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XZ not booting: Red LED and 3 short vibrartions, then reboots

My XZ appears to be not booting for some reason.
When I try to power up the device, the LED indicator turns red, the phone vibrates shortly for three times and switches back off.
I tried to have a little research on what the different colours of LED means on the XZ and what this three short vibrations mean but could not find much.
Any thoughts?

The battery is empty,connect it to wall charger.
Sent from my C6603 using xda premium

gm007 said:
The battery is empty,connect it to wall charger.
Sent from my C6603 using xda premium
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Click to collapse
But... It had 73% when I switched it off, it cannot be dead.
Moreover, even when I try to plug it to the wall, it does the exact same thing again anyway, just tried anyhow.

AlienCraB said:
But... It had 73% when I switched it off, it cannot be dead.
Moreover, even when I try to plug it to the wall, it does the exact same thing again anyway, just tried anyhow.
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Click to collapse
Does the charging animation screen appear?
Sent from my C6603 using xda premium

gm007 said:
Does the charging animation screen appear?
Sent from my C6603 using xda premium
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Nope, the screen doesn't even light up, just the LED indicator going red first, 3 seconds nothing, 3 vibrations, reboots, repeats.

AlienCraB said:
Nope, the screen doesn't even light up, just the LED indicator going red first, 3 seconds nothing, 3 vibrations, reboots, repeats.
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Click to collapse
Keep pressing volume up + power for 15 sec and try again.
Or
Use pc companion to repair your phone.
Sent from my C6603 using xda premium

gm007 said:
Keep pressing volume up + power for 15 sec and try again.
Or
Use pc companion to repair your phone.
Sent from my C6603 using xda premium
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Click to collapse
I'm beginning to think the power button is not responding actually.
It does nothing on press and the only way I can get the LED to go red and give me the three vibrations is to plug the phone to the wall.
Odd. It was just on the desk, unplugged, switched on when this happened, the screen didn't respond for touches a moment, so I thought I'd give it a restart, then it didn't switch on again.

gm007 said:
Keep pressing volume up + power for 15 sec and try again.
Or
Use pc companion to repair your phone.
Sent from my C6603 using xda premium
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Click to collapse
The phone just booted, as if nothing happened.
I'll see if I can somehow replicate the problem.

AlienCraB said:
The phone just booted, as if nothing happened.
I'll see if I can somehow replicate the problem.
Click to expand...
Click to collapse
Could be the volume up button is somehow broken.
Sent from my C6603 using xda premium

gm007 said:
Could be the volume up button is somehow broken.
Sent from my C6603 using xda premium
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Click to collapse
I found something like this in another thread posted by someone, by my understanding, tried to flash a Note 2 ROM on his/her XZ.
lilstevie said:
turn your phone completely off (hold vol-up + power until you get 3 vibrations) then hold down volume down, and insert the usb cable, this will put the device into flash mode, then use EMMA, FlashTool, or PC Companion to restore to stock.
The red light issue that you are seeing sounds like one of 2 issues, the red light shines like that when the battery is flat and needs to be charged before it can boot, or if you flash an unsigned kernel when the bootloader is locked.
Click to expand...
Click to collapse
The volume up button seems to work fine though.
Funny thing, though, is my bootloader has been unlocked since the day I got the device. I just don't get what may have caused this. It's back to normal now, mind you, yet still is worrying about stability of my device.

[[SOLVE]] [Q] PLease Help me...Xperia V Sudden Death Issue

Hi all, im new here and this is my first post and my first problem....my Xperia V suddenly death when i just restarting it... i press the power button and it vibrate a while then nothing shows and happen at all...what should i do? please help.... :crying: :crying:

he/she asked us a Question!
lunul said:
Hi all, im new here and this is my first post and my first problem....my Xperia V suddenly death when i just restarting it... i press the power button and it vibrate a while then nothing shows and happen at all...what should i do? please help.... :crying: :crying:
Click to expand...
Click to collapse
I hate such none- responsibility of xda members
Give it a damn answer plz
Coz i xprienced dis 1ce! Xgo jb

It's a little too little info I guess.
If it has the stock software, I'd use PC Companion to repair it. Connect your phone via USB, wait for a 20 s, start PC Companion. Ignore it says phone not detected and start repair.

i have same problem to my xperia T lt30i. when i press power button. red light will be on off 2 times and nothing response.? can any have solution of this? please reply me. on my id
[email protected]
Sent from my GT-S5360 using xda app-developers app

Flash stock fw using the flastool and you will be good to go.
Sent from my Xperia T using xda app-developers app

i thought sod already missing in jb firmware, to solved it, try pull your battery, then leave it for couple of minutes, then plug it in and don't turn on just yet, go charge it first till yellow charging light appear, then you can on your phone..it takes couple of minute for the red light to appear, so just wait...

