Problem with FastBoot - Xperia Arc Q&A, Help & Troubleshooting

Hello, i have just registered to the forums, but i already follow xda for a long time. So here is my problem, i have already installed "ICS JJ's Hybrid Rom" on my Xperia Arc S without trouble at all, but now that i want to try a new rom i'm facing a big problem with fastboot.. I have tried to go FastBoot pressing Menu/Back button and plug in the phone, i tried to reboot in fastboot by X-Parts/Rom Manager and so on, but no luck untill now, and i dont know what is the problem since i don't even get blue light when i try to do it.
Yes i have installed flashtool drivers for the phone, basically green light appears instead of blue, the phone goes on black screen and after 5-10 seconds it disconnects.
I don't know if you guys need more information or not but i think im doing everything correctly, because i have tried countless guides and videos.
I would really appreciate some help if possible, thanks.

Have you actually unlocked your bootloader?

as i said, i have [ICS]JJ's Hybrid Rom on my Xperia Arc right now, so yes i had to unlock bootloader to install it.

JJ's hybrid works on locked bootloaders too. Have you flashed any custom kernel
Sent from my Xperia Arc S using xda premium

Moah123 said:
basically green light appears instead of blue, the phone goes on black screen and after 5-10 seconds it disconnects.
Click to expand...
Click to collapse
If you get green light, you are turning your phone into flashmode and not fastboot. Hold down Menu button and then connect the cable.

I know that i enter fastboot with holding menu button but it just doesnt work, the only way it works is with Emma (Sony FlashTools) and it appears green light as well when i do it.

Related

Bootloader Defect ?

Hello people,
I hope you can help me?
after I unlocked my ion in the root mode and the bootloader
I (which ran without any problems), I have (I think)
inadvertently (or better through their own stupidity)
instead of the boot.img here
use these
and on my written ion
comes shortly after the restart, the "sony" logo and then it restarts the whole is repeated several times are only a black screen is shown. the backlight is on. after about 5 minutes, the device switches itself off then.
when I connect it to the power supply, the LED turns red, just on the pc.
I'm not in the flash mode (green LED) still in fastboot (led blue)
I get it myself down again?, or should I send it?
ever thank you for your help!
PS: at the moment where the Sony logo appears on the screen I get a short USB Connect!
tuxie01 said:
Hello people,
I hope you can help me?
after I unlocked my ion in the root mode and the bootloader
I (which ran without any problems), I have (I think)
inadvertently (or better through their own stupidity)
instead of the boot.img here
use these
and on my written ion
comes shortly after the restart, the "sony" logo and then it restarts the whole is repeated several times are only a black screen is shown. the backlight is on. after about 5 minutes, the device switches itself off then.
when I connect it to the power supply, the LED turns red, just on the pc.
I'm not in the flash mode (green LED) still in fastboot (led blue)
I get it myself down again?, or should I send it?
ever thank you for your help!
PS: at the moment where the Sony logo appears on the screen I get a short USB Connect!
Click to expand...
Click to collapse
I'm afraid that you must somehow flash stock fw and stock kernel. For this use Emma or Flashtool. To install all necessary drivers you must install SUS.
Sent from my LT26i using xda developers-app

