Hi guys. Sorry if this is in the wrong thread but thought I'd post up to show how I fixed my note 2 wifi problem,
So my specific model is the sgh-i317m and I'm in the uk, bought the phone recently as I've always fancied one, anyhow when I got the phone home and set it up I had very weak wifi connection, no signal at all up stairs (would disconnect) and even if I was in the same room as the router I wouldn't have any wifi signal bars (unless I was smack bang next to the router)
Anyway I Googled the issues and saw 5 hat it is a common problem, tried all the usual stuff and nothing worked so decided to get my tools out. Anyway here is how and what I did, I'm not sayo g this will work for everyone but it worked for me.
I recommend you have a professional do this unless you have the knowledge and skills base.
Things you'll need;
Small screwdriver set,
Small tweezers
Magnifying glass (optional but makes it somewhat easier)
patience is key here.
Any how,
Once you've removed the back chassis from your phone and mother board you will see these prongs
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*this photo is from Google as I was doing this repair to my daily phone do couldn't use for photos* lol
Anyway on mine this prong had come loose and therefore wasn't contacting properly, I pinpointed this anyway as when you pressed on the back of the phone the signal would boost,
Anyway this is where you need your soldering iron, and a spare motherboard, you could possibly use something else but I had spare motherboards lying around so used one from a crapberry
So once you've let your soldering iron get up to temperature press it as close as you can to the underneath of this prong to liquidise the solder underneath, be patient, I held the soldering iron there for 10-15 seconds before it liquidised. you'll know when it's hot enough as the prong will move, I held it with small tweezers to make it easier.
So now you should have your old prong removed, move this away as not to get confused with the one your replacing it with. Repeat above steps for the one from your spare motherboard.
Once you've done that, if you have a flux pen lightly cover the solder pads, place your prong on them with the tweezers and hold it still, then hold your soldering iron on the prong for about 30-60 seconds to be safe, gently move away your soldering iron away from it and if it's tight on you've done it successfully.
I will post up some photos of the full process but this should be easy enough to follow. And I'm sure you'll be able to find a guide on you tube (if not I'll upload one)
Hope this helps. Feel free to comment with any questions etc.
Related
hi there,
I had spilled water on the top of my galaxy nexus this morning and it wiped out the ear speaker. so i decided to open it up and eventually after some tinkering around I managed to fix it, however, I hadn't realised when lifting the mainboard that the volume switch was soldered onto it, and ended up breaking the connection. you can see it from the picture below. how can I solder this back? its a very small connection. i cant seem to find any videos or guides on how to solder back connections like this.
any help would be grateful, thanks
everything else with the phone is working fine though, but i lost the ability to go to recovery or bootloader
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Can't be done, you broke 2 of the connections from the ribbon itself.
You'll have to either buy a whole new ribbon, or a whole new board with the ribbon already soldered on.
The picture also seems to indicate the pad being lifted from the other board. If that is indeed the case (feel the area of the board for a depression), your repair just got a lot more expensive - you may need to replace the board too.
Below point may be moot given the damage in question, but the actual soldering is best done with a high power but temperature controlled soldering station like the Weller WES51. You also need lead free solder, fresh tip, very steady hand, and quite probably a third hand (a tool that looks like two posable alligator clips, to hold your work piece).
motopig said:
The picture also seems to indicate the pad being lifted from the other board. If that is indeed the case (feel the area of the board for a depression), your repair just got a lot more expensive - you may need to replace the board too.
Below point may be moot given the damage in question, but the actual soldering is best done with a high power but temperature controlled soldering station like the Weller WES51. You also need lead free solder, fresh tip, very steady hand, and quite probably a third hand (a tool that looks like two posable alligator clips, to hold your work piece).
Click to expand...
Click to collapse
i assume you mean the pads where the connection was? its ok its just that the soldered bits are abit lifted. the board doesn't seem to have any damage.
I've contacted Samsung about this, i hope they get back to me in time. i can still use the phone though, just cant change volume or get any vibrations lol
IINexusII said:
i assume you mean the pads where the connection was? its ok its just that the soldered bits are abit lifted. the board doesn't seem to have any damage.
