[A]Modem did not power up (0) starting rsd protocol - Atrix 4G General

Okay so here's how to fix the modem did not power up issue
i believe the problem arises because of the loss of connection between the motherboard n modem chip ( which is in this case is Qualcomm MDM 6200 , saw it on ifixit)
this loss of connection occurs because the soldering gets improper due to overheating.
so to regain the proper connection we r again going to heat the connection to melt them so the join again in proper way n let it cool down without disturbing the position so they again solidify in proper way.
IF YOU DAMAGE YOUR PHONE I WONT BE RESPONSIBLE
THIS WORK HAS TO BE DONE CAREFULLY AND BY EXPERTS
I Have Made A Video Tutorial search on youtube [(SOLUTION) atrix 4g"Modem did not power up (0) starting rsd protocol"]
Things you will need
1- Opening tools
2- Heat gun
3- Aluminium foil
4- Skills and carefulness
STEP 1 - Remove mem card, sim card, battery
STEP 2 - Open all the screws
STEP 3 - remove the plastic cover from bottom and upside with pry tool and lift it from the side where there are camera n flash on the other side there is antenna.
STEP 4 - remove that antenna carefully on the right side and the cover will be removed completely.
STEP 5 - now you will see motherboard. THERE ARE NO SCREWS HERE AGAIN. lift it up from the side where the usb n hdmi ports are placed on the other side there are three flex cable which may get damaged if you try to lift up from that side.
STEP 6 - slightly lift up the board n remove the flex cables below it on the other side.
two flex cable are easy to remove. the third one is of a different kind and difficult to remove! be careful!
STEP 7 - remove the motherboard and remove the thin heat sink like thing on the backside of the board
STEP 8 - Cover the board with foil paper except where the Qualcomm MDM 6200 modem chip is situated ( CHECK IFIXIT)
STEP 9 - Heat the board for about 1 min or till the time you feel u have sufficiently given the heat to slightly melt the soldering points
DO THIS ON BOTH SIDE OF THE CHIP
STEP 10 - let it cool down in fixed position. after it cools down place all the parts back properly n restart your phone.
:victory:YOUR PHONE SHOULD START WITHOUT ANY ISSUE. CONGRATS!
Use "automatic unlock 4.2" if you have lost unlocked bootloader or Bricked the phone
search how to use automatic unlock 4.2 on the forum (all links are dead I will attach the zip)

