(Topic ID: 231746)

Fix your own Cellphone Screen or Battery - Vid's Guide


By vid1900

4 months ago



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  • 58 posts
  • 21 Pinsiders participating
  • Latest reply 3 months ago by Toasterdog
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    There are 58 posts in this topic. You are on page 1 of 2.
    #1 4 months ago

    The bigger the screen on your phone or tablet, the more likely it is to break.

    The bigger the screen on your phone or tablet, the more expensive it was to buy.

    The more expensive the phone, the more likely you will keep using it, even if it's very broken.

    -

    Lucky for us, cellphones, tablets, and MP3 players are all assembled by very low skilled workers.

    We, being pinball techs, are rather highly skilled repair men.

    Often the manufacturer says that the screens are unreplaceable or that the battery is unserviceable or even that the water resistance will be ruined.

    If you find a "cellphone medic" store, they will gladly charge you $300 for a screen and $150 for a new battery.

    If you have been putting up with a broken screen or a battery that no longer last even a single day.....read on.

    1 (resized).jpg

    ^ And yes, this phone still works, but probably does not have very good water resistance ^

    #2 4 months ago

    Sweet. I got an iPhone 6. Battery is terrible. I'm all ears.

    #3 4 months ago

    Before you start, power down the phone. Remove the SIM Card & MicroSD Card - just to be safe.

    Most modern phones and tablets are just glued together with double sided tape.

    Often its 3M 300LSE - yep the same adhesive used on those playfield Hardtops.

    We need heat to soften the glue up so we can get inside.

    Here I'm using a Hot Air Wand used for SMD, but you can even use a hair dryer. I set the wand for 100*C. You don't want it too hot, keep the heat moving along the outside edge.

    Also note how I've put packing tape over all the broken glass - much safer than loose glass shards cutting me. You should wear safety goggles.

    2 (resized).jpg

    #4 4 months ago

    Once the glass is a little too hot to touch, start running a flexible blade along the bottom edge.

    If the blade is not sliding under, give it some more heat.

    3 (resized).jpg
    #5 4 months ago

    Here I've wedged a credit card and some guitar picks to keep the screen from getting re-adhered to the frame again.

    I'm heating, and working along the edge, until the entire screen is free of the frame.
    4 (resized).jpg

    The broken glass is sharp and brittle (you know that Gorilla Glass III quality), so take your time.

    #6 4 months ago

    Once I got the whole screen free, I used a little heat and poked the finger print reader back through the glass.

    Shes almost done.

    5 (resized).jpg
    #7 4 months ago

    Most screens have 2 connectors.

    One for the LCD and one for the Digitizer that reads where your fingers are touching.

    GENTLY lift these from their sockets, and the screen is completely free of the frame.

    6 (resized).jpg

    #8 4 months ago

    "Cellphone Rescue" told my niece that it cost $230 to replace her screen & that she should also get the battery replaced "while they were in there" for an extra $100.

    I'm not joking, a brand new screen and digitizer combo was $19 shipped to my door.

    (never order just the Digitizer or just the LCD Screen - I've tried taking them apart and it's almost impossible. For $19 for the combo unit, your time is worth more than a hour of dicking around (there is an exception to this general rule in post #39 below))

    A new battery would have been $9 shipped to my door, but her phone was only 2 months old - way too soon to need a battery. I put a picture of the battery so you guys know what a "non replaceable battery" looks like when you order a replacement.
    7 (resized).jpg8 (resized).jpgs-l640 (resized).jpg

    #9 4 months ago

    Before we go any further, we need to test the replacement Screen and Digitizer.

    You don't want to glue it together and find you have dead pixels or the touch does not work.

    Plug in the 2 connectors and power up the phone.

    If it all works, power it down and disconnect the connectors.
    9 (resized).jpg

    #10 4 months ago

    V

    #11 4 months ago

    Put a piece of tape over the 2 connectors, so you don't get glue crumbs in them.

    Then roll the rope of adhesive over itself, making a ball of glue.

    Keep rolling until you have all the glue off the frame.

    Use a razor if any glue is stuck in the corners.

    14 (resized).jpg
    #12 4 months ago

    There are 2 ways to glue the screen back on.

    1. Get a sheet of die-cut adhesive made for your specific phone ($4 if it does not come with your replacement screen).

    This is the easiest way.

