[Sony Tablet S] sapphire88:
i'm also stuck at sony boot logo :( here is my recovery.log

ro.build.product=nbx03

ro.build.description=SYS_004-user 4.0.3 TISU0R0110 120803068 test-keys

ro.build.fingerprint=Sony/SYS_004/nbx03:4.0.3/TISU0R0110/120803068:user/test-keys

ro.build.characteristics=tablet

ro.opengles.version=131072

wifi.interface=wlan0

ro.ethernet.interface=eth0

ro.ethernet.autoEnable=yes

rild.libargs=-d /dev/ttyACM1 -i rmnet0

windowsmgr.max_events_per_sec=120

ro.tether.denied=true

ro.sony.sound.enabled=true

ro.sony.display.release=release2a

ro.sony.update.server=info.update.sony.net

ro.sony.update.category_id=ST001

ro.config.notification_sound=OnTheHunt.ogg

ro.config.alarm_alert=Alarm_Classic.ogg

dalvik.vm.heapstartsize=5m

dalvik.vm.heapgrowthlimit=48m

dalvik.vm.heapsize=256m

ro.sony.wifisleep=0

drm.service.enabled=true

rild.libpath=/system/lib/libmbm-ril.so

keyguard.no_require_sim=1

mbm.gps.config.gps_ctrl=/dev/bus/usb/002/049

mbm.gps.config.gps_nmea=/dev/ttyACM2

mbm.gps.config.supl.enable_ni=yes

mbm.gps.config.supl.uncert=yes

ro.sony.wan.comAtMode=false

ro.sony.wan.warnNwUnavail=false

ro.sony.wan.ignorePushMsg=false

ro.sony.wan.AtnBarType=0

ro.sony.wan.3GiconModePsAtch=false

ro.sony.wan.dispMenuNwTyp=true

mbm.gps.config.gps_pref_mode=SUPL

ro.setupwizard.mode=DISABLED

ro.com.google.gmsversion=4.0.3_r0

ro.com.google.clientidbase=android-sony

dalvik.vm.dexopt-flags=m=y

net.bt.name=Android

net.change=net.bt.name

dalvik.vm.stack-trace-file=/data/anr/traces.txt

ro.sony.wan.ipv6.enable=false

ro.sony.dlna.dtcp_pext=0

ro.factorytest=0

ro.bootmode=unknown

ro.baseband=unknown

ro.carrier=unknown

ro.bootloader=0x00000008

ro.hardware=nbx03

ro.revision=0

init.svc.recovery=running

init.svc.nfx_daemon=running

init.svc.adbd=running

-- Install /sdcard ...

Finding update package...

I:Update location: /sdcard/signed-nbx03_016-ota-121116095.zip

Desklunvr update package...

Opening update package...

I:1 key(s) loaded from /res/keys

Verifying update package...

I:comment is 1465 bytes; signature 1447 bytes from end

I:whole-file signature verified against key 0

I:verify_file returned 0

Checking version is passed, 111104048 -> 121116095

minzip: file is empty

minzip: Map of '/configs/region.zip' failed

Fail to open /configs/region.zip

E:Prohibit update as a result of checking version or base sku

Installation aborted.

Starting recovery on Sat Dec 15 17:00:56 2012

can't open /dev/tty0: No such file or directory

framebuffer: fd 3 (1280 x 800)

recovery filesystem table

=========================

0 /tmp ramdisk (null) (null) 0

1 /configs ext2 /dev/block/mmcblk0p1 (null) 0

2 /system0 ext4 /dev/block/mmcblk0p2 (null) 0

3 /system1 ext4 /dev/block/mmcblk0p3 (null) 0

4 /cache ext4 /dev/block/mmcblk0p4 (null) 0

5 /misc emmc /dev/block/mmcblk0p5 (null) 0

6 /staging ext4 /dev/block/mmcblk0p6 (null) 0

7 /blflags ext4 /dev/block/mmcblk0p7 (null) 0

8 /datapp ext4 /dev/block/mmcblk0p8 (null) 0

9 /log ext4 /dev/block/mmcblk0p9 (null) 0

10 /data ext4 /dev/block/mmcblk0p10 (null) 0

11 /vsdcard vfat /dev/block/mmcblk0p11 (null) 0

12 /sdcard vfat /dev/block/mmcblk1p1 /dev/block/mmcblk1 0

13 /boot emmc boot (null) 0

14 /recovery emmc recovery (null) 0

15 /system ext4 system (null) 0

16 /vendor0 ext4 /datapp/vendor/vendor0.img (null) 0

17 /vendor1 ext4 /datapp/vendor/vendor1.img (null) 0

Command: "/sbin/recovery"