https://www.youtube.com/watch?v=yK6p1jyUCtY

Related

Here's the Shift disassembly guide

So I has some free time and the shift was laying around...
Anyway let's get down to business.
The first part of the guide will cover the basic disassembly tips you maybe need in order to open up the casing and maybe upgrade something.
You will need a T6 screwdriver. That's all..but if you want to disassemble the display you will also need a T5.
1 Start by removing the battery, stylus, any card, sim or whatever is attached onto your device.
2 The shift's screws location is shown here.
3 You will need to remove the 3 rubber caps in order to expose the upper screws. First I thought the middle one is a connector to an external antenna. Nope, it's a screw hole.
4 After you're done with the screws you will need to remove the keyboard in order to have acces to another screw underneath it. I've found out that removing the keyboard is a bit tricky. There are no screws holding it, you simply must pull it off. Carefull not to bend it too much and begin with the upper part.
5. Underneath the keyboard you will have to remove this screw and the ribbon like cable that connects the keyboard. In order to do this, pull upwards the white blocker (shown with the green arrow) then pull off the ribbon cable (red arrow).
6. Next comes the first ugly part. You should remove the back cover on your shift in order to expose it's motherboard. Begin by placing your fingernail on the right bottom corner (or the left - you choose) and go along all the cassing in order to separate the 2 pieces of casing. You may hear a lot of ugly noises, cracks and so on... it's pretty normal, just don't abuse the casing too much. By the way, keep the shift in "laptop" mode while you do this.
7. After you remove the back cover you should see something like this.
Carefull with the hard disk. There aren't any screws fixing it to the motherboard. It's simply ...placed there, the back cover will fix it back to it's position. Don't tilt the device or the hard disk may fall and could damage the connector cable (orange ribbon). Around the hard drive you may see a black rubber insertion that protects it from certain shocks.
I've heard some of you guys asking about the dimensions inside and the possibility to replace this hard drive with another one, more thicker. THERE IS SPACE INSIDE TO DO THAT.
The silver corner and the whole sides of the rubber casing is about 2-3 mm thick in the upper portion and just about the same underneath the hard disk. It's kind of soft thus you may insert a larger hard drive without problems.
(Someone asked about a 2.5 drive replacement into the shift -- NO way dude)
8 Next you will need to remove the aluminium radiator and the fan.
You have to remove the following screws:
Note that the far right screw is somewhere deeper and you may need to move the hard-drive a little to get acces to it.
9 After you remove the aluminium heatsync you should see something like this. If you want to remove the motherboard from the chassis you should also remove the marked screw.
You may remove the ram board but carefull. It seems pretty stuck in there you will need to use some force. Here's a photo with mine removed. The metallic piece in the lower part of the picture is the card reader's casing. The card reader is made by Panasonic.
In order to remove the card reader first unscrew it (it's the last screw i was talking about 2 pictures ago). There is a ribbon connecting it to the mainboard.
here is the card reader removed:
and here is it's ribbon connector:
Here is the GPS antenna. YEP it is here. I've seen simillar antennas on bluetooth GPS mouses. This one is properly connected and seems to be powered. HTC had some GPS in mind when it designed the Shift.
10 In order to continue the disassembly you must remove 2 screws located somewhere around this area. They are under the ribbon cable connecting the hard drive to the motherboard.
Be carefull around that area. The shift's motherboard is made of 2 pieces, apparently one for the x86 side (intel processor, GMA950 video, card reader etc) and another for the WM side. The 2 parts are linked via a connector that is secured by those 2 screws. YOU WILL NEED TO BE CAREFULL WHEN REASSEMBLING THE SHIFT. IF THAT CONNECTOR ISN'T ATTACHED PROPERLY YOU'RE IN FOR A LOT OF TROUBLE AHEAD (had mine... trust me).
Here are various components.
RED - Display side connector. This is the only connector linking the 2 sides.
BLUE - Keyboard connector.
GREEN - underneath that area lies the connector that links the 2 parts of the motherboard.
YELLOW - those cables go to the wireless antenna.
Here is the Shift's internal microphone. Like I've said, i didn't know it had one.
The mic is linked to the generic "WM side" of the motherboard. Actually it isn't that simple like wm side - x86 side but as I can see these 2 parts seem to be pretty well diferenciated. One side - x86 - heatsyncs, ram, hard drive... another side - WM, aluminium caps soldered over the chips (like in most phones) microphone, gsm/gps antenna. The WLAN module is also located there.
11 If you remove the motherboard you should see something like this. The arrow marks the position of the antenna block (like the one shown in the FCC pictures).
If you want to remove the display part from the rest of the body you have to remove these screws:
2 more of these are located on the left side. Also remove them. Then the display should come out easily. Carefull not to damage the ribbon connector.
.
12 If you want to dissasemble the display you have to remove the screws from it's back plate. It should also come out easily. You should see something like this:
The hinges that enable your display to tilt are located inside the display block. Here's a photo with one of them :
