loop problem - Sony Xperia XZ Premium Questions & Answers

Good afternoon I have unblocked the bootloader but now I have a looping problem I have installed Windows but now I am in a loop and it does not pass the start screen.
also figure "Your device has been unlocked and can't be trusted",
can you help me

Try to factory reset it.. Press and Hold together:*Power Button + Volume Up*Button for several seconds
Follow the menu at LCD screen to continue the hard reset*SONY XPERIA XZ PREMIUM*
Sent from my G8142 using XDA-Developers Legacy app

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Nexus 5 stuck in boot loop and cant access boot loader

i flashed the latest nightly of AOKP today and then restored all my apps and data with titanium backup. When the restore was complete it prompted me to reboot my device so i did. ever since then i have been unable to reboot my phone as it is stuck on the start up screen. i then tried to restore from a backup of my other rom and then found out that i couldn't boot into the boot loader as when i held down the power and + volume button the startup would begin and then the phone would turn off. any ideas on how to fix this.
What it's happening is your stuck in a boot loop.
When you are holding power and volume down the phone is only interested in the power button part. Which is why it's powering off.
Just keep the buttons held both power and volume down. When it powers off keep them held and you should come into the bootloader
Sent from my Nexus 4 using xda app-developers app
I have tried that but it just goes tocthe Google screen then turns off again
rdodds97 said:
when i held down the power and + volume button the startup would begin and then the phone would turn off. any ideas on how to fix this.
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Not sure if the quote is a typo or not, but it should be power and - volume. You can also try power and both volume buttons, which will take you to the secondary boot loader.
adrman said:
Not sure if the quote is a typo or not, but it should be power and - volume. You can also try power and both volume buttons, which will take you to the secondary boot loader.
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Click to collapse
If the phone is turned on and you press both volumes and power keys then you get qhusb mode
Sent from my Nexus 5 using xda app-developers app
bitdomo said:
If the phone is turned on and you press both volumes and power keys then you get qhusb mode
Sent from my Nexus 5 using xda app-developers app
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I assumed the op was able to completely power down by just continuing to hold the power button and possibly had the wrong button combo.
What do you mean by start up screen?
You see the screen tells you "Google" and it stays there?
Sent from my Nexus 5 using xda app-developers app
bitdomo said:
What do you mean by start up screen?
You see the screen tells you "Google" and it stays there?
Sent from my Nexus 5 using xda app-developers app
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Yes but then it goes to the 4 coloured circles which move around and it stays there
rdodds97 said:
Yes but then it goes to the 4 coloured circles which move around and it stays there
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Hold your power button down for 30 to 60 seconds. You should be powered down. Then try to get into the boot loader. Vol down + power. Dues it get into bootloader?
adrman said:
Not sure if the quote is a typo or not, but it should be power and - volume. You can also try power and both volume buttons, which will take you to the secondary boot loader.
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Click to collapse
I can now access recovery mode which is all I need. I have always thoight it was power and volume + but I must have been confused with my tablet z. Thank you all anyway for helping me
rdodds97 said:
I can now access recovery mode which is all I need. I have always thoight it was power and volume + but I must have been confused with my tablet z. Thank you all anyway for helping me
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Great news!
Sent from my Nexus 5 using Tapatalk
Hi guys.
Sorry for bumping but I have the same issue and for me it wasn't fixed by going in recovery mode. I already tried deleting cash, and even tried getting back to factory settings. But still, when i restart the phone, the same loop keeps occuring.
At first it always just went to 'google' and then rebooted and rebooted. Now it just keeps stuck with the google logo (the 4 colour image).
Could someone help me possibly?
Thanks in advance
Kevin
cryptail said:
Hi guys.
Sorry for bumping but I have the same issue and for me it wasn't fixed by going in recovery mode. I already tried deleting cash, and even tried getting back to factory settings. But still, when i restart the phone, the same loop keeps occuring.
At first it always just went to 'google' and then rebooted and rebooted. Now it just keeps stuck with the google logo (the 4 colour image).
Could someone help me possibly?
Thanks in advance
Kevin
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Click to collapse
Hi Kevin,
Try LG flashtool. Link in my signature. If you have the 32GB version of the american nexus 5 (D820) you can use the converted firmware without any problem. It was tested numerous time.
You can also try to reflash stock google rom in fastboot mode http://forum.xda-developers.com/google-nexus-5/general/tutorial-how-to-flash-factory-image-t2513701
If you are using LG flashtool and you get error about cant format userdata and/or cache or by checking the flashing log you see timeout errors then your phone have a fauilty emmc. If you are using the fastboot method and you see "remote: flash write failure" text in the CMD window then you have fauilty emmc. Your only option is to rma your phone if bought from google or claim your warranty from LG if your phone is not from Google and you have the receipt of your phone.

