yashsingh1/xdaforums huggingface dataset:
[Sony Xperia P, U, Sola, Go] Gaurav8180:
try flashing again using flashtool via flashmode. to enter into flashmode , hold power down with volume down button while plugging into the usb until the connectivity sound doesnot come up. hope this helps.
[Sony Xperia P, U, Sola, Go] noim:
Downloading it now ...will report back when done playing around with it ...

---------- Post added at 09:35 AM ---------- Previous post was at 09:33 AM ----------

Flash it in Flash Mode ..not Fastboot ....Fastboot is used to flash Image files & Kernels .....
[Sony Xperia P, U, Sola, Go] ilgreco112:
Just updated, all stock FW and Kernel, 6693 in AnTuTu, up from 5896 on .544 fw
[Sony Xperia P, U, Sola, Go] kudaj316:
i>yes im using this firmware

ii>well from what i noticed since .544 the wifi is already fixed, and its a bit smoother, but yet everybody in here doesnt know the real changelog coz sony didnt released it

iii>i dont know either...but i guess it is, it was released at PTRCB.

iv>i dont know bout locked bootloaders bro, coz mine is unlocked, sorry.
[Sony Xperia P, U, Sola, Go] SquaDrive:
err.. can i upgrade to this ftf without losing my programs??

i mean no wipe data..

i got an error using flashtool, it said

30/008/2012 17:08:51 - INFO - Device connected in flash mode

30/008/2012 17:08:52 - INFO - Opening device for R/W

30/008/2012 17:08:52 - INFO - Start Flashing

30/008/2012 17:08:52 - INFO - Processing loader

30/008/2012 17:08:52 - INFO - Checking header

30/008/2012 17:08:52 - INFO - Ending flash session

30/008/2012 17:08:52 - ERROR -

30/008/2012 17:08:52 - ERROR - Error flashing. Aborted

what does it mean?
[Sony Xperia P, U, Sola, Go] kudaj316:
corrupt download i guess...:eek:

edit: do a nandroid backup first, before flashing. then flash the firmware and wipe everthing, flash custom kernel with autoroot and recovery, then go to recovery, backup and restore then go to advance restore, restore data, thats it
[Sony Xperia P, U, Sola, Go] seky0405:
Just download Central Europe version from PutLocker with ultra speed as free user. Just want to shere with you that this host is great for free users... :) No advertising mean...
[Sony Xperia P, U, Sola, Go] lhphong:
I think you get me wrong. I installed this ROM first via PC Companion. Then I unlocked my bootloader, flash the custom kernel and stuck at Sony Logo.

//ok nvm after my 3rd try it's fine now, lol. Thanks for your help anw
[Sony Xperia P, U, Sola, Go] Irseq:
If you get header error just try again. Happens.
[Sony Xperia P, U, Sola, Go] Lauri455:
That "POWER OFF" app seems interesting. Anybody knows why this thing is even in a consumer build?
[Sony Xperia P, U, Sola, Go] uroif:
After using Flashtool and "Root with Restore by Bin4ry v17", I can confirm that if you didn't have a unlocked bootloader XP, there's no way to root it with firmware 6.1.1.B.1.54.
[Sony Xperia P, U, Sola, Go] jioleight:
so we'll just have to wait for next version of "root with resotre by bin4ry"?
[Sony Xperia P, U, Sola, Go] bed-boy11:
You can root it like this.

http://xdaforums.com/showthread.php?p=34814346
[Sony Xperia P, U, Sola, Go] dewanshu93:
It worked for you???? I have also flashed without wiping data but root was not there
[Sony Xperia P, U, Sola, Go] Irseq:
I think that's cause I installed Sliding kernel.
[Sony Xperia P, U, Sola, Go] S suxeN:
Did that too. bin4ry root didnt work, sliding kernel has autoroot
[Sony Xperia P, U, Sola, Go] holigan360:
update successfully but I have two problems when I set the camera for photo's take me out 8p black and the other problem is that I can not with FlashTool roootear or any thing I need urgent help thanks
[Sony Xperia P, U, Sola, Go] uroif:
It means that you have unlocked bootloader your XP?
[Sony Xperia P, U, Sola, Go] Windows X:
Does anybody manage to get small apps working with this ROM? I tried flashing small apps after stock ROM and stuck on bootloop. I did according to http://xdaforums.com/showthread.php?t=2002348
[Sony Xperia P, U, Sola, Go] techno-np:
Benchmark on latest firmware...!!! Everything stock.. Locked BL.
[Sony Xperia P, U, Sola, Go] sau94:
Error ??

