? What about to use the via points?

redditorguy · Sep 30, 2022

thats the chip what solder iron tip did you use?
also do i need to cut that part chip

ciaomao · Sep 30, 2022

redditorguy said:
thats the chip what solder iron tip did you use?
also do i need to cut that part chip

Lools like your hamster opened the box on arrival.
Why not use those pads?

I have no HWFly, but for SMD size, I do normally use a tip << 1mm.

thesjaakspoiler · Sep 30, 2022

Before cutting the part, you can also wrap some kapton tape or vinyl tape around 1 of the pads and not solder it.
Note that the flex cable both has a pad on the front and back so only putting tape at 1 side won't work.

I don't know how you can damage the flex cable like that.
I would recommend using soldering wire with flux.
And check if your soldering iron is not too hot or too cold (if it has a temperature setting).

Zonark · Sep 30, 2022

Are you not using flux??? You need to get some and tape this in place with kapton tape. Tin the pads then connect

redditorguy · Sep 30, 2022

ciaomao said:
Why not use those pads?
I have no HWFly, but for SMD size, I do normally use a tip << 1mm.

oh like getting slim wires from the console and attaching it there? thats a good idea!

thesjaakspoiler said:
Before cutting the part, you can also wrap some kapton tape or vinyl tape around 1 of the pads and not solder it.
Note that the flex cable both has a pad on the front and back so only putting tape at 1 side won't work.

I don't know how you can damage the flex cable like that.
I would recommend using soldering wire with flux.
And check if your soldering iron is not too hot or too cold (if it has a temperature setting).

Thanks good idea.
it just because i took it off and on few times as i was struggling installing it

Zonark said:
Are you not using flux??? You need to get some and tape this in place with kapton tape. Tin the pads then connect

yes doing that using flux , we managed to solder the first part but this one is struggle !

Zonark · Sep 30, 2022

redditorguy said:
oh like getting slim wires from the console and attaching it there? thats a good idea!

Thanks good idea.
it just because i took it off and on few times as i was struggling installing it

yes doing that using flux , we managed to solder the first part but this one is struggle !

I would check your soldering tip

redditorguy · Sep 30, 2022

Zonark said:
I would check your soldering tip

what are you recommendation ?
my friend who is experinced with micro soldering was using the chisel type

Zonark · Sep 30, 2022

redditorguy said:
what are you recommendation ?
my friend who is experinced with micro soldering was using the chisel type

No to the chisel I would use a fine tip flat small neck personally for micro. This allows you to move minimal solder. I personally do a lot of microsoldering on the GameCube for people wanting internal sd cards and mod chip installs in general.

Heat should also be hotter if your running it to cold it won’t “flow” well

I would mention looking up cellphone repair videos and practice on those to get a hang of stuff friend woulda like they do normal size

randy_w · Sep 30, 2022

I always use pointed tip since those pads are very small, the contact point of a chisel tip is probably larger than an smd component so it's very likely to mess thing up.
Also try to avoid heating the ribbon cable for a long time with your iron. I usually set my iron at a higher temperature so I can melt the solder more quickly. Otherwise you'll burn and damage the ribbon cable. Use leaded solder also helps.
Looks like your ribbon cable is gone. The contact points for A C and D are all burnt and deformed. Even if there are some copper left I doubt it will align properly with the motherboard.
Imo you might as well solder directly to the modchip. Attach the ribbon cable and figure out the pads layout with a multimeter.

redditorguy · Oct 1, 2022

randy_w said:
I always use pointed tip since those pads are very small, the contact point of a chisel tip is probably larger than an smd component so it's very likely to mess thing up.
Also try to avoid heating the ribbon cable for a long time with your iron. I usually set my iron at a higher temperature so I can melt the solder more quickly. Otherwise you'll burn and damage the ribbon cable. Use leaded solder also helps.
Looks like your ribbon cable is gone. The contact points for A C and D are all burnt and deformed. Even if there are some copper left I doubt it will align properly with the motherboard.
Imo you might as well solder directly to the modchip. Attach the ribbon cable and figure out the pads layout with a multimeter.

thanks we tested the ribbon cable with multimeter and still works phew,
if we directly wire it do we need to do anything for the grounding?

randy_w · Oct 1, 2022

redditorguy said:
thanks we tested the ribbon cable with multimeter and still works phew,
if we directly wire it do we need to do anything for the grounding?

Grounding wire is optional, although I always solder GND pad to the 3.3v filtering capacitor.
Ground connection has already been made by the CPU ribbon cable, so it doesn't really matter if you add another wire or not.

frangato · Nov 15, 2022

randy_w said:
I always use pointed tip since those pads are very small, the contact point of a chisel tip is probably larger than an smd component so it's very likely to mess thing up.
Also try to avoid heating the ribbon cable for a long time with your iron. I usually set my iron at a higher temperature so I can melt the solder more quickly. Otherwise you'll burn and damage the ribbon cable. Use leaded solder also helps.
Looks like your ribbon cable is gone. The contact points for A C and D are all burnt and deformed. Even if there are some copper left I doubt it will align properly with the motherboard.
Imo you might as well solder directly to the modchip. Attach the ribbon cable and figure out the pads layout with a multimeter.

View attachment 329487

Does anyone know or can decipher the order of the points to be able to solder through cables in case the flex is screwed up? I have one that I don't have on the flex because it arrived damaged, but I want to take advantage of it, the bad thing is that I don't know the order of the points on the chip. Thank you very much.

randy_w · Nov 15, 2022

frangato said:
Does anyone know or can decipher the order of the points to be able to solder through cables in case the flex is screwed up? I have one that I don't have on the flex because it arrived damaged, but I want to take advantage of it, the bad thing is that I don't know the order of the points on the chip. Thank you very much.

You can find diagrams for direct wiring on sthetix's github:
https://github.com/sthetix/DIAGRAM
Pinout diagrams are for original sx chips and old hwfly clones only, not for v4.1/v5 chips, not sure if manufacturer changed the pinout. I haven't used any v4.1/v5 chips as my seller told me they are from a different manufacturer and are poorly made.

installing hwfly 4.1 on switch lite please help ! chip not attaching

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