[Resolved] [Q] Asus Zenfone 5 stuck at boot screen (soft brick maybe)

Hey guys...
My Zenfone 5 won't boot up. It just stops at the android screen and doesn't go any further.
I can't remove the battery as i don't have the proper tools.
how it got bricked:
I powered off my phone by pressing power button and shutdown, it was connected to my pc at the moment. i didnt wait for the charging symbol(the green battery with a lightning symbol in center) to show up, but i tried to boot into bootloader before the charging symbol showed. when i got the android screen i didnt let go the power button, so my device switched off again. once more i tried into bootloader, i didnt let go the power button, again switched off. now i hold both power and volume up to go into bootloader, and i let go power button, but it is stuck at the same screen and wont go any further.
i tried adb reboot but adb doesnt recognize my device.
Please help.
Device runs android 4.4.2 and is rooted.
Never mind...
I got it working after i hold the power button for 8 seconds and then rebooting again.
A good bit of advice: don't be hasty when ur modifying your phone. I should have thought twice before starting this thread.
Do u know how to unlock the Asus Boot loader and lock the boot loader back.
Sent from my SM-N9005 using XDA Free mobile app
Predator Aaron said:
Do u know how to unlock the Asus Boot loader and lock the boot loader back.
Sent from my SM-N9005 using XDA Free mobile app
Click to expand...
Click to collapse
The asus bootloader is already unlocked, to the best of my knowledge. (when i tried power button+ volume up while switched off, and released ONLY the power button when the "in search of incredible" screen showd up, i got into the stock bootloader direclty, which should be droidboot.)

Help with bootloop and adb!?

So suddenly out of nowhere my xt1032 moto g goes into bootloop with 41.18 bootloader, blisspop rom and optimus kernel.
I can't hold volume down and power to go to the recovery since it keeps bootlooping 24/7 or as long as battery lasts.
Adb doesn't find device BUT my computer finds it for like 10 seconds every time it boots up again? Any help? i've tried installing motorola drivers again and again and same with adb. i've ran out of ideas! Plase xda someone help :fingers-crossed:
Try to hold both volume buttons while switching on the phone. It should boot into bootloader. There you have an option for entering to recovery.
Sent from my XT1039 using XDA Free mobile app
End the boot loop by holding power button until phone turns off.

nexus 5 stuck in boot loop and usb debugging is not enabled !!

hey friends plz help me.
my nexus 5 was facing a strange problem. when ever i try to switch on/ off screen using power button then the device vibrates and camera starts and cell restarts.
i thought it would be a small bug and i did a factory reset but then i still faced the same problem.
after reading on threats i tried to clear cache and the moment i did it from the bootloader by cell got stuck in boot loop.
usb debugging is not enabled as i did a factory reset and now from last 3 days it is stuck in boot loop.
i also tried to open recovery mode but it does not start. i get a android lying on his back with a red exclamatory mark and then again the device restarts into boot loop
plz help me friends as i have only this cell to use and i can not contact anyone because it is not working.
Possible power button problem?
You were almost in recovery: press the Power button to select Recovery Mode.
– after that you will see an Android robot tilted and showing a red warning sign. Now, you need to press and hold POWER, and then press the Volume Up button once.
It definitely could be a power button issue. I would try factory reset from recovery since it wouldn't make things worse.
Sent from my Nexus 5 using Tapatalk
Try Fastboot boot recovery.img to load recovery on phone
Sent from my AO5510 using Tapatalk

[Completed] HTC One M8 stuck in bootloop

Hi Everyone.
Firstly let me thank all the android tech support people in this forum, giving the great advice for the noobs like myself.
My problem
I recently Factory reset my HTC One M8 and now its stuck in a boot loop. when i power the phone on it hangs on the HTC logo screen. When the phone is on the power button does nothing when pressed on its own. Sometime if I do a hard reset by pressing vol+ and power it goes past the logo screen to android is starting, optimizing app but once it runs through all the apps it hangs on android is starting, starting apps.
Things I have tried.
loading bootloader using vol- and power, doesn't work
Hard resetting using vol+ and power, turns phone off but again hangs on logo screen, sometimes optimizes apps but hangs there.
Connecting to computer and running ADB, ADB doesn't find phone due to not being able to put phone into debugging mode.
Entering fastboot mode using power on then when phone loads quickly pressing vol- and single pressing power, doesn't work
hard resetting and when phone goes black, trying to enter recovery mode by pressing vol- and power, doesn't work
anyone with any ideas?
any advice would be greatly appreciated.
Hello,
you asked here:
HTC one M8 stuck in bootloop
No need to keep this thread open.
Thread closed.
Kind regards
Trafalgar Square
XDA Assist

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