I've contacted Samsung about this, i hope they get back to me in time. i can still use the phone though, just cant change volume or get any vibrations lol
Click to expand...
Click to collapse
I never said the board need replacement because it isn't working , just that if the copper pad itself was lifted (or worse, torn) from the board, you will never be able to fully fix the connection yourself because you have nothing on the board to complete the circuit with, without going for more drastic measures.
Samsung may very well ask you to send the phone in, then I'm willing to bet that they'll swap the board as well. That is if they don't try to void your warranty.
yeah, so i ended up buying a faulty GN with a broken screen off eBay ill swap my screen with that one and sell mine too as faulty..
sad times, but ill be back
So I had the Hyperdrive KK RLS3.1 ROM on my phone. Yesterday morning, when I tried to make a phone call, I noticed the volume was REALLY low.
I then installed another ROM and had the same issue.
I can hear the sound coming from the back of the phone.. but not from the front.. And then I remembered, the night before, my phone accidentally got cheese wiz on it at the movies last night when my girl dripped it from the box to her mouth. I wiped it off in the dark while the movie was playing.. but maybe cheese had pushed into the tiny holes and solidified?
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That's the only thing I can think of.. if the speaker had fried, I wouldnt be able to hear anything.
So what can I use to clean out the speaker? A health dose of rubbing alcohol? (while the phone is off of course)
Any ideas?
If you have access to a desktop computer that has a mouse then use the mouse - they eat cheese.
Hot water. Put the device in a ziploc bag speaker down, and hold the speaker under very hot water (100-180F), about the hottest you would sip coffee. Don't let the zipper go under water because they aren't all waterproof. Give it about 5-10 minutes. If you see cheese running down into the bag then pull it out every now and then to clean and examine. After that's done I would take a chance and squirt some hot water directly into the speaker (facing down) to rinse out the remaining cheese, then blow-dry it.
Frank
Just take it apart and clean the earpiece yourself. It's just several screws to remove the back cover. You will see the earpiece right away and just pull it away from the front bezel. There's a ribbon cable attached to it so you won't be able to pull it completely of but enough for you to see the front of the speaker. Inspect and clean. There is a mesh over the speaker which should prevent the cheese from getting in there so you may just need to wipe it off and use Q tip with alcohol to clean it and the speaker holes on the bezel.
I was able to fix it by putting a needle through the little pinholes.. there was a little resistance, but then it went through! I had no resistance on the first pinhole, so I then gauged how deep to go with the needle on the rest of the holes so I didnt do any damage.
YAY! If there are any further issues, I will try the steps u guys suggested.
Thanks again!
That was risky. Good chance you can damage the ear piece. But glad u got it working.
Sent from my SM-N900T using Tapatalk
if you're looking for charging port fix, here is a small tip i hope could help you..
you can read all the thread or just jump to bottom line
my charging port stopped working after about 3 months of usage.
this was very frustrating, and didn't happen at once. at first i had to put the charging cable in certain direction, and later on i had to put some leverage on that direction, until eventually i couldn't charge at all.
it is known that this phone is one of the hardest to open, and once you put it on the "surgical table" it's hard to finish the job without "scars" , so i do understand those of you who chooses repair stores over fixing adventures. on the other hand, at least in my country, HTC repair cost so much that you ought to think about other options.
So then my tip is for those of you who have the willing and repair equipment.
You'd probably look for replacement charging board, which indeed are very cheap, and then just check out one of the many tear-down youtube videos explaining how to open the phone and replace the port.
i chose to fix the exist port instead.
to be honest, i also bought replacement. but not only it got damaged, i've found out after opening the phone that there are the two different boards for 32G/16G versions. so instead of buying another part, and waiting another month or so until arrival, i figured i can try and check out what went wrong with the current one.
i did use lab microscope to find out the problem, but there weren't many suspects to begin with.
turns out for 3 out of the 5 micro USB pins (the middle 3) - the connection to the board got broken.