xperia z is dead:(need urgent help

hi folks
Im absolutely stressed and not impressed with Sony device and this one would be definitely my last one from Sony
I dont know what happed but today phone stopped to work and is in standstill. basically in the morning everything as fine that I fall asleep and phone usually woke me up. i noticed that i have a missed connection and this is the point that problems begun - I could access phone book. When i as clicking on icon with handset Ive got pop up information that app is not working, so I tried several times to open it up again adn eventually I finish by blocking phone totally. Right now I see black screen with Information bar on top showing icon of antivirus battery and clock (wrong hour) and at bottom icons of usual on screen bottoms. I tried to press and hold main switch but there is no reaction other that showing this screen I have described. Battery is built in so Im in deep sh...t now.
I can add that my phone was not rooted and I didnt play around with unofficial software.Please help me to restart xperia

Press and hold power button + volume+ button until it turn off. And try turn on again.
Sent from my LT28h using xda app-developers app

faral said:
hi folks
Im absolutely stressed and not impressed with Sony device and this one would be definitely my last one from Sony
I dont know what happed but today phone stopped to work and is in standstill. basically in the morning everything as fine that I fall asleep and phone usually woke me up. i noticed that i have a missed connection and this is the point that problems begun - I could access phone book. When i as clicking on icon with handset Ive got pop up information that app is not working, so I tried several times to open it up again adn eventually I finish by blocking phone totally. Right now I see black screen with Information bar on top showing icon of antivirus battery and clock (wrong hour) and at bottom icons of usual on screen bottoms. I tried to press and hold main switch but there is no reaction other that showing this screen I have described. Battery is built in so Im in deep sh...t now.
I can add that my phone was not rooted and I didnt play around with unofficial software.Please help me to restart xperia
Click to expand...
Click to collapse
try to make a forced shutdown

djnino4style said:
try to make a forced shutdown
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Click to collapse
Isn't it be power + vol+ button in XZ?
Sent from my LT28h using xda app-developers app

faral said:
hi folks
Im absolutely stressed and not impressed with Sony device and this one would be definitely my last one from Sony
Click to expand...
Click to collapse
If I had a £1 for every time I've read that on here, myself included. :silly:
faral said:
I can add that my phone was not rooted and I didnt play around with unofficial software.Please help me to restart xperia
Click to expand...
Click to collapse
Reflash with SUS or the flashtool, and a soft reset on the Z is Vol+ & Power button together btw.

pharix said:
Press and hold power button + volume+ button until it turn off. And try turn on again.
Sent from my LT28h using xda app-developers app
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Click to collapse
thank you thank you thank you. now phone is back to life.
thanks to all of you for quick reply.jasus I thought I lost all of my contacts (no backup of course) recent photos, addresses. I had nearly heart attack
well now I even realize how many grammar mistakes I ve done when writing previous message.

faral said:
thank you thank you thank you. now phone is back to life.
thanks to all of you for quick reply.jasus I thought I lost all of my contacts (no backup of course) recent photos, addresses. I had nearly heart attack
well now I even realize how many grammar mistakes I ve done when writing previous message.
Click to expand...
Click to collapse
Glad to heat.
Sent from my LT28h using xda app-developers app

Congratulations.
Did you use SEUS or just hold the buttons?

Sunfl4sh said:
Congratulations.
Did you use SEUS or just hold the buttons?
Click to expand...
Click to collapse
I was jest holding the buttons

Bootloop

hello, just a question. after installing the trinity custom rom, i installed the fullscreen toggle app. aftr that my phone just turn off, im not stuck on the sony logo, my phone shows the sony logo and after that, it shows again. i tried to hold the button at the back but it doesnt turn off the phone and doesnt vibrate.i hold it for 15secs and up but the phone turn off and turn on again after 2 secs. by the way, my phone is charging if i connect it to the charger. i cant connect to the flashtool. how can i fix my phone?
will i let my phone just become low battery for it to turn off and then charge it again? how long will it take for it to become low battery? my phone is heating up because of the on and off thing.please help me.

