Question about installing kernel - Xperia Arc Q&A, Help & Troubleshooting

I was trying to installing arcknight kernel..
And by doing this you have to go fastboot which i believe is turning off ur phone and plug the usb while holding the back key after that u have to type fastboot flash boot (name of kernel.img) and it says waiting for device.. ive been waiting for like 10 minutes nd nothings happening..my phone remains black but the led is green..sometimes changing to blue then back to green..
Am i forgetting something or skipped a process?
Sent from my LT18i using XDA Premium App

no,if you do that using flashtool you have not to hold the back key.after your phone is connected being recognized by flashtool you have to chose fastboot mode then reboot in fastboot mode(via ADB) that willsend your phone in to fastboot mode then you can select a kernel to flash it!

Fastboot is hold options button and led goes blue.
If Ied is green your are in flash mode.
Sent from my LT18i using xda premium

boxgot said:
no,if you do that using flashtool you have not to hold the back key.after your phone is connected being recognized by flashtool you have to chose fastboot mode then reboot in fastboot mode(via ADB) that willsend your phone in to fastboot mode then you can select a kernel to flash it!
Click to expand...
Click to collapse
Im not using a flashtool.. im in the cmd method..
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zolaisugly said:
Fastboot is hold options button and led goes blue.
If Ied is green your are in flash mode.
Sent from my LT18i using xda premium
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Click to collapse
Yah.. when i connect the phone its green..so im in the flash mode.. but how to go in fastboot? I followed the steps correctly but still in green..
So by the fastboot i will hold the OPTION KEY instead of back key while connecting the usb?
Can u teach me the exact instructions and its every detail?
DO i need my bootloader to be unlocked?
Sent from my LT18i using XDA Premium App

first of all is your bootloader unlocked or not custon kernels cannot be installed on locked bootloaders.
so if its unlocked press menu key and and attach cable to enter fast boot mode and then u can flash custom kernel by cmd line method or flashtool ( more convenient IMHO) .
for archnight kernel after u flash kernel u need to flash WiFi modules in CWM.

arcsuser said:
DO i need my bootloader to be unlocked?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1304634

Related

Think I may bricked my phone...

I have unlocked bootloader and rooted the phone. I was on stock ICS 4.0.4 and then tried to flash a ROM. It was saying Installed succesfull etc, when I was rebooting, stuck on Sony Logo... And won't go back to CWM...
What to do?
UnLucky12 said:
I have unlocked bootloader and rooted the phone. I was on stock ICS 4.0.4 and then tried to flash a ROM. It was saying Installed succesfull etc, when I was rebooting, stuck on Sony Logo... And won't go back to CWM...
What to do?
Click to expand...
Click to collapse
What model did you have? be specific!!
formsarun said:
What model did you have? be specific!!
Click to expand...
Click to collapse
Oh yea! Sorry. LT15i. I was flashing the omega ROM.
Sent from my GT-I9300 using xda app-developers app
It's not bricked just stuck on bootloop.
Reflash either stock rom or if you have working fastboot then install a custom kernel that matches the Rom you tried originally.
Sent from my LT18i using xda premium
UnLucky12 said:
I have unlocked bootloader and rooted the phone. I was on stock ICS 4.0.4 and then tried to flash a ROM. It was saying Installed succesfull etc, when I was rebooting, stuck on Sony Logo... And won't go back to CWM...
What to do?
Click to expand...
Click to collapse
extract the boot.img and flash it with the flashtool(in fastboot mode) restart the phone.
hit thanks !!!
zolaisugly said:
It's not bricked just stuck on bootloop.
Reflash either stock rom or if you have working fastboot then install a custom kernel that matches the Rom you tried originally.
Sent from my LT18i using xda premium
Click to expand...
Click to collapse
formsarun said:
extract the boot.img and flash it with the flashtool(in fastboot mode) restart the phone.
hit thanks !!!
Click to expand...
Click to collapse
I will try that! Will update you guys! Of course I will hit thanks! ^^
Put the device in flashmode? Or download mode? (Hold back button or menu button? then connect the phone to the pc)
To install the boot image or stock rom?
UnLucky12 said:
Put the device in flashmode? Or download mode? (Hold back button or menu button? then connect the phone to the pc)
To install the boot image or stock rom?
Click to expand...
Click to collapse
press the menu button and plug the usb for fastboot (download mode) which indicates blue color notification.
Just tried to flash the boot.img from omega, didn't work! Still showing Sony logo and nothing further :/ But I can now go in to CWM ;D
You don't want to go to cwm. Just flash it with stock kernel (.ftf ) using flash tool. Then you'll be able to run your handset!!
Best of luck.
Sent from my MK16i using xda app-developers app
Thanks! Solved it! ;D It is now running and working
Unbricking help !
Use these :
http://forum.xda-developers.com/showthread.php?t=1322827
http://forum.xda-developers.com/showthread.php?t=1126358
Be happy :good:

Do you need an unlocked bootloader to use fastboot?