I tried flashing the ftf with flashtools but i get an error. Here's the log :

30/019/2012 22:19:49 - INFO - Preparing files for flashing

30/019/2012 22:19:58 - INFO - Please connect your device into flashmode.

30/020/2012 22:20:04 - INFO - Device connected in flash mode

30/020/2012 22:20:05 - INFO - Opening device for R/W

30/020/2012 22:20:05 - INFO - Reading device information

30/020/2012 22:20:05 - INFO - Phone ready for flashmode operations.

30/020/2012 22:20:05 - INFO - Start Flashing

30/020/2012 22:20:05 - INFO - Flashing loader

30/020/2012 22:20:06 - INFO - Loader : null - Version : R5E003 / Bootloader status : ROOTED

30/020/2012 22:20:06 - INFO - Flashing kernel.sin

30/020/2012 22:20:08 - INFO - Flashing fotakernel.sin

30/020/2012 22:20:09 - INFO - Flashing modemfs.sin

30/020/2012 22:20:10 - INFO - Flashing partition-image.sin

30/020/2012 22:20:10 - INFO - Ending flash session

30/020/2012 22:20:10 - ERROR - ERR_SEVERITY="MAJOR";ERR_CODE="0076";ERR_DYNAMIC="failed to set ta config";

30/020/2012 22:20:10 - ERROR - Error flashing. Aborted

30/020/2012 22:20:11 - INFO - Device connected in flash mode

30/020/2012 22:20:12 - INFO - Device disconnected

Looks like most of the stuff got flashed but when I switched on the phone it had gone bunkers and lagging a lot and the firmware was still the old one :(

Restored back the old firmware for now :highfive:
[Sony Xperia P, U, Sola, Go] DiukPL:
Does someone have the camera issue? On 8MP auto, when you want to snap something in the dark with flash, sometimes a half of picture is black. It looks like saving picture is not synchronized with flash snap or some light messurement problem i don't know. I've checked all kind of variation in options - still no result. On 6MP everything works fine.

Ofcouse we speak about everything stock, locked bl.

Example

Here you have 6MP auto (everything ok) - http://i48.tinypic.com/2vjzbly.jpg

And here 8MP auto (bug) - http://i46.tinypic.com/17zuk5.jpg

With root it will be no problem (app switch and ta-da), but in locked bl...
[Sony Xperia P, U, Sola, Go] Half Alive:
Is it a generic world firmware ?
[Sony Xperia P, U, Sola, Go] musvi:
are u using Pimp my rom tweak?
[Sony Xperia P, U, Sola, Go] dewanshu93:
I have the same issue.... :confused:
[Sony Xperia P, U, Sola, Go] DiukPL:
nope
[Sony Xperia P, U, Sola, Go] ThePeloto:
+1
[Sony Xperia P, U, Sola, Go] florin80:
I have the same issue. But i don't know if this bug was before updating to new firmware. till now i only used 6MP normal.
[Sony Xperia P, U, Sola, Go] josie87:
Even it's odd:

You guys should know that there are no bugs, only features. ;)
[Sony Xperia P, U, Sola, Go] Lauri455:
Huh, anybody else losing radio signal (not FM radio) after some time? Enabling airplane mode doesn't do the job, since I can't disable it... Rebooting helps, but it happens again.
[Sony Xperia P, U, Sola, Go] jahadmajeed:
Flashed the Generic World ftf... before flashing, checked the keep data and app log buttons in flashtool... Did not lose any apps or data, but lost root....