ro.secure=1

ro.allow.mock.location=0

ro.debuggable=0

persist.sys.usb.config=mtp

ro.build.id=TISU0R0110

ro.build.display.id=TISU0R0110

ro.build.version.incremental=120803068

ro.build.version.sdk=15

ro.build.version.codename=REL

ro.build.version.release=4.0.3

ro.build.date=Fri Aug 3 22:27:26 JST 2012

ro.build.date.utc=1344000446

ro.build.type=user

ro.build.user=integ-build

ro.build.host=build6

ro.build.tags=test-keys

ro.product.model=Sony Tablet S

ro.product.brand=Sony

ro.product.name=SYS_004

ro.product.device=nbx03

ro.product.board=nbx03

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=Sony

ro.product.locale.language=en

ro.product.locale.region=US

ro.wifi.channels=

ro.board.platform=tegra

ro.build.product=nbx03

ro.build.description=SYS_004-user 4.0.3 TISU0R0110 120803068 test-keys

ro.build.fingerprint=Sony/SYS_004/nbx03:4.0.3/TISU0R0110/120803068:user/test-keys

ro.build.characteristics=tablet

ro.opengles.version=131072

wifi.interface=wlan0

ro.ethernet.interface=eth0

ro.ethernet.autoEnable=yes

rild.libargs=-d /dev/ttyACM1 -i rmnet0

windowsmgr.max_events_per_sec=120

ro.tether.denied=true

ro.sony.sound.enabled=true

ro.sony.display.release=release2a

ro.sony.update.server=info.update.sony.net

ro.sony.update.category_id=ST001

ro.config.notification_sound=OnTheHunt.ogg

ro.config.alarm_alert=Alarm_Classic.ogg

dalvik.vm.heapstartsize=5m

dalvik.vm.heapgrowthlimit=48m

dalvik.vm.heapsize=256m

ro.sony.wifisleep=0

drm.service.enabled=true

rild.libpath=/system/lib/libmbm-ril.so

keyguard.no_require_sim=1

mbm.gps.config.gps_ctrl=/dev/bus/usb/002/049

mbm.gps.config.gps_nmea=/dev/ttyACM2

mbm.gps.config.supl.enable_ni=yes

mbm.gps.config.supl.uncert=yes

ro.sony.wan.comAtMode=false

ro.sony.wan.warnNwUnavail=false

ro.sony.wan.ignorePushMsg=false

ro.sony.wan.AtnBarType=0

ro.sony.wan.3GiconModePsAtch=false

ro.sony.wan.dispMenuNwTyp=true

mbm.gps.config.gps_pref_mode=SUPL

ro.setupwizard.mode=DISABLED

ro.com.google.gmsversion=4.0.3_r0

ro.com.google.clientidbase=android-sony

dalvik.vm.dexopt-flags=m=y

net.bt.name=Android

net.change=net.bt.name

dalvik.vm.stack-trace-file=/data/anr/traces.txt

ro.sony.wan.ipv6.enable=false

ro.sony.dlna.dtcp_pext=0

ro.factorytest=0

ro.bootmode=unknown

ro.baseband=unknown

ro.carrier=unknown

ro.bootloader=0x00000008

ro.hardware=nbx03

ro.revision=0

init.svc.recovery=running

init.svc.nfx_daemon=running

init.svc.adbd=running

-- Install /sdcard ...

Finding update package...

I:Update location: /sdcard/signed-nbx03_016-ota-121116095.zip

Desklunvr update package...

Opening update package...

I:1 key(s) loaded from /res/keys

Verifying update package...

I:comment is 1465 bytes; signature 1447 bytes from end

I:whole-file signature verified against key 0

I:verify_file returned 0

Fail to symlink /datapp/vendor/vendor0 to /tmp/prev_vendor: File exists

E:Prohibit update as a result of checking version or base sku

Installation aborted.

i've tried by downloading italian and polish fw (4.03 r5a) just to revive my tab, now i don't care about root, just want my tab back :( what should i do?