Ive been trying to get fastboot to work on my phone for weeks, no methods on this site have worked. Ive tried another pc with windows 7 and its the same story. I have rooted my phone but I kept the bootloader locked. Is an unlocked bootloader an necessity for fastboot or am I missing something?
Sent from my LT26i using xda app-developers app
AndrewMPhoto said:
Ive been trying to get fastboot to work on my phone for weeks, no methods on this site have worked. Ive tried another pc with windows 7 and its the same story. I have rooted my phone but I kept the bootloader locked. Is an unlocked bootloader an necessity for fastboot or am I missing something?
Sent from my LT26i using xda app-developers app
Click to expand...
Click to collapse
you must have the fastboot and flashmode drivers installed on your pc ,and the xperia s drivers also.....
you enter fastboot when you turn off your phone and you have to press volume up while you connect your usb to pc and you see a blue led .....
i assume fastboot is working before you unlock your bootloader as you unlock the bootloader using fastboot...
what do you want fastboot?
devilakos said:
you must have the fastboot and flashmode drivers installed on your pc ,and the xperia s drivers also.....
you enter fastboot when you turn off your phone and you have to press volume up while you connect your usb to pc and you see a blue led .....
i assume fastboot is working before you unlock your bootloader as you unlock the bootloader using fastboot...
what do you want fastboot?
Click to expand...
Click to collapse
I want fastboot to install custom roms on my device. I could use a hand getting the drivers to work.
My system is windows 8 which is know there is issues with but i have tried:
Plugging phone in while holding volume button.
Lights comes on green and windows sees the device.
Right click and click update.
Select the drivers and select bootloader interface
plug the phone back in and click next
Then the update fails.
Any thoughts?
You need to disable driver signature verification. Do an advanced restart from windows 8, from there there is an option to disable it. After that you should be able to install the drivers fine.
fareeed said:
You need to disable driver signature verification. Do an advanced restart from windows 8, from there there is an option to disable it. After that you should be able to install the drivers fine.
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Click to collapse
i forgot to mention i have tried that also. I've stumped. I don't know why none of the methods aren't working for me haha!
AndrewMPhoto said:
i forgot to mention i have tried that also. I've stumped. I don't know why none of the methods aren't working for me haha!
Click to expand...
Click to collapse
Give this a read and a watch - http://forum.xda-developers.com/showthread.php?t=2044804
AndrewMPhoto said:
Ive been trying to get fastboot to work on my phone for weeks, no methods on this site have worked. Ive tried another pc with windows 7 and its the same story. I have rooted my phone but I kept the bootloader locked. Is an unlocked bootloader an necessity for fastboot or am I missing something?
Sent from my LT26i using xda app-developers app
Click to expand...
Click to collapse
You can not unlock the bootloader without fastboot.
Some phones can access fastboot some are locked out. Chances are, if you paid a discount price through your carrier, your phone has fastboot blocked. If you bought the unlocked full price version you should have access.
You can check if the phone can access fastboot. With the phone off, press volume up and plug into a charger/pc. Do you get the blue led on phone? If no blue led then pc drivers won't help.
~Jaramie
sent by my ION
Thanks for your help, the light is green so im guessing I dont have fastboot. Is there any other ways I can install custom roms to my phone? Or un block fastboot?
Sent from my LT26i using xda app-developers app
I have the same problem! im so sad, im going to seel this one and buy an unlocked one.
If you are with windows 8 connect your phone by an usb 2.0 port. This solve your problem. Fastboot, flash mode and software like Emma, flashtool doesn't support usb 3.0 with windows 8.
Best regards
Look the end of that post
AndrewMPhoto said:
Thanks for your help, the light is green so im guessing I dont have fastboot. Is there any other ways I can install custom roms to my phone? Or un block fastboot?
Sent from my LT26i using xda app-developers app
Click to expand...
Click to collapse
Make sure your pressing the volume up button to enter fastboot mode, blue led. If you press the down button you should get the green led for flash mode. They are different modes. Flash mode is for .ftf files. Fastboot is for .sin files.
From the dialer enter *#*#service#*#* or *#*#7378423#*#* then click on configuration. This will tell you if you can unlock or not.
~Jaramie
sent by my ION
I do t use usb 3.0 with my phone. All I want to know at this point is since my phone is with o2 and my bootloader is locked has fastboot also been locked? My phone is rooted, there must be a way to unblock fastboot if that is the case
Sent from my LT26i using xda app-developers app
Hmm, nothing happens at all when I hold the vol up key my phone just boots as normal
Sent from my LT26i using xda app-developers app
AndrewMPhoto said:
Hmm, nothing happens at all when I hold the vol up key my phone just boots as normal
Sent from my LT26i using xda app-developers app
Click to expand...
Click to collapse
Then no fastboot. My AT&T branded Ion is this way. When I do the service code in previous post, configuration shows bootloader unlockable NO. Means no official unlock, no unofficial way yet to unlock at all
~Jaramie
sent by my ION
Xperia SOFT-BRICK Recovery Thread
Mann thats lame. Hopefully there will be an unofficial way at some point!
Sent from my LT26i using xda app-developers app