Tried rooting by bin4ry method, did not work. Since I had unlocked bootloader, I flashed Sliding_XP kernel and achieved root! But the display went black and did not change even after rebooting. So flashed ThP kernel v5 and now display is normal... will try Sliding_XP again to see if the display problem was caused by the kernel....
[Sony Xperia P, U, Sola, Go] ilgreco112:
I have same problem
[Sony Xperia P, U, Sola, Go] SquaDrive:
so, i've flash this ftf..

and get root with sliding_xp kernel..xD

and my data is restored completely..

thx to olujnap316..xD

and i bother to know..

what is factory setting service? anyone get it??

it will pop up a big "POWER OFF" button..@@
[Sony Xperia P, U, Sola, Go] jahadmajeed:
Have you guys tried clearing cache or data in settings>apps>all>camera ? or maybe disabling the app and enabling it?
[Sony Xperia P, U, Sola, Go] xferianeov:
after flashing sliding v4 kernel screen is black, i wiped cache and dalvik stil the screen is black

thp works fine tho
[Sony Xperia P, U, Sola, Go] kudaj316:
Glad i helped you bro....:good:
[Sony Xperia P, U, Sola, Go] DiukPL:
Yes. Nothing happens. Still bug.
[Sony Xperia P, U, Sola, Go] kudaj316:
Mines working fine, what kernel are you using?

Edit: try to wipe cache, and dalvik cache in recovery
[Sony Xperia P, U, Sola, Go] Kuresz:
I flashed this FW and i dont have bugs with the camera. No root, locked bootloader.
[Sony Xperia P, U, Sola, Go] DiukPL:
Read carefull - no unlocked bl, full stock.
[Sony Xperia P, U, Sola, Go] kudaj316:
Sorry bro,but its impossible to have bugs like that on full stock at the first place,
[Sony Xperia P, U, Sola, Go] DiukPL:
Well, you have proofs on previous page unfortunatly :( Hope Sony noticed that, and bring some hotfix
[Sony Xperia P, U, Sola, Go] techno-np:
Yup there is the flash bug in the 8 mp option....6mp works fine..
[Sony Xperia P, U, Sola, Go] lhphong:
I've been having this problem since .544 FW, couldn't find any report about that so I thought it was just me :eek:
[Sony Xperia P, U, Sola, Go] sau94:
Instructions!

Ok my bad before flashing update FlashTools or it will give errors.

So here's what I did:

1)Backup current ROM using CWM

2)Update flashtools

3)Flash the ftf (tick everything including wipe data)

4)Switch on the phone and let it boot (1st time will take few minutes)

5)The turn it off and flash kernel of ur choice (I am using sliding v4)

6)Go to recovery and flash ONLY DATA using advanced restore

7)Switch the phone back on let it upgrade.

8)Restart the phone again (To get rid of that pesky factory reset service)

9)My phone is like it was be4 but with the new firmware now :victory:

I juz could not get the small apps working :(
[Sony Xperia P, U, Sola, Go] avrojyoti:
Root with LOCKED Bootloader

Guys,please somebody tell me how to ROOT with LOCKED BL in this firmware ???

i updated it...and i am so annoyed without root :/

---------- Post added at 01:33 PM ---------- Previous post was at 01:29 PM ----------

bro...are the contacts in the "data" of nadroid backup ?

tell me how to get the contacts with advanced restore option ??
[Sony Xperia P, U, Sola, Go] sau94:
Hmmm not sure because I use Google Sync but I think they are there in the "data" of nandroid backup :fingers-crossed:
[Sony Xperia P, U, Sola, Go] rootkited:
anyone else received a new update notification ?i just got the popup saying that this update can only be made using the PC
[Sony Xperia P, U, Sola, Go] DiukPL:
EDIT: Unfortunattly problem is still here, after a wile :\ but you can try it anyway

For those who have still camera error - try this, surprisingly after such a procedure, it appears that the measurement of light somehow stabilized, at least it does not take half of the picture. Anyway a hotfix would come in handy

-Turning on the camera application

-While still in the application press home button and go to settings-applications-camera application, turn off the camera (turn off, do not hold your app, and then clear the cache and restart the phone right away

-After reboot, turn on the camera application

Let me know if this gave you anything. Peace out.

Maybe now Sony has released a revised update to the PCC with fixes, so if someone flash from .544 in the first hours after the appearance, you may want to go back and udpate again with PCC
[Sony Xperia P, U, Sola, Go] dimon2242:
Need PC, if bootloader is unlocked!

With locked updating process from FOTA
[Sony Xperia P, U, Sola, Go] rootkited:
bootloader was unlocked, i wasn't able to update...now i got back to the locked BL but the update is not showing up again :(
[Sony Xperia P, U, Sola, Go] Gaurav8180:
I think this fw has not been declared in market. Might be it is meant for future update

---------- Post added at 07:35 PM ---------- Previous post was at 07:33 PM ----------

Just flashed this firmware and rooted it by flashing sliding kernel v4-a no overlock, till now everything seems smooth:D
[Sony Xperia P, U, Sola, Go] stole38:
LOL , i had 7000+ on .544 , same on the new one with SlidingXP kernel

try , pimp my rom ;)
[Sony Xperia P, U, Sola, Go] acervenky:
Thanks For The Links.

