ZU rebooting while taking phone calls - Sony Xperia Z Ultra

I have a ZU running the latest firmware as of Oct 15th and my phone has rebooted twice in the middle of a conversation. This is very disturbing.
Anyone else facing the same issue?
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Factory reset.
If that doesn't work run Sony update service and update from there.
Tapatalked from my Sony Xperia Z Ultra

Reb0rn, did u face the same issue? I updated to the latest firmware and that didn't help either.
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Related

Signal drop outs antenna is there any fix?

On 58 stock rom is 62 radio any better
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serialkillazzs said:
On 58 stock rom is 62 radio any better
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Click to collapse
I suggest that you always install the latest update if you have any problems with signal, trying another SIM card might also be a good idea.
Let me know if problems still remains.
My problem came from Tesco UK breaking sim contact when boxing there Tesco UK pre paid sim when I first opened it. The reason I noticed is that I used to be a mobile phone repair technician. So with any phone now I double check when buying as operators just reseal an already opened box.
Unfortunately I have to use blue tac now to keep pressure on sim contact, without it I have no signal
So yeah thanks Tesco UK!
Any chance in fixing high amount of noise in xperia mini pro video recording, very poor on gingerbread.
Hope ice cream sandwich update can fix it.
What happened to contract with Carl session optics does Sony not have it anymore, probably nokia?
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serialkillazzs said:
Any chance in fixing high amount of noise in xperia mini pro video recording, very poor on gingerbread.
Hope ice cream sandwich update can fix it.
What happened to contract with Carl session optics does Sony not have it anymore, probably nokia?
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Nokia has Carl Seiss optics, none of Sony Xperia smartphones have had it.
Talking more about songs older phones not xperia or Android lines
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[Q]Xperia P Touch Problem

After a usage of 5 days my Xperia P's Touch hangs Frequently and doesn't Responding at all at the time of Hanging however the other hardware buttons and OS is working fine at the same time.
Does any one face this kinda problem, i reinstalled stock ICS with Stock kernel Land relocked Bootloader still of no use,,
Hangs more when USB Data cable is attached to it using PC
please help
aamirrasool said:
After a usage of 5 days my Xperia P's Touch hangs Frequently and doesn't Responding at all at the time of Hanging however the other hardware buttons and OS is working fine at the same time.
Does any one face this kinda problem, i reinstalled stock ICS with Stock kernel Land relocked Bootloader still of no use,,
Hangs more when USB Data cable is attached to it using PC
please help
Click to expand...
Click to collapse
My touch is dead, doesnt responding at all. I will take it tomorrow to the service..
Try this
OK, try this man, it works for me. Long press power off+vol up button and hold it until it vibrates 3 times in a row. Ur phone will turn off after that. Than simply turn on ur phone. My touch works now.
I have the same problem, no response at all from touch. Tried the forced shutdown, still dead. Was your solution to replace the touch?
Its still same but I am forced to be on 3g network. It doesnt freeze on.3g network
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Tried repair phone with pc companion?
Sent from my ST27i
Still of no use
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Hello.
My name is Jacek and i'm from Poland. First of all sorry for my english
So....
I had purchased Sony Xperia P on 6th march 2013. After two days i started to have problems with the touchscreen.
After unlock with the button on the right side of my Xperia, touchscreen did not react/respond.
This fault was very disturbing.
I tried to fix it by PC Companion, but it doesn't works. After 6 days i gave my phone to repair.
After five days local Sony Service Centre gave my my phone with the note, that they installed new software (the same software as i had before i gave my phone to repair) and that the specification of my Xperia is consistent wit Sony guidelines.
Today is third day i recive my phone from Sony Service. My Xperia still doesn't work. Touchscreen don't respond i cannot do anything with my phone. It is very, very annoying. I will add, that after repair i cannot restore my settings and data with PC Companion.
What should i do? Thanks for any help.
Change network to 3g/ wcdma only ans see if it works
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aamirrasool said:
Change network to 3g/ wcdma only ans see if it works
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I cannot do this because in my localization 3G is not available.
I had the same problem, only solution was new touchscreen, it is a know issue with Xperia P, lots of similar cases in Sony's official forum as well.
They will always tell you to restore your phone with PC Companion but that will not help I your touchscreen is faulty.
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[Q] Delay after pressing sleep/wake button

