Poor reception? - Xperia Z3 Compact Q&A, Help & Troubleshooting

Compared to my Moto X (2013), the Z3 compact is getting very poor reception. Has anyone else experienced poor reception with the Z3c? I am on T-Mobile.

Same here. I posted earlier about this.

Kev1000000 said:
Compared to my Moto X (2013), the Z3 compact is getting very poor reception. Has anyone else experienced poor reception with the Z3c? I am on T-Mobile.
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Same here, also T-mobile.

Are you guys only looking at bars or at the actual numerical signal strength in dBm?

phositadc said:
Are you guys only looking at bars or at the actual numerical signal strength in dBm?
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I have 1 bar and like 80 dBm

80 dBm? That's a fantastic signal by any measure. No idea why that would be 1 bar.

Yeah, 80 is pretty good. I have 3 out of 5 bars on my Moto X, it's at 99 dbm.

Mu signal stregnth is 100 dbm but showing 2 bars. My HTC one is showing the same but with all 5 bars. I just know something is up with the calibration of this phone. Other than that, its been great on LTE.

Compared to my former Xperia U, Xperia M it's way better on the Z3C and even slightly better then my wife's Xperia SP. This applies to both, GSM as well as UMTS networks on ePlus in Germany.

I'm on T-Mobile USA, and when I set my Nexus 5 directly next to my Z3C, they report exactly the same signal strength. So I suspect it's just an UI thing, although it's certainly possible that the Moto X just has particularly incredible reception.

It's not that the Z3c is particularly poor. The Moto X is just particularly good. A number of reviews commented on how good signal strength is on the X.

I'm on tmobile usa as well. Although it doesnt show the signal strength to be as strong, it is still getting a great signal

I'm on T-mobile UK and the signal reception is the same as my previous ZL which was in turn better than a Galaxy S4, HTC one (M7), and an LG G2.
I'm particularly picky about such things as the signal where I work is terrible.

Related

Any signal issues?

Hey guys, I'm planning on buying this phone and I was just wondering if there was any signal issues. I currently have an S3, and I get fairly weak signals depending on what area i'm in and it really blows.
External antennas with active tuning and send/receive diversity.
It's better than the GS3 in reception.
Yes there is a specific problem with 4g signal experienced by me and others.
The 3g and gsm coverage are excellent but there is no doubt that 4g reception is terrible on this phone. It drops calls far to quickly when switching to 3g in low signal areas; whilst this does not happen when using other 4g devices.
The thread for signal is here:
http://forum.xda-developers.com/showthread.php?t=2201898
The signal quality on this phone is excellent in my opinion and just as good as my old Lumia 920 can't vouch for 4G yet as it's not available where I live but cannot fault it.

