Wireless issues anyone? - Xperia Z2 Q&A, Help & Troubleshooting

I've been using my Z2 for about six weeks now and on the whole I've been very, very pleased. However, recently I have noticed that when turning it on it occasionally doesn't wake up and stays resolutely black. It doesn't hang - more it doesn't respond to the power switch or the screen.
Another issue I have is one where the wifi goes into a sort of inbetween state where it isn't on and it isn't off and won't turn on or off via settings. This clears after a reboot thankfully but it is annoying.
Can anyone shed any light on these issues at all? I'm running 17.1.A.2.55 on EE in the UK.
Sent from my Xperia 2 while my back was turned.

Related

Screen Lock Problem

I did search for this issue, but didn't find anything that matched my issue.
I have the latest Mighty Rom for Touch Pro. It's been working beautifully until recently. I usually keep my phone in my pocket with the screen turned off (locked). I've noticed lately that the screen keeps turning on without any interaction. I've gone through configurations to turn off screen blink for notifications and it still keeps coming on. This is driving me nuts, as it's draining my battery much more than it would if the screen would just stay off until I turned it on.
Any suggestions?
lauch said:
I did search for this issue, but didn't find anything that matched my issue.
I have the latest Mighty Rom for Touch Pro. It's been working beautifully until recently. I usually keep my phone in my pocket with the screen turned off (locked). I've noticed lately that the screen keeps turning on without any interaction. I've gone through configurations to turn off screen blink for notifications and it still keeps coming on. This is driving me nuts, as it's draining my battery much more than it would if the screen would just stay off until I turned it on.
Any suggestions?
Click to expand...
Click to collapse
Do you have BT on? It could be that it is waking up because of communication between the device and a BT device.
Also will wake up when switching radio antennas. Maybe you are in a low coverage zone?
Wish I saw this thread before I posted this:
http://forum.xda-developers.com/showthread.php?t=682649
Sorry about that.
I have the exact problem. But I've had it with multiple ROMs, and even the stock Sprint ROM (original, and even after the firmware update). I've been suffering with this "wake up" for well over a year now. Pissing me off.
To answer the questions above:
No, I do not have bluetooth on.
I have a strong 3-bar signal at all times (3 bars under WM 6.5). The ANT is less than 500 feet from me, up on a water tower. My phone even has a clear line-of-sight to the ANT!!!
I have same isue!!!
Same exact issue, it's been going on since the day I bought the phone, when it came out. I gave up on trying to fix it

annoying auto dim

does this happen to you?
i was playing on my tablet then the screen turn soooo dark
like as if the bright setting is turn all the way down.
i can hardly see to operate, i press the power button then again to login.
but when i check the setting it appear untouch
even after turning off auto brightness.
Mine kinda does this... mine just goes super dark, but i usually just touch the screen or the power button and it brightens back up, just like a laptop getting ready to go into sleep or hibernate mode.
It happens again after I set timeout tok 30 m3inutes
It could be bad lcd, I could not see a thing.
That would suck if it is a bad LCD, but at least it would be under warranty!
This happened to me, I think it is because I had brightness at maximum... I turned the brightness slightly down and it has happened again. But maybe that's just me?
Sent from my Sony Tablet S using xda premium
It has a light sensor and auto-adjust capability. I've notice as I move around with mine or change how room light hits it will darken or brighten. Doesn't bother me enough to go looking for some settings to disable it, but there should be some there.
I have the same problem too... everytime I turn off the screen using the power button then turn on again the screen turn very dark when the setting is set to auto brightness... it is very annoying while doing something on the S and went away from a while then come back to use it the brightness is totally so dim...
I'm sorry to say but you guys have a defective unit. Just switch it in right away.
turn off auto brightness.
I contact newegg yesterday but no reply yet.
edit: i call them via phone got my shipping label.
Turning off auto brightness doesnt help, but tuning down the brightness from max down slightly I havent had the issue.
If it happens again ill have to send this back, I feel bad loosing the official siony screen cover.
Byt loosing $30 is better than five ninty-nine us dollars.
Sent from my Sony Tablet S using XDA Premium App
The issue describedhappened to my first one which is why I know it. Just re turn it. Its not normal behavior.
It is the Android problem, not Sony. Unless you change OS....
sixthday said:
It is the Android problem, not Sony. Unless you change OS....
Click to expand...
Click to collapse
my xperia x10 2.3.3 fw and before that doesn't bug me this much.
if all 3.2 fw tablet does it then i would blames on 3x
go ahead turn on your auto brightness and browse the net in a well lid room.
I have one that is doing the same thing. Also every now and then the screen shuts off and I cant get it to come back on for awhile unless I hold power for like 30 sec. Is this a defective tablet or honeycomb 3.2? Thanks!
I'm telling you guys, I sell the things andI KNOW the issue they are taking about. We played with the settings all day and it kept happening but the issue NEVER happened to any of the other units. It's most likely a defective unit because as I said, it only happened to the one unit.
officeman said:
I'm telling you guys, I sell the things andI KNOW the issue they are taking about. We played with the settings all day and it kept happening but the issue NEVER happened to any of the other units. It's most likely a defective unit because as I said, it only happened to the one unit.
Click to expand...
Click to collapse
I agree, im exchanging mine today. Last night I charged it and it kept restart looping untill I turned it off then hooked up the power supply. Ill let ya guys know how the next one acts!
Is official sony screen cover out yet? And in which country please - i would like to get one as soon as possible. Thank you.
Sent from my Sony Tablet S using Tapatalk
D00QLE said:
the official siony screen cover.
$30 us dollars.
Click to expand...
Click to collapse
i think they are not available in Europe yet - so you should be able to sell the cover easily if you ship internationally
Sent from my Sony Tablet S using Tapatalk
Try your local Sony Centre, High Wycombe have them in stock. £24.99 i think