now some tips about how to do this process if you want to upgrade the shift.
BE CAREFULL. The Shift's motherboard seems pretty delicate. If you want to mess with the hard drive, first disconnect the cable from the HDD's end, then from the motherboard.
If you want to remove the RAM board, pull it off by using 2 fingers, 1 for each side. You will find that the module is firmly attached and woun't come out easily.
I don't recomand you remove or try to mess with that silver foil over the display's back (one of the last pictures). There's a jungle of connectors and wires underneath it and they are cought between 2 layers of that stuff. They can be easily damaged.
When reassembling the shift first start by connecting the small ribbon from the microfone to the motheboard, then connect the display's cable. You will find it more easily to maneuvre if the display is at halfway distance from the main body. Then connect the 2 screws that secure the connector between the 2 portions of the motherboard. ONCE AGAIN, CAREFULL TO HAVE THESE 2 SCREWS FIRMLY ATTACHED. In my first try, the connection wasn't good so when i powered on the shift, it started to make some scarry stuff with it's leds and display. No harm been done but it was pretty scarry. You may then reattach the rest of the screws in backwards order.
If you will want only to upgrade the HDD just stop at "removing the back cover" part. There's nothing more you need to do, you don't need to remove the motherboard and there's pretty much no risks involved. Just be carefull with the ribbon linking the HDD to the motherboard.
I heard some advices about some serials on the chips and such data. Yep, I did photos of these things too. I'll attach them also, tomorrow after I organise my list of findings and notes that I've made with those. I'll post them by category. However I didn't find much, most chips are imposible to read because of the faded markings and other ones are covered by aluminium caps that are soldered over them. The shift looks like a large phone.
Please ask questions if you have. I'll try to help and be specific on those topics.
Bravo!! Good job!!! Can't wait to see the remaining! Now we need someone to try upgrading the HHD. This is getting more interesting!
Excellent, thanks for sharing your findings.
Really good job, man!
Really good job! Thank you for this "step-by-step" guide!
now time to enable the microphone, enable the phone, and look like a complete idiot when u try to hold this thing up to your ear
now u pretty much proved a few things. this thing is pretty much a fully functional wm device. you also shower we were right all along the gps is very very possible for this device. i need to get ltxda one of the gps tools and have him post a lock so you can all see some gps action
Ok people, I'm willing to order a larger HD and even more RAM. I'm going to contact some of my sources on Monday or Tuesday. Any help you guys can provide would be great.
EDIT: Great job on the how-to here!!!
Pawel062 said:
now time to enable the microphone, enable the phone, and look like a complete idiot when u try to hold this thing up to your ear
now u pretty much proved a few things. this thing is pretty much a fully functional wm device. you also shower we were right all along the gps is very very possible for this device. i need to get ltxda one of the gps tools and have him post a lock so you can all see some gps action
Click to expand...
Click to collapse
Let's try this on Sunday afternoon bro if you're availabe. I also have a tool that i'm going to try to run, if the family allows, and provide results. Get with me sometime after 3pm. I'm headed to bed now...nite all.
Can you give some information about touchscreen model or manufactur???
I must first study how the protective silver film is attacked on the back of the display. from the fcc photos it seems there are a lot of ribbon connectors between it's twin layers. first time i've dissasembled shift i didn't have enought guts to rip that film in order to expose the internal components. Some connectors in that area caused me a lot of problems (shift's display didn't light up at all or the led's started to go crazy). I'll investigate the problem and there will be a second shift disassembly session in which time i wish to upgrade the hdd also.
So, where might we solder our 32GB SD card to the WM side?
Great job!
Keyboard
Hello,
I tried to pull out the KEyboard by it doesn't work.
What is the Secret to get it out ?
i've sent you an email.
facdemol said:
i've sent you an email.
Click to expand...
Click to collapse
Thanks for the Email, I'll try it on Monday and let you know if it work.
Andi
Possible Mistake If You Choose A 2,5 Hhd For Shift Original Hdd.
facdemol said:
I've heard some of you guys asking about the dimensions inside and the possibility to replace this hard drive with another one, more thicker. THERE IS SPACE INSIDE TO DO THAT.
(Someone asked about a 2.5 drive replacement into the shift -- NO way dude)
Click to expand...
Click to collapse
Thanks to everybody for the help to dissasenble.
Im sorry, It´s clear is not possible.
I'd attach a Picture of my shift with a 1.8 + 2,5" hdd.
---------------------------- -----------------------------
Please, don´t buy ANY HDD 2,5" Noone will fit in.
Is necesary a 1.8" HDD AND the conector of the HDD MUST BE a kind of ZIF connector. (They Called "LIF")
(Neither there are COMPATIBILITY with IDE/ATA/SATA connectors. You will need a ATA 7 conector!!!)
I found this kind HDDs in 80, 100 and 120 GB capacity, easy to buy ad least in Spain.
For Myself I'd ordered a Toshiba-MK1214GAH (120GB), where I Plan to Install a Personal Ed. XP + Vista in a second partition.
Armas.