Poor LTE signal

Having returned the T-Mobile N900T Note 3 due to signal issues, preferably with LTE, I am quite disappointed with the AT&T variant. My AT&T Note 3 sits on -98-105 dbm, where the iPhone 5S sits on -93dbm signal strength. If I take my iPhone 5S to a lower level of my home, the signal decreases, but does not drop LTE. The Note 3 switches to HSPA. While this isn't a huge concern, as we have wifi, I am still left uncertain with the Note 3's signal strength. In places with weak AT&T LTE, the Note 3 struggles. It seems to be about 5-10dbm off, compared to the iPhone.
This is running the latest NB4 update. I'm gonna probably put the phone away for a while until it gets kitkat to see if anything improves then.
Nobody has had a poor experience with the Note 3's LTE signal strength?
Well considering that you had and returned the T-Mobile Variant for signal issues, and now are complaining of the same exact thing on the AT&T variant...
have you considered that it might not be the providers fault?
Maybe it is the area you live in. You never did specify what network you are using the iPhone on.
It could be the devices themselves... Rather unlikely, but possible. So blame the manufacturer
You are also not clear at all what service provider you were using with the T-Mobile or the AT&T variants. That can be changed.
So... Ultimately this thread is completely useless because it really provides no information for anyone to base a response on.
Sent from my SM-N9005A using XDA Premium 4 mobile app
i have an AT&T Note 3 and an iPad Mini both on my plan, and i do feel that the iPad consistently displays a stronger signal. when i check, they are either equal or the iPad shows stronger, but almost never does the Note 3 show a stronger signal. hard to say which actually works better, and it could be just the way that the 2 OS's report signal strength, but i kind of feel the iPad will load data better when i'm in a weaker signal area. Nothing real empirical here but just a feeling..
i haven't taken notice of comparisons when dropping from LTE to HSPA.
graydiggy said:
Well considering that you had and returned the T-Mobile Variant for signal issues, and now are complaining of the same exact thing on the AT&T variant...
have you considered that it might not be the providers fault?
Maybe it is the area you live in. You never did specify what network you are using the iPhone on.
It could be the devices themselves... Rather unlikely, but possible. So blame the manufacturer
You are also not clear at all what service provider you were using with the T-Mobile or the AT&T variants. That can be changed.
So... Ultimately this thread is completely useless because it really provides no information for anyone to base a response on.
Sent from my SM-N9005A using XDA Premium 4 mobile app
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You are right, I do need to be more clear. When using the T-Mobile Galaxy Note 3 on AT&T, my LTE signal was very poor in areas where the iPhone 5S on AT&T would be average to strong.
When using the T-Mobile Galaxy Note 3 with T-Mobile's service, I found LTE to be fine.
When using AT&T's Note 3 with AT&T service, I find the LTE signal to be about 10dbm off from using the iPhone 5S on AT&T's service. In places where my AT&T LTE signal was about -90-105dbm, the AT&T Note 3 using AT&T's service would sit at about -100-110dbm; considerably a weaker signal.
For what its worth, I do not have HSPA+ issues using AT&T Note 3. HSPA+ signal is always stronger.
MattMJB0188 said:
You are right, I do need to be more clear. When using the T-Mobile Galaxy Note 3 on AT&T, my LTE signal was very poor in areas where the iPhone 5S on AT&T would be average to strong.
When using the T-Mobile Galaxy Note 3 with T-Mobile's service, I found LTE to be fine.
When using AT&T's Note 3 with AT&T service, I find the LTE signal to be about 10dbm off from using the iPhone 5S on AT&T's service. In places where my AT&T LTE signal was about -90-105dbm, the AT&T Note 3 using AT&T's service would sit at about -100-110dbm; considerably a weaker signal.
For what its worth, I do not have HSPA+ issues using AT&T Note 3. HSPA+ signal is always stronger.