    12 (resized).jpg

    2. If you have an unpopular phone (or a tablet), you might not find a die-cut sheet available.

    In that case we use a roll of 3M 300LSE double sided tape. It comes in different widths, this is 2mm - good for most phones.

    $6 for 50 yards of the stuff - enough for dozens of repairs.

    11 (resized).jpg
    #13 4 months ago

    You want the adhesive to be only a single layer thick.

    Go along the outside of the frame.

    Make sure the ends of the glue touch, so you keep your water resistance.

    It's easier to put the adhesive for the fingerprint reader on the screen, than it is to put it on the reader itself.

    10 (resized).jpg
    #14 4 months ago

    Putting the screen in is easy.

    Attach the 2 connectors

    Attach the fingerprint reader (if present on your phone).

    CAREFULLY center the screen, and GENTLY press it back into the frame.

    Using a soft cloth, gently go along the edge to make sure the screen is fully seated.

    Some phone repair guys warm the screen with a hair dryer as they press it down. The glue is crazy sticky already, but it probably can't hurt.

    13 (resized).jpg

    #15 4 months ago

    Power her back up and admire your savings $$$$$

    15 (resized).jpg
    #16 4 months ago

    Every device is a little different, but everything made in the last few years is pretty much as above.

    You will notice that everything is modular (good for unskilled workers).

    If the finger print reader was broken (try reseating the connector first), you can buy a new one for $11.

    If the power button was broken, the control cluster is $9.

    The entire rear camera module is $26

    There really is nothing you won't be able to fix, unless you kill the processor board itself.

    #17 4 months ago

    If you like getting into all these devices, there is a kit of tools that makes life easy.

    At the Frys near my house, these go on sale for $39 every now and then.

    Lifetime warranty, if a tool wears out or breaks, they send you another without a hassle.

    1x (resized).jpg

    and it has every micro driver bit for all those strange Asian fasteners.

    No more stripping out heads by using a bit that you though was "close enough"

    Nice anodized driver handle and flex shaft.

    ddd1x (resized).jpg

    https://www.ifixit.com/Store/Tools/Pro-Tech-Toolkit/IF145-307

    #18 4 months ago

    Solid thread Vid!
    Where do you order your replacement parts from?

    #19 4 months ago

    Wait you don’t have to do that thing where you lay down a layer of clear glue across the whole thing? That’s what I remember seeing, it looked like a real pain. This looks a lot easier to do. I’ve got an older phone with a cracked screen, need to give this a shot.

    #20 4 months ago
    Quoted from Cam:

    Where do you order your replacement parts from?

    That time I got the screen from Ebay.

    You can get parts from Amazon & IFIXIT too

    Sometimes you see that a Samsung, Moto or Apple Tracfone is on clearance for $20 at the local CVS. Those are really hard to hack/unlock, so you normally are stuck using them on the Tracfone network.

    But, you can buy it and take it apart for the parts - everything is useable except the processor board (that's locked to Tracfone)

    #21 4 months ago
    Quoted from xsvtoys:

    Wait you don’t have to do that thing where you lay down a layer of clear glue across the whole thing?

    No, that's where you glue a new Digitizer to the top of the LCD display.

    Don't do that, it takes so long to get the old ones apart that you will be instantly sorry you did not spend the $20 for the entire screen/digitizer combo.

    Trust me on this.

    #22 4 months ago
    Quoted from vid1900:

    never order just the Digitizer or just the LCD Screen - I've tried taking them apart and it's almost impossible.

    One quick caveat to this point. Do your homework first.

    If it’s an older device like an iPad 2 or IPad mini then the digitizer and lcd panel are in fact 2 separate pieces, they can and should be ordered independently. Usually the digitizer is what cracks.

    If it’s a newer device like an iPad Air 2, then the digitizer and lcd screen and glued together. Like vid said, it’s possible to separate them, but without special equipment you’ll never get them back together.

    I’m just waiting for a cable for the power button on my daughters iPad2, then I’ll be cracking it open for the third time to repair it. It’s went through 3 digitizers, 2 batteries a home button, and now the charge port, microphone and power button will be replaced along with another battery. In total the parts this time were less the. $40cdn.

    image (resized).jpg

    #23 4 months ago
    Quoted from Luckydogg420:

    It’s went through 3 digitizers, 2 batteries a home button, and now the charge port, microphone and power button will be replaced along with another battery. In total the parts this time were less the. $40cdn.