Disassembly of Legend (advises & some help required)

Hi there,
I broke my touch screen and tried to replace it by myself.
To make a long story short, I failed miserably (I broke the screen under).
However, I learned a few things I didn't met in the forum.
A- Disassembly of the case.
1- The Legend is glued. So, you have first to use hoven to melt the glue before being able to do anything useful.
15min/ 60 degree in the oven. Or use an hair dryer (I used the former).
2- Don't forget to remove ALL the screws (even the one behind the IMEI notice).
3- Don't try to open the camera lid before loosening the glue or you'll damage the aluminium body.
4- You have to unplug all the différent cables, so take notes to remember where all of them goes.
5- You must disassemble all the boards. There are 2 boards. One supporting the sim / SD connector, and one supporting the screen/touchscreen.
6- When disassembling the screen board, remove it by pulling the touchscreen at the bottom, and lift it up. don't pass a tool on the sides to remove it or worse, under the touchscreen, you'r tool will touch the screen under and break it (like I did). The screen is very, very fragile
Now, I'm stuck here because I can't remove the connector of the legent which is passed under the shield on the back of the screen.
I'm not able to remove the screen so I would like to know how to remove this shielding or get back the touchscreen connector to be able to replace it.
Once I figure out how to remove this shiled, I may be able to remove the screen too.
But now, I'm clueless (it was 2 in the morning when I gave up).
Maybe, some of you knew the trick to open this phone further.
I'd like to hear about it.
A little up to my post for the ones who did not read it till the end:
I can't remove the connector of the legend which is goind under the shield on the back of the screen.
I would like to know how to remove this shielding or get back the touchscreen connector to be able to replace it.
Once I figure out how to remove this shield, I may be able to remove the screen too.
But now, I'm clueless (it was 2 in the morning when I gave up).
mate it sounds like you have trashed your phone.they are built NOT to be taken apart.They require special tools and process to be repaired. The only thing i would suggest is contacting your insurance company and let them know that your phone was crushed under a car or something and then crush it under the car and you can get it replaced. If you dont have insurance, take some out and make a claim in say a month or two.
Its not an honest thing to do but your phone sounds busted and its the cheapest way of replacing that handset.
Post a pic of it if you can
Unfortunately, I have no rights to post a link or some put some pics.
Something about spam and profile that should be reviewed before being able show any pics.
This device is glued. No specialized tools are able to open it without removing it.
That would mean that the phone cannot be repaired, only replaced. My phone's motherboard was replaced, so at the service stations they should have special tools.
Fixed it!
Bottom right hand corner:
Bend the shielding back just enough to allow you to slip the connector in & then use a little glue to stick it back.
Maybe I was lucky, but my phones working as good as new again
I fixed my Legend
Guys, I know it's been a while since you talked but in case someone else is looking for this info, that's what happened to me:
I cracked the display of my legend and purchased a new one on eBay (roughly 40 pounds) - obviously delivered from Hong Kong but a genuine Samsung (in case you didn't know the Legen's screen as well as most of the AMOLED screens are Samsung's).
Then I used the above information plus some YouTube videos to give myself an idea as to what should I do. The result follows:
I used a hair dryer to heat up the back of the phone (camera and loudspeaker cover). Perhaps I should have been more patient as in the end I decided to use a knife with a very thin blade to lift it and I scratched the plastic and the aluminium body a bit. Anyways - the back clicks in but is glued in addition to that so you have to use both the heat and gently applied force.