I had this issue and sent back to Sony under warranty, had notice to say should be back in 24-72 hrs.
If you don't have option to send to Sony try phone store and get them to remove battery and flash stock again....or if feeling brave do your self
Sent from my LT15i using xda premium

zolaisugly said:
I had this issue and sent back to Sony under warranty, had notice to say should be back in 24-72 hrs.
If you don't have option to send to Sony try phone store and get them to remove battery and flash stock again....or if feeling brave do your self
Sent from my LT15i using xda premium
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Click to collapse
luckily, i turn my phone off. i dont know what happen but it turn off. i flash using flashtool and its okay again.
thanks man for the reply.

sarkissmae said:
luckily, i turn my phone off. i dont know what happen but it turn off. i flash using flashtool and its okay again.
thanks man for the reply.
Click to expand...
Click to collapse
Glad you got it sorted.
How did you turn off as your original post said you couldn't, just in case it happens again to me when flashing mods.
Sent from my Nexus 7 using xda premium

zolaisugly said:
Glad you got it sorted.
How did you turn off as your original post said you couldn't, just in case it happens again to me when flashing mods.
Sent from my Nexus 7 using xda premium
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Click to collapse
i hold on the power button (sleep/wake button) and the off button at the back. i hold them at the same time. after feeling 3 vibrations, release the power button. the device should turn off now. when you feel one vibration. it doesn't turn off the phone. the phone will just boot up again.

isnt there a soft reset button on the back of the phone (you know the button you use a pen to press it).

mobile epidemic said:
isnt there a soft reset button on the back of the phone (you know the button you use a pen to press it).
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Click to collapse
yes. i said that i press the button at the back cover

sarkissmae said:
i hold on the power button (sleep/wake button) and the off button at the back. i hold them at the same time. after feeling 3 vibrations, release the power button. the device should turn off now. when you feel one vibration. it doesn't turn off the phone. the phone will just boot up again.
Click to expand...
Click to collapse
Hi, I have the same issue and I try this solution but it didn't work for me.
Because I want to try the trinity vengeance rom and I'm scared that if I have a bootloop, I can't turn off my phone.
Sorry for my english ^^
zolaisugly said:
I had this issue and sent back to Sony under warranty, had notice to say should be back in 24-72 hrs.
If you don't have option to send to Sony try phone store and get them to remove battery and flash stock again....or if feeling brave do your self
Sent from my LT15i using xda premium
Click to expand...
Click to collapse
Hi, your problem is solved?
Edit: I found the solution in the other topic in Q/A.
I hold the power button with volume up and the off button at the back.
I wait 3 vibrations and the phone turn off. Thanks to xda community
Envoyé depuis mon C5303 avec Tapatalk

Thanks to your guides I have found out a full solution for this. I'm come from Trinity...'s rom and have bootloop too.
1. Keep the device connected with PC by USB cable
3. Open and prepare a firmware in Flashtool
4. Flashtool notifies to have your phone connected in flashmode --> It's time to go
5. Press and hold combination of Volume Down + Power + Reset
6. After 3 times vibrating with GREEN Led blinking, have your fingers relaxed and your SP's been in flash mode then :good:
7. Bear in mind that you should be careful for the next time playing with Rom and mods! :laugh:
Click to expand...
Click to collapse

[Q] dead xperia z1

hii guys i have got a xperia z1 and suddenly it turn off and won't turn on i just tried everything even the red buttom but nothing happen sometimes a red light i'm asking if there is a solution to connect the phone with pc companion without pushing volume down until it shows the green light !!! plz help me any solution

mezhoud said:
hii guys i have got a xperia z1 and suddenly it turn off and won't turn on i just tried everything even the red buttom but nothing happen sometimes a red light i'm asking if there is a solution to connect the phone with pc companion without pushing volume down until it shows the green light !!! plz help me any solution
Click to expand...
Click to collapse
You are saying that when you are powering on the phone there is a red color going on the led....
Leave it to the charger for a while(couple hours) and it should work..

UltraWelfare said:
You are saying that when you are powering on the phone there is a red color going on the led....
Leave it to the charger for a while(couple hours) and it should work..
Click to expand...
Click to collapse
but the red light just works for two min that's it and sometimes for few seconds

mezhoud said:
but the red light just works for two min that's it and sometimes for few seconds
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Click to collapse
try changing the charger

juliheavy said:
try changing the charger
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Click to collapse
the same thing

uhg,the only thing that i believe is using flash tool, flash a new rom formating all, if you want using your phone

juliheavy said:
uhg,the only thing that i believe is using flash tool, flash a new rom formating all, if you want using your phone
Click to expand...
Click to collapse
i tried to flash it but it request to push the volume button and plug the cable , can i do it without pushing the button ?? today i tried to charge the phone it works it startup for 10 min everythings oki and then it shut down again

mezhoud said:
i tried to flash it but it request to push the volume button and plug the cable , can i do it without pushing the button ?? today i tried to charge the phone it works it startup for 10 min everythings oki and then it shut down again
Click to expand...
Click to collapse
uhg can be a hardware problem