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How about adding some speed test results of different devices in different locations of your home.
YrrchSebor said:
i have an AT&T Note 3 and an iPad Mini both on my plan, and i do feel that the iPad consistently displays a stronger signal. when i check, they are either equal or the iPad shows stronger, but almost never does the Note 3 show a stronger signal. hard to say which actually works better, and it could be just the way that the 2 OS's report signal strength, but i kind of feel the iPad will load data better when i'm in a weaker signal area. Nothing real empirical here but just a feeling..
i haven't taken notice of comparisons when dropping from LTE to HSPA.
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Yes, I have noticed this as well.
440bro said:
How about adding some speed test results of different devices in different locations of your home.
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Definitely. So your telling me that you get perfect reception with LTE on your note 3? Even the device at the store had a lower LTE signal than my iphone 5S.
A lot can contribute to bad reception.
Area of service, land size and shape, being inside or outside, poor antenna on the device, the radio on the device, interference from other devices, peak hours, possible physical damage to the device, etc. Not every device is the same and each device will report differently.
For instance, my wife has the Note 2 on AT&T her signal never fluctuates from 2 bars while we are at home. She has OK LTE strength. On my Note 3, jumps from 2 bars to 4 bars with about the same speeds on LTE. If we walk right down the road out of the neighborhood, we both have full signal, but my phone smokes hers in speed tests.
Sent from my SM-N9005A using XDA Premium 4 mobile app
graydiggy said:
A lot can contribute to bad reception.
Area of service, land size and shape, being inside or outside, poor antenna on the device, the radio on the device, interference from other devices, peak hours, possible physical damage to the device, etc. Not every device is the same and each device will report differently.
For instance, my wife has the Note 2 on AT&T her signal never fluctuates from 2 bars while we are at home. She has OK LTE strength. On my Note 3, jumps from 2 bars to 4 bars with about the same speeds on LTE. If we walk right down the road out of the neighborhood, we both have full signal, but my phone smokes hers in speed tests.
Sent from my SM-N9005A using XDA Premium 4 mobile app
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I know all of that. I think you are missing the point though. Why would one phone get considerably less signal strength in the same location? Why does my iPhone 5S hold onto an LTE signal with -115dbm, while the Note 3 on AT&T only gets HSPA+ in the same spot? Its generally weaker.
MattMJB0188 said:
I know all of that. I think you are missing the point though. Why would one phone get considerably less signal strength in the same location? Why does my iPhone 5S hold onto an LTE signal with -115dbm, while the Note 3 on AT&T only gets HSPA+ in the same spot? Its generally weaker.
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Because the 5s has more antennas and also has a aluminum frame so it boosts the signal a lot.
Sent from my SAMSUNG-SM-N900A using Tapatalk
jetlitheone said:
Because the 5s has more antennas and also has a aluminum frame so it boosts the signal a lot.
Sent from my SAMSUNG-SM-N900A using Tapatalk
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Hmmm, I didn't think of that. But the GS4 pretty much got the same signal as my iPhone 5S. Weird.
MattMJB0188 said:
Hmmm, I didn't think of that. But the GS4 pretty much got the same signal as my iPhone 5S. Weird.
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That's strange the note 3 has newer antennas than the s4 so definitely weird. I get amazing signal with mine. much much better than the nexus 5 I sold it for and almost equal to the 5s I had before
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Signal strength

