[Step By Step] GPS Fix (external ANTENNA) (pics attached) - LG Optimus Black

in this thread i will explain how to make external GPS antenna for our OP without epensice costs (it costs me less than a dollar :fingers-crossed
im not responsible for damaging your phone if u try to follow this !!!
Materials:
*screwdriver (i used 3mm but 1.5 mm is optimum) (i bought 2 screws flat and crossed for 0.5 $)
*a piece of copper wire about 10 - 12 cm and thin diameter (i used a wire of my old damaged mouse) (cost nothing)
Procedures:
1-take of the 7 screws at the back.
2-with a flat screw ..... at the top right sider (at mp3 jack) enter the screw and rotate slowly and carefully and the plastic back will open clip by clip. (try to be careful cuz of weak materials). (after taking off the back cover take care of volume rocker button and lock button as the may fall and lost!!!!!) (take the battery off to avoid short circuits)
3-locate the GPS antenna terminal at the plastic back and at the motherboard (ignor the ground terminal)
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4-at the plastic cover ...... put a piece of adhesive tape on antenna to be sure of its isolation
5-on the motherboard ....... put a piece of plastic adhesive tape on the marked area and pass the copper wire from the rubber piece as in the pic and make th wire get out at the area directly near the antenna (cuz it's opened at the back over)
6-reture the buttons in place and the back cover and tight the screws
7-cover the metallic areas over the SIM card and SD card and screw median to the camera by plastic tape to prevent touching of wires.
8-Now ............ u got the antenna :victory: :victory: :victory: :victory: :victory: >>>>>>>>>>>>u can bend it behind the battery cover but it won't make reception better as u thought >>>>>>>> OR >>>>>>>>>>>>> when u need it just take off the battery cover and get it out !!!!
http://youtu.be/KJ60A2bt6Sw

looks nice and the snr is good, congratulations for your work and thanks for the tutorial.

Very nice thank you
Xperia P cihazım ile gönderildi... XDA Premium

what "rom" you use ?

rjunai said:
what "rom" you use ?
Click to expand...
Click to collapse
Most likely a custom ICS Rom. Probably IZS made by Huexxx.
Sent from my Sexy 7

rjunai said:
what "rom" you use ?
Click to expand...
Click to collapse
official ROM ICS of UAE >............ but im now using IZS with the same results
it's APEX launcher

Other side
Can I ask, is that same looking thing on the other side (at right side) antenna too? For what is that antenna?
Thanks

jzak1083 said:
Can I ask, is that same looking thing on the other side (at right side) antenna too? For what is that antenna?
Thanks
Click to expand...
Click to collapse
the antenna at the RT side (at Power button side) >>>>>>>>>>>> wifi/bluetooth antenna

And do You know, where is ground? on the left or on the right?
Thanks

jzak1083 said:
And do You know, where is ground? on the left or on the right?
Thanks
Click to expand...
Click to collapse
the ground is the inner pole even for wifi/bluetooth antenne or that of the GPS .................. so u work with the outer pole for each

Thank you!

Related

Problems after change cover

Hi, I've changed black housing on my magic for a white cover, I've got some problems with GPS and Bluetooth.
The first (GPS) doesn't work nothing, and the second (Bluetooth) sound very bad, I can't comprehend nothing about the conversation.
I don't know what is the problem maybe the antennas? somebody can help me please.
Greetings
potomac said:
Hi, I've changed black housing on my magic for a white cover, I've got some problems with GPS and Bluetooth.
The first (GPS) doesn't work nothing, and the second (Bluetooth) sound very bad, I can't comprehend nothing about the conversation.
I don't know what is the problem maybe the antennas? somebody can help me please.
Greetings
Click to expand...
Click to collapse
and when you change them back everything works fine ?
Cover problem
markojan said:
and when you change them back everything works fine ?
Click to expand...
Click to collapse
I did not change back. I'm still having the white cover. Some idea?
Thanks
potomac said:
I did not change back. I'm still having the white cover. Some idea?
Thanks
Click to expand...
Click to collapse
it could be that the new one is from different matherials that somehow block the signal (iron threads , ferite threads...) , if you have the old cover you should check if the signal is better with the old one. If it is possible use the one from a friend ... just for tests ... its strange because the other ones sold should be tested to work with the phone....but it's all mass produced in China , so .... anything is possible
one more thing, do you use HTC stock ROM (vanilla) or did you flash some other ROM from this or any other forum ??
did you change the middle housing also? because you do know the gps antenna is a sticker stuck onto the middle housing you might have forgotten to take it off and put it on the new housing.
_ice_ said:
did you change the middle housing also? because you do know the gps antenna is a sticker stuck onto the middle housing you might have forgotten to take it off and put it on the new housing.
Click to expand...
Click to collapse
not likely. the gps reciever is under the sticker
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or in full
oscilators, condensators , ICs ... not likely to fit in a sticker
but as I said , maybe the new cover is from thicker matherial or some ferite-like one that chops the signals and they give bad reception (sending also).
Thank you for your answers.
I changed the front cover, the middle and back cover, also the leds, speaker and all keys.
The new housing is by TIM (Telecom Italia) could be the material as markojan says but I don't think so. I will try to change back all, and will tell you what happen.
Where is exactly the GPS antenna?
Thanks and see you
Both the GPS and Bluetooth antennas are in the sticker. Somtimes if you are not carefull peeling off the sticker from the old cover it could've damaged the copper etching which is in sticker which acts as antenna.
Try if you can get replacements (I didnt find any on a search). Alternatively try checking again and try replacing the copper with some aluminium foils used for packing foods. It should work fine.
Based on what you tell its certainly the antenna is damaged or not in 'contact' with board behind.
Good luck!
Problem solved, the gps and the bluetooth are working again. The problem was with the medium housing, the new one (white) has not got the two golden contacts, I supose this two contacts must be the antennas.
I've replaced the medium housing for the old black, and covered with front and back white covers.
Thanks

