Xperia Pro MK16i stuck in boot-loop (showing Xperia logo only)

[Ryoushi]

I owned an Xperia Pro bought on Feb 2012, and running ICS updated by PC Companion.

It keeps restarting/rebooting (symptom very similar to http://talk.sonymobile.com/thread/51181) after turning on bluetooth today, showing repeatedly only the Sony logo and the animated Xperia screen.

This phone has NOT been rooted, NOR unlocked the boot loader.  It is using the latest firmware available in my region as of today (4.1.B.0.587).

I tried starting the phone with/without the SIM card and/or SD card with/without USB cable but NONE of the combinations helps...

It was set to Mass Storage Mode, so it could NOT be connected to PC Companion for software update.

I am wondering if it is still possible to rescue the data inside (contacts, SMS, etc.), by for example, flashing newer firmware from uliwooly, or send to Sony for recovering.

Thanks in advance for any suggestion.

Here's the ADB log when booting until it restarts automatically and re-enters the boot-loop:

...

01-06 08:02:42.482: INFO/bluedroid(299): bt_enable: ret: -1, errno: 19

01-06 08:02:42.622: INFO/bluedroid(299): bt_enable: ret: 0, errno: 19

01-06 08:02:42.622: INFO/bluedroid(299): Starting bluetoothd deamon

01-06 08:02:42.622: ERROR/BluetoothEventLoop.cpp(299): get_adapter_path: D-Bus error: org.freedesktop.DBus.Error.ServiceUnknown (The name org.bluez was not provided by any .service files)

01-06 08:02:42.622: DEBUG/dalvikvm(299): GC_CONCURRENT freed 678K, 6% free 12904K/13639K, paused 3ms+26ms

...

01-06 08:02:45.652: DEBUG/BluetoothA2dpService(299): A2DP state : device: 40:2B:A1:5F:DB:9B State:0->1

01-06 08:02:45.662: DEBUG/BluetoothService(299): CONNECTION_STATE_CHANGE: 40:2B:A1:5F:DB:9B: 0 -> 1

01-06 08:02:45.662: DEBUG/BluetoothA2dpService(299): A2DP: onSinkPropertyChanged newState is: 1mPlayingA2dpDevice: null

01-06 08:02:45.662: ERROR/AndroidRuntime(299): *** FATAL EXCEPTION IN SYSTEM PROCESS: android.server.ServerThread

01-06 08:02:45.662: ERROR/AndroidRuntime(299): java.lang.RuntimeException: Error receiving broadcast Intent { act=android.bluetooth.adapter.action.STATE_CHANGED flg=0x10000010 (has extras) } in android.server.BluetoothA2dpService$1@2c0f4fe8

...

01-06 08:02:46.162: INFO/Process(299): Sending signal. PID: 299 SIG: 9

...

01-06 08:02:46.212: WARN/dalvikvm(514): threadid=1: thread exiting with uncaught exception (group=0x2b542210)

01-06 08:02:46.222: DEBUG/kernel(140): [   34.552246] binder: 471:471 transaction failed 29189, size 60-0

01-06 08:02:46.222: ERROR/installd(135): eof

01-06 08:02:46.222: ERROR/installd(135): failed to read size

01-06 08:02:46.222: INFO/installd(135): closing connection

01-06 08:02:46.242: WARN/AudioFlinger(148): Thread AudioOut_1 cannot connect to the power manager service

01-06 08:02:46.252: ERROR/AndroidRuntime(514): FATAL EXCEPTION: main

01-06 08:02:46.252: ERROR/AndroidRuntime(514): java.lang.RuntimeException: Unable to create service com.google.android.location.internal.server.NetworkLocationService: java.lang.RuntimeException: Package manager has died

(Edited fireware version and message title by Ryoushi)

[anishsane]

I am having similar problem since 2 days.

I tried to reboot the phone using `adb reboot` from my laptop. This usually works. But since then my phone is not booting. It keeps switching between sony & xperia logo.

Since it has not booted, PC companion is not recognizing it.

I also installed update service on my PC, but it is not listing Xperia Pro (MK16i). It is however, listing other devices like Xperia X10, mini pro etc.

I am bit reluctant to try custom/hacked roms or rom-loaders from xda-developer or similar forums.

EDIT:

PC companion could detect it after I followed instructions from this link.

http://talk.sonymobile.com/t5/Xperia-pro-Xperia-neo-V-Xperia/Stuck-at-XPERIA-on-boot/m-p/164759#M124...

My issue is resolved. Thanks to forum.

[Bhuvan2014]

Hello

anishsane

I too have the boot loop problem.I tried to follow the steps u mention in a thread.

But the PCC is instructing me to like "DRAG THE NOTIFICATION BAR,SELECT ACCESS TO PHONE-SELECT ACCESS TO SD CARD" like that.

I cant even SWITCH ON the phone.then how can I select the options.

please tell me how you have repaired the OS?

Thanks in advance!!!

[anishsane]

Yes, it's made un-necessarily complicated in PC companion.

Click Support zone (Start) -> Phone/tablet s/w update (start) -> repair my phone tablet. -> Follow on-screen instructions.

Off course, for some points, you will need to make a judgement call, e.g. "battery charging status > 50%"...

I too had struggled about it for about a day, trying suggestions from all different forums. This method worked in the end.

Good luck!

[MADSAD]

i have the same problem with my device , and i find the solution by let it in this loop , until it's finally start normally , but in the last three days i had a new issue , its keep asking me for restarting the device because it can not detect the sim card , after running normally for a few hours i wondering why O_o , any help .