[Q] cannot flash xperia arc s

while using flashtool to flash a kernel on my phone, after turning off the phone and pressing back button nothing happens
i cant flash my phone......:crying: please help
MrAjinkya said:
while using flashtool to flash a kernel on my phone, after turning off the phone and pressing back button nothing happens
i cant flash my phone......:crying: please help
Click to expand...
Click to collapse
is your phone Rooted? Bootloader unlocked?
You cand flash kernel in flash mode.
You have to enter fastboot mode. Holding the menu button. It should result in blue led
Sent from my Xperia Arc S using xda premium

[Q] Cant enter recovery

Hello!
Just unlocket my bootloader with freegee. I have the E975 device with v10d. I have chosen the CWM touch. But i could not enter. It just entered fastboot. Then tried again with freegee but this time i picked the other one. Version 2.5. Still just enters fastboot.
I searched the threads, Only hits i got was some failure about the boot. Not the same problem i have.
hi. when youre in fastboot mode press vol down i think twice then power and you should boot into recovery or vol upp twice dont remember if it is up or down twice
Sent from my LG-E975 using xda premium
Balano said:
Hello!
Just unlocket my bootloader with freegee. I have the E975 device with v10d. I have chosen the CWM touch. But i could not enter. It just entered fastboot. Then tried again with freegee but this time i picked the other one. Version 2.5. Still just enters fastboot.
I searched the threads, Only hits i got was some failure about the boot. Not the same problem i have.
Click to expand...
Click to collapse
Use quick reboot app frm play store to enter recovery mode.... :thumbup::thumbup:
Sent from my LG-E975 using xda premium
hasan4791 said:
Use quick reboot app frm play store to enter recovery mode.... :thumbup::thumbup:
Sent from my LG-E975 using xda premium
Click to expand...
Click to collapse
I somehow managed to boot into clockwork touch through ROM Manager after a try or two. But i know i flashed TWRP 2.5 last time. There wont be trouble with them interfering?
bihslk said:
hi. when youre in fastboot mode press vol down i think twice then power and you should boot into recovery or vol upp twice dont remember if it is up or down twice
Sent from my LG-E975 using xda premium
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Click to collapse
THANK YOU! I couldn't enter recovery after some nasty bootloop. You helped a lot! It was power+volume_up to get to fastboot, then tap volume_up twice then tap power and done!

[Q] xperia play r800i can't get into fastboot mode?

View attachment 2822477
I can't boot into fastboot mode from my xperia play r800i in order to iinstall a cfw (xElite Gamer rom). Anyone know why? Flash tool say's the device will enter fastboot mode soon but it just reboots without going into anything.
himesh26 said:
View attachment 2822477
I can't boot into fastboot mode from my xperia play r800i in order to iinstall a cfw (xElite Gamer rom). Anyone know why? Flash tool say's the device will enter fastboot mode soon but it just reboots without going into anything.
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Click to collapse
Did u try to hold search button and plug usb when ur phone is off???
Sent from my R800i using XDA Premium 4 mobile app
raminta said:
Did u try to hold search button and plug usb when ur phone is off???
Sent from my R800i using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Yep I tried that. I also returned the phone to stock then did it but the phone still refuses to go into fastboot mode
Edited for wrong information

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