    Excellent example of how modular most of these devices are.

    #24 4 months ago
    Quoted from vid1900:

    Excellent example of how modular most of these devices are.

    They’re just tiny pc’s. The parts just plug in.

    If you’ve ever built a desktop pc, then you shouldn’t be intimidated taking a phone apart.

    #25 4 months ago

    Seems like the Galaxy S8 screen & digitizers are more like $150 - $175

    #26 4 months ago

    Thanks Vid! Looks like I can lose this guy’s number now! Though he is a “mobile” service. (That van NEVER moves.)

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    #27 4 months ago
    Quoted from vdojaq:

    Seems like the Galaxy S8 screen & digitizers are more like $150 - $175

    You knew deep down when you bought it that you were going to get raped with any exotic nonsense like curved screens & curved glass backs.

    The phone repair stores put liquid nitrogen ($1.50 a gallon at the welding shop) on the cracked front glass, and that makes it separate from the glue (like removing Mylar). It literally pops right off.

    Then they glue on new $20 curved glass with UV cure glue.

    If your wife won't let you have liquid nitrogen (tell her you are making ice cream with the leftovers), some mom & pop phone repair stores will pop your glass for $40 - then you can do the rest.

    #28 4 months ago

    I really could have used this thread 4 months ago, lol

    But good to know for the next time I drop a cell phone and shatter the screen

    #29 4 months ago

    Or just buy Otterbox cases and never replace a phone screen. 15 years and not one broken screen.

    But good post. I replace all the screens for my friends. Gets annoying telling then to buy a real case, and them not listening.

    #30 4 months ago
    Quoted from kklank:

    Sweet. I got an iPhone 6. Battery is terrible. I'm all ears.

    Apple will replace the iPhone 6 battery for $29. It goes up to $49 on Jan 1

    #31 4 months ago

    Great thread Vid.

    #32 4 months ago

    VID for President !

    #33 4 months ago

    Same technique for iPhone?

    #34 4 months ago
    Quoted from fast_in_muskoka:

    VID for President !

    I'm totally ready.

    Reporter: Isn't it true that you've had sex with over a hundred porn stars???

    Vid: Yes. But remember, I was paid to have sex with them - not the other way around.

    #35 4 months ago
    Quoted from BoJo:

    Same technique for iPhone?

    iPhone 6 is not even glued together - 2 screws on the side of the USB port, and she's open.

    I think 8 is when they started using tape as above (but still remember there are 2 screws at the USB).

    Screens are $15-25

    The good thing about buying a popular phone is that parts are plentiful.

    ....and there are probably Youtube videos of a handsome guy from India showing you how to open the phone.

    #36 4 months ago
    Quoted from kklank:

    Sweet. I got an iPhone 6. Battery is terrible. I'm all ears.

    Through Dec 31, Apple will replace the battery for $29. They said by looking at mine, the battery was swelling and replaced the phone - for $29!

    This was last week.

    #37 4 months ago

    My son has been doing this for years. He has been working at a few Batteries Plus stores. Some of the stores charge pretty reasonable rates, even for retail customers.

    They do charge more for all of the half-ass attempts by DIY'ers who buy the screens and batteries on Amazon and cause damage and then bring in the phone and parts in a Zip-Loc bag..

    Not much longer for him though as he's moving to Nevada soon to be a slot analyst.

    #38 4 months ago
    Quoted from vid1900:

    You knew deep down when you bought it that you were going to get raped with any exotic nonsense like curved screens & curved glass backs.
    The phone repair stores put liquid nitrogen ($1.50 a gallon at the welding shop) on the cracked front glass, and that makes it separate from the glue (like removing Mylar). It literally pops right off.
    Then they glue on new $20 curved glass with UV cure glue.
    If your wife won't let you have liquid nitrogen (tell her you are making ice cream with the leftovers), some mom & pop phone repair stores will pop your glass for $40 - then you can do the rest.

    Vid, now you are contradicting your original post. Are you saying with the S8 just replace the glass and not the digitizer? If that's the case, then yes, just a glass is cheap. Otherwise what is your address? I am sending you my phone and a crisp Ben Franklin and you can fix the damn thing!

