Active LTE cause poor WIFI speeds - Xperia Z1 Compact Q&A, Help & Troubleshooting

Hello
I have strange problem with WIFI quality while LTE connection is active.
Once I disable 4G it goes back to normal.
Anyone noticed this ?

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Wifi bug

Hey guys,
Is there a bug since the last OTA update with the wifi not letting the 3G connection access data when wifi is on? Seems like I have to turn off wifi for the 3G to pull data.
Its not an issue when I have a strong wifi signal, but when its weak, or non-existent, the phone does not seem to switch over to the stronger 3G signal.
It was definitely not like this before the OTA.
Thanks in advance for any advice!
I am pretty sure when you are connected to wifi, it kills the 3g because the wifi can replace any 3g data connection
Veereihen6 said:
Hey guys,
Is there a bug since the last OTA update with the wifi not letting the 3G connection access data when wifi is on? Seems like I have to turn off wifi for the 3G to pull data.
Its not an issue when I have a strong wifi signal, but when its weak, or non-existent, the phone does not seem to switch over to the stronger 3G signal.
It was definitely not like this before the OTA.
Thanks in advance for any advice!
Click to expand...
Click to collapse
It has always been like this, wifi will always overwrite 3g
tkrechel said:
It has always been like this, wifi will always overwrite 3g
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Click to collapse
I understand that wifi is a faster connection than 3G, but when there isn't a wifi connection, or there is a super spotty wifi signal, the phone doesn't switch over to 3G anymore.
hmmm. I am pretty sure mine turns off when when I am out of range. But if I am still close to the router it kinda poops out and sticks on wifi. I will check when I am out later.
The only suggestion I have is to put a wifi power widget on one of your screens to easily switch off if you are on a spotty network
elegantai said:
hmmm. I am pretty sure mine turns off when when I am out of range. But if I am still close to the router it kinda poops out and sticks on wifi. I will check when I am out later.
The only suggestion I have is to put a wifi power widget on one of your screens to easily switch off if you are on a spotty network
Click to expand...
Click to collapse
yep, that's what I've resorted to doing for now. I'm 99% certain that it wasn't like this before that last OTA update. The only reason I ever had to turn wifi off before was when I was using my bluetooth headset.
Here is a little test you could try. IMO it should check to see if you dont fall back to 3G when you lose wifi signal.
Have wifi turned on and connected. Go to setting-wireless & networks-wifi settings. Where it says wifi network press the network you are connected to and press forget. This will disconnect you from that network and it should fall back to evdo. If it does then it is working properly.

Desire 2G/3G problems with mobile data

I am having issues connecting to mobile data when I switch from 2G to 3G (WCDMA). I can be connected to data via Edge or GPRS on 2G and when I switch to 3G data drops (as expected) while the phone reconnects using 3G but data wont reconnect until I power off and back on again ?
Before you ask, I switch to 2G while at home because the 3G signal is bad and the phone doesnt seem to want to switch down to 2G by itself when there is a really weak 3G signal.
Anyone else have these issues or even better any solutions ?
cheers,
Seedar.

[Q] poor 3G signal + call drops - Any solutions?

Hey,
I've recently got my DHD. Although i still have that call drops like i had it with my HTC Hero.
At home we have a bad 3G signal. That's why i set my DHD to GSM Auto (PRL).
It still uses 3G and there are no more than 2bars (signal strength). However i also see my DHD on 3G with no bar (signal strength).
Sometimes when i make a call (1 of 5-10Calls) the phone starts on 3g, after some time it hands over to 2g and the call is dropped.
Do you know is the call drop at 3g to 2g handover the providers fault or is it the handset?
My best solution would be to adjust the GSM Auto (PRL)-3G-Treshold , so it would require a better 3G signal and would'nt switch to 3g at home at all. Is this possible?
Another solution would be if i make a call, phone should switch to 2g automatically. Seems more realistic!?
If those ways are not possible i can just use the workaround to use WIFI at home and use "toggle 2g if wifi"
Thanks in advance!
Have you tried to fix it to GSM only without PRL? This is how I've gotten rid of my phonecall dropouts on 3G.
Sent from my Desire HD using XDA App
Ya ofc, but the coverage is only bad at home.
That means once i leave home i want to use 3G.
Switching everytime i leave home is no solution.
But thanks anyway!

[Q] No / Intermittent network signals?

Hello,
My grand duo is getting no signals at all if I disable 3G. However, start to get intermittent signals if 3G is enabled. Any help?

use only 2g and 4g (3g to 2g drops calls)?

Is there any way (app or otherwise) to disable 3g but keep on lte? When I'm at work (a lot) I would rather have the option to use just those 2 but no 3g . Is there any way this is possible? I'm on slimkat so this might be a question to ask in the general android, but I never get answers when I ask there, so I"m trying here.
whenever I go from 3g to 2g it drops signal for a second and drops calls, but when going from lte to 2g it doesn't (and without 3g the calls should default to 2g and I wouldn't drop them on campus) so if anyone knows why the signal drops that could also solve my problem

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