Updated My SXP To Latest FW.

Not Rooted(Pure stock :D)

Regards,

acervenky,

XPT
[Sony Xperia P, U, Sola, Go] oportista17:
To root this new FW, just have to follow this steps, it works ;D

http://xdaforums.com/showthread.php?t=2023756

And don't forget to thank him ( naruto20007 )

Know problems for me while doing this:

Screen goes strange (black and unable to quiet read the icons and text)

Really slow
[Sony Xperia P, U, Sola, Go] jahadmajeed:
Which kernel are you using? I had the same problem after getting root with custom kernel (Sliding_XP) I flashed ThP kernel v5 and now no problem with screen. I think if we reflash kernel the screen issue will be solved.
[Sony Xperia P, U, Sola, Go] dewanshu93:
I didnt faced any such complications...

I flashed .54 without kernel booted normally checked root not worked

then rooted with root with binary method booted normally and got rooted

flashed .54 kernel and booted normally with root :angel:
[Sony Xperia P, U, Sola, Go] Gaurav8180:
For me the auto root feature of this sliding XP kernel v4-a no overclock worked, had to do nothing except flashing this kernel, and the new fw was rooted:D:D
[Sony Xperia P, U, Sola, Go] kudaj316:
I know ull be updating your rom with this firmware, hihi
[Sony Xperia P, U, Sola, Go] oportista17:
At the moment:

u8500-49020908-P2H_ECO1

kernel: 3.0.8+ compiled 15 Oct

fw: 6.1.1.B.1.54

Rooted :)
[Sony Xperia P, U, Sola, Go] beeman:
I have the same problem... But only with the stock-roms. I use FreeXperia a couple of days and it did not have that bug feature :cyclops:

---------- Post added at 12:25 AM ---------- Previous post was at 12:05 AM ----------

Lol, after updating I see a 'toast' message saying:

"factory startup service please wait for power off button"

Any clues on what that means or does? Anyone else has this? :)
[Sony Xperia P, U, Sola, Go] SquaDrive:
after the update..

i notice a few things that is new..

like the application (wisepilot, explore, chrome is automaticly included)

and in settings, under NFC settings..

that is a wallet..

then i'm starting to think..@@..what for??
[Sony Xperia P, U, Sola, Go] chewdaniel:
well considering NFC's original intent was for wireless tap-and-go payments, i don't see what's the problem with it... :)
[Sony Xperia P, U, Sola, Go] Gaurav8180:
Yes same happened to me, you just let it complete, it will take time around 5 min. After completion two option will appear

Power off and use phone. Press power off and then reboot.it will then boot normally and then you can start using your phone.:D
[Sony Xperia P, U, Sola, Go] Toon10:
I have this bug in instagram and google translate, there is a black stripe on the left of the screen and on the right its normal. I don't have this problem on the standard camera app.
[Sony Xperia P, U, Sola, Go] SquaDrive:
another question please..xD..

after i upgrade this FW, my build number in my phone is 6.1.1.B.1.54..

but when i check for an update, there's an update for 6.1.1.B.1.54..

so i got confused..@@.

when i check in PC companion, it said that my phone is still in 544 FW..

what is this??@@

PS :: i'm using link from P4R14H PL..

and it's 300+ MB
[Sony Xperia P, U, Sola, Go] DiukPL:
Any news about this bug with camera? Changing camera app from previous roms have no results. Any idea how to fix it? Or its maybe stock kernel issue.
[Sony Xperia P, U, Sola, Go] dhansiddh:
Initially when i installed the firmware from official sony pc companion i was not facing any kind of this bug but yesterday when i tried to root my phone with the method in this foum http://xdaforums.com/showthread.php?t=2023756 after reflashing back the 6.1.1.B.1.54 kernel i started to face this problem then i solved it by making a ftf of the lastest firmware which i have downloaded initially from pc companion and then by flashing only kernel from it and the problem was gone.....also i have a LB and i don't know how to extract the kernel from the whole ftf otherwise i would have uploaded it fr u.....hope this info might help u
[Sony Xperia P, U, Sola, Go] S suxeN:
stop camera, deactivate it, delete data. reboot. 8MP shot is fixed. just dunno for how long!
[Sony Xperia P, U, Sola, Go] DiukPL:
It doesnt work mate i've Try this long time ago. Even flash other app version in cwm like cybershot mod have no effect either

