network antenna mother 5ic - Android Q&A, Help & Troubleshooting

i'm trying to fix an alps 5i phone. After i found the wright firmware, the phone never get signal. Trying to get a solution, found that the network antenna, is unwelding. It's very dificult to weld the antena, as the piece that is unwelded, is the motherboard jack. Is any solution that avoid welding the jack to the motherboard? upload a photo.
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Related

what is this

i`v been opened my O2 XDA MINI S and i saw this.
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is it a WI FI antenna or something else http://img225.imageshack.us/my.php?image=xdaminisvk6.jpg
i am sorry that i`v posted this in wizard accessories, my mistake
Mmmmm
The big one is a Faraday box that allows to balance the temperature via expantion... the litle circle is the anthenna factory test port dont use it to extend the anthena via an external of course it will burns the recption an sending modem...

Could the GPS Hardware Fix be applied to the other antenna?

As you can see in the picture, there are two identical antennas on opposite sides of the phone. The one to the right is the GPS antenna. After applying solder to it, my GPS has been craaaazy fast and accurate.
Question: what's the antenna on the left side? Is it the antenna for making calls? Would applying solder to it improve my reception?
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[Q] POOR WIFI on I9100

Hello everyone,
I am looking for "pins" on my SGS2 board where I can solder AUX and MAIN WiFi antenna. Anyone knows?
I will post whole procedure for upgrading WiFi connectivity if I success
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TNX
wifi on the bottom
Look in the 08-GT-i9100-TSHOO-7.pdf in this package https://www.dropbox.com/sh/nxwx6bq6mvp0f8e/eiqvnpABgG/i9100 service manual/Samsung_i9100_sm.rar
Thanks to @bombaybadboy
you want wire handset as wifi antena?

Build Quality / Manufacturing fault

Hi,
I think i managed to make it visible on the pictures. The speaker grill of my phone is just a little bit to high on one side and it feels like someone holding a knive to my ear while I'm on the Phone. I think this is not normal? Or is it?
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Lenovo S850 assemby issues

Hi!
I have a Lenovo S850. I bought a new display. I replaced yesterday a display. The new display work fine, but no GPS and the wifi is to weak.
Can someone help me?
Where are the wifi and GPS modul on mainboard? What is the solution?
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