Signal problem - Sony Xperia M4 Aqua

Hi everyone.
My phone (E2303) is running the Rom Pexorom at its version V.2.1.
I´ve realised that I cannot make or receive any calls. Even though I have coverage, when I start phoning someone the signal directly disappears and doesn´t allow me to phone. I cannot explain this behaviour as the rest of the time I can enjoy from my internet conection and so on. However, calls are impossible both to receive or phone.
Any solution to this strange problem? Do I have to start searching for a new smartphone??
PD: My charging port allows charging but computers don´t recognise my phone. I don´t think both issues are related, but I say this just for you to know that I haven´t been able to update the rom to the 3.0 version (even though I don´t think there resides the matter)
Thanks in advance to everyone!!

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[Q] x10 Mini - Several calls nog going trhough and huge delay of sms

Hello
I have a problem, that seems to be related to the 2.1 update, since I haven't had this problem before. I've flashed both with versions from here and generic nordic version so I have tested several times from scratch.
I have roomies with the same phonemodel and carrier that have no problems. One of them use 1.6 and one 2.1.
My problem seems to be that the phone can't save and decide what NW to choose. Often I can have several text message dropping in at once several hours late. Often when I try to call I have to try up to ten times before the call connect, and most of the time when people call me they get I'm not available.
Seems it's no change if I kill everything non standard or even directly after re-flash. Do anyone of you know these problems and have an idea if it could be HW, SW or perhaps sim releated?
Since my roomies have the same phone and came carrier I doubt it's the carrier itself causing this. Both GSM and 3G coverage is great in the area. It can be noted that if I manage to get the 3G connection running, talking over SIP is 100%, but over GSM the receiver can have problems hearing me and sometimes I get this robotvoice.
So, for me it seems the radio firmware can be a bit off here, but is there anyway I can replace this separately or do you know of any fix that resolve the NW carrier settings that the phone seem to forget?
i seem to be having the same problem regarding delayed sms messages...
can anybody help please?
why not switch phones with your room mates and see if the problems follows the phone or the sim.
Mine is actually worse. SMSes doesn't even reach my phone. It happen twice already ( once in 1.6 and the second time in 2.1) Both time I solve the issue by reinstalling the phone software via pc suite. You should do the same
I have the same problem, i reinstalled the Cyanogen using xrec, and problem still exists.
Maybe anyone have some hints how to solve it?

Wifi Direct Issue

Helllo
I am facing an issue with wifi direct which is kinda weird,
I can normally turn it on, and connect to other devices and even send, but i cannot however receive anything...
my friend tries to share something with wifi direct , and finds my name under list of available wifi direct devices.
I get the popup to accept the connection, and then his phone goes into waiting
and my phone never shows the pop up to accept or cancel
So my friend's phone keeps waiting.
It was already working normally, dunno why it isnt anymore
I can normally send stuff however using wifi direct. so at least i can tell it isnt a hardware issue
I am using checkrom v4 mod with speed mod kernel
and i already wiped both dalvik and cache partitions
also i tried to change themes and kernels with no luck
Any body has any idea what i can do to debug this?
*am sorry if this isnt the place to post it, or if this has been posted before, i already searched everywhere but didnt find any similar issue*
any one?
any ideas on what i can do for this?
How can i see a log of what is happening ?

Xperia Sola Wifi Problem

Hello guys
My Sony Xperia Sola was perfect until i updated to ICS. ICS is very fast,smooth and beautiful software but since then i am experiencing a wifi problem. My wifi get frozen and stuck to connected. I can't disconnect it. The only way to disconnect it is to switch of the phone. I foundnd a "solution" to this problem. Problem seems to disappear if you make a factory reset of the phone. But after a week it comes again. It's so annoying. My "solution" is to make back up-and restore once a week to avoid the problem. If i didn't do the factory reset problem comes again. Is there any solution to this issue? I heard a lot who have this problem after updated to ICS(problems appears and to xperia u)
Thank you
Patrokloscy
Please post Q&A in the appropriate section next time
Thread Moved
Any solution guys??
Change the wireless interface on your router to be 802.11 b/g only - not b/g/n
that helped me!!
sola wifi prob
i have the same problem, i restart, format, anything, but the wifi still doesn't turns on.
even at the first startup screen, i clicked connect only using wifi, than i select network, after that it just stuck there and the wifi will not turn on forever...
i had formatted my phone at least 3times today...
can any1 tell me y???
and how to fix it???
credit to @[email protected]
flash ur device using flash tool, it can be found in the forum too, and it shall be fine after that, just dont know that how long it can last...
same issue
I completely understand the original post.
I don't want to bother with any routers, 'cause it had been working fine before. It mustn't be a question of router settings.
Some software upgrade of the phone might have caused this problem and I'm still waiting for any reply from Sony on this. If they don't do anything in a month I'm gonna push this **** device to a repair station, though I don't feel much desire for the mess that comes with this procedure.
Generally the phone is very slow (and sometimes it opens the phonebook instead of call list, sometimes it take 10 secs, etc.), I wanna get rid of it but I have to wait till the end of my telephony contract's period.

problems with received calls

Hi, i'll explain very fast.
I can do calls but, if someone try to call me, they can't because my phone seems to be off. I'm on MM
Can someone help me?
Sorry for the bad english
Did you install any roots or something? How did you update your phone?
This sometimes happens to mi with my Honor 6. But only when I'm using 4G.
When I move it seems to be a problem while changing antenna, and telephone stays a while without receiving calls, neither whatsapp, sms,... If I use the phone during this time, and try to make a call, everything works again.
I tried a lot of thing, configurations... and didn't find any solution. Until I tried disabling 4G ... and never again had this problem !!!
Try disabling 4G and see if the problem continues...
Thank you for the answer, but the problem is still there..

Network problem on SIII GT-I9300 with cm-11

Hi guys, I'm only starting this thread because I searched over 50 pages and tried different methods already.
After my Xperia Z3C decided to have major issues on the screen, I decided to go back to my SIII while I try to fix the Z3.
My S3 is still running perfectly under cm-11, the only problem is that I can't connect any calls, if I try to make a call both phones rings normally, but when the person answers the phone (or the other way around) the connection goes mute, no sound at all. After I hang up the call the SIII loses the networks for a couple of seconds and then it comes back up.
Viber and Skype works, messaging works, 3G Mobile Data connection works with no problem, and the phone only loses signal when I place or receive the calls.
I upgraded from cm-11-20150901-SNAPSHOT to cm-11-20160115-SNAPSHOT, installed a new modem, checked APN configuration and IMEI, the only thing left to do is to Odin flash back to stock android, and actually I don't want to do that, I love cm since the day I installed.
One thing to notice is that the SIII worked for quite some time with cm-11 without presenting this problem.
What else can I do? Thank you very much in advance.
Can no one help me?

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