Random reboot... - Xperia Z1 General

Hi i've a 6903, and after 1 or 5 or 10 hours It reboot... Anyone happened? There's a solutions? Thanks and sorry forse my bad english
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Do a Factory Reset.

eclyptos said:
Do a Factory Reset.
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I've do It, And I've flashed two different firmware with the flashtool, with one the data mobile Not work, and the problem with the other it's remained... Sorry again for my english
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Andrinez said:
I've do It, And I've flashed two different firmware with the flashtool, with one the data mobile Not work, and the problem with the other it's remained... Sorry again for my english
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Check if your sim card is good inserted my friend had the same problem with his Z1
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I've cut the sim by miself, I don't thinked this...
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That Will be your problem. Never cut sim but visit your mobile operator for original micro sim.

BLEK0TA said:
That Will be your problem. Never cut sim but visit your mobile operator for original micro sim.
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It is strange because in other 5 device it don't caused a problem
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BLEK0TA said:
That Will be your problem. Never cut sim but visit your mobile operator for original micro sim.
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That's misleading, it's the same SIM, designed differently. I had self-cut SIM for a long time - it's not a problem. Your phone must have some hardware failure, like with PCs. It might be the CPU or the memory. I'd take it to customer service to try get it repaired / get a replacement.

IaguCool said:
That's misleading, it's the same SIM, designed differently. I had self-cut SIM for a long time - it's not a problem. Your phone must have some hardware failure, like with PCs. It might be the CPU or the memory. I'd take it to customer service to try get it repaired / get a replacement.
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This is not a good advice. Before anything he have to replace the Sim to the real MicroSIM. If you did that and is working do not matter at all. Is not the right thing to do just to avoid 5 bucks. If the problem will persist with the new microSIM then yes, it will be a problem, but first have to be replaced the Sim.
---------- Post added at 12:54 AM ---------- Previous post was at 12:54 AM ----------
Andrinez said:
I've cut the sim by miself, I don't thinked this...
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Click to collapse
Get a new Micro SIM.

Does your phone get hot? Sometimes a rogue app can keep your CPU at max speed and it will make your device hot, thus phone will reboot by itself.
Just my 2 cents

it could be some app tat causes all the memory(RAM) to be used up.
anyway i also do cut the SIM card to microSIM myself. but of cos if u cut it rite, shouldnt hav any problem.

The problem is not the sim that I've cutted, tonight I've taked off my sim, and the phone hai restarted... The problem, i think is th battery or the motherboard....
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Andrinez said:
The problem is not the sim that I've cutted, tonight I've taked off my sim, and the phone hai restarted... The problem, i think is th battery or the motherboard....
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Not necessarily, are you on latest firmware 136?

eclyptos said:
Not necessarily, are you on latest firmware 136?
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I've upgraded my phone now... I hope is only a software bug, but i don't believe...
When it's cold reboot, when i put it in my pocket not do that, not ever but it do... It's so strange
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Andrinez said:
I've upgraded my phone now... I hope is only a software bug, but i don't believe...
When it's cold reboot, when i put it in my pocket not do that, not ever but it do... It's so strange
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Click to collapse
After the Update to .136, reboot your phone once and then make a factory reset to clean up the installation then all should be fine.

eclyptos said:
After the Update to .136, reboot your phone once and then make a factory reset to clean up the installation then all should be fine.
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I've do a factory reset, but The problems remain... I hope with the assistance...
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Related

Need Help !!!

My phone has stopped working 3G for one day until now( i've used for 1 month) even I try everything such as active, deactive ,reboot, up rom,...but it didn't work at all. I can't see the signal of 3G on the top bar. I don't know the reason is. Could you please help me ?
(I use Vodaphone carrier network in Australia)
Factory reset?
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I've done that but it did not work even though in stock rom or cook rom.
Could also possibly be a problem with the network... Masts do break down. Have you tried your sim in a different phone?
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Isadora said:
Could also possibly be a problem with the network... Masts do break down. Have you tried your sim in a different phone?
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Click to collapse
It Damn well might be a Network issue. I'm Not from Australia, but I've been having the Same issue as you for at least a Month! Call your phone company and Complain... I Did and at least got Credited $!
Good Luck!
I have just try a different sim card in my galaxy s2, surprisingly icon 3G appear. I think the problem with the Vodafone sim card. OMG. Vodafone carrier. Thanks all you guys very much.
3G back.hehe
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Nexus 4