Can those who have the device already comment on your reception strength compared to your previous devices?
I have a Moto X, and I used the have the M7. Signal strength of the X is a consistent 10-15 dBm better than on the M7.
Just wondering if anyone can chip in and comment on this. If signal strength is about the same as the M7, I may have to go with the S5. I tether for my home internet so every little bit matters.
Sent from my XT1056 using Tapatalk
dpwhitty11 said:
Can those who have the device already comment on your reception strength compared to your previous devices?
I have a Moto X, and I used the have the M7. Signal strength of the X is a consistent 10-15 dBm better than on the M7.
Just wondering if anyone can chip in and comment on this. If signal strength is about the same as the M7, I may have to go with the S5. I tether for my home internet so every little bit matters.
Sent from my XT1056 using Tapatalk
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I have a moto X as a test device. Its not activated, but sitting right next to the New One I get the following:
New One: -110 dbm
Moto X: - 108 dbm
Evo 4G LTE: -106 dbm
Hope that helps.
webdude12 said:
I have a moto X as a test device. Its not activated, but sitting right next to the New One I get the following:
New One: -110 dbm
Moto X: - 108 dbm
Evo 4G LTE: -106 dbm
Hope that helps.
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It does, thank you.
For me it makes the difference between hanging onto LTE and dropping down to 3G.
Sent from my XT1056 using Tapatalk
dpwhitty11 said:
It does, thank you.
For me it makes the difference between hanging onto LTE and dropping down to 3G.
Sent from my XT1056 using Tapatalk
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Hopefully some others will chime in with their results.. because being worse then the evo lte is not looking good.
That was my main complaint, it would always prefer 3g over lte. Switched to the One and it was much better. Although the fcc filings showed the M8 being even better then the M7. so this is weird.
regalpimpin said:
Hopefully some others will chime in with their results.. because being worse then the evo lte is not looking good.
That was my main complaint, it would always prefer 3g over lte. Switched to the One and it was much better. Although the fcc filings showed the M8 being even better then the M7. so this is weird.
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Yeah from what I've read the Evo LTE had horribad reception.
Another big thing is that the M8 and S5 have Spark... And since I live in Houston, I'll be able to take advantage of that, which is huge.
Sent from my XT1056 using Tapatalk
Yeah, im in kc.. So i can't wait to see the difference between spark and their normal lte as well.
Unfortunately i have to wait until next week before they'll put in my order.. Something about only online and telesales until next week, which doesn't handle business accounts. Wait is killin me.
webdude12 said:
I have a moto X as a test device. Its not activated, but sitting right next to the New One I get the following:
New One: -110 dbm
Moto X: - 108 dbm
Evo 4G LTE: -106 dbm
Hope that helps.
Click to expand...
Click to collapse
Was this on 3G? The Evo is notorious for having a subpar LTE radio, while the Moto X is known to have a good/strong LTE radio. Your numbers contradict those facts, unless these numbers represent 3G signal. Otherwise, it sounds like the M8 is bad in the RF field.
Ascertion said:
Was this on 3G? The Evo is notorious for having a subpar LTE radio, while the Moto X is known to have a good/strong LTE radio. Your numbers contradict those facts, unless these numbers represent 3G signal. Otherwise, it sounds like the M8 is bad in the RF field.
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No this is in LTE. I have modified my back on my EVO LTE to make it have a great connection to the antenna every time. Guess I should have posted that.
My old HTC One here at home would connect to LTE and drop to 3G my new one is on LTE and has not dropped down.
Sitting in my living room and seeing the LTE and Spark icon on statusbar, only one bar but it nice to see. It spins as well.
regalpimpin said:
Yeah, im in kc.. So i can't wait to see the difference between spark and their normal lte as well.
Unfortunately i have to wait until next week before they'll put in my order.. Something about only online and telesales until next week, which doesn't handle business accounts. Wait is killin me.
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I am on a Sprint business account and was able to order on launch day. I didn't order until about 5pm CST here in KC, so it won't arrive until Friday. It's in Lenexa right now and THAT is killing me!
Signal strength on my M8 is consistently 8-10 dBm higher than on my Jewel, sitting next to each other, as reported by SignalCheck Pro.
Captain_Throwback said:
Signal strength on my M8 is consistently 8-10 dBm higher than on my Jewel, sitting next to each other, as reported by SignalCheck Pro.
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That's not good :/. Are you comparing the LTE dBm?
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On my M7 I would bounce between 3g/4g all day at work...My M8 stayed on 4g all day at work today
Sent from my 831C using XDA Premium 4 mobile app
Just got to work and LTE signal is 15dbm lower(better signal). I have never seen -82 dBm on the OG One. Pretty much had LTE/SPARK the whole 1.5 hours to work.
cincyelite22 said:
That's not good :/. Are you comparing the LTE dBm?
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How is that not good?
And yes, this is on LTE.
Captain_Throwback said:
Signal strength on my M8 is consistently 8-10 dBm higher than on my Jewel, sitting next to each other, as reported by SignalCheck Pro.
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This is one of the things that I wanted to know the most. Do you mind setting the phone to CDMA only to compare 3G? LTE at my house is really poor, so I'm just hoping for a better 3G signal for the times when I'm in the area, but not indoors to use WiFi.
Captain_Throwback said:
Signal strength on my M8 is consistently 8-10 dBm higher than on my Jewel, sitting next to each other, as reported by SignalCheck Pro.
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Me too. I am happy about that.
Higher dBm means the signal is weaker. Maybe I miss understood you and you meant higher as in the dBm was lower.
Sent from my SM-N900P using xda app-developers app
My new M8 definitely seems to hold onto LTE better than my EVO 4G LTE did, it's always saying LTE in parts of my house where the old phone would drop to EVDO. In fact, except for forcing it to EVDO once, I haven't seen it drop there at all.
I am seeing strange issues with Wi-Fi though. The 2.4GHz Wi-Fi radio seems to work fine, but at 5GHz things get lossy. Using Signal Check, I see the link speed up around 300-500Mbps and RSSI varies between -55 dBm to as high as -31 dBm, however, if I were to setup a ping between my laptop on the same network and the phone I see upwards of 50% packet loss. Moving the phone physically I can almost plot out what seem like signal nodes and antinodes. My AP here is an Asus RT-AC66U, and the M8 is the only 802.11ac capable device I believe I've ever tried connecting to it. My older phone and my laptop connect to it at 802.11n just fine.
I'm wondering if anybody else is seeing 5GHz issues, I'll continue to try diagnosing things to see if it's a problem other than with the phone.

