Hi all,
is a couple of days that my Photon Q have some problems with carrier and data signals.
The phone have SIM mod and running on Wind Italian carrier.
Until one week ago I don't have any problem to use it in GSM (EDGE data connection) or UMTS (HSDPA data connection). Now I'm able to run the phone only with GSM connection. If I choose WCDMA (UMTS) connection the phone lost the signal.
I try to change the configuration a lot of time (and reflashing the ROM, CM 12.1 stable release) without success... only the "GSM only" mode guarantee the phone to connect.
I try to open the cover to perform some chech with the internal antennas... but there is a lot of it!
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upper left, upper right, central right, bottom left, bottom... 5 antennas!
+ one in the main board (the black wire in the top of this image):
Now, I'm almost sure that the black wire in the mainboard is the 2G antenna (the phone connect to the GSM signal also without the cover connected)... but the other 5 antenna in the cover?
Do you know where is the UMTS antenna?
It's on the sticker at the bottom, the wide one.
Related
Hi everyone.
Please help if you have any advice
I dropped my laptop on my OPO and I broke both displays (both OPO and laptop).
This sucks bad because I can barely afford to fix one, let alone two.
I did fix the OPO and - this is weird - I am getting service issues.
I went back to the repair guy (really nice person), and he opened the OPO in front of me and showed me that the antenna is well connected so no issue there.
The issue is very odd: I do get to register my sim on the network (or at least it does show my carrier) but my reception is barely there.
Now I know the OPO has issues showing signal bar (right?) but in any case my signal bar always shows no signal.
I resetted everything and even went back to stock OxygenOS firmware (I think).
Getting barely any service. Tried a different SIM - same problem.
Pics:
http://imgur.com/a/iMoxu
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Hello to all,
just want to share a solution for a problem I encountered.
Phone:
Display repaired myself.
Symptoms:
Mobile data and phone reception was unreliable. Seemed to work sometimes, sometimes not usable.
When not usable the network symbol said: No Data SIM/ No SIM, when long pressing on the symbol it said: Invalid network mode (-1)
Cause:
Antenna unplugged, but sometimes it managed to connect due to proximity of the two parts of the plug.
Solution:
Plug the antenna plug back in. (And of course control all the other antenna related contacts.)
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(Picture from ifixit Teardown, step 11. https://de.ifixit.com/Teardown/OnePlus+One+Teardown/26484)
So I seem to have disconnected the antenna cable when disassembling the phone for the display exchange. So glad to have my beloved reliable phone back now!
Hope it helps for some of you!
I first tried all the software stuff, but nothing worked. Heres nice and useful links you could use, if you couldn't resolve your issue via my suggested hardwarefix.
https://forum.xda-developers.com/oneplus-one/general/firmware-modem-oneplus-one-lollipop-t3300907
https://forum.xda-developers.com/oneplus-one/help/fix-brickloop-audio-fx-fc-efs-corrupt-t2879061
https://forum.xda-developers.com/oneplus-one/general/guide-return-opo-to-100-stock-t2826541
Thanks to all of you at xda, who always helped me fix my phones=)
Cheers!
Does anyone know if the GS7 handles weak signals as good as the G6? I used to have a GS7 and bought a refurbished one again for Verizon but it seems like the signal strength isn't as good. it goes from 0-2 bars and HD voice sounds muddy. Is my phone bad or is the GS7 not as good as the G6 with signal strength. I never had signal issues with my G6 in my house. I am trying to figure out if i need to send my phone back to the seller.
Here's my signal strength. Does this look normal for the GS7?
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Sent from my SM-G930U using Tapatalk
anyone? Can someone tell me if the signal strength and meter matches to yours?
I notice if I toggle flight mode on and off or pull the sim card out the signal gets real good for awhile but then after a few minutes it starts dropping off and not being stable again. even going to Extended Network. Is my phone bad? do i need to send it back. can someone please help me? Also notice now twice i get the circle sign with a line through it then the network slowly comes back up.
Anyone else have this in their status bar area? It shows my network connection twice. By the battery and by the clock. Is that an option that can be turned off?
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Sent from my vivo 1805 using Tapatalk
That's just the way it is.
The left hand side shows the signal strength and the type of network you're connected to (4G+/4G/H+/H/etc), it will also show both networks if you're using dual SIM.
The right hand side shows how you're connected to the internet - cellular or wi-fi, with the cellular indicator also showing whether it's 4G+/4G/H+/H/etc.
So they're technically different but there's some overlap.
Step666 said:
That's just the way it is.
The left hand side shows the signal strength and the type of network you're connected to (4G+/4G/H+/H/etc), it will also show both networks if you're using dual SIM.
The right hand side shows how you're connected to the internet - cellular or wi-fi, with the cellular indicator also showing whether it's 4G+/4G/H+/H/etc.
So they're technically different but there's some overlap.
Click to expand...
Click to collapse
That's pretty dumb, but I figured that was normal when I looked at the homescreens of other uses. Thanks.
Sent from my vivo 1805 using Tapatalk
I cannot connect to the Internet in the UK with this device. I have got to Sim card, both of which work in an iPhone for data. One has been set up with APN settings as guided by that network. The other not.
With Talkmobile and APN settings there is a circle with a bar where I believe I should see network connection at the top right of the galaxy screen. The main Galaxy dashboard shows 5G but I don’t believe this. Also if I go to software update within settings on the Galaxy it says that no network is available.
Spoiler: Screen shots
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Only when the status bar shows the 5G logo, the device can access the Internet. Maybe you should first confirm whether your region supports n77, n78, n41, n28 these 5g frequency bands.
thank you. band 78 is good thanks. got it to work after a while, i just need to wait quite a long while for the status bar to update and show 5g