[Q] Neo V - Signal strength drops to zero when phone is locked - Sony Ericsson Xperia Neo, Pro

In ICS\JB,
Carrier (Airtel in my case) goes down when phone is locked and kept aside and I'm not receiving calls or SMS for that duration of lock period.
Also, while a caller calls me, my mobile carrier says nothing about the status(Like not reachable or switched off) and their call is getting cut abruptly.
Battery usage clearly the showed that phone was searching for signal during lock period which results in drop down of battery performance as well.
No solutions expect for *#*#4636*#*# --> Under Phone settings --> GSM only.
But I'm using 3G Data for browsing where if I switched to GSM\WCDMA same problem heads up suddenly.
Is ther some one experiencing such problem through this month?.
I'm on GB now, and signal problem is not much as now compared to ICS\JB.
Though Data connections are a beamer now in GB . It's not connecting like how it used to be.
I have tested different SIM cards in my Neo v and the problem is same.
Haven't tried a different carrier though..
Any troubleshooting\solutions are much appreciated.

Related

Optimus dropping calls in 2G mode

Hi Guys,
My optimus calling service is not reliable at all in 2G mode. Is it just mine or there is really a problem with 2G networks. When I switch to 3G everything seems to be ok. Sometimes it drops the connection during the calls. Sometimes I can hear the other side but they can't hear me.
Overall it is a very good phone apart from calls dropping.
No issue
Been using it for a week now. Have flagged the 2G explicitly to conserve battery. Not had any case of call drops or one way traffic.
Cheers,
Vikram.
I use only 2G and I speak a lot. No problem at all.
Thanks guys, so I assume that next step should be to leave it for repair. I'm afraid that they will return it without any changes as this behaviour is not so regular.
Also my phone sometimes drops calls. I've resolved the issue replacing SD card, from Sandisk 16gb class 2 to Transcend 8gb class 4. Now works well, hope the firmware update resolve the SD compatibility problems
Is it really possible the only reason to be in the SD card? There is no much sense on this but who knows?!
I think it's not a sd-card problem, because i have the same problem here in Hamburg/Germany and for me it's the provider 'O2'. Same thing before with my Samsung Spica and my girlfriend ('O2' too) has a X10 mini, same calldrops...
Maybe you can try the simcard with another mobilephone!?
Greetings
Yes I can confirm the drop calls with o2 germany. I was two weeks ago in Köln and had the same problem but to be honest I had similar problem with e-plus.
matematic said:
Hi Guys,
My optimus calling service is not reliable at all in 2G mode. Is it just mine or there is really a problem with 2G networks. When I switch to 3G everything seems to be ok. Sometimes it drops the connection during the calls. Sometimes I can hear the other side but they can't hear me.
Overall it is a very good phone apart from calls dropping.
Click to expand...
Click to collapse
I use 2G mode to save battery life. I've not had any problem so far.
I have the same problem too. I will try to figurate if excists in 3g mode
Maybe your network has issues , or your signal is quite weak . I have full signal in 2g at all times
The problem could be strictly with the network reception in your area where 2g is very limited. With repairs they may be unable to detect anything wrong with the phone itself. See if you can find someone else on the same network, preferably different phone, and checking their status on 2g.
unfortunately my home has excellent reception, i have a second old device(nokia 6310i) and it works perfect with it
I have this problem too + missed calls.Keep reading but no solution so far.Flashed to prime v2 and nothing.I don't think the problem is in the network because i try with two different sims and problem exist but will buy another sim and see.
Same problem here. Also the voice quality is really horrible and sounds like it's coming through a pipe LOL.. Is this normal or?
FnH84 this is not normal.I thing that is software problem(other brands has the same problem).Maybe any process or application i don't know but this phone is useless as a phone.Everiting else works great but ............I will keep trying other rom-s other sims and keep reading for solution.
Ok, i found a convient solution for me. downloaded ,status bar 2g 3g, from market. i have always data off unless i need it(in 3g mode always). this program show in status bar if your network is 3g or 2g without having data on all the time cause consumes much battery. give it a try
Ok i install the program but it always shows 2g even my data is off.Is that normal.What the program show in your statusbar.
did you uncheck the 2g mode from the settings?

Loss of network once signal is lost, anyone else?