Please help me Alejandrissimo

Dear Alejandrissimo I have a big problem with my phone xperia play r800i 2.3.4.I tried to flash cyanogenmod but i did something wrong.After that my phone is dead. I cant turn it on,when i am going to do this an orange light lights up on the turn on button.It goes on black screen and then nothing.No logos are appeared. I tried to flash the default kernel from android gadgematics but i couldnt. The last time i did this i kept tapping the search button until it lights the blue led light on the turn on button, i tried to flash the kernel but it didnt happen anything. If you have any other questions write me to make it easier to help me for my problem. My phone has unlocked bootloader but it isnt root.Can you help me please:crying:
TheVeteran said:
Dear Alejandrissimo I have a big problem with my phone xperia play r800i 2.3.4.I tried to flash cyanogenmod but i did something wrong.After that my phone is dead. I cant turn it on,when i am going to do this an orange light lights up on the turn on button.It goes on black screen and then nothing.No logos are appeared. I tried to flash the default kernel from android gadgematics but i couldnt. The last time i did this i kept tapping the search button until it lights the blue led light on the turn on button, i tried to flash the kernel but it didnt happen anything. If you have any other questions write me to make it easier to help me for my problem. My phone has unlocked bootloader but it isnt root.Can you help me please:crying:
Click to expand...
Click to collapse
Turn off ur phone and go to flashmode(holding back button and connect ur usb)and Flash a firmware using flashtool
Sent from my R800i using xda premium
TheVeteran said:
Dear Alejandrissimo I have a big problem with my phone xperia play r800i 2.3.4.I tried to flash cyanogenmod but i did something wrong.After that my phone is dead. I cant turn it on,when i am going to do this an orange light lights up on the turn on button.It goes on black screen and then nothing.No logos are appeared. I tried to flash the default kernel from android gadgematics but i couldnt. The last time i did this i kept tapping the search button until it lights the blue led light on the turn on button, i tried to flash the kernel but it didnt happen anything. If you have any other questions write me to make it easier to help me for my problem. My phone has unlocked bootloader but it isnt root.Can you help me please:crying:
Click to expand...
Click to collapse
Try getting on flashtool and booting up a stock or custom ftf, than root it using flashtool and go back and flash your kernal and rom afterwards

[Q] Help GI kernel softbrick??

I just softbricked my lt28h by flashing gi kernel from cwm.....
It just loops all the time, sony logo blanck screen sony logo etc.. and worst part is that no led is blinking no matter wich combi i use
so no flashmode no cwm , anyone now of something to try ??
would really appreciate it
regards
Edit:actually its even worse, no contact through buttons at all, just slight light turned on in screen...crap i´ve got a paperclip insted off a phone
spoonymoon said:
I just softbricked my lt28h by flashing gi kernel from cwm.....
It just loops all the time, sony logo blanck screen sony logo etc.. and worst part is that no led is blinking no matter wich combi i use
so no flashmode no cwm , anyone now of something to try ??
would really appreciate it
regards
Edit:actually its even worse, no contact through buttons at all, just slight light turned on in screen...crap i´ve got a paperclip insted off a phone
Click to expand...
Click to collapse
Use Flashtool and reinstall the ROM. Now, I know you said that the buttons combination does not work, but it must work when you put your phone in flashmode by plugging in the cable in it while keeping pressed the volume down button. It must work, this button combination has nothing to do with the kernel. So try it.
here bro follow this guide, http://forum.xda-developers.com/showthread.php?t=1849170

