[Q] SE Xperia Arc not booting - Xperia Arc Q&A, Help & Troubleshooting

I recently tried to unlock the bootloader on my Sony Ericsson Xperia Arc (HK/AUS).
I did so without any problems, until I unplugged it and tried to switch it on. It is now stuck in a boot loop, only displaying the Sony Ericsson Screen continuously.
I have scoured the forums and downloaded every flashtool and used everything from relocking the bootloader, to flashing 3 different firmwares, and even using SEUS and Companion to no avail.
What can I do ??

http://forum.xda-developers.com/showthread.php?t=1252019

I am having the same problem. with no solution so far. will try the above link

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[Q] (Q) se screen stock, after update.zip flash

hey, guys so i really need some help pleiase, i have an xperia arc lt15i with root and unlocked bootloader, but some time ago i flashed a mod theme to make it look like ics, i only icons would change but i coulsnt uninstall it, so i tried this http://forum.xda-developers.com/showthread.php?t=1518163 althought my phone was on bootloader 56 wth 6. something not 4.0.2.A.0.62, wiith android 2.3.7 but since i flashed it my phone stays stock on se screen, i tried repairing it with sony pc companion but it gives me an error, and i tried the x10 flasher but it tells me to turn it on and turn on usb debugging and unknown sources, but i cant turn it on!!!, any way i can repair my phone??? thanks

LT15i bootlooping

I need help with a recently purchased xperia arc, i received and it came with Free Xperia ROM the problem was that it was not connecting to WIFI and the GPS was turning off randomly.
I connect the phone to the SE update manager and it says that it was not able to recover since it was a modified phone, the thing is that it was being recognize as a LT18i and not a LT15i, I tried to use flashtool to return to Generic Rom I used LT15i_4.1.B.0.431_Generic Global World and it flash ok no errors but now the phone is bootlooping, now I tried to use the repair tool on Sony PC companion but it does not even recognize the type of device and when I select Xperia Arc LT15i it shows that there is no software available for this pone.
What can I do to restore this phone to factory settings? }
And to clarify it is a LT15i not a LT18i
Pleas help
Done!!! you were right the FW wes corrupted I tried with LT15i_4.0.A.2.368_Generic Global and it works perfectly!!
thx u

Xperia Arc Boot Loop

I own a Sony Xperia Arc (purchased on June, 2011) and it doesn't work anymore without any explanation.
When I turn on the phone, it appears Sony Ericcson brand and then, mobile network carrier brand, but then, instead of appearing home, it appears again Sony brand and an infinite loop goes on.
At first,I tried to solve the problem with the Sony tools like PC Companion and Sony Update Service.
Then, I tried to do a hard reset (back + menu and power), but nothing changed (the same bootloop).
What would you do now? Would be useful trying to flash some firmware? I have been reading posts about flashing firmware, bootloader unlocking and rooting Xperia Arc, but I don't now really what would be the best move now.
For your information, I haven't applied any kind of official upgrade before, neither I have tried to root the phone or flash any custom firmware, so I had my phone as it came from factory (with Android 2.3.2). Moreover, I haven't installed any suspicious application, just typical apps like whatsapp and so on. By the way, the phone haven't suffered any crash neither wet.
I have attached the log I have taken when I try to turn on the phone (I get the same log again and again, at the end of the log it reports some problem with memory, I hope it's not a hardware problem):
Try using the Flashtool and report back. http://forum.xda-developers.com/showthread.php?t=1304634
XperienceD said:
Try using the Flashtool and report back. http://forum.xda-developers.com/showthread.php?t=1304634
Click to expand...
Click to collapse
Hi,
also have the same problem.
I have the same problem.
İ have lt15i firmware. Try to install lt18i via flashtool and something broken and aborted. I tried to install LT15i_4.0.2.A.0.42_(1247-1041).ftf via flashtool. It said flashed but said power on turn on unknown sources and devices. When i try to power on it boot loop in Sony Logo.
I try to use CWM mode. Wipe and flash some data. Couldn't find user data files. Installed a Custom ROM when a boot animation appear its boot again to SONY logo. what should i do?
Any ideas?
In the end, I could fix the problem flashing the latest firmware with Sony Update.
Anyways, thank you very much for the advice
Xperia arc problem
Hello, i have a problem since i tried to update my xperia arc to the last kit kat build, i flashed the kernel before installing the new rom, and now it simply reboot after legacyxperia logo, and when i tried to go to recovery menu it enters but doesn't show any options, only show the hat with the refresh symbol. If you can please help me.
Thank you, have a great day

[Q] Xperia arc S got stuck on Xperia logo

My Xperia arc S running 4.0.4 was rebooting several times.
Then I gave it to an phone engineer for repair. he returned it working with 2.3.4 version of Xperia acro NTT docomo SO - 02. I flashed 2.3.4 version on it successfully but it got stuck on Sony Ericsson logo while booting. I flashed 4.1.B.567 version, it got stuck on the Xperia logo.
How do I get my phone back on ICS? Guys, please help me out. I feel so sad

My Sony Xperia M Soft Bricked (loading always sony logo icon )

After i rooted my mobile,, i tried to unlock boot loader of xperia M , by following all instructions which have been shown in Xda ... after i performed all steps and when i turn ON my phone it is all ways loading sony logo ...and it not coming to back to its original state ....plz help me friends
while i am performing i checked bootloader unlock status is Yes
and it is also not entering into recovery mode.... plz help me friends
reflash your firmware with flashtool

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