I have noticed that once the signal is lost, sometimes the xperia mini can't find the signal again. You are left with the little yellow triangle in the notification bar, but until you toggle the radio on and off, it will not find the network! Or is it just mine, latest firmware on 3 in the uk.
I have not noticed complete loss of signal but even if its laying still on my desk it keeps going between GSM and UMTS for no reason at all (xperia mini pro model). My old X10 mini pro on the same spot on the desk was rock solid on UMTS.
I also noticed that it sorta gives up searching for a signal after a while. I guess it's good in the sense that it'll save battery...
Clivectmob said:
I have noticed that once the signal is lost, sometimes the xperia mini can't find the signal again. You are left with the little yellow triangle in the notification bar, but until you toggle the radio on and off, it will not find the network! Or is it just mine, latest firmware on 3 in the uk.
Click to expand...
Click to collapse
Same here, also on 3 network in UK. Actually it's on my OH phone so it's imperative I get this fixed ASAP!
She has discovered that it also affects texts and Gmail too, nothing is sent or received until the yellow triangle goes. She has discovered that if she tries to make a phone call (but not needed to actually answer the call, just wait for the call to start ringing and then hang up), it clears the triangle and the phone reconnects to the network again. Then she will receive any outstanding texts and emails etc.
I wonder if this is a 3 network specific issue? If so, then I am sure flashing a custom ROM and Radio should then fix this issue?
Actually, you know what, I think you may have a point there with it being with 3, cos I had major problems with this 3g H H+ switching issue on my galaxy s 2, it seemed to only affect some ppl on some networks, 3 being one of them, however, I also have a galaxy s 2 again now, and now, (a few months on) it seems to have fixed itself. A lot of the networks, it seems are rolling out software updates or changing actually hardware to get themselves up to speed with protocols such hspa+ so it could be something that irons itself out eventually. Lets hope.
I have the same problem. The duration of loosing network can be shortened if you set WCDMA or GSM only. In case of choosing both of them the phone switches between and can loose the network for a long time. But even if I use GSM only after loosing network it can reconnect after 1 minute and more. It annoys me in the underground - the cells are located at the stations so the phone sometimes can not connect to the next cell on the station during passing it and I have to wait for the next station for recovering of connection.
Hi, I also have the same issue.
Sometimes I turn the screen on, I see a yellow warning in the status bar and have no signal.
A few secons later the device is registering again in the network.
I observed that the signal is also not very stable. There are many signalchanges on the same position, between cdma and gprs (3g,hh,edge)
I don't think it's the Provider, because my old x10 mini pro as not the effects.
my Provider: Germany Telekom (D1)
my Firmware: 4.0.A.2.335
I have no idea what cause this problem. I hope it's the firmware. Maybe the rest can check if you got the same like me.
I have the same problem. Often the signal just goes away during conversation as if I went into a tunnel, even if I don't move at all and I am in the place where there is good signal. The call hangs and the yellow triangle appears. After 10-20 seconds, the signal is recaptured and I get full bars again. This is obviously some kind of software or hardware bug. It is as annoying as the famous noise problem and it MUST be addressed.
Yeah, I've got the same issue w/ T-Mobile in the US.
My G1 never had this problem...
This happened to me also with my ST15i mini. What I did, was i switched into manual in network selection from automatic and after which it never looses its signal.
kenchi27 said:
This happened to me also with my ST15i mini. What I did, was i switched into manual in network selection from automatic and after which it never looses its signal.
Click to expand...
Click to collapse
I'll give that a shot. Did you also select GSM only, or did you leave it as GSM/WCDMA prefered?
edit: Doesn't seem like it worked... GSM only and T-Mobile selected manually, and I still lose network sometimes for no reason.
I also having the same problem on my sk17i...
Normally once I start holding my phone, the signal will completely gone
happened to me also with my sk17i.
Same problem here with my sk17i. That's really annoying!
Carrier: Orange
Firmware: 4.0.A.2.335
OS: 2.3.3
Yup. Happened to me aswell
Sent from my SK17i using XDA App
tobasa said:
happened to me also with my sk17i.
Click to expand...
Click to collapse
No more problem since updating to latest firmware 4.0.2.A.0.42
Sent from my SK17i using XDA App
+1 for reception issues in Australia on Optus on populated areas and even in the open. Shouldn't be happening. Still on .368 but.
Same thing here in Australia. signal is weak and sometimes it gone 4 ever with the yellow sign !
3G signal drops to me!
I have an ST15 using firmware 42, I'm in Brazil!
Xperia Ray, 42-Firmware: Also bad 3g-Signal in Germany, Eplus!