Home Made capacitive screen stylus

I was really struggling to spend around 15 euros on HTC stylus, so I tried and made my own. All you need is a long stylus - shaped piece of plastic, I used a long lego piece. Next thing you need is a piece of antistatic film you from your eg computer equipment ( around 7 by 7 centimeters) and some scotch tape. Next thing you need is around five minutes free time and you got a stylus.
1. Wrap antistatic film around eg. lego piece and stick it with scotch tape.
2. Optional - you can cut the end of film to give it some more regular shape and to get some more accuracy. It's done
It's crucial to remember to be touching the antistatic film itself while using stylu, otherwise it won't work.
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http://img821.imageshack.us/g/img20110419143055.jpg/
Good idea, but a photo would be nice.
i've tried a stylus and was less than impressed, but if it works for you that great
I used a old bic pen, wrapped aluminum foil around it, added #0000 steel wool to the tip, put on some tape, etc until it felt "right" and then it worked. You have to be touching the foil though.
I will try to upload photos so that can be visible in my post, but dunno how yet .
Stylus works great and is very accurate, but the fact is you have to touch the film while using it. But it's not a very big drawback I guess
Done with a bit more care that would look very acceptable - ghetto is fine for me, but if I left that on my desk the wife would "tidy it up" direct to the bin lol
I'm still trying to understand how capacitive screens works, but could you possibly make a stylus out of solid metal?
In which case, I have an idea for a design
some antistatic film, 1"x1" is enough
a little bit of sponge
a copper tube about 4" long and with an internal diameter slightly bigger than the following bolt
a bolt slightly longer than the tube
a nut for the bolt
tape
place the spongy material on the head of the bolt and drape the antistatic fil over top it.
tape it down to the sides of the bolt
insert the bolt inside the tube and use the nut to hold everything together. use lock-tight if needed, as you do not wish to damage the film.
optionally you could rig some sort of clip and put that on before the nut.
you can tweak the design as desired.
Capacitive screen works basically by detecting electrostatic load that human body produces.
I think only rule in making non-battery stylus for that kind of screen is to provide a load-conductive material and adjust it to connect directly the finger and the surface of the screen.
So basing on that konwledge I don't think that a solid metal stylus would work due to the lack of connection of antistatic film and a source of a static load. You can check it by just touching the screen with any bolt, or anything metalish at all.
I made my own in the beginning
Like many of us, I too tried making my own stylus to use on my iPod, but they always looked like junk and never worked much better. So like everyone else looking for the best, I bought and tried 90% of them and spent a ton of money dong so. Then I tried the STYLUS-R-US ones and wow! They make all other ones look pathetic, seriously. I bought their Terminator and it is awesome to the bone. No pressure a all to make it work. Not foam either. I'm not sure of their url but they have like a dozen so you can just search for stylusrusDOT anything and you'll find them.