Wifi and mobile networks connections...

Definitely seeing a drop in connection strength for both wifi and 4g. Coming from a s5 the signal strength (while connected to the same wifi) is about one bar less. Anyone noticing it?
plenty of threads already on this
verified not as good an antenna as LG G2
I took both phones side by side and the Turbo had NO RECEPTION, while the LG G2 had 1 bar and 3G. Very unscientific, but proof to me which had the better antenna inside in a very marginal reception area.
Interestingly at another location where I could not get data outside. The Turbo seems to be able to pull a 4G data connection.
I was out with my family last night. I looked at the signal for a Moto X 2013, a Moto X 2014, and the Turbo.
Moto X 2013 -110dB
Moto X 2014- 111db
Droid Turbo - 109db
just a reminder that bars are not absolute, and aren't calibrated from one phone model to another.

Cellular strength and throughput

We know how much you like to stream, ahem, "videos", and so cellular data is mega-important. Rate this thread to express how you think the LG Nexus 5X's LTE performs. A higher rating indicates that it's fantastic: throughput is excellent and signal strength is top-notch.
Then, drop a comment if you have anything to add.
how is GPS??
I was worried about how this thing performed on verizons network. It has 4g in places I have never seen before and 1x is amazingly sensitive
I'm with Eastlink in Canada, which uses Bell's towers with free roaming. I had to fight with the S4 every damn day to get signal, it dropped every time I turned off the screen and I had to manually reconnect. All. The. Time. The 5X hasn't dropped service once since I've had it.
I've only used mine on T-Mobile but i've had fantastic success with it. I plan on popping in a friend's verizon SIM just to see how it picks up as I switched to T-mobile when i got this phone.
On Three UK 99mbps down, 30mbps up. Coverage is good & radio recovers well to loss of signal.
Network speed in my hometown, a small town in northern Greece, on the superb Cosmote network! Excellent phone, excellent network, excellent coverage (3G averages 25 Mbps).
picture share
It's working places my HTC One M7 had a lot of trouble with. I might actually stay with Sprint now. Yes, I actually said that.
On T-Mobile in the Bay Area, and I actually think its poor. The signal is OK out doors but indoors it sucks. The Moto X in doors kills the Nexus 5x in that area. But then again I've always heard that Motorola still makes the best radios....
Tomyk89 said:
I've only used mine on T-Mobile but i've had fantastic success with it. I plan on popping in a friend's verizon SIM just to see how it picks up as I switched to T-mobile when i got this phone.
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falcon26 said:
On T-Mobile in the Bay Area, and I actually think its poor. The signal is OK out doors but indoors it sucks. The Moto X in doors kills the Nexus 5x in that area. But then again I've always heard that Motorola still makes the best radios....
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I don't know if it's T-Mobile or what but I haven't been getting good speeds lately in central California. And it's not just with the Nexus 5X. I started seeing slow downs towards the end of my 2013 Nexus 5 use. I thought it may be the old bands in the Nexus 5 and T-Mobile was pushing their newer ones more but I'm seeing the same slow speeds on my Nexus 5X. Maybe T-mobile just changed something in my area to where it has affected me in a bad way but almost every time I do a speed test, I get between 2-5Mbps. Sometimes 10-15 if I'm lucky. And my bars are full. I used to get good speeds in my area but not lately. It hasn't really affected my internet usage too much but it's just sad to see those speeds.
No problems with cellular strength, very reliable
What about VoLTE support for Jio 4G in India?
Sent from my Motorola MotoG3 using XDA Labs
I'm using the Nexus 5X with Three in the UK. Compared with the original Moto X, the HTC One M8, it's decent - it doesn't cling on to a signal as aggressively as the Moto X but it's much quicker jumping up from HSPA to LTE. Better than the One M8...
Jio 4G VoLTE is Supported.
kulankit97 said:
What about VoLTE support for Jio 4G in India?
Sent from my Motorola MotoG3 using XDA Labs
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Jio 4G & VoLTE supported and works without any issues. Currently on Nougat 7.0 with Kali NetHunter ROM. It doesn't show any VoLTE icon but I/OG calls work as normal without the need of any additional Jio apps.
---------- Post added at 03:01 AM ---------- Previous post was at 02:58 AM ----------
haki.gr said:
Network speed in my hometown, a small town in northern Greece, on the superb Cosmote network! Excellent phone, excellent network, excellent coverage (3G averages 25 Mbps).
picture share
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Damn! That is some amazing speed you got there. :good:

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