Once you remove the back cover (which took me the longest out of everything) you should start removing screws. There's two behind the back cover and six behind the bottom cover (where the battery is). At this stage you don't have to remove all the screws - the bottom two, the one behind the IMEI and the one under the VOID sticker hold the main board but the two screws sitting deeper inside the phone's body hold the front buttons so you may leave them for now.
Now comes the trickiest part so read carefully: the main board is held inside the unibody by the screws (which we already removed), but is also glued right below the camera lens and along the sides. You should probably heat it up as much as you can and for a long time. I decided to do it the hard way. My dislplay was already cracked and it's the most delicate part of the phone so I said "whatever" and used the same knife as before - moved it alongside the screen (pushed it in gently from the front) until there was no resistance (the glue let go). Then I pushed and I heated the thing up and pushed and tried from every angle until finally the board slid out of the unibody. I hope you'll find it easier then I did as it seems that everyone describing it found it quite doable.
Now everything becomes easy-peasy. Remove the remaining screws to put the buttons aside (you'll have both the actul buttons and the tiny board with sensors - the latter sticks to the screen but once you remove the connectors, yu can take it off too). All the connectors are quite easy to remove if you hav a needle or something (just pull them out gently). I didn't worry about noting which is which as ther is practically no way you can mix them up - they're very different.
The rubbery plastic black surrounding of the board clicks in, so once you find the right spots you can lift them gently and take the thing off. You'll be left with the display covered by the shielding from the top and a thin metal board from the bottom. You have to remove two more screws to disconnect the main display plug.
And the final bit (that's where the thread's author had a problem I believe). My display was cracked but the shielding - fine. These two are glued together so I had to find some space for my finger nail and lift the shield. By slowly and gently pulling it apart I detached one from the other - and had to do the same thing with the metal board. Don't forget there's some extra stuff to remove from the back of the display - they're all glued but the glue will remain fresh enough for you to glue them again - this time to the new screen. The same applies to the front shield. I hope you won't let any dust sit on it in the meantime. You should have a screen protector on your new display if you bought it like I did. Remove it now and the display will be happy to stick to the old front shield just as if it was always there. The metal back will also fit in.
Now you can go through the above process backwards - just remember to connect all the connectors.
What I didn't do: I didn't use ANY glue putting the phone back together. As an effect the front shield is sticking out a bit (doesn't sit in the unibody tightly). It doesn't affect the phone itself but it gives you the funny feeling that something isn't 100% right. But I prefer that than screwing something up with a misuse of glue (glue can be disobedient).
The most important piece of information: the phone is working 100% correctly as if it was never disassembled by an amateur. Apart from two scatches on the back, the VOID sticker missing, the front sticking out slightly (less than a mm) and the missing battery slider (which I forgot to put back in and didn't bother to repeat the whole process for the sake of it) - there is nothing wrong with the phone. So if you ever crack you ever crack your Legend's screen - you can try fixing it yourself if you have the courage.
I would like to see some photos too But I'm never gonna take my phone apart - can't see the point
Foto's
Nice thread, i myself am wondering, if a better gsm antenna can be fixed inside the phone. and connect them to the 2 connections.
Do you have any pictures of the inside housing etc?