Cleaning the speaker mesh

Hi all,
due to using my phone out and about in generally dusty places my speaker mesh is basically fully clogged up with dirt and the sound is drasticly reduced. Has anyone here cleaned their speaker mesh or got any advice on what would be the best way of doing it? i dont really want to start prodding a pin when i dont know what it could do!
Thanks in advance....
if you use a pin, the dust will fall in further.. so i wouldnt do that, but if thats ok by you then go ahead, nothing will happen as long as you dont push it in much further than the mesh ends.
blowing the dust out is the best solution imo.. only question is how to do that without diassembling the phone
I have similar problem I've used a piece of blue tack, just press it in and pull it out a few times to remove the dust and muck.
Sent from my LG-P990 using XDA App
mines full of dirt
Tried a vacuum cleaner? Obviously the grille is a little small for it, but there might be enough air movement to lift the crap.
Here's what i would do:
Find a SMALL paintbrush... as stiff as possible...
Take Your vacuum cleaner hold the vacuum nozzle close to your phone (as close as you can get it..
Gently start brushing the speaker and let the vacuum cleaner take care of the stuff that are coming loose..
If the brush is to soft, try to cut it shorter to get a little more "power" on it...
Have'nt tried this, but i should work (i think... )
PS (If You are out in dusty enviroment a lot, I would cover the speaker holes with a bit of clear tape.. shouldnt affect the sound to much, and would
keep the phone healtier
Suck it out with your mouth, but try not to inhale it.
Seriously, that's the fastest way.
Tr0gledyte said:
Suck it out with your mouth...
Click to expand...
Click to collapse
Yes, you can hire a hooker for that
No, seriously, I would try a vacuum cleaner.
The Nozzle will be to big, but most vacuum cleaners come with adapters. There is that adapter that looks like that:
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When you hold most of it covered with your hand, it should work.
torespen said:
Here's what i would do:
Find a SMALL paintbrush... as stiff as possible...
If the brush is to soft, try to cut it shorter to get a little more "power" on it...
Click to expand...
Click to collapse
Or use a toothbrush
vacuum cleaner, tape, blower
You can get cyber clean as well.
Don't go to close with the vacuum or it will bust the speaker inside the ear piece, like he said above use fine clean paint brush and have a slight suction there from the hoover.
Sent from my Optimus 2X using XDA App
Kickasskev said:
Don't go to close with the vacuum or it will bust the speaker inside the ear piece, like he said above use fine clean paint brush and have a slight suction there from the hoover.
Sent from my Optimus 2X using XDA App
Click to expand...
Click to collapse
LOL!... i read HOOKER... yeah!.. thats right... out on the street and pay some $2 hooker to give Your phone a BJ!
Tr0gledyte said:
Suck it out with your mouth, but try not to inhale it.
Seriously, that's the fastest way.
Click to expand...
Click to collapse
mike-o2 said:
Yes, you can hire a hooker for that
No, seriously, I would try a vacuum cleaner.
The Nozzle will be to big, but most vacuum cleaners come with adapters. There is that adapter that looks like that:
When you hold most of it covered with your hand, it should work.
Click to expand...
Click to collapse
hi
ha ha ha either of the above solutions could get spit into ur phone and really spoil it for good the vacuum and a small brush should be better
Thanks for all your replies! Been busy the last few days.... I used the toothbrush solution and the mesh is now nice and clean!
Cheers everyone, glad others could be helped with this frequent issue
Sent from my Optimus 2X using XDA App