Xperia Z Ultra Defective Screen, DOA

I ordered an Xperia Z Ultra and received it in the mail yesterday. Unfortunately, the unit I received has a defective screen. When you press the power button, the screen backlight turns on but stays completely blank (black). Android is still running fine underneath -- pressing back/home/app softkeys gives haptic/audio feedback, pressing volume rocker gives volume up/down sounds, etc. However the screen stays completely blank and the device is unusable.
No matter how many times you press the power button, the screen still remains blank/black. The screen will only turn on correctly, randomly. On my unit, anywhere between 5 and 150 power button presses.
The screen also has a noticable yellow tinge.
Turning-off the phone first does not solve the problem. In fact, the screen is still blank when booting up (i.e.: the "Sony/Xperia" loading screen/boot animation).
Pressing the hard-off button next to the SIM card tray also does not solve the problem.
Pressing and holding Power+VolUp also does not solve the problem.
Factory-resetting via Settings also does not solve the problem.
Reflashing latest firmware from PC Companion or SUS also does not solve the problem. (Flashes correctly, but screen is still defective)
So just beware, for anyone getting a C6802. Either confirm in-person that you don't have a defective unit, or have your retailor confirm for you.
The unit I received:
- C6802 (3G-only), White
- Hong Kong, unbranded
- Manufature date: 13W29 (2013, Week 29)
- Firmware version: 14.1.B.0.471
Edit:
Other YouTubers similar/worse defect on their Xperia Z Ultra:
Both video upload by same person, it is ridiculous having two units and both is defective.
Lucky me and my friend + at least 30 users (report at Malaysia lowyat forum), our units running perfectly fine and no issue with great panel display, not as above video look that terrible and full with problem.
Got my C6802 on Friday and love it!
No screen problems at all here.
Sent from my C6802 using xda app-developers app
cmclaughlan said:
Got my C6802 on Friday and love it!
No screen problems at all here.
Sent from my C6802 using xda app-developers app
Click to expand...
Click to collapse
Seconded.
Good to hear you haven't had any problems. Hopefully this is a limited issue that won't affect a lot of units.
Unfortunately the RMA process for me will take some time, and my retailor just ran out of stock, so looks like I'll be waiting for some time before I can get a replacement.
Bought from a reputable seller?
Sent from my LT29i using Tapatalk 2
Lusterboi said:
Bought from a reputable seller?
Click to expand...
Click to collapse
Ordered from Expansys. As I'm in Japan, I ordered from their Japan division (based in Hong Kong), which is unfortunately under-staffed. Sadly, I'll have to pay additional shipping costs for the replacement, as well as paying import tax again for the replacement. Hopefully Expansys will be willing to help cover some of the extra cost, but so far I haven't heard back from them (because they're just under-staffed).
I'm facing black last night. third day of purchase. after press hard rest button solved
Sent from my C6802 using xda app-developers app
avenloh said:
I'm facing black last night. third day of purchase. after press hard rest button solved
Click to expand...
Click to collapse
Did you have the same blank screen problem as in the video?
And can you explain the "hard reset button"?
I have tried soft-off (Power+VolUp, or OFF switch located next to SIM tray), software factory reset (Settings > Backup & Reset), and Sony PC Companion/Update Service (reflash factory firmware), and my device still has the same issue.
Thanks.
fhsieh said:
Did you have the same blank screen problem as in the video?
And can you explain the "hard reset button"?
I have tried soft-off (Power+VolUp, or OFF switch located next to SIM tray), software factory reset (Settings > Backup & Reset), and Sony PC Companion/Update Service (reflash factory firmware), and my device still has the same issue.
Thanks.
Click to expand...
Click to collapse
mine is just blank. no line as second video. still can recieve call (using bluttoth). but nothing show. plug in chaarger also cannot charge. press the button beside sim card solved
I think this is a software issue (there may be multiple root causes/symptoms).
Today my display would not turn on, but the phone appeared to be working OK- audio etc.
I hooked it up to ADB and saw many messages about inability to turn the dislay on.
Did a adb reboot command and all is well.
Didn't know about the reset switch - I think that would have worked also.
So I believe the phone gets into a state where the display will not turn on (and requires a reboot). Adb reboot is not practical. A hard reset may be, but I need to carry a reset tool with me.
Had the Ultra since last Thursday (so 5 days and 1 occurence). Not sure on root cause (I have a Pebble watch and it's battery also drained at the same time and the Ultra was in a state where it was not charging properly).
Will see if it happens again.
Sent from my SGH-I467M using xda app-developers app
aleekwen said:
I think this is a software issue (there may be multiple root causes/symptoms).
Today my display would not turn on, but the phone appeared to be working OK- audio etc.
I hooked it up to ADB and saw many messages about inability to turn the dislay on.
Did a adb reboot command and all is well.