    #39 4 months ago
    Quoted from vdojaq:

    Vid, now you are contradicting your original post. Are you saying with the S8 just replace the glass and not the digitizer?

    I'm saying that **normally** you don't want to just buy the digitizer, because the combo is cheaper than your time.

    Of course, there are thousands of models of phones, and yours is a crazy expensive exception.

    Every welding shop sells liquid nitrogen, most grocery stores sell dry ice.

    My brothers are using a super cold freezer to pop the curved glass:

    Quoted from vdojaq:

    Otherwise what is your address? I am sending you my phone and a crisp Ben Franklin and you can fix the damn thing!

    I'm half tempted to do it, just to have the experience that I've repaired the world's most difficult phone; but I've got so many playfields on deck, it would pull me away from my real work.

    If you lived next door we'd probably be doing it right now, and making ice cream with the leftover nitrogen.

    Great show at parties:

    #40 4 months ago
    Quoted from hailrazer:

    Or just buy Otterbox cases and never replace a phone screen.

    My niece has an Otterbox, but of course won't use it.

    "Why would I buy the thinnest phone ever made and hide it inside a brick????" - that's a real quote.

    GUEST_67ccc3f7-e8fe-426c-9c83-382386bdfec5 (resized).jpg
    #41 4 months ago

    Here is the Pioneer XDP music player guts when you break off the headphone jack. So you can see it's built just like a phone.

    It's double sided taped together:

    pionrrt xdpjpg (resized).jpg

    And here is the battery pack under the processor board:

    pioneer xpr (resized).jpg

    Batteries get more power density every year, so it's likely that you can find a higher miliamp hour battery than your original.

    #42 4 months ago
    Quoted from vid1900:

    My niece has an Otterbox, but of course won't use it.
    "Why would I buy the thinnest phone ever made and hide it inside a brick????" - that's a real quote. [quoted image]

    To be fair, it makes sense. Nonetheless if you break it, you have to pay. That said, I have never dropped one of my phones and broken it, ever. And I’ve had cell phone since, well, since cell phones were invented. Unfortunately the same can’t be said for others who are on my account. I always figured hey if you’re the one that has to pay for for it, you are a lot more careful.

    #43 4 months ago
    Quoted from xsvtoys:

    To be fair, it makes sense. Nonetheless if you break it, you have to pay. That said, I have never dropped one of my phones and broken it, ever. And I’ve had cell phone since, well, since cell phones were invented. Unfortunately the same can’t be said for others who are on my account. I always figured hey if you’re the one that has to pay for for it, you are a lot more careful.

    I'm with you, I always have my phone in a case (Ballistic Hardcore brand), but if I'm wearing tight jeans, there is no way that case will fit in my pocket.

    It's a nice case, but my phone did crack once in a 10m fall, so it's not totally bulletproof, no matter what the box says.

    #44 4 months ago

    I replaced a screen on my first iPad using parts ordered from Amazon. It did work after I replaced the screen (and the WiFi antenna, it gets torn when pulling the screen) but a few months later, the screen developed a “dead spot” and wouldn’t recognize touch.

    I’m guessing that was from using the cheapest replacement screen I could find.

    But it was good enough to get a decent trade-in price towards my current iPad Air 2.

    #45 4 months ago

    Is apple replacing iPad batteries cheap too, or just iPhone?

    #46 4 months ago
    Quoted from TheFamilyArcade:

    Is apple replacing iPad batteries cheap too, or just iPhone?

    Looks like it's still $99

    https://support.apple.com/ipad/repair/battery-power

    #47 4 months ago

    Another tool you want (and probably already have) is the HF Magnetic Bowl

    It's free (coupon in this week's Valpak), it won't spill all those tiny #00 size screws if you bump it, and it keeps everything under control.

    If you are stopping work FOR ANY REASON, put all those tiny parts in a pill bottle and cap it.

    Otherwise, something will happen, and a week latter when you get back to the phone, one of the screws will be somehow lost.
    62535_zzz_500 (resized).jpg

    https://www.harborfreight.com/4-in-magnetic-parts-holder-62535.html

    #48 4 months ago

    I’ve dropped my iPad Air a couple times and had the screen replaced....the screen freaks out and opens up new pages when I’m using it. And apps are sketched out. I took it in to another screen place and they said the screen was fine but that the frame was so bent that’s what is giving it issues...not able to fix it really. I don’t use it anymore.

