Service disabling when screen is off? Rx antenna? - Xperia Z3 Q&A, Help & Troubleshooting

I have recently bought a seller refurbished (said both refurbished and new on eBay) Z3 and I've been using it for about 5 days now and it was working like new for the first few days. I turned on stamina mode once which as you know restricts data when the screen is off and now when the screen is off for extended periods of time I turn it on and it shows data and zero bars. It takes a few minutes to reconnect and it kills my battery. I've also noticed while using it there will be periods where it shows reception but Web pages won't load. When I turn on and off airplane mode it fixes it temporarily. I tired changing the preferred networks and it didn't fix it. I went to the service menus and to change the rx diversity but when I set it to late it says error please check settings. I tried changing the network perfered settings and trying again but it didn't help. What's going on?

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Atrix 2 known wifi problems?

I have an Atrix 2. It has been replaced twice by AT&T due to this problem. I have factory reset each phone and tried every battery mode, data saver, sleep policy and wifi channel.
The problem:
The wifi turns off by itself! not sleep, off! As in the checked box is unchecked. The phone does it during use and when not being used. The timing between instances is random. The wifi sometimes stays on for hours. Other times it wont last five minutes. I have 4 other wifi devices connected by wifi to my secured router.
Note: I travel across the country for work and the problem occurs at airports, hotels, mcdonalds, ect.
I have called Motorola and their only option is to send it to the with no replacement. I could use some help. I have been searching online and others with this problem dont persist, they simply state that unsecuring their router fixed the problem. That is not an option for me as the routers are not mine.
Any input will be greatly appreciated.
Hi, I recently noticed this problem started after I installed the ATT Smart Wi-FI app. Mine will connect then turn off, wait a second turn back on then I get the WIFI networks avail message and I check it and it's not connecting to the network til I tell it too then it will stay connected all day.
I"ve had my atrix 2 for about a little over a month. It's doing the same thing. Wifi will randomly shut off. I have to go into the settings to turn it back on. It will work fine for a little while then just shuts off again. Does anyone know if this seems to be hardware or software related. I've tried different apps and WiFi sleep settings to no avail. I really like the atrix but this is kind of annoying.
I have the same issue also, except I have top reboot my phone for wifi to work again.
Sent from my MB865 using XDA App
i have the same problem, it's not my wifi connection, but the actual wifi setting turns off whenever i turn off my screen and yes, i've set the wifi sleep policy to "never", so that's not the problem. i've also tried "never when plugged in" and "when screen turns off" and i still get the same problem. i was thinking about going to at&t and asking them about it but decided to come here first.
(a white iphone 4 is looking better and better ) can anyone help?
I had this problem but after I disabled the power saver option under battery and data (set it back to performance) it went away and Wi-Fi works perfect.
Tried different battery saver settings as well, nothing changed.
Sent from my MB865 using XDA App

2.20 "3G/4G connectivity fixes"

So the 2.20 OTA update released claims that it provides 3G/4G connectivity fixes... Does anyone know if this solves the occasional loss of connectivity (mobile network says "disconnected," "disconnected due to the network being unavailable," or "turning on" endlessly) requiring airplane mode toggle problem?
I discovered within the first few weeks of owning the phone (including 2 swaps which all did the same thing) that any time I leave a major area with good coverage my phone consistently does not work (texts do not send, phone calls cannot be placed or received, mobile network says disconnected or turning on), even though sometimes I may have 1-3 bars and the 4G symbol. Airplane mode only sometimes fixes the problem, and then it may or may not happen again within a few minutes if I am in the same area.
It's driving me crazy and I don't want to send it in and receive a refurbished phone... For all I know I could get one of the same early release devices that has the exact same problem.
I was at a friend's house on a nearby island this past weekend and the phone simply would not work. Nothing. I had 2-3 bars and "4G" THE WHOLE TIME. Upon leaving the island and returning home it is now working.
i never had a connection drop after updating to this rom.its awesome and battery life is insane.