HTC Legend Screen (Digitizor) Replacement

I have looked high and low for Legend disassembly instructions in order to replace my screen (Digitizer) I finally found instructions on how to disassemble the HTC Legend and replace the screen thanks to allerien's post in the XDA forums 11th March 2011, 07:17 PM. There are no YouTube videos yet that I know of that actually show u how to remove and replace the screen so this is a step by step guide tat will help alot of user's including me.
Thanks Allerien
--------------------------------------------------------------------------------
I fixed my Legend
I cracked the display of my legend and purchased a new one on eBay (roughly 40 pounds) - obviously delivered from Hong Kong but a genuine Samsung (in case you didn't know the Legen's screen as well as most of the AMOLED screens are Samsung's).
Then I used the above information plus some YouTube videos to give myself an idea as to what should I do. The result follows:
I used a hair dryer to heat up the back of the phone (camera and loudspeaker cover). Perhaps I should have been more patient as in the end I decided to use a knife with a very thin blade to lift it and I scratched the plastic and the aluminium body a bit. Anyways - the back clicks in but is glued in addition to that so you have to use both the heat and gently applied force.
Once you remove the back cover (which took me the longest out of everything) you should start removing screws. There's two behind the back cover and six behind the bottom cover (where the battery is). At this stage you don't have to remove all the screws - the bottom two, the one behind the IMEI and the one under the VOID sticker hold the main board but the two screws sitting deeper inside the phone's body hold the front buttons so you may leave them for now.
Now comes the trickiest part so read carefully: the main board is held inside the unibody by the screws (which we already removed), but is also glued right below the camera lens and along the sides. You should probably heat it up as much as you can and for a long time. I decided to do it the hard way. My dislplay was already cracked and it's the most delicate part of the phone so I said "whatever" and used the same knife as before - moved it alongside the screen (pushed it in gently from the front) until there was no resistance (the glue let go). Then I pushed and I heated the thing up and pushed and tried from every angle until finally the board slid out of the unibody. I hope you'll find it easier then I did as it seems that everyone describing it found it quite doable.
Now everything becomes easy-peasy. Remove the remaining screws to put the buttons aside (you'll have both the actul buttons and the tiny board with sensors - the latter sticks to the screen but once you remove the connectors, yu can take it off too). All the connectors are quite easy to remove if you hav a needle or something (just pull them out gently). I didn't worry about noting which is which as ther is practically no way you can mix them up - they're very different.
The rubbery plastic black surrounding of the board clicks in, so once you find the right spots you can lift them gently and take the thing off. You'll be left with the display covered by the shielding from the top and a thin metal board from the bottom. You have to remove two more screws to disconnect the main display plug.
And the final bit (that's where the thread's author had a problem I believe). My display was cracked but the shielding - fine. These two are glued together so I had to find some space for my finger nail and lift the shield. By slowly and gently pulling it apart I detached one from the other - and had to do the same thing with the metal board. Don't forget there's some extra stuff to remove from the back of the display - they're all glued but the glue will remain fresh enough for you to glue them again - this time to the new screen. The same applies to the front shield. I hope you won't let any dust sit on it in the meantime. You should have a screen protector on your new display if you bought it like I did. Remove it now and the display will be happy to stick to the old front shield just as if it was always there. The metal back will also fit in.
Now you can go through the above process backwards - just remember to connect all the connectors.
What I didn't do: I didn't use ANY glue putting the phone back together. As an effect the front shield is sticking out a bit (doesn't sit in the unibody tightly). It doesn't affect the phone itself but it gives you the funny feeling that something isn't 100% right. But I prefer that than screwing something up with a misuse of glue (glue can be disobedient).
The most important piece of information: the phone is working 100% correctly as if it was never disassembled by an amateur. Apart from two scatches on the back, the VOID sticker missing, the front sticking out slightly (less than a mm) and the missing battery slider (which I forgot to put back in and didn't bother to repeat the whole process for the sake of it) - there is nothing wrong with the phone. So if you ever crack you ever crack your Legend's screen - you can try fixing it yourself if you have the courage.
Isn't it possible to just exchange the glass along with with the digitizer? I myself need to replace the digitizer, because mine went quite unusable after an accident with water..
Either way this was a nice guide which i will make use of!
great info my legend has only a broken digitizer so i will be replacing that soon