    #49 4 months ago

    Posting to remember this.

    2 weeks later
    #50 3 months ago

    Here’s my daughter’s iPad 2. The current list of problems is that the power button doesn’t work, the microphone doesn’t work, it won’t charge (either battery or port) and the home button is temperamental. Not a problem, I’ve had this ipad open a couple times before and know what I’m in for. The glass digitizer is cracked (and I cracked it further opening it again) so I have another one on order from AliExpress for $15 cdn shipped.

    I have a collection of pry tools and suction cups to help get this open, but to do it properly you’ll want to use a heat gun evenly distributed around the edges. Since I’ve had this one opened before I know that it’s now held together that tightly.
    61E345D6-FF54-4C79-A82F-A5F73C0EECC0 (resized).jpeg

    Next thing to do on this model is to flip the digitizer over to the side while you unscrew the lcd panel.
    1A7AF371-F6F6-466A-A4B4-5EB3F864A900 (resized).jpeg

    Under the lcd screen you can see how they’re attached. These tiny connectors and flex cables have a lock on the one side of the header, you just pry it up to release the tension and they pull out fairly simply.
    52182BA2-BB49-4AE7-90AC-2A7C701C2766 (resized).jpeg49F7A5F8-CF30-4392-B520-0A27005A4F75 (resized).jpeg8DD7A0EE-40C2-4C8A-8A60-983BC52D16E4 (resized).jpeg070BAE56-9017-4FCE-9895-415D40DFDD4D (resized).jpeg

    If your just fixing a cracked screen you can stop here, put it back together and you're rocking, but I’m going a lot further into this old guy. My next step is to disconnect the battery from underneath the motherboard. Simply unscrew the connection and remove the old battery. But first there is a couple other things to disconnect,like that wire running above the battery to the controls on the other side. 16ADF78C-D781-4CB8-B999-532204D8C3FD (resized).jpeg

    The charge port is simply held in by 2 screws, and the flex cable just snaps together like lego. The connection is wrapped in tape so you need to remove that too.
    F808234E-CFF5-46F1-84CD-BDDD71140FB4 (resized).jpeg

    Ok now that that everything is disconnect I can pull out the battery, it’s held in by glue, so you’ll want to heat it from the backside until it pulls away without to much force. The battery connection sits on a little post that the screw attaches to, so you need to lift the battery connection up before it will pull away from the motherboard. A8063D6D-CC31-41A6-B21C-BE22E09A232C (resized).jpeg

    Now that there is some space to work I can get on with pulling out the PCB that controls the buttons. The camera is 2 screws, the mute switch/volume buttons are 3 screws (don’t mix up the longer ones) and the pcb is 2 more screws. 3FD23EF6-B0FA-4C6F-8847-384C90540620 (resized).jpeg

    Here’s the new flex cable to be installed, hopefully I can remember how this goes.... 6687B776-8AD0-4A32-9A64-1A779F45E617 (resized).jpeg

    Actually it’s not that bad, the buttons all have sticky pads on the flex cable and there’s two nubs to align them correctly. The rest of the flex cable has double sided tape already installed, so this just gets finagled into place. The most difficult part is reconnecting the flex cable to the pcb, but since it’s another lego type connection you know when it’s right. 9492EAED-AC90-4211-B72F-208D38D3A178 (resized).jpeg31ADB7AF-23B6-41C0-A89B-C5DEAD1BB805 (resized).jpeg

    Next is the microphone, this one’s simple, pull out the front facing camera, disconnect the flex cable lego connection. Re connect the new mic and slap it back in. 6AA87FED-9501-4B4C-AA1D-8239CB797255 (resized).jpeg

    That’s it for this repair, put the new battery in, reconnect everything, attach the digitizer screen and lcd screen, but test everything before you screw the lcd panel back in.1DA03437-C578-4586-85F7-E0613EEEA4C4 (resized).jpeg

    So I’m still waiting for the new digitizer to arrive, but that will be a quick job whenever it gets here. But there ya go. Put back together and working like new.7A2F8606-E3BB-4C91-A8E9-EC8DE8CB3B12 (resized).jpeg

    The home button is attached to the digitizer, so I’ll be replacing that when the new screen is done.

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