[Q] turn on unknown sources and debugging without switching on the phone - Xperia Arc Q&A, Help & Troubleshooting

hi guys
i was trying to root my xperia arc by the given procedure in one of XDA threats. I unlock the bootloader and root it using a flashtool but when i tried to restart the phone again it stuck on SE logo screen. I tried everything and the worst part is when i try to flash it or even lock the bootloader again it says that debugging must be switched on. HOW DO I SUPPOSED TO TURN ON THE DEBUGGING WITHOUT SWITCHING ON THE PHONE?
please help me on this, thanks alot

You were supposed to turn it on before rooting. Now all you can do is reflash, turn the phone on, turn debugging on and allow non-market sources then root. Try wiping all data while flashing and see if it works.

I forgot to turn it on and i cant turn on debugging cos my phone doesn't start.It stuck on SE logo screen.Hurry guys help me.
BTW i contacted the Sony Ericsson and they said send them the phone and they will have a look. What you guys say about that, should i send it or not?

just download sony ericsson update service and follow the steps to flash ur stock firmware again.. since your bootloader is locked as u said it should work for u...
just google it download it..good luck
hit thanx if diz helps for u

showstopper1 said:
just download sony ericsson update service and follow the steps to flash ur stock firmware again.. since your bootloader is locked as u said it should work for u...
just google it download it..good luck
hit thanx if diz helps for u
Click to expand...
Click to collapse
sony ericsson update service is no longer available.
Btw my bootloader is unlocked.

flash the stock firmware using flashtool.....

Thanks for your help guys .Phone is working fine now.some of the drivers was missing thats all

dude how did u make it work same prob with my phone.. plz help..?

Related

[Q]

so i have rooted xperia arc. noticed that there were new update (4.0.2.A.0.42). so i resetted to default settings cause otherwise it wouldnt let me install that update, then after about 5 mins of updating arc shutdown and now it wont turn on.. so i ask what should i do?
was your arc bootloader unlocked when you did this?
When your BL is locked, just flash it via SEUS.
yes, bootloader was unlocked.
thank you for quick replys
There is a fix in the sticky's
For future only people who unlocked with setool can update via FOTA, SEUS and PC Companion.
Unless you relock your bootloader
Jinx13 said:
There is a fix in the sticky's
For future only people who unlocked with setool can update via FOTA, SEUS and PC Companion.
Unless you relock your bootloader
Click to expand...
Click to collapse
that was usefull! thanks, only problem now is that it wont connect to pc cause pc cant install "s1boot download".
You follow the link in the tutorial closely? Needed drivers are in the flashtool directory
found them but dont really know which one i need or where to put..
edit: now that flash started but it tells me to turn debugging and uknown sources on... but how cause i cant turn that even on
edit2: after reading almost full sticky thread tried that xperia play firmware which someone said it worked, now when i try to turn it on green led blinks.. is my phone piece of junk now?
so anyone know what should i do? it wont turn on, green led blinks when i press power button, phone vibrates when i press menu button (to start fastboot).
In Android Developement of Arc is a sticky with a fix for FOTA bricked phones, just do that
Sent from my LT15i using XDA Premium App
If you are still stuck I can repair it contact me via PM as i'm not allowed to discuss it on the forum

[Q] Can't flash my xperia arc

hello
im trying to flash my xperia arc to ics but it wont flash
it always stuck on vendor.sin or system.sin
plz help
use the latest flashtool and make sure verification is unticked before flashing
it still stuck on system.sin
when the flashing starts its all good until it reaches to flashing vendor
then the percentage is still the same 10%
The most common cause locked bootloader, have you have it unlocked?
how can i know if its locked?
i cant use my phone
i have the logo of sony and then i see a phone under a caution sign
here http://unlockbootloader.sonymobile.com/instructions
knowing that you can't use your phone, just follow instruction to unlock it (don't read step 1-2, just jump to step 3)
cmiiw
have u ever tried to unlock it?or atleast do u remember? C'mon dig up the memories
what is IMEI?
Crypto123 said:
what is IMEI?
Click to expand...
Click to collapse
well its like a digital fingerprint of a device..they are unique..no two fingerprints are same..they are 15 digits code.. Just key in *#06# on your mobile phone and it will display its IMEI number..just follow the instruction to unlock the bootloader man..
or you can find your IMEI in your phone box if i'm not mistaken
You can find the IMEI underneath the battery as well.
Swyped from my SE Xperia arc (LT15i) using Tapatalk 2
i unlocked the bootloader
and still the flashing cant be done
hey
I have same problem too, but i know my fault. firstly i unlocked and then i entered to cwm in phone and i tried to flash a rom (it must be this: MooDeD ICS ROM). and now phone wont start, only SONY logo open and freeze. What can i do for restore it?
Thank you very much.
jimitkewl said:
I have same problem too, but i know my fault. firstly i unlocked and then i entered to cwm in phone and i tried to flash a rom (it must be this: MooDeD ICS ROM). and now phone wont start, only SONY logo open and freeze. What can i do for restore it?
Thank you very much.
Click to expand...
Click to collapse
its mean your phone bootloop..Flash again on flashTool... its because many reason... wrong read instruction or broken file...
arc_n_krizt said:
its mean your phone bootloop..Flash again on flashTool... its because many reason... wrong read instruction or broken file...
Click to expand...
Click to collapse
Thank you. And I fixed the problem by using Sony Update Service.