First iam not a pro.
In a sim free phone I get a message says:
There is no sim.
I tried to change sims to other providers and still the same.
Does any one know if I need to chenge the options or else?
Thank you!
Sent from my GT-I9300
Reboot after putting the SIM in.
Sent from my Nexus 4 using xda premium
Thank you very much, I'll tryed it.:thumbup:
Sent from my GT-I9300
Tiandihui said:
First iam not a pro.
In a sim free phone I get a message says:
There is no sim.
I tried to change sims to other providers and still the same.
Does any one know if I need to chenge the options or else?
Thank you!
Sent from my GT-I9300
Click to expand...
Click to collapse
Not sure about your issue but you might want to edit your post title if you want more help. That one is not very descriptive of your problem.

[Q] Korean G2 in North America

Hey Gang,
Seriously considering a G2, specifically the Korean version with the Micro Sim and removal battery. Anyone with a Korean G2 in North America? Any hiccups to report?
cashshadow said:
Hey Gang,
Seriously considering a G2, specifically the Korean version with the Micro Sim and removal battery. Anyone with a Korean G2 in North America? Any hiccups to report?
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Click to collapse
I don't but I came over from Germany with an European phone. Actually no limitations besides only working on Att frequencies and only up to 4G but no LTE. For you is important to check on the Korean versions basebands and if it uses American bands and importantly if you they are for T Mobile or ATT.
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dante501 said:
I don't but I came over from Germany with an European phone. Actually no limitations besides only working on Att frequencies and only up to 4G but no LTE. For you is important to check on the Korean versions basebands and if it uses American bands and importantly if you they are for T Mobile or ATT.
Sent from my LG-E980 using xda app-developers app
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Click to collapse
Is the boot loader locked on yours?
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irish.iolar said:
Is the boot loader locked on yours?
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I got the Korean version of the g2and I'm not able to set the boot loader...also in in Korean and I would like to do a hard reset on it...any ideas of how can I manage that?
F320K got mine 1 week ago .
Live here in Italy . Perfect !!!!! Setup right bands from service menu .
The best phone ever
irish.iolar said:
Is the boot loader locked on yours?
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
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Well I don't know about the G2 and boot loader. I ment that I came over from Germany with a international device. Not a G2 a Sony xperia z and it works but like I said if u get an non USA phone u need to check on the basebands so u know with what carrier it will work. Lte most likely won't work in the USA.
Sent from my LG-E980 using xda app-developers app
Am using the f320s well everything seems fine just need to root it and freeze all the telco bloatwares.
Sent from my LG-F320S using xda app-developers app
milkinc said:
Am using the f320s well everything seems fine just need to root it and freeze all the telco bloatwares.
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LTE bands probably won't work. Nor the tv antenna. Wondering if i made the right move here, just to get a micro sd and removable battery. Time will tell.
milkinc said:
Am using the f320s well everything seems fine just need to root it and freeze all the telco bloatwares.
Sent from my LG-F320S using xda app-developers app
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what service are you using? Att? Tmobile?
josecordobes said:
I got the Korean version of the g2and I'm not able to set the boot loader...also in in Korean and I would like to do a hard reset on it...any ideas of how can I manage that?
Click to expand...
Click to collapse
Go to settings> right most tab> scroll down to the keyboard button>press the top most button to change language.
For factory reset: settings> right most tab> privacy> backup& reset> factory data reset
Sent from my LG-F320L using XDA Premium 4 mobile app
Zentac said:
Go to settings> right most tab> scroll down to the keyboard button>press the top most button to change language.
For factory reset: settings> right most tab> privacy> backup& reset> factory data reset
Sent from my LG-F320L using XDA Premium 4 mobile app
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thanks for your answer,but the phone its blocked with a screen pattern and i only can access to the guest mode.
its there a way of doing a hard reset,flashing the phone or something like that?im running out of ideas.
JMM2009 said:
what service are you using? Att? Tmobile?
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Well I am from Singapore, SEA region and my teleco is Starhub which uses the frequence 1800 for both LTE and 3G, thus it works perfectly.
---------- Post added at 05:33 PM ---------- Previous post was at 05:26 PM ----------
josecordobes said:
I got the Korean version of the g2and I'm not able to set the boot loader...also in in Korean and I would like to do a hard reset on it...any ideas of how can I manage that?
Click to expand...
Click to collapse
Well I am using the F320S, no boot loader and for hard reset I normally just push and hold the power button till it resets or just remove the battery.
---------- Post added at 05:38 PM ---------- Previous post was at 05:33 PM ----------
josecordobes said:
thanks for your answer,but the phone its blocked with a screen pattern and i only can access to the guest mode.
its there a way of doing a hard reset,flashing the phone or something like that?im running out of ideas.
Click to expand...
Click to collapse
I believe this should solve your problem
http://forum.xda-developers.com/showthread.php?t=2432476
wolfgart said:
F320K got mine 1 week ago .
Live here in Italy . Perfect !!!!! Setup right bands from service menu .
The best phone ever
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Click to collapse
Can't get my korean model working in UK ! What bands did you change to. And did you change anything else in service menu.
Sent from my HTC One using XDA Premium 4 mobile app