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so i just used friend help and soldered the 5, and voilà, phone charging again..
note that -
1. the pins were barely soldered to the board. very little amount of tin
2. I've checked my USB cables and it does look like the metal connector length differ in sizes from one to another. even if not by much, it's clearly visible. so it's very likely that inserting a cable with long connector time after time just broke the connection.
bottom line,
if your charging port malfunctions, and you happen to have soldering equipment, or a friend who does, just carefully solder/strengthen exist soldering of the 5 USB pins to the charging board.
i guess you can even take the board and ask for any electronic repair shop just to solder those. will cost much less than expert store repair
Hello. Some weeks ago I sent my Nexus 5X to the technical assistance with the problem I described here https://forum.xda-developers.com/nexus-5x/help/brick-apparently-reason-t3680715. Now they told me that they won't repair it under warranty because they found traces of liquid/oxide inside it, so they are sending it back to me unfixed. Now I find this odd because the only encounters it has made with water were in the form of small quantities dropped on the screen (the amount you can drop by moving a glass in the air too quickly) which I dried immediately and the symptoms seemed to point to a bad contact. Anyway the repair center provided an image in which seems that actually some liquid has made it inside the case, but I can't recognize which part of the phone it is. Here's the image:
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So the questions are: which is the part in the photo? Do you have an idea about how could have a liquid made it inside the phone (I think that is unlikely that it was by dropping something on the screen)? Do you think that the problem I experienced is compatible with a water-induced short circuit or any other damage by liquid?
Thanks in advance for your answers and explanations
I actually thought that was a picture of the shipping box before I read your post. I took mine apart to where I could pull the motherboard off, and there definitely wasn't blue tape holding something down. The only thing I can think of is that is maybe the back of the screen. Which would be after pulling the metal frame off.
Check out these pictures. If you go all the way toward the end steps, you can see you get all the way until there is mostly the metal frame inside the plastic and stuck to the back of the display without seeing anything that looks like your picture.
Their picture honestly seems to be an entirely different phone. But of course they may have changed assembly and parts at some point. I would take it apart when you get it back, take pictures and if nothing looks like the picture they sent, see if you can appeal or whatever. Maybe you can just point to the 3rd party teardowns and ask them to point out where they claim the picture is from.
https://www.ifixit.com/Teardown/Nexus+5X+Teardown/54403
https://www.ifixit.com/Teardown/Nexus+5X+Teardown/51318
I think it's under the battery, the blue part looks like the battery adhesive but it's normally black,
It was was to get behind there it would of had to enter via the simcard
Hi Team XDA,
My first post... hope it's in the correct board, please be gentle ?
I've just replaced the near-dead battery in my M8. The amount of tape and glue surprised me, but I got there in the end with a heat gun, razor blade and spudger, oh and a new display after the original cracked on the way out. It's been a learning process!
All went back together nicely and my M8 now holds a good charge.
The problem:
No audio at all via the top (earpiece) speaker. As a workaround I can select speaker phone which uses the bottom speaker, but that's not ideal.
Solutions tried so far:
Factory reset.
New speaker installed. I struggled to work out which way round this went, after foolishly failing to note the orientation when I removed it, but think I've got it correctly aligned.
Suspected issue:
When I first opened the case, one of the small gold spring contacts (earthing fingers?) fell out.
I can see where this has come from. It's from the daughterboard, on the opposite side, but close to where the speaker makes contact. In the picture below it's the left-right mounted gold contact on the right side of the board, just above the square hole.
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Another photo showing the reverse side of the PCB, with the speaker contact points top left, either side of the 2 cutouts.
Photo of replacement speaker.
I'm thinking of re-attaching the gold spring contact with conductive epoxy. If that's doesn't work, I was going to try another new speaker as they're fairly cheap and easy to come by.
Any thoughts from you guys? Any suggestions greatly received, thanks.
New speaker fitted, spring / earth contact reattached.
Both channels working... until I put the metal case back on, then the fault returned, no left (top) audio. Opened up again, can't get the top speaker to work.
I tried a voice call using the hands free set that came with the phone. Detects ok when plugged in, but no mic function, the other side can't hear me.
In to the "spares" drawer it goes.