Wysyłane z mojego LT22i za pomocą Tapatalk 2
[Sony Xperia P, U, Sola, Go] dewanshu93:
Yeaaaa I tooo installed cybershot mod no effect is there... Cant figure out whats the problem :(
[Sony Xperia P, U, Sola, Go] techno-np:
Any one tried any other camera apps..? lik vignette !
[Sony Xperia P, U, Sola, Go] DiukPL:
Yes I've try ZoomFX the same effect :\ So thats no app falt
[Sony Xperia P, U, Sola, Go] K ! n G:
Really this firmware sony product or custom and edit????

So if the original why the same bug????!!!!

Sorry my bad English :(

Send from My { ~ SONY XPERIA P ( LT22i ) ~ }
[Sony Xperia P, U, Sola, Go] Gaurav8180:
Same problem with me:(
[Sony Xperia P, U, Sola, Go] dewanshu93:
Camera Bug solved

see this http://xdaforums.com/showthread.php?t=2026881
[Sony Xperia P, U, Sola, Go] Gaurav8180:
Thanks a lot bro for this amazing fix. It worked for me:D
[Sony Xperia P, U, Sola, Go] Gaurav8180:
Today finally this firmware has been officially released by Sony. Good to know that!!:D:D
[Sony Xperia P, U, Sola, Go] linsbr:
Really good firmware.. smooth as silk.. And we still don't have project butter.. hopefully good things are coming!
[Sony Xperia P, U, Sola, Go] K ! n G:
Is This original frimware???

Really good??

Send from My { ~ SONY XPERIA P ( LT22i ) ~ }
[Sony Xperia P, U, Sola, Go] Gaurav8180:
Yes it is an official firmware. You can check it in find an update column on Sony website.

Hope it helps you:D
[Sony Xperia P, U, Sola, Go] hanifh:
cant even boot into recovery anymore. how did you manage?

never mind. the problem was between my ears.
[Sony Xperia P, U, Sola, Go] K ! n G:
Hi

After the flash this firmware, I have recive the message for new system update available.

What this problem???

Plz help us

{ ~ SONY XPERIA P ( LT22i ) ~ }
[Sony Xperia P, U, Sola, Go] ilgreco112:
Update and tell us whats the difference ? Maybe fw update or kernel.
[Sony Xperia P, U, Sola, Go] Belbol:
Guys how to root this version on Unlocked Bootloader?​
[Sony Xperia P, U, Sola, Go] kudaj316:
here bro...:good: http://xdaforums.com/showthread.php?t=1886460
[Sony Xperia P, U, Sola, Go] Belbol:
Thanks for help but it doesn't work for me! in some step it say acces denided because my phone is rooted but it isn't.
[Sony Xperia P, U, Sola, Go] kudaj316:
try flashing the sliding xp kernel, and then root it
[Sony Xperia P, U, Sola, Go] Gaurav8180:
I just flashed the sliding XP KERNEL and the phone was rooted as this kernel has auto root feature configued in it.

Hope it helps you:D
[Sony Xperia P, U, Sola, Go] K ! n G:
Why we receive the new system update after the flash this rom?????

The generic world not complete!!!!

Persian(farsi) language is not in the firmware

I'm confuse :confused::what:

{ SONY XPERIA P ( LT22i ) } | { TapaTalk 2 }
[Sony Xperia P, U, Sola, Go] Saeedblack:
Can Sliding kernel v2 work on this frimware without bug,lag and too root my device?
[Sony Xperia P, U, Sola, Go] Gaurav8180:
I think it will work on this fw as all the versions are based on the latest sony source code. For rooting, it should work, (atleast it worked for me) as all the versions has the same autoroot configuration. For futher details of this kernel, you can see the first page of this thread.

Hope it helps you:D
[Sony Xperia P, U, Sola, Go] Gaurav8180:
May be we have not updated our phone in an official way, that is why update notification icon appears.

To remove it, just freeze the update center app using titanium backup, rom tool box etc

Hope it helps you:D
[Sony Xperia P, U, Sola, Go] Belbol:
Thanks for help , but i want to ask you that if i can flash this kernel then root the phone then can i reflash the stock kernel by flashtool?

