Hi everybody... So let's start to form the beginning
I have an s10+ model SM-9575U1 and his motherboard is broken at all and I live in Brazil, so basically you cannot find another SM-9575U1 model so easily, Here goes my question (I know it sounds stupid, but...) its possible to put another motherboard model like SM-G975F, or maybe buy a used s10+ model SM-G975F and change some pieces like my battery and screen in this another model? Or maybe someones know where could I buy for a reasonable price another motherboard?
The c port pcb is likely different and there could be other incompatibilities.
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Hey there!
Like many of you here, i have a S3 with a sudden death.
The thing is: i'm from Brazil and bought my phone in China, so the local authorized technical support refuses to help me, because he says it's very hard to register the IMEI number from a imported phone.
I think my only way out is to buy another motherboard and replace it myself, but again, i can't find any here in Brazil, so i'll have to buy from eBay on US and Canada or UK.
Anyone here knows to do it? I already teared my phone apart and know how to manually replace the board, but what about the IMEI number? It´s possible to do that?
There's any other problems or difficulties i might find on the way?
Thank you so much for all our help, you guys have been great here!
Hi all of you, i´m thinking to buy a note 4 demo unit i know that it can´t be used like a normal note 4 but here´s a but, i´m also thinking to buy a note 4 normal mother board and my question is, if I can replace de normal motherboard in the demo unit and have a full phone working, I want to do this because is more cheap to me if I buy separately and make the phone working, sorry if the post don´t go here, I will be really really thanksfull is you can help me thanks in advance.
jacksoncolocho said:
Hi all of you, i´m thinking to buy a note 4 demo unit i know that it can´t be used like a normal note 4 but here´s a but, i´m also thinking to buy a note 4 normal mother board and my question is, if I can replace de normal motherboard in the demo unit and have a full phone working, I want to do this because is more cheap to me if I buy separately and make the phone working, sorry if the post don´t go here, I will be really really thanksfull is you can help me thanks in advance.
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Not sure about the others. But the phone seems like not able to get opened up as easy as unscrewing the screw. Probably will leave some scratches or damage to the digitizer etc. Is the price differ that much?
PS: What about IMEI number?? If you are buying demo unit I don't think you will have any valid IMEI from the demo phone.
DreamerTKM said:
Not sure about the others. But the phone seems like not able to get opened up as easy as unscrewing the screw. Probably will leave some scratches or damage to the digitizer etc. Is the price differ that much?
PS: What about IMEI number?? If you are buying demo unit I don't think you will have any valid IMEI from the demo phone.
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He could just use one from an old phone (or maybe his carrier doesn't care about phones without IMEI-numbers).
jacksoncolocho said:
Hi all of you, i´m thinking to buy a note 4 demo unit i know that it can´t be used like a normal note 4 but here´s a but, i´m also thinking to buy a note 4 normal mother board and my question is, if I can replace de normal motherboard in the demo unit and have a full phone working, I want to do this because is more cheap to me if I buy separately and make the phone working, sorry if the post don´t go here, I will be really really thanksfull is you can help me thanks in advance.
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If you have the demo units that had been used during launch then your going to need more then a Mobo. The screens don't actually work so you'll need one of those. Also a battery. Then the Mobo. Working Spen, because the demo units don't actually work. Then you need to get the equipment to flash a IMEI if the Mobo doesn't have one. Just at the price of Mobo replacements your better off buying a real Note 4 straight up.
ok I want to do that because I already did with an S5 I purchase a demo unit then just replaced the motherboard with another that I have, and now I have a fully functional galasy S5, but I don´t know if it is the same with a note 4 by the way the demo unit of the galaxy S5 is the g900x model and use it with a g900h motherboard
jacksoncolocho said:
ok I want to do that because I already did with an S5 I purchase a demo unit then just replaced the motherboard with another that I have, and now I have a fully functional galasy S5, but I don´t know if it is the same with a note 4 by the way the demo unit of the galaxy S5 is the g900x model and use it with a g900h motherboard
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hmmm What i know so its possible you just need to change the motherboard with IMEI .
Cheerz
M
this is really old and all, but:
i opened a note 4 live demo unit last week:
the antenna cables between the mainboard and the bottom/usb PCB are missing including the connectors on the boards(s),
so it would appear that you at least need to add those cables, and either solder the connectors on the bottom pcb (or replace the whole bottom pcb, which is likely easier).
and beyond that, i cannot tell if the actual antennas are maybe missing too.
(and maybe one of the two cables is for wifi, which could explain that wifi is rather weak on my note4)
I believe that demo units are actually fully functional units of the retail product. The only difference is that the OS has been customized so it contain additional retail demo bloatware.
i own three note4 demo units (off ebay) and used them for years, with wifi tethering to a low-end phone for internet.
here is a picture of a disassembled note4 demo unit (right/top) compared to a regular (gsm) unit (bottom/left).
imgur.com/a/A1WKlJK
please observe the missing cables and unpopulated pcb connectors.
i dont't know about the other radio hardware.
i've had an offer from somebody who can supposedly turn a demo unit into a functional phone with a software fix, but the missing cable speaks against that.
otherwise the main difference is that demo units have the "samsung retail mode" app installed, which does all kinds of annoying things, and blocks any removal of itself through regular means (unless you know it's password), but getting rid of it is rather trivial, because the bootloader of the demo units (that i had) is not locked. you can just flash a new rom (AND wipe userdata)... or even just a custom recovery, and delete the retail-mode app from the system through the recovery.
but even then, no cellular radio.
and no gps(!), supposedly because gps is handled by the same chip.