[Q] Phone in not starting after installing custom rom

I have installed CyanogenMod 11 custom rom to my Xperia Arc S. After flashing boot.img through flashtool, device got shutdown. Till now everything was fine. But after this the tutorial said to start the phone and after the phone vibrates, start pressing the volume down button. I did the same. But after vibration, phone is not showing anything. It shows dim light on screen but its not showing either the logo nor its starting. The LED light on side turns to purple but nothing happens after that. I did this with every button but its not starting. Pls halp me out....
Thanks...
vishalsitapura said:
I have installed CyanogenMod 11 custom rom to my Xperia Arc S. After flashing boot.img through flashtool, device got shutdown. Till now everything was fine. But after this the tutorial said to start the phone and after the phone vibrates, start pressing the volume down button. I did the same. But after vibration, phone is not showing anything. It shows dim light on screen but its not showing either the logo nor its starting. The LED light on side turns to purple but nothing happens after that. I did this with every button but its not starting. Pls halp me out....
Thanks...
Click to expand...
Click to collapse
Did you flash the kernel for your device?
Sent from my Xperia Neo V using Tapatalk 2
vishalsitapura said:
After flashing boot.img through flashtool, device got shutdown.
Click to expand...
Click to collapse
Tell more about this. How did you do it, what happened, what buttons did you press etc etc.
Yes. I have installed kernel for it via flashtool. Initially after doing this it was not going to recovery mode and also it was not getting connected to flashtool. But now it is getting connected to flashtool in fastboot mode. So tried to flashing with 10.2 version, it showing finished but again the same problem. Its not going to recovery mod.
as in, HOW did you flash the kernel exactly. Dont just say you used flashtool, how did you use it? What combination did you use to get into fastboot? Any errors in flashtool? How did you boot into recovery (I.e. which keys did you press) and does the LX kernel logo even appear on boot?
Sent from my Nexus 5 using Tapatalk
vishalsitapura said:
Yes. I have installed kernel for it via flashtool. Initially after doing this it was not going to recovery mode and also it was not getting connected to flashtool. But now it is getting connected to flashtool in fastboot mode. So tried to flashing with 10.2 version, it showing finished but again the same problem. Its not going to recovery mod.
Click to expand...
Click to collapse
First check does that kernel has built in recovery...If nothing works,to get your phobe to work flash stock .ftf file with flashtool.
Do you have unlocked bootloader?
And try one more thing,when you turn on the phone start pressing volume down (-).)!
Sent from my Xperia Arc LT15i using XDA
I think i have the same problem as OP.
I decided to try out LegacyXperia CM11 and installed it yesterday. It went well, but it is still kinda buggy so i decided to go back to besttt's Slim Bean. I copied rom files on SD card and went to flash kernel (darkanzuEOL). I flashed it through Flashtool like every other time and it went without errors so i proceeded to boot into recovery so i can flash the rom. This is where everything stopped working normally. After i power on the phone and press voldown to enter cwm it just gets stuck on cwm loading screen. If i dont try to get into recovery it just bootloops. I tried several kernels i have on my HDD and always the same result.
I'm downloading stock img to flash and see if that will help. will let you know what happens.
EDIT:
Stock img worked, now i'm back on slim. Only other thing i changed ( which i think is the cause) is i used original sony usb cabel instead of my Nexus 7's i used originaly

Xperia Play not able to boot

Hi. I have an R800i which I rooted some time ago. Up until recently it has been running ICS with a Lupus kernel. I then flashed 2.3.3 UK ftf from here and it seemed to work. It prompted me for an OTA update and I started it. After downloading the update and rebooted, the phone displayed a black screen and a progress bar (nothing odd, seemed as though it was updating) and after a couple of minutes it turned off. Since then I haven't been able to turn the phone back on. I would press the power button and all it would do is briefly flash the green LED and vibrate, but that's about it. If I would hold the power button it would do that every couple of seconds. I cannot access the recovery menu either. It may be worth noting that by connecting the phone to my PC it would start in flashmode (blank screen), so I tried reflashing the same (and some other) ROMs using Flashtool but with the same result. Up until now, flashing ftfs through Flashtool seems to be the only thing I can still do. Any help would be appreciated. Thanks in advance!
hi
iftode.bogdan said:
Hi. I have an R800i which I rooted some time ago. Up until recently it has been running ICS with a Lupus kernel. I then flashed 2.3.3 UK ftf from here and it seemed to work. It prompted me for an OTA update and I started it. After downloading the update and rebooted, the phone displayed a black screen and a progress bar (nothing odd, seemed as though it was updating) and after a couple of minutes it turned off. Since then I haven't been able to turn the phone back on. I would press the power button and all it would do is briefly flash the green LED and vibrate, but that's about it. If I would hold the power button it would do that every couple of seconds. I cannot access the recovery menu either. It may be worth noting that by connecting the phone to my PC it would start in flashmode (blank screen), so I tried reflashing the same (and some other) ROMs using Flashtool but with the same result. Up until now, flashing ftfs through Flashtool seems to be the only thing I can still do. Any help would be appreciated. Thanks in advance!
Click to expand...
Click to collapse
try to flash this file ... it can unbrick your device if you can still get in flashmode... download from attachment..
Worked!
kks111 said:
try to flash this file ... it can unbrick your device if you can still get in flashmode... download from attachment..
Click to expand...
Click to collapse
It worked. Thanks a bunch!

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