[tutorial] creating stylus for capacitive screens

stylus:- (a pen which works on capacitive screens)
creating stylus is very simple
requirement:-
(1) an ear bud
(2) a very small amount of cotton
(3) 2-3 drops of water
all the three thing can be found easily in homes
procedure:-
(1) take a single ear bud
(2)wrap extra cotton around the edges
(3) put 2-3 drops of water on the cotton and make it a little bit wet
and your stylus is ready. enjoy touching with stylus
(do not forget to press thanks button)
This can be useful for the cool days, wearing gloves. Why an ear bud and not other thing?
what is ear bud ?
Samsung Galaxy Next Best said:
what is ear bud ?
Click to expand...
Click to collapse
I had to google it xD
Here it is: http://goo.gl/m8Srv
Adripeg said:
I had to google it xD
Here it is: http://goo.gl/m8Srv
Click to expand...
Click to collapse
ear bud:- a thin stick of plastic which have cotton on both of its edges is used to clean our ears.
any thing can be used in the place of ear bud but i have used ear bud because it is very thin and is easily available at many place
Here it is ..
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Those are called q-tips.
TheWhisp said:
Those are called q-tips.
Click to expand...
Click to collapse
Or Cotton swabs !! Is q-tips a name of a company ?
http://en.wikipedia.org/wiki/Cotton_swab
Ah, ok. So Google Images was lying to me, agh ¬¬"
Then, if the material is irrelevant, I think I'll use an exhausted (I think it's the correct word when there's no ink in it) pen
coolsandie said:
Or Cotton swabs !! Is q-tips a name of a company ?
http://en.wikipedia.org/wiki/Cotton_swab
Click to expand...
Click to collapse
Yes, you're right
dhlalit11 said:
stylus:- (a pen which works on capacitive screens)
creating stylus is very simple
requirement:-
(1) an ear bud
(2) a very small amount of cotton
(3) 2-3 drops of water
all the three thing can be found easily in homes
procedure:-
(1) take a single ear bud
(2)wrap extra cotton around the edges
(3) put 2-3 drops of water on the cotton and make it a little bit wet
and your stylus is ready. enjoy touching with stylus
(do not forget to press thanks button)
Click to expand...
Click to collapse
Tried and worked after 2-3 attempts.
Used it but was bored after few minutes, so threw it and now back to hands.
Sent from somewhere on Earth !!!
nishanty13 said:
Tried and worked after 2-3 attempts.
Used it but was bored after few minutes, so threw it and now back to hands.
Sent from somewhere on Earth !!!
Click to expand...
Click to collapse
i also did that
Anyways its just a trick. You can't use like you see in Galaxy Note ads
Thanks for trick, nice
Inviato dal mio GT-S5570 usando Tapatalk
Even wraping metal paper ( ofcourse the paper wrapped on chocolates) on a plastic earbud works.
Swyped using xda premium
its fun to use it when u use apps like sketch and draw ....
You guys are supreme crazy, LOL well thanks, that idea of yours made me laugh. nice idea, quite simple but unique.
Thank you.
I had already tried it. I tried it in Skitch app but the line was dotted! It loses the touch sometimes.
sorry for my bad english.
This is crazy maan.. but i love it!
<THOR> said:
...:sly:...
Click to expand...
Click to collapse
pardon please

[HARDWARE MOD] Xperia Z3 Heatpipe swapped into Z

Hello , here i am again with questionable things that i did
BUT DONT TRY THIS AND BLAME ME LOL , Im just sharing what i did Unless you absolutely had nothing to loose and bored jusf like me
Years ago i aqquired A Z5 and upon diasembling it (to replace the screen ) i saw that they doubled the Heatpipe , it does really help with the heat . so that got me thinking , can i swap this pipe somehow into our little Z ? Just for the fun of it to see if it work or not
I began with making a rough sketch of how the pipe going to be fit
(At this point i didint realize that the cpu location is the same , so the pipe doesnt need to be inverted )
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So i bought a broken Z3 and diasemble it , but . to my sadness , the pipe is actually soldered directly to the aluminium panel below
(Sorry for out of focus )
My original plan was to seperate the pipe from the frame and manipulate it at my own will (the copper pipe is extremely soft . u can bend it with your nails )
But since it is soldered directly to the aluminium , time to use some brute force
(The aluminium plate was easy to seperate from Z3 metal case since it is only held by glue and clasp )
Since there is actually aluminium under the pipe , i cant bend it sideward to make it smaller in footprint , so i had to change plan and start gutting my Z inner frame ,
And make alots of cut
(Picture to be uploaded )
After that i just put the pipe into possition and tape it there
At this point i faced a second problem , the thickness of that pipe , will basicly adds another 1mm to everything. Which became a huge problem . motherboard mounting . as you all know , or may not know , XP Z motherboard is held by 3 sets of screw , 2 on the usb side and one at micro sd Side , while it screws normally in the USB side , it started to flex almost heavily when i screw in the last screw on the microsd side (as the pipe now sits in the middle of the motherboard, so screwing both side is like pulling it down with force) to compensate that flex , i added some sponge (or whatever that is ) to give bit of leverage so it doesnt flex and bend as much , I also bend the wifi antenna pins outward to make it longer so it still touches the other pin (because of that added height ) ,
Here is the result
With that out of the way . now comes the final problem , that pipe runs diagonally , which will add thickness to the battery too , how im i suppose to fit in the back cover ?
I ran out to the nearest shop to buy one of these
The tape has a thickness of ~2 mm i believe , in order to clear the battery , i had to stack around 3 of those ontop of another , and then im able to stick the back cover without any problem
In the end , DOES IT WORK ? , I dont know , i havent test it yet , also i did this on pure boredom , if it works it works lol
Video to be uploaded
Sent from my Xperia Z using Tapatalk

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