[HELP!]Signal hardware/software complete freeze problem anyone?

Hi!
I have my Xperia S for about 3 months now (12w07, currently on FW .73), and I am 100% on original firmware, never rooted or flashed, never installed "pirated" software.
The problem:
My number is out of reach. Although the phone operates COMPLETELY normally (even receiving e-mail via wifi works, programs run smoothly), although the signal bars show FULL signal strength, signal reception & transmition do not work at all. When being called, it reacts EXACTLY as if I was in a NO signal area (the operator says unreachable, not switched off). This will continue until I restart the phone, otherwise the signal never comes back! Today, which was the second time that this happened to me, I was of-network for approximately 4+ hours! Darn!
Anyone else experienced this?
FYI, my SIM is an original MicroSIM, not a cut one...
Check your SIM, might be something wrong with that.

Redmi Note 3 Pro (Kenzon) disconnects from cellular network on calls CM13

Hi, if anyone has any advice, it would be greatly appreciated. I just got a Kenzo and have been having the same issue with MIUI 8 that it came with, and now with the cm-13.0-20160820-SNAPSHOT-ZNH5YAO0J4-kenzo ROM, cm-13.0-RADIOS.zip, and Radon-V3.5-Kenzo-Cm-Mm.zip I just flashed today.
I thought the new rom might fix my issue, but apparently not.
Occasionally, I can make or receive calls. Maybe 1 out of 20 times. It seems like only if the "H+" is showing when I make the call. LTE data is working fine. Usually when I make a call, or a call comes in, it goes from LTE to 3g, then the call doesn't connect. Using a app called NET Monitor, it shows the it connected to "RSSI WCDMA" during the period when the call is trying to connect.
I am in Canada, and the phone seems to support the correct bands, but this issue persists. I have tried two different sim: one from Rogers and one from Bell....both have the same issue. My samsung s6 doesnt have the issue with the same sim.
I am at a loss and would really appreciate assistance from someone who knows more than I
thanks!
If I set to 3g preferred, then run this HSPA+ Tweaker (3G booster) I can make a call. Network indicator shows H+
[ I have a connection graph, but can't post it yet since i am too new. ]
Call worked fine for this scenario
If I set to LTE preferred, I can't usually make a call. Network indicator shows LTE, then switchs to 3g. The connection graph looks like this. First green line on "serving cell" graph, call came in, worked properly. Second green line is when I called phone, but never it never rang . Shows same if you try to make a call.
[Will post graph when I can]
First call worked, second didn't in this scenario.
I think the radio is just not receiving a strong enough signal. The signal in same location, same sim, shows up much stronger with my Samsung S6.
Not sure if the phone is defective, or just not as good. Anyone ever compare WCDMA reception between these two phones?

Question Wifi Calling intermittent?

Hi
Anyone having issues where Wifi-calling seems to be intermittent?
We live in an area supposedly blanketted by reasonable 5G connectivity inside and out however for some reason (multiple networks / multiple phones) the spot we live in specfically seems to be a little dead zone so i rely on Wifi calling to backup the signal and make sure calls are good.
On my S23 Ultra the symbol for wifi calling (the phone with a wifi signal above) tends to come and go throughout the day.
The quick-access button is lit and on regardless but the symbol just comes and goes all the time.
So it's hard to know whether it's just a display problem or whether it's actually dropping the feature randomly.
Anyone experiencing similar?
Whether the device is using wifi call is dependent on a few things:
1. Your carrier settings
2. The Network strength
3. The wifi strength
Its totally normal, that your phone switches between wifi call and volte, depending on the factors mentioned above.
Your phone automatically uses the best available route for your calls
Nothing to worry about
I think it also depends on the carrier to some extent. I have both a Vodafone and an O2 SIM in my phone with wifi calling enabled. They both have roughly the same signal strength (one bar), yet the O2 wifi calling is on permanently and the Vodafone tends to come and go.
Workaround to prioritize wifi calling over mobile network?
Hi, canadian s23 ultra on telus provider , that block the option to prioritize wifi. So even if sometime I got mobile network, it kicks me out from wifi, but still the signal to weak to make any calls... I've called the tech, and this is a...
forum.xda-developers.com

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