SIM Problems

I searched around but couldn't find anything to solve my problem.
I just bought a LG G2 D800 from Ebay, clean ESN and I double checked it and it was clean.
I unlocked it in CyanogenMod which only required 1 unlock code, but then reverted to stock 4.2.2 restore where there's 5 different locks? When I try to tap each it displays, "Your phone is not personalized".
I slotted my MetroPCS SIM in and the phone displays "Phone not allowed MM #6" on reboot.
Those are all the steps I have done so far to try and use my MetroPCS SIM. This is my first time ever using a GSM Phone, I have no idea what to do now. I've tried to look around Google and XDA and can't find my problem. There was no errors on the AT&T SIM.
looks like a carrier simlocked phone. Is it carrier branded?
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bachera said:
looks like a carrier simlocked phone. Is it carrier branded?
Sent from my LG-D802 using xda app-developers app
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Click to collapse
Its att.
and your sim?,might just need to go bavk to store to get a new sim if its also att lol,otherwise search how to unlock it. plenty ways I think.
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bachera said:
and your sim?,might just need to go bavk to store to get a new sim if its also att lol,otherwise search how to unlock it. plenty ways I think.
Sent from my LG-D802 using xda app-developers app
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Click to collapse
I know. I did unlock it, got like 5 codes but only had to enter one. Now i get this message.
on strech here, dont know, but factory reset maybe?
Sent from my LG-D802 using xda app-developers app
bachera said:
on strech here, dont know, but factory reset maybe?
Sent from my LG-D802 using xda app-developers app
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Click to collapse
Factory reset has done nothing.
Basically, I unlocked the phone, but it isn't unlocked.
Is there any way to reset the lock? Or something of that nature.

Random power off

My wife's s5 turns off randomly. About 5 times a day.After the battery problems regarding the lollipop update this is the second big problem. Already cleaned the cache in recovery. Doesn't help. Does anyone Know what tot do?
Greetings GMV
Sent from my A0001 using XDA Free mobile app
gmvisser1977 said:
My wife's s5 turns off randomly. About 5 times a day.After the battery problems regarding the lollipop update this is the second big problem. Already cleaned the cache in recovery. Doesn't help. Does anyone Know what tot do?
Greetings GMV
Sent from my A0001 using XDA Free mobile app
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Click to collapse
I had same problem..I sent it for repairs as I want them to pay for the mistakes they have made with such an update.
HellRoot said:
I had same problem..I sent it for repairs as I want them to pay for the mistakes they have made with such an update.
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Did you get it back? And did they repair it. Maybe we'll bring it back too.
Sent from my A0001 using XDA Free mobile app
gmvisser1977 said:
Did you get it back? And did they repair it. Maybe we'll bring it back too.
Sent from my A0001 using XDA Free mobile app
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Click to collapse
Hi again
We have not got it back yet... I will let you know when that happens. I don't know that they will do but hopefully it is a battery problem.. If it has worked for us I will let you know what they have done.
I think they will have it for another week
gmvisser1977 said:
Did you get it back? And did they repair it. Maybe we'll bring it back too.
Sent from my A0001 using XDA Free mobile app
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Bring it back... Mine works like a charm now... No problems in any way and battery life is normal.

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