Galaxy S3 NEO (GT-I9300I) - Galaxy S3 Neo Q&A, Help & Troubleshooting

Hi all,
I've a problem with my Samsung Galaxy S3 Neo internal antenna.
I connected a wire to the W1-connector to check the external antenna function. It seems there was more signal signal strenght.
After i removed the wire the internal antenna stops working. The internal antenna doesn't work now. The external antenna does.
How can i recover the internal antenne function?
It seems that a permanent switch over has happened from the internal to the external antenna. How can i switch back?
Hope somebody can help?
Best regards

Related

External Antennae Used By GPS?

Hi All,
Does anyone know if the external antennae connector on the back is usable by the GPS? Will it result in a stronger signal?
Thanks!
Rael
The external connector appears to be for GPS as there is a link to an antenna in the trinity accessories forum.
As for how good, im not sure.
Aerials
I bought one of those aerials. It fits the connector, but does nothing for GPS signal strength. It does however slightly boost the GSM (phone) signal, which confirms that this connector is a GSM connector, not a GPS antenna. It also fits the GSM connector on my Artemis (HTC3300) which has two separate connectors, one specifically for GPS and one for GSM.

Phone doesn't work after applying external antenna?

I recently bought an external antenna for my Orange SPV M700 when I got it I was so please as the signal in my area is poor and needed the external antenna to boost the signals to make and receive calls. But it didn't fit so I had to apply pressure to it and it finally clicked into place. It worked perfectly and I was able to receive 3 to 4 bars more than I normally do. But after taking the external antenna out and going into a busy town where the transmitter is located the phone kept searching for a signal and gave up after 5 minutes. It only now seems to work when the external antenna is plugged into the back of the phone and when it's taken out no signal is received. Could it be that the internal antenna has broke or is it something else, because I'm really confused on this one.

Somebody know what it is?

Maybe an antenna connector? For the GPS? It is located above the upper right corner of the battery
I think that is an GSM connector
someone in another forum identified it as a MMCX socket, indicating it was for a GPS antenna,
he also posted a link to an auxiliary GPS antenna with the mmcx connector, looked just like the GPS antennas we used to buy for the mapping programs that ran on our laptops, or the auxiliary antennas available for the dash mounted GPS units
I think it's an internal antenna (don't think it's GPS), had the same on my Omnia II. Some people thought it was the reset button and ended up messing up their devices badly.
it's a connector for external antenna. which one I'm not sure, could be WIFI, GPS, FM.
commonly use for lab measurements.
Ok, thank you... we must to investigate
Bump, just noticed this..... It certainly looks like a MMCX socket. maybe we can boost wifi/fm/gsm signal by adding external antenna? We could use some thin wire and lead it around the battery..
I have a sirius satellite radio antennae with the same connector. I'm not going to plug it in though, for fear of shorting something out...
It's a connector for GSM external antenna.
You could measure resistance with multimeter...
Its quite risky, since there is no information about this connector.
xan said:
You could measure resistance with multimeter...
Its quite risky, since there is no information about this connector.
Click to expand...
Click to collapse
Or you could use a oscilloscope. and it would be safe
meybe could work like that
http://blog.wpsantennas.com/2007/05/samsung-blackjack-i607-external-antenna.html
http://www.wpsantennas.com/359921-samsung-captivate-galaxy-s-antenna-adapter-cable.aspx
Its a GSM external antennae plug for people with car kits. Use mainly by country people as they need it due to distance or professional drivers like truckers. I find it odd as you would need a modded back cover when using it. I WONDER if you can improve reception of GPS/GSM if you make a backcase out of required material

[Q] External antenna socket?

Does anyone know what the socket/plug on the back of the phone (under the cover) at the bottom-right corner of the battery is? It looks like a socket for an external GPS antenna or something similar...
I can't find anything related to it on here.
I think that it`s the external antenna GSM, NOT gps.
In other phones like older omnia, this connector is for gsm external antenna
Ah - looks about right. Might need that then, with the way Vodafone are round here....
Petty they did not give u the 2nd battery cover with the hole in it. Samsung normally do that. This make this phone very good for country drives now I can set it up to use external car antenna

i9505 wifi bluetooth reciever distance minimal

hi,
I refurbished my s4 i9505. I found the phone no longer pick up wifi and bluetooth signals further than a few meters away from the device.
i thought it might have been the antenna cable but it was not.
if someone can help it will be much appertained.
tried safe mode, reboot, circuits look algood, connects fine, similar behavior from the Bluetooth.

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