[Q] Verizon Galaxy Note 10.1 Stuck in Half-Airplane Mode

I have been using tasker on my tablet for about 2 years now, and all of a sudden, for the last week or two, it has been acting differently. I have a tablet installed in the dash of my car and use tasker to turn off all radios (mobile network, wifi, bluetooth, etc..), turn off the screen, etc.. when the car turns off (no power), and then turn all of that stuff back on when the car starts (power). The problem is that all of a sudden, after a couple of on/offs of the car, if I use the airplane mode on/off, it gets stuck and I have to restart the device (basically, in the notification panel settings, the airplane mode is half lit up, like it is in the process of turning off/on). If I use the mobile network on/off, it will show that it is picking up the network, but I cannot connect to the internet (shows the bars are full, for instance, like it detects the network, but I can't access any data). Also, to go along with these two things, I used to, when leaving my car parked overnight, come back to maybe a couple percent loss of battery life... now, it is dropping significantly (probably 30+% or so each night).
Anyway, I have been searching around online for a while now and I cannot seem to find an answer anywhere. I installed a new SIM card from Verizon, have factory reset it, and nothing works. If I disable the cell data disconnect (either mobile network or airplane mode), when I come back, it shows the signal bars with a small "x" in it and no connection. Either way, only a restart fixes the connection.
Attached is a screenshot of my devices info if that helps as well as a picture of what the "half stuck" airplane mode looks like.
Any help/info is greatly appreciated... thank you!
- Adam

Wi-Fi/LTE doesn't start working until phone is on for some time

Hello everyone,
I have had my E6653 since mid October, and it was working well, however once I flashed a Taiwanese 32.0.A.6.152 firmware I have this bug. Let me describe what actually happens:
1. All stamina modes turned on (clock, extended standby, extended usage)
2. Start using the phone after it sat idle for some time, sometimes even 10 minutes is enough
3. Whatever app you were in, if it requires internet connection, it won't work. Switch apps, try to use internet connection and it still won't work.
4. Wait for somewhere around 15 seconds, and internet connection kicks in.
It happens when I'm both on LTE and Wi-Fi. I have already tried repairing my phone, and flashed 3 different firmwares (CE, Taiwan, UK), but nothing helps. I have seen someone on reddit with a similar problem, but for them it only occurred when they were connected to Wi-Fi.
Has anybody else experienced this? If yes, were you able to fix it?
Thanks for your time!
I was able to fix it by waiting 15 seconds.
Seriously, turning back on the radios and acquiring an IP address isn't instant. Just be happy you have a phone with Stamina mode available if you want it.
ricodredd said:
I was able to fix it by waiting 15 seconds.
Seriously, turning back on the radios and acquiring an IP address isn't instant. Just be happy you have a phone with Stamina mode available if you want it.
Click to expand...
Click to collapse
I don't think you understood what the problem is. I have LTE and Wi-Fi turned on all the time, never turn either off. Stop using a phone for 10 minutes, turn the screen back on, unlock it, try to use internet connection and then it fails. It hasn't happened on the previous version of the firmware when I had all stamina modes turned on, and it certainly isn't normal. It's a bug, and I was asking if anyone knows the fix. Waiting 15 seconds is not one, unfortunately.
Well one of us isn't getting the issue for sure and I don't think it's me. However, I've been wrong before
You said:
"1. All stamina modes turned on (clock, extended standby, extended usage)"
but also:
"I have LTE and Wi-Fi turned on all the time, never turn either off."
Stamina mode says about Extended standby: "Saves power when the screen is off by temporarily disabling Wi-Fi and mobile data".
These two statements are in disagreement.
So you put the phone down for a few minutes (presumably the screen goes off too), then Stamina mode kicks in and turns off Wi-Fi and mobile data. You wake up the phone after 10 minutes or so => you need to wait for radios to fire up and acquire IP address.
I'm not seeing anything wrong or unexpected with this behaviour...
I've noticed this more aggressive stamina mode myself. In all honesty I can't see a problem with it, it's putting the phone into deep sleep a lot faster (10 seconds or so in most cases) than it was on the firmware before. If it is happening across many different firmwares it is safe to assume that's how it is meant to be functioning. If, in the next firmware, it goes back to how it was it was a bug.
This behavior is different to earlier Xperias so it surprised me as well. In addition the phone shows you still connected to the network which makes it more difficult to determine.

Ulefone Armor 8 Pro - strange data bahaviour

Hi, recently I bought Ulefone Armor 8 Pro for my wife, and there is a strange problem with it. When she enables the GSM data, ther switch lights up, but there is not internet connection (also the arrows near the signal icon do not appear). She then has to go to connection settings, and change the preferred network from 4G to 3G. It then starts to work fine, but when she disables the data for the night, and enables it the next morning, there is no internet again. She then has to go to the settings again, and change the preference back to 4G, and it starts working until she turns the data off.
Turning the data off and on again after a short time does not cause any issues.
If the data starts working, the network preference can be changed around and everything keeps working. The issue appears only after disabling the data for a long time (I don't know how much).
I filed a problem report with Ulefone a week ago, but they didn't answer. Does anyone have an idea how to solve this?
I have also this model, and no problems.
Check if there are any ROM updates available.

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