Baseband problem - Xperia Z1 Q&A, Help & Troubleshooting

Can any one tell me why i am losting my signals after every few hours again and again. It happens since first day. Can any one suggest the best baseband which dont drop signals?
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I am usimg 4.4.2 bugfix update. No root fully official
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Related

Apps drawer...

I've been using the phone for like a week now..had some bugs and problems with it..the most recent one was that i can not access an app with a single tab on the app icon...i have to tap it like 7 8 times...i after playing with radio bands and stuff i somehow managed to block my phone from my network provider so i had no coverage so i resorted the phone and after the factory reset the phone was just bugless...although the app problem appeared again..
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I can access apps after searching the woth a single tap..the phone still works pretty good but the only problem is i just cant open an app with a single tap
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Is it specified to one app or all?
Try to repair the phone using pc companion.
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All apps..
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I think it has something to do with charging..coz when am plugged into the charger most app do not work..but after plugging it out and using for a while it turns to normal... What kinda sick bug is this man:S
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PeZoII said:
I think it has something to do with charging..coz when am plugged into the charger most app do not work..but after plugging it out and using for a while it turns to normal... What kinda sick bug is this man:S
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Click to expand...
Click to collapse
I am sure you are not using the charger that came with the phone.
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I think this is the XPERIA Z launcher bug I had the same after 2 days I have looked and cant find any solution so I installed the XPERIA T launcher from here.
http://forum.xda-developers.com/showthread.php?t=2021332
Hope this helps
gm007 said:
I am sure you are not using the charger that came with the phone.
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Click to collapse
Yes you are correct am using an htc charger which i used to charge my old x10
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Smithlord said:
I think this is the XPERIA Z launcher bug I had the same after 2 days I have looked and cant find any solution so I installed the XPERIA T launcher from here.
http://forum.xda-developers.com/showthread.php?t=2021332
Hope this helps
Click to expand...
Click to collapse
I dont want to unlock my bootloader...gonna wait for an official update which i think they'll release after the official release of the phone...
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No need to unlock the bootloader the xperia T launcher is. apk so you can just install it.
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Smithlord said:
No need to unlock the bootloader the xperia T launcher is. apk so you can just install it.
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Click to expand...
Click to collapse
Thanks alot )
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PeZoII said:
Yes you are correct am using an htc charger which i used to charge my old x10
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Click to expand...
Click to collapse
You really should use the Sony charger. The HTC charger may have a different output.
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Data cycle bug

My data cycle stats can scroll down till year 1970. If i wanna change the cycle date, i hv to scroll all the way down to year 1970. Im sure its a bug. ANyone know how to fix it?
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Anyone got any idea?
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Battery drain in 4.2.2 update? Personal experiences

Hello everyone.
I just received my xperia z and started to use it on the 4.1.2 JB version, surprisingly the battery was reasonable.
I was hesistant on upgrading it to 4.2.2 as the feeling of battery issues, I looked up the update and I didn't find anything with battery drain due to 4.2.2 so I updated it. Though now my battery does go much faster compared too 4.1.2
Does anyone else have this issue and personal experiences on how or if it got better after a while?
Thanks,
JJon
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J.Jon said:
Hello everyone.
I just received my xperia z and started to use it on the 4.1.2 JB version, surprisingly the battery was reasonable.
I was hesistant on upgrading it to 4.2.2 as the feeling of battery issues, I looked up the update and I didn't find anything with battery drain due to 4.2.2 so I updated it. Though now my battery does go much faster compared too 4.1.2
Does anyone else have this issue and personal experiences on how or if it got better after a while?
Thanks,
JJon
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Click to expand...
Click to collapse
Let phone discharge until it dies, then charge to 100% with phone off, then boot up and charge 1 additional hour. So battery levels will get proper calculations.
You are on non de-bloated stock right?
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Yes the 4.2.2 is completely stock no root etc. The phone just came out of the box 2 days ago. So ill let it fully discharge and then fully charge it up so the battery can read correctly
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I find my battery lasts a little better on 4.2.2 than it did before. Only marginally but it's a start. I now use a Powerbank Case just as insurance when I'm out on site with work. But I often do get two days use out of it
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Ride it like you downhill it.
J.Jon said:
Yes the 4.2.2 is completely stock no root etc. The phone just came out of the box 2 days ago. So ill let it fully discharge and then fully charge it up so the battery can read correctly
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Click to expand...
Click to collapse
If this doesn't fix your battery drain problem, rooting, deodexing of ROM and de-bloating (+ perhaps some deep system tweaking..) of bloatware will fix it.
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I got the same problem.. im 4.2.2 updated and rooted, now I deodexed my stock rom... hlp me pl
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iamkani said:
I got the same problem.. im 4.2.2 updated and rooted, now I deodexed my stock rom... hlp me pl
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Click to expand...
Click to collapse
You got an recovery image flashed on your phone?
iamkani said:
Noo
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Click to expand...
Click to collapse
Then flash one and start from there..
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Where I cn find it
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Xperia t problem

Does anybody know why my phone says this. Other xperia phones have a letter after touch firmware version but mine says not supported and what is srm validation?
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On the first question I got a half answer: don't worry, my phone shows exactly the same and nothing wrong with it. (still factory stock)
On the 2nd one: where do you get that?
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Go to dtcp-ip
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No baseband or imei.. help..

Hi! I just got my hands on a S3 LTE edition! i9305.. And the baseband shows unknown.. and there is no imei.. i have no backup of efs or imei from before.. its my freinds phone.. so is there anyway to fix this? It also reboots every 5 minutes.. if there is anyone who knows.. would be great to know..
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Anyone knows?..
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well with no IMEI there isn't much you can do..that is store on a separated chip on the motherboard of the phone...IMEI is unique to all phones...with no back-up you need to change that chip or entire motherboard...as for the baseband it's easy...flash firmware for your country from samfirmware.com
with no imei the baseband will not show up,,, take it to a service center or ask your local phone repair store
Anyway to create a imei file an enter the imei under the battery?.. it all happenden when i lost it in water for a little while.. reboots every 5 minutes and no baseband or imei.. any other solution than giving it to a service center?..
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No chance. Motherboard will have to be replaced
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nateboi81 said:
No chance. Motherboard will have to be replaced
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Click to expand...
Click to collapse
Are you sure?..
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You dropped it in water...
Unless you quickly remove the battery and leave it sitting in rice for a few days straight afterwards there is nothing you can do.
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In my case .. I leave my phone without the battery and battery cover on top of wifi router ( air hole side up) over night. And flashed stock based custom rom and worked for me... hope it will help
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Yes that can work. But unless you take out the battery as soon as it gets wet then it's all over
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