Hello everyone.
I have just recently purchased the Xperia Z Ultra and it's a pretty big phone.
When I press the sleep/wake button to unlock the phone, there is a slight delay before the screen lights up. Is it normal? Do you guys have it on your device as well? I didn't expect it to be like this since Z Ultra has very powerful hardware, so I don't get why there should be a delay.
Another thing I noticed in the promo video for Xperia Z Ultra by Sony was that the settings background was like a white colour, but on my Z Ultra it has black background and text in white. I have the latest software version available.
Looking forward to your answers.
Thanks.
Have you updated to. 471 yet? There's no lag at my end.
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No lag with mine... I have seen reports of the screen turning grey for a split second before turning on tho.
if you installed bunch of crap apps it will be like that
Yes I've already updated to the latest software. The lag isn't that much but it's still noticeable, especially compared to my iPhone 5.
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I haven't installed a bunch of crap applications. I tried hard resetting it a couple of times but the slight lag is still there. Maybe an android thing?
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My ZU also has a really noticeable screen wake delay. It was similar the the Z on it's earlier firmware releases.
So I think everyone has it, they just don't realize it.
I am on firmware .471 (which is the latest I think). Pretty unhappy about this but oh well.
gunblazer said:
My ZU also has a really noticeable screen wake delay. It was similar the the Z on it's earlier firmware releases.
So I think everyone has it, they just don't realize it.
I am on firmware .471 (which is the latest I think). Pretty unhappy about this but oh well.
Click to expand...
Click to collapse
Thanks for that. I'm also on firmware 471.
So I'm assuming Sony fixed the delay in Xperia Z with a firmware update, right. Hopefully they'll do the same with the Xperia Z Ultra as well, and soon.
And I don't think the current firmware on the Z ultra is market ready yet. It's quite different from the one they showed during the launch. I'm hoping we'll get the update along with the global release (LTE) next month.
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Tarzan- said:
Have you updated to. 471 yet? There's no lag at my end.
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Click to collapse
I am seeing in the phone it said 4.2.2 where do you look at for the .471?
Also where do you go to update that?
Thank you in advance!
kingrichards said:
I am seeing in the phone it said 4.2.2 where do you look at for the .471?
Also where do you go to update that?
Thank you in advance!
Click to expand...
Click to collapse
Go to Settings - About Phone and look at build number at the end. If your last 3 digits not 471 then download Sony pc companion and update.
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Tarzan- said:
Go to Settings - About Phone and look at build number at the end. If your last 3 digits not 471 then download Sony pc companion and update.
Sent from my C6802 using xda premium
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Click to collapse
Just updated the firmware.. Don't have anymore black screen freeze hope everything is good
Screen is a bit sensitive tho
jack1192 said:
Hello everyone.
I have just recently purchased the Xperia Z Ultra and it's a pretty big phone.
When I press the sleep/wake button to unlock the phone, there is a slight delay before the screen lights up. Is it normal? Do you guys have it on your device as well? I didn't expect it to be like this since Z Ultra has very powerful hardware, so I don't get why there should be a delay.
Another thing I noticed in the promo video for Xperia Z Ultra by Sony was that the settings background was like a white colour, but on my Z Ultra it has black background and text in white. I have the latest software version available.
Looking forward to your answers.
Thanks.
Click to expand...
Click to collapse
I don't have the delay on mine, but I did watch a review on Youtube, and he mentioned that and how annoying it is. So maybe some have it and some don't.. Mine has brutal battery life, and the sim door pops open a few times a day.. others have other issues. Not sure what to say there.

[Q] Yellow cast to screen

Hi,
I just got my Ultra from Clove. My screen has a yellowish cast. Does anyone else have this? Switching off optimised backlight makes no difference, though turning brightness to full clearly helps. Thanks
AFAIK, it's fixed with firmware .526
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Thanks for the quick reply, I'm on build 14.1.B.1.510, so I look forward to an update in the UK
sman55 said:
Thanks for the quick reply, I'm on build 14.1.B.1.510, so I look forward to an update in the UK
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No worries... Hope, it helps.
Cheers,
Tarkan
I am on build. 475 in the US and have the same yellow tinge. Anyone know how I can update to the build that fixes the issue.
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Hello guys. Does the update really fixes the yellow tint? Has anyone confirmed it or it is a speculation and wish thinking?
Also, Any chance we Can modify White balance. APK from Xperia z, zl To work To our ultra? That would surely help To our situation...
Thanks
Maybe is my eyes but I am with .532 and still see yellow cast.
vatk said:
Hello guys. Does the update really fixes the yellow tint? Has anyone confirmed it or it is a speculation and wish thinking?
Also, Any chance we Can modify White balance. APK from Xperia z, zl To work To our ultra? That would surely help To our situation...
Thanks
Click to expand...
Click to collapse
Hi all,
I'm still waiting for the update to find out....having said that, it looks less yellow now after a week of use........but on the other hand I might just have got used to it. It definitely has a warmer look to the screen than my galaxy note 2 - but then that was more blue.
Once I get the update, I'll report back.
Guys, please let me know how I can update the build on my phone to get rid of the yellow color on the screen. Do any of you have the build files that you can share? Are the build files dependent on the country the phone was bought in?
Can you please help? Would really appreciate some guidance.
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Anyone..?
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Guys, all of us have faulty phones. I just bought a new ultra and the screen is absolutely clear with no yellow cast
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my zu doesn't work with pen, pencil, or stylus. Only finger

Does anyone know why my zu won't let me use anything but my finger?
my too don't worry !
it's new updates...(they fix problems with screen sensitivity)
Same here. The screen is super annoying
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CCJ22 said:
Does anyone know why my zu won't let me use anything but my finger?
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Was working fine before but now, no more. Hope they fix it soon, start to get really annoyed by those beta factory firmwares.
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same
It seems that a 3.5mm audio male works on it. I'm on the second latest sony update.
I'm on 510 and it works just fine here. Probably a new bug that got introduced in a newer update.
Work with the nail drawing tool of my wife ^^

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