[Q] Phone wont turn on after Official Ics update

hey, i tried to update my sisters sony ericsson Arc to official Ics, after it was done downloading, i rebooted into, update screen, or whatever u wanna call it, but then sudenly, the phone shut off, and now it wont turn on, any ideas ?
thanks
i cant seem to fix it through sony pc companion either, is this due to i got an unlocked bootloader?
is your bootloader unlocked? NEVER accept any OTA updates with an unlocked bootloader, use flashtool!
Sent from my LT18i using xda premium
FettleifIsMyUserName said:
i cant seem to fix it through sony pc companion either, is this due to i got an unlocked bootloader?
Click to expand...
Click to collapse
Try to use this its for unlocked bootloaders http://developer.sonymobile.com/services/flash-tool/how-to-download-and-install-the-flash-tool/ works on arc
As tangosierra_ said do not accept over the air updates if your bootloader is unlocked if the above not work contact here http://forum.xda-developers.com/showthread.php?t=1252038 :good:
thanks for answers, managed this on my own, i used a ftf file that relocked the bootloader so i could fix it through sony pc companion

xperia zl sudden death,boot loop, unlocked bootloader problem !

plz help me, my xperia zl rooted whose bootloader is officialy unlocked, and and i don't have such information that we have to make TA backup also to relock our boot loader as now i come to know that my warrenty got completly vanished when i tried to repair my cell using sony pc companion, as you may knowz, xperia devices suffering from sudden death errors, firstly my device got sudden death and not switch on in normal state, but it starts when i connect it with charger, but now it is not starts using charger connected also, i reflash my xperia zl with official 4.3 firmware for xperia zl using flashtools, but it is not booting up, then i searched internet and i come to knows about all this mess i had done, then i tried to flash official 4.2.2 firmware bit it gives an error "err_severity="minor";err_code="0017";ERR_Dynamic=0x80080012";" plz help me, my parent also shouted on me soo loud, plz help me to restore my phone. I am hopeless !
melvinrobertson said:
plz help me, my xperia zl rooted whose bootloader is officialy unlocked, and and i don't have such information that we have to make TA backup also to relock our boot loader as now i come to know that my warrenty got completly vanished when i tried to repair my cell using sony pc companion, as you may knowz, xperia devices suffering from sudden death errors, firstly my device got sudden death and not switch on in normal state, but it starts when i connect it with charger, but now it is not starts using charger connected also, i reflash my xperia zl with official 4.3 firmware for xperia zl using flashtools, but it is not booting up, then i searched internet and i come to knows about all this mess i had done, then i tried to flash official 4.2.2 firmware bit it gives an error "err_severity="minor";err_code="0017";ERR_Dynamic=0x80080012";" plz help me, my parent also shouted on me soo loud, plz help me to restore my phone. I am hopeless !
Click to expand...
Click to collapse
go to service centre tell them that you were doing a 4.3 update and this happened.they wont recognise that your phone has an unlocked bootloader bcoz it doesnt start!they will replace it make sure you dont have cwm installed.
bhavstech said:
go to service centre tell them that you were doing a 4.3 update and this happened.they wont recognise that your phone has an unlocked bootloader bcoz it doesnt start!they will replace it make sure you dont have cwm installed.
Click to expand...
Click to collapse
i had relock my bootloader through flashtools, but it had just relock the bootloader no drm keys came back, reflash my android 4.3 but mobile is again in a bootloop, so i had given my zl to service centre, they said firstly we will try to install the os, its upto 5 days now, and they are still installing my os back, tommorow i will ask them to replace the cell !
melvinrobertson said:
i had relock my bootloader through flashtools, but it had just relock the bootloader no drm keys came back, reflash my android 4.3 but mobile is again in a bootloop, so i had given my zl to service centre, they said firstly we will try to install the os, its upto 5 days now, and they are still installing my os back, tommorow i will ask them to replace the cell !
Click to expand...
Click to collapse
:good: make sure they dont get to now that it had unlocked bootloader by any means and if it gets replaced make sure to make a TA BACKUP Of new one so that u dont loose be2 n drm keys
bhavstech said:
:good: make sure they dont get to now that it had unlocked bootloader by any means and if it gets replaced make sure to make a TA BACKUP Of new one so that u dont loose be2 n drm keys
Click to expand...
Click to collapse
Hurra my cell got replaced !today only I got the new one, my old Zl was white coloured, but I ask the service centre to give the black colour, I just love the black one, hiphip hurra !
You lucky S.O.B!
Sent from my C6503 using Tapatalk

[help] Xperia M can't install updates

Hey I'm new here so sorry if I explain it weirdly and I mistakenly posted this in a different section before
So my xperia M which is now unrooted can't install the 15.4.A.1.9 update it just downloads and reboots and goes to the boot up screen and loads for 2-3 seconds and blacks out and and restarts and it says couldn't install update. How can I fix this?
Try flashing a .ftf file via flashtool
Press thanks if I helped!
This might me the answer
Hey there!
I think i understood your problem and i have a question to ask you. is your bootloader locked or did u unlocked ur bootloader anytime and didnt lock it back.?
if your bootloader is unlocked , u wont be able to install updates from official Sony Update Center.
I dono if this is the exact reason y ur are unable to do but this happened with my phone too.
I use Sony Xperia M Dual C2004 and i wasnt able to install updates, then i noticed that my bootloader was unlocked then i used Flashtool to lock it back, then i was able to install the updates
Or if u want to install .FTF of your phone manually do it via Flashtool coz its safe
and if you want to get .FTF of your phone directly from Sony use PC Companion as Sony Update Service [SUS] is stopped
Hope it helps :angel::fingers-crossed::good:

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