EVO 4G Extreme Repair

I'd like to see this thread expand, to show other "How To's for Hard Repairs", beyond the current state of, screen & touch pad (module) replacement, that most of us, already can do, or have seen.
This is intended for those that are capable of using a soldering station, and the other tools necessary, to do physical repairs, on the Logic board. It is Other wise intended for educational purpose only, and should not be attempted by the novice user.
(This is not for those with a 40w Ratshack soldering iron & a little nerve. You need a good temperature controlled station, &, a very fine tip.)
Please understand, every one of these I've seen for repair, has been a little bit different as to the actual repairs needed to restore it to operation.
So this is a guide, not a master repair plan for all.
[size=+2]USB Repair​[/size]
I've come across several units, &, threads where the units, where the USB port, has come loose, or, broken away, from the main logic board.
Not ascribing blame, but, this is generally the result of the phones falling, with the USB cable attached, or, customer impatiens, when installing the cable tip.
The result of this, leaves the unit incapable of charging, or, transferring data, to the phone, though the phone may remain otherwise fully functional.
In most cases the original USB socket can be reusable, other times you'll need to find a suitable replacement. The original drawing number is, "L1037", though the MFG name remains unknown at this time.
But, either way, care must be taken to repair, the unseen damage that results, most of us would miss. The EVO 4G for example, uses a multi-layered circuit board, and part of the surface ground plane is dislodged, when the sock breaks loose. (See Photo)
Picture 1: Shows an actual EVO 4G, with the socket broken away from the board, with my notes added.
Picture 2: Is of the typical USB-B socket, with pin out (to show pin functions).
First, I've no idea what HTC used for solder, to secure parts, to their boards. But, I can tell you, it's very very, harder to work with, and therefore needs to be removed.
The traces need to be reconditioned, before the socket can be re-installing.
I did this by adding 2% silver solder, to the traces, and then removing it again, with Chemwick. Using extreme care, not to over heat the traces, causing them to become lifted from the board (if this happens, your done, there's no further repair possible).
Once the traces and ground points are clean, you need expand the ground points (inward), using an Exacto Knife. Also clean the old solder from the ground pad connections, and add just enough new solder, to clean & bead them up slightly (explained later).
Why do you need to expand the ground points? As you can see in photo 2, a small piece of the ground plane, was ripped away from the board, when the socket broke loose. Being a multi layered board, you can see several small silver spots, remain exposed on the board under where this copper was removed.
These are ground points, which need to be re-established. They are just as important, as the ports connections themselves, for maintain proper operation.
I added a small amount of solder to these points, to get them to bead up, above the board level, with a little smear of solder paste, and luck ( and a good cleaner to remove the solder paste once complete). At the same time, I added solder to "tin" the newly expose expanded copper ground points, I'd earlier made (before removing the solder paste).
I took a small piece of "used" piece of Chemwick, and, trimmed it to size to reach the newly scraped ground area. Added a little more solder, to where it was well saturated.
Then tacked the chemwick, first to the outer edges, then worked inward, to grab the beads.
Next prep the old socket.
You need to remove the old copper trace, from the bottom, &, re-tin that area, so it too, will beads a little. Also, because of the OEM solder, it's a good idea, re-tin the leads as well, again bead a little solder.
Now, your ready to actually reinstall the port. Notice that You have very little room to work with, so, care and good vision are a must. The technique your using is called "Reflow Soldering", you hit each lead quickly (on/off, like a bunny), but, you need to insure you've made a good joint.
The Leads:
You have both the "Pads & Leads", tinned & beaded, with solder. I'd suggest doing the leads first, then come back for the ground points, &, tabs last.
I would work form Pin 5 to 1. Where Pin 1, will be the hardest, because, it's pad is more massive, as it is all Ground plane (more, or, longer heat is needed here). Examine your work after, and, make sure the leads are solid.
The socket base:
I would then clip a small set of Hemostats, to the socket and the bottom of the board. Then heat the socket base up, until the Chemwick (installed earlier) compresses slightly. Do not get the soldering tip so far in, as to allow damage the sockets connections. And, once done "do not remove the Hemostats" until the socket is cooled.
The Tabs:
The Tabs are all that's left to solder, flow the solder evenly, to make a strong joint. Your bound to do better than HTC did here, which allowed the damage to occur. I would also consider flipping the board over, and flowing solder into the plated through hole while the iron and tabs are still hot.
There you have it, reassemble the unit, and, it all went well, you should again be able to charge your battery, and transfer data to your EVO 4G.
Like I've said, I'd like to see more detailed extreme repairs, appear following this post, not so much comments.
Use the thanks button if you find this post useful.
If I could find the actual parts, or, part number for reference. I'd also be willing to show how to replace the damaged LCD & Digitizer sockets. I have 3 units currently in this condition, where module replacement went badly.
IMnobody
If you add pictures to your process, you will get a lot more thanks. Overall a decent how-to.

			
				