Hey guys,
My Nexus 6p no longer receives signal, which is caused by a faulty soldered chip on the motherboard. All the service shops I visited can't fix it, they recommended buying a new motherboard instead. My Nexus 6p is the H1512 (International) model. The question is:
Can I put the motherboard from H1511(NA) to the H1512(International) mode and will it work? Broken USA models are selling cheap and I will pretty much try that, if anyone can give me a hint at the possibility of it working out.
Thank you
Graphics card guys having issues with solder have put their cards in oven at 250 for some length of time (I don't remember) to fix the solder to make a dead card work again.
Sent from my Nexus 6P using Tapatalk
Dawnut said:
Hey guys,
My Nexus 6p no longer receives signal, which is caused by a faulty soldered chip on the motherboard. All the service shops I visited can't fix it, they recommended buying a new motherboard instead. My Nexus 6p is the H1512 (International) model. The question is: Can I put the motherboard from H1511(NA) to the H1512(International) mode and will it work? Broken USA models are selling cheap and I will pretty much try that, if anyone can give me a hint at the possibility of it working out.
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Sorry to say but I can't see how this could possibly be economical or worth the effort. No reason it would not mechanically connect and function but the question is really: will the NA model work well in your location? A quick google of the bands in Bulgaria vs USA says no. No GSM overlap, No 4G LTE overlap and only one UTMS band on 3G (UTMS 2100). Another risk you take is the MB is already toast on the phone you buy (and the reason it was sold for parts). You really need to find a INTL MB for it to work in your country.
@@ said:
Graphics card guys having issues with solder have put their cards in oven at 250 for some length of time (I don't remember) to fix the solder to make a dead card work again.
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:laugh:LOL!
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I have a dual Sim Samsung S8+ G955FD
I need to replace my USB charging port
do any of you guys know where I can get one for the G955FD?
and I live in UK by the way
hopefully you guys can help me out and thank you for your time for reading this.
I am wondering this as well, did you find a good one? I need it for my S8 G950F because the phone is not charging anymore and it is bad connection inside :\
I would consider either one of you buying a daughterboard for your phones and just replace it. Easiest way of fixing that problem.
You can buy a daughterboard/charging ports on eBay or ifixit (or many other sites, AliExpress, etradesupply...).
I think that the g950 version should fit both, the F and the FD as well as the the g950 should work in the g955
Worst case would be, you have to insert the old one and wasted 15-30$.
https://www.ifixit.com/Guide/Samsung+Galaxy+S8+I-O+Daughterboard+Replacement/90332
S8
https://www.ifixit.com/Store/Parts/Galaxy-S8-Charging-Daughter-Board/IF355-014-1
S8+
https://ifixit.com/Store/Parts/Galaxy-S8-Charging-Daughter-Board/IF355-021-1
And for ebay, just search for Samsung Galaxy g95xxx (your version) charging port.
There should be some products that fit for you.
Sent from my Galaxy S8 using XDA Labs
all the active/dual sim/snapdragon models share the same hardware so you can find them just about anywhere. Order up a new glass back/adhesives as well because Ive yet to remove one without scratching some paint off of one..
Depending on how often and where you charge picking up a wireless charging station and just using that is also an option.
Hello, I have an s8 sm-g950u that has a problem reading SIM and sd card. I have been researching for a fix but have about come to the conclusion I will need a new mother board. My main question is.. about which to choose. I am in the US and know the nootloader of this phone can't be unlocked. If I were to purchase a motherboard of an unlockable model would it work in this phone? What things would I have to be concerned With? Would it change.my imei and other identification numbers... would there be any other things needed to be done to make it work in my she'll? Would I have to replace any other parts? Knowing the motherboard would be shipped from Ali express, for around 100 bux, it would be used. Should I be concerned with That? Which would be the best motherboard to choose? The g950f I presume? Any and all advise would be excellent. Thank you xda
If it's like the Galaxy S7, you'll also need the G950F daughterboard that has the USB port on it. Also, I've read that the G950F uses Samsung camera modules and the G950U uses Sony camera modules, so your cameras may not work after the swap.
It might be easier just to find a G950F with a broken screen to buy.
Thank you for that info. I was not aware of either of those tips. I am hoping this thread gets bumped a bit with this reply. I am hoping for just a bit more info if possible.. Or even opinions on a new model that would be comparable to the s8.. maybe wider.. I have been reading on phones for days.. I had no idea there were so many to choose. Perhaps a Chinese variant with equal to better specs