Didn't know about the reset switch - I think that would have worked also.
So I believe the phone gets into a state where the display will not turn on (and requires a reboot). Adb reboot is not practical. A hard reset may be, but I need to carry a reset tool with me.
Had the Ultra since last Thursday (so 5 days and 1 occurence). Not sure on root cause (I have a Pebble watch and it's battery also drained at the same time and the Ultra was in a state where it was not charging properly).
Will see if it happens again.
Sent from my SGH-I467M using xda app-developers app
Click to expand...
Click to collapse
The phone auto restart when you take out your SIM card also.
Good to know - BTW taking out the SIM tray/card seems very difficult (at least for me) - any hints on how to do this quickly would be appreciated.
Thanks
Sent from my SGH-I467M using xda app-developers app
aleekwen said:
I think this is a software issue (there may be multiple root causes/symptoms).
Today my display would not turn on, but the phone appeared to be working OK- audio etc.
I hooked it up to ADB and saw many messages about inability to turn the dislay on.
Did a adb reboot command and all is well.
Didn't know about the reset switch - I think that would have worked also.
So I believe the phone gets into a state where the display will not turn on (and requires a reboot). Adb reboot is not practical. A hard reset may be, but I need to carry a reset tool with me.
Click to expand...
Click to collapse
Thanks for your input.
I think there are different problems that cause the same/similar symptom.
On my device, no matter if I reset (via Power+VolUp or reset button), or adb reboot, or factory reset, my screen still turns on blank, as I described in the first post. Even when turning on the phone, the Sony boot animation does not display -- only a blank screen.
FYI: You can also power-off the device by holding Power+VolUp until it vibrates 3 times (same as the reset switch next to the SIM tray).
aleekwen said:
Good to know - BTW taking out the SIM tray/card seems very difficult (at least for me) - any hints on how to do this quickly would be appreciated.
Thanks
Sent from my SGH-I467M using xda app-developers app
Click to expand...
Click to collapse
Another correct way is press that red button near SIM card there.
Edited first post with a video of my device.
Note: received the phone yesterday on the 6th, no screen issues were present. It's a white unit.
Had this randomly start happening to me today while my phone was plugged into my car radio. The phone was laid flat. I hooked the phone up to the PC and reinstalled the latest firmware again and it seemed to clear it. I didn't have the issue on the prior firmware, but who knows.
Edit: still randomly happening and I can't recreate the issue. Screen goes off or I turn the screen off and it may or may not come back up blank on the first press. Upon startup the phone displays properly, the Sony logo and animation are visible. It just randomly produces a black screen when turning the screen back on. I think this is a software issue for me as it didn't happen until today and isn't consistent.
I received my Xperia Z Ultra this morning from Negri Electronics, which was shipped direct from Hong Kong, and it has the/similar screen issue. If the phone powers off for any reason, either by way of power management timeout or by pressing the power button, then it's dead. For me, no illuminated black screen and no OS sounds, just dead. I can reset via volume up + power or the side reset switch but yeah...
For what it's worth, the phone arrived in a retail Xperia box but the retail box was not wrapped in any kind of cellophane. I just lifted the lid off to a phone. Is that normal for Hong Kong packaging or did someone decide to sell a known defect as new retail?
Taco Jackson said:
I received my Xperia Z Ultra this morning from Negri Electronics, which was shipped direct from Hong Kong, and it has the/similar screen issue. If the phone powers off for any reason, either by way of power management timeout or by pressing the power button, then it's dead. For me, no illuminated black screen and no OS sounds, just dead. I can reset via volume up + power or the side reset switch but yeah...
For what it's worth, the phone arrived in a retail Xperia box but the retail box was not wrapped in any kind of cellophane. I just lifted the lid off to a phone. Is that normal for Hong Kong packaging or did someone decide to sell a known defect as new retail?
Click to expand...
Click to collapse
Mine arrived from a different retailer in the same condition. The phone itself and accessories were sealed of course.
Sent from my C6802 using xda app-developers app
Also, my version of the power off death is only when on battery. If the phone is charging, I can power it on and off no problem. Each time I do, I hear the audible power off click. However, if the phone is unplugged and running on battery, then most every time I power it off, I hear no audible click - just the screen goes black silently - and it's frozen/off. This is different than the original poster in that it seems his device is still running and the screen may be "on" but black. Mine, power off and it's completely dead until reset - but only on battery (regardless of battery level obviously). If its useful or relevant to anyone, I'm not using a sim at all. I have tried with a sim in, but it still exhibited the freeze behavior.