hard to follow. yeah some pics would be nice

[UPDATE]Help with small hardware hd2 fixes

Check latest post for latest info!
Ignore post #2 since it's the answer to my past question.
I'm owner of HD2 EU, i got my screen broken.
I gave phone so that it would be repaired > after it was repaired flew away to other country.
Anyway few things don't work after they have changed the screen:
1) WIFI signal is really really low(need to hold phone ~10sm close to other phone/router in order to receive signal
2) GPS is not working(checked both android/wp7 with various tweaks(f.e. gps.conf/roms....)
3) Volume- button is not working(it was working, but it broke few weeks after the screen was changed), mb there's a way to just remove the volume rocker and click the buttons with something else f.e. small pencil or smth, since i'll need those buttons only when i rewrite software, atm i can't do that due to not working volume- button)
4) 5main buttons(call/home/win key/back/call drop) are "recessed"(hopefully google translated it the right way - incase it didn't: i mean they are slightly badly positioned: towards the one side(left) they're positioned fine, towards the right side they're slightly too deep into the screen).
Can i fix any of these issues at home myself and any thoughts what exactly needs to be checked/possibly/for sure replaced?
Fixing this phone by a repair man would cost way too much, i'd rather change the phone, anyway fully working hd2 = i'm really happy.
Between i checked tutorials on disassembly(f.e. pocketno*.***/hardware-1/official-htc-hd2-disassembly-assembly-training-videos-leaked ) - everything seems fine, but the thing is, that it shows full disassemply of all parts, not sure exactly what i need to do for checking f.e. the wifi/gps cable only.
Edited:
There are 2 brass clips on the top right of the motherboard which attach to the rear case antenna. Make sure these brass clips are correctly functioning and working. There are 2 for the gps at top left big ones from memory then there are 2 at bottom for radio antenna and two at top right for wifi.
Click to expand...
Click to collapse
That's what i found from a topic of guy with similar story and wifi not working - guys adviced to check these parts. Is it hard to reach em? Also what can be used instead of "flange plastic stick" and also what can be used a screw driver of those special hd2 screws?
Current thoughts:
Solutions:
1) WIFI - i bet the cable is not fully connected, just slightly so it results in low electric signal = low wifi signal received by motherboard. I saw where those 2 connectors go and seems easy to reach that spot
2) GPS - the cable is not connected at all, i saw one of 2 places where the connector goes, one on motherboard top, and 2nd - i don't know?
3) Not sure if can be fixed, mb replacement part is required, not sure about idea with pen or smth like that.
4) Seems easy to be fixed, anyway it seems also that it's the hardest place to be reached, since i need to disassemply the motherboard fully, mb any though of how to do this faster?
Extra: what if i'll use blunt table knife instead of "flange plastic stick"?
Edit2: forgot to mention, when i click the volume- button - i can't feel any click(as there should be).
Without the volume down rocker/having winmo installed, you can't get into the boot loader, and without being able to get into the boot loader, there is no way to flash a radio (or even anything else ).
Sent from my HTC HD2 using XDA Premium App
eXtremeLT said:
That's what i found from a topic of guy with similar story and wifi not working - guys adviced to check these parts. Is it hard to reach em? Also what can be used instead of "flange plastic stick" and also what can be used a screw driver of those special hd2 screws?
Click to expand...
Click to collapse
No, its not hard to reach them. You can use a guitare plectrum http://www.amazon.com/Planet-Waves-...503326&sr=8-1-spell&keywords=guitare+plectrum instead of "flange plastic stick".
For HD2 screws you need a torx screwdriver T5.
eXtremeLT said:
Current thoughts:
Solutions:
1) WIFI - i bet the cable is not fully connected, just slightly so it results in low electric signal = low wifi signal received by motherboard. I saw where those 2 connectors go and seems easy to reach that spot
2) GPS - the cable is not connected at all, i saw one of 2 places where the connector goes, one on motherboard top, and 2nd - i don't know?
Click to expand...
Click to collapse
The second one goes on the little GPS board.
eXtremeLT said:
what if i'll use blunt table knife instead of "flange plastic stick"?
Click to expand...
Click to collapse
You will have a few scratch in backcover. I would only use plastic parts to open the phone.
eXtremeLT said:
Edit2: forgot to mention, when i click the volume- button - i can't feel any click(as there should be).
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?p=28796701#post28796701
Wohoo! Fixed the volume- button myself, adjusted that little metal part in the spot where the volume- presses.
Anyway:
The black cable(pretty small compared to white1) i think so it's wifi/bluetooth - is ruined. One part of it is fine, but the other1 hasn't got the connector to the board, it's just tearn off(by awesome people who changed my screen). So i'll try to buy a new cable > change it > hopefully wifi will work(btw when the cable is fully disconnected, it works with that small ~10sm distance).
GPS(i guess it's the white cable):
the one side of the cable(on top of the gps antenna board) is connected fully, anyway i can't access the second end of the cable(on the backside of motherboard. Any suggestions of how to do that? I know how to do that with all phone disassembly, anyway maby some parts can be skipped?
UPDATE:
I've done something to my camera, after i fixed volume button, and removed the black cable(since it wasn't connected) - my camera is not working on any roms, camera apps just crash>quit, what cable/part do i need to check? :S i haven't disconnected any wires, only unscrewed first 4 screws near the battery > removed the backpart of the phone to access wires > removed black wire > fixed volume button :S
UPDATE2:
Disassembled and reassembled the phone - at magically the camera works I don't know what was the problem :S

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