If yes please give me that kernel link.​
[Sony Xperia P, U, Sola, Go] bed-boy11:
You cant flash custom kernels on locked BL.

You can try this.

http://xdaforums.com/showthread.php?t=2023756
[Sony Xperia P, U, Sola, Go] Gaurav8180:
If you reflash the stock kernel, then you might lose root. Or your phone might not boot( this is what had happened with me).

I wanna ask you why do you want to reflash stock kernel?? Is there anything wrong in this kernel??

Hope it helps you:D
[Sony Xperia P, U, Sola, Go] Belbol:
No there is nothing wrong but i love to still on the stock kernel.​
[Sony Xperia P, U, Sola, Go] kudaj316:
if you really love stock kernel,then install the autoroot kernel with recovery,its here in the development thread, it is stock but with built in recovery and autoroot, hope i helped you...but you cant flash this with locked bootloader so be careful,

edit: here is also a thread if you have a locked bootlader,http://xdaforums.com/showthread.php?t=2020895 you must root it first
[Sony Xperia P, U, Sola, Go] Belbol:
Ok thanks for help , i can use the stock rooted kernet to , but i have a question that in my Arc S i was using Xpart to install the lastest recoverys versions , but in xperia P how to install the lastest recoverys versions?​
[Sony Xperia P, U, Sola, Go] kudaj316:
simple...google search RecoverX, but i doubt we have the latest recovery for p..the latest we have is 6.0.1.2,
[Sony Xperia P, U, Sola, Go] Belbol:
Thanks , i downloaded it and install the recovery , it say install saccesfully , but when i restart my phone i try to press up volume and down volume and the camera botton but nothing happen!​
[Sony Xperia P, U, Sola, Go] Gaurav8180:
Recover x does not work with xperia p. I have tried it many times but found nothing. You better go for a custom kernel with recovery configured in it.

Like autoroot , sliding, thjap.

Hope it helps you. :D
[Sony Xperia P, U, Sola, Go] Belbol:
Maybe i can use this way , but i love to stay with the stock kernel...

If you can give me a kernet for the last update with the last version of CWM Recovery it will helpfull for me :D​
[Sony Xperia P, U, Sola, Go] kudaj316:
your too lazy to look bro,but here it is anyway,its the latest cwm i think...
[Sony Xperia P, U, Sola, Go] iM-Gie:
you can try this guide to root here - http://xdaforums.com/showthread.php?t=1839682

and download 6.1.1.b.1.54 kernel from here - http://xdaforums.com/showthread.php?t=2023756

hope this help...
[Sony Xperia P, U, Sola, Go] Belbol:
Thanks but my phone is rooted and i am searching for a way to install the lastest CWM version on my stock kernel , but if i didn't find any way maybe i will use advanced kernel that it's already have the CWM.​

---------- Post added at 01:11 AM ---------- Previous post was at 12:28 AM ----------

I installed the CWM 6.0.1.2 without changing my kernet by this:

http://xdaforums.com/showthread.php?t=2020895

Now i have Root.CWM,Unlocked Bootloader and the lastest version and all work fine :D​
[Sony Xperia P, U, Sola, Go] cortk:
Google Wallet now works, with some edits :)
[Sony Xperia P, U, Sola, Go] paulotex:
Battery life much shorter than 6.1.B.0.544

I am a bit disappointed, the battery life is now about 12 hours, while before it was about 36 hours.

I have stock kernel and rom, the only extra is that bootloader is unlock.

This is a european phone, and the previous version 6.1.B.0.544 was Central European, while this is Generic World. Could this make the difference? Is there a Central European or generic european version available, so that I can try?

Otherwise, I'll have to go back to 6.1.B.0.544...

Thanks
[Sony Xperia P, U, Sola, Go] neoxx3m:
Try to reflash it..
[Sony Xperia P, U, Sola, Go] K ! n G:
Why the sms sound off???

We receive the sms and no sound!!!

{ SONY XPERIA P } | { TapaTalk 2 }
[Sony Xperia P, U, Sola, Go] Gaurav8180:
This is a major bug in the XPERIA P ICS FW. Was in .544 and still present in the .54, the only solution to this is rebooting your device everytime you face this problem.

Hope it helps you:D