[Q] Touch screen problems

Something strange is happening last 3 weeks. Every time i turn off, than on my phone, touch is not working, all buttons are forking(including digitizer). When that happens, I need to turn it on and off again, and then it works
What that could be ? I tried flashing another roms, but problem is there again. I switch batteries a lot, and that is very annoying.
If you've experienced this on different roms, than it a hardware problem. I can only guess here but it could be a loose display connector or the display/digitizer showing it's age.
As far as I see - have three options here - get the phone repaired / get used to this glitch or get a new device.
Sent from my GT-I9100 using Tapatalk

Samsung Galaxy Alpha Screen problem

Hello everyone, this happened just today. I was using my galaxy alpha AT&T and all of a sudden the screen starting glitching and jumping. I was quite shocked because I bought this phone a few days ago. Although the phone is not brand new but the vendor told me that it's completely fine. Anyhow, I pressed the power button and waited for a few seconds then turned the screen back on. This time the screen was fine but after a few seconds of usage the problem started again. Now i read on the internet that this is not a screen issue but rather its associated with phone's charging port but I'm not sure. And another interesting thing is that the screen shots are completely fine and there are no signs of glitching or flickering. Secondly also note that I was experiencing the famous "cannot charge because battery is too cold!" message and I believe that this problem is also associated with the charging port. So please if anyone is familiar with this problem then guide me. Here a video link that shows what's happening to my screen
https://www.google.com.pk/url?sa=t&...iApUmAM4lJrHPxV6Q&sig2=gXDieE4_dAV6uMn5D-OazA
If you have the screen on the lowest bright setting the flickering will continue. Once I put it back on auto or at a slightly higher level the flickering went away. That's at least what fixed mine.
shawnk320 said:
If you have the screen on the lowest bright setting the flickering will continue. Once I put it back on auto or at a slightly higher level the flickering went away. That's at least what fixed mine.
Click to expand...
Click to collapse
I also had this problem before the only way to fiix this was to set the mimimum brightness to 10 in gravitybox xposed module also the dimming of brightness so that it wont flicker
sfaizan said:
Hello everyone, this happened just today. I was using my galaxy alpha AT&T and all of a sudden the screen starting glitching and jumping. I was quite shocked because I bought this phone a few days ago. Although the phone is not brand new but the vendor told me that it's completely fine. Anyhow, I pressed the power button and waited for a few seconds then turned the screen back on. This time the screen was fine but after a few seconds of usage the problem started again. Now i read on the internet that this is not a screen issue but rather its associated with phone's charging port but I'm not sure. And another interesting thing is that the screen shots are completely fine and there are no signs of glitching or flickering. Secondly also note that I was experiencing the famous "cannot charge because battery is too cold!" message and I believe that this problem is also associated with the charging port. So please if anyone is familiar with this problem then guide me. Here a video link that shows what's happening to my screen
https://www.google.com.pk/url?sa=t&...iApUmAM4lJrHPxV6Q&sig2=gXDieE4_dAV6uMn5D-OazA
Click to expand...
Click to collapse
I've never had encounter this kind of problem. Your problem is too severe. I think it is related to the hardware.

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