[Completed] Help! ZTE A450 brick? - XDA Assist

Hello, need some help with my A450.
Problem:
It goes on(about 20 seconds) and off(about 10 seconds) and on and off and so on, to logo screen....for the last 10 hours.
How did i get at this
Trying this: http://forum.xda-developers.com/android/general/rom-arcatarcs-umi-zero-emumi-t3014306
My phone was rooted already with Kingo Root.
Had a problem with rashr, so i tried Rom Installer by JRummy.
Now, only thing i can do is power+sound up for some seconds, to get to a list:
1. Recovery Mode
2. Fastboot Mode
3. Normal Boot
But, none of these options has any effect...
EDIT: Managed to turn it off, holding power+volume down for about 10 seconds. Then, turned it on to get to above mentioned loop

Tsinaris said:
Hello, need some help with my A450.
Problem:
It goes on(about 20 seconds) and off(about 10 seconds) and on and off and so on, to logo screen....for the last 10 hours.
How did i get at this
Trying this: http://forum.xda-developers.com/android/general/rom-arcatarcs-umi-zero-emumi-t3014306
My phone was rooted already with Kingo Root.
Had a problem with rashr, so i tried Rom Installer by JRummy.
Now, only thing i can do is power+sound up for some seconds, to get to a list:
1. Recovery Mode
2. Fastboot Mode
3. Normal Boot
But, none of these options has any effect...
EDIT: Managed to turn it off, holding power+volume down for about 10 seconds. Then, turned it on to get to above mentioned loop
Click to expand...
Click to collapse
Hi, thanks for using XDA Assist!
Please post your question here:
http://forum.xda-developers.com/showthread.php?t=2257421
You'll find expert advice there.
Good luck!
Thread closed.

Related

[Completed] A Unique Bootloop? (Challenge)

Okay so I have a bit of a situation and looking for some helpful advice, I'm not a complete novice but I seem to have gotten myself VERY stuck.
The Specifications:
Samsung Note 3 (rooted)
TWRP
Safe Strap
Rebooted recently and was in TWRP and accidentally chose "Recovery", phone now continuously Reboots into Recovery Mode in the upper left of the screen. I've tried to do the Volume Up + Power + Home button to no avail and every other combination I can think of, resulting in The same .. Reboot Recovery Option in the top left after about 10 seconds it Vibrates twice and reboots again.
I can't access TWRP, can't access Stock Recovery, Can't plug it into a PC as it just reboots over and over again after it gets power. Read a few things about Fastboot (Don't know if Note 3 Supports that, and Maybe Odin but I can't see how I'm to flash anything if it just immediatly reboots as soon as I plug it in)
HELP!
XDA Visitor said:
Okay so I have a bit of a situation and looking for some helpful advice, I'm not a complete novice but I seem to have gotten myself VERY stuck.
The Specifications:
Samsung Note 3 (rooted)
TWRP
Safe Strap
Rebooted recently and was in TWRP and accidentally chose "Recovery", phone now continuously Reboots into Recovery Mode in the upper left of the screen. I've tried to do the Volume Up + Power + Home button to no avail and every other combination I can think of, resulting in The same .. Reboot Recovery Option in the top left after about 10 seconds it Vibrates twice and reboots again.
I can't access TWRP, can't access Stock Recovery, Can't plug it into a PC as it just reboots over and over again after it gets power. Read a few things about Fastboot (Don't know if Note 3 Supports that, and Maybe Odin but I can't see how I'm to flash anything if it just immediatly reboots as soon as I plug it in)
HELP!
Click to expand...
Click to collapse
Hi, thanks for using XDA assist!
First, please create an account so you can post in other forums.
Here is your device's main forum area:
(You should bookmark this)
http://forum.xda-developers.com/galaxy-note-3
After creating your account, you can post your question here:
http://forum.xda-developers.com/galaxy-note-3/help
The experts for your device are located there and will be able to help.
Good luck!

[Completed] Motorola Moto G stuck on boot screen (and then shuts off)

Device: Motorola Moto G (2013)
Android version: Lollipop (best guess is 5.1.1, but I am not entirely sure)
A couple of days ago it shut off by itself. I tried turning it on again:
1. By normally pressing the power button - it went to the boot screen where it displays the Motorola logo, vibrated once, stayed there a few seconds and then shut off.
2. By going to fastboot and trying normal powerup - same as (1).
3. By going to fastboot and trying recovery mode - the image of the Android robot fixing itself came up (no options were provided to me), from where it went again to the boot screen and then shut off as in (1).
4. By going to fastboot and trying factory reset - same as (1).
I have not managed to find any resource that helps with such a problem. Could you please help me out with where I can ask this?
Thanks.
vezance said:
Device: Motorola Moto G (2013)
Android version: Lollipop (best guess is 5.1.1, but I am not entirely sure)
A couple of days ago it shut off by itself. I tried turning it on again:
1. By normally pressing the power button - it went to the boot screen where it displays the Motorola logo, vibrated once, stayed there a few seconds and then shut off.
2. By going to fastboot and trying normal powerup - same as (1).
3. By going to fastboot and trying recovery mode - the image of the Android robot fixing itself came up (no options were provided to me), from where it went again to the boot screen and then shut off as in (1).
4. By going to fastboot and trying factory reset - same as (1).
I have not managed to find any resource that helps with such a problem. Could you please help me out with where I can ask this?
Thanks.
Click to expand...
Click to collapse
Hi, thanks for using XDA Assist!
Please post your question here:
http://forum.xda-developers.com/moto-g/help
Your device experts are located there.
Good luck!
Thread closed.

[Completed] Android boot loop - is my device dead?

Hello All,
This is my first post at this forum.
I've come to a point where I'm on the verge of giving up.
A few days ago my Nexus 5 entered a boot loop without me doing anything special with it - it was just in my pocket.
All see is the google logo for a few seconds , then the screen goes down for a few more, and back to the google logo.
I'm able to go into fastboot by hold down the volume down (only) button when this happens, but the boot loop happens when I choose to boot into recovery mode.
My device has an unlocked bootloader.
I have fast boot access and no ADB (ADB wait-for-device doesn't work).
Went over a tutorial from androidforums.com and flashed a completely new image using fastboot.
The entire process worked, but the phone is still at the same state.
I've read that there is and issue with the power button on these devices - so I tried all methods of knocking it against stuff without success.
I've taken it to a lab nearby and the guy there was sure it was the power button. He said he fixed about 50 of these already - after a few hours he called me up and said he had replaced the power button 3 times and he's giving up.
in short , this is the current situation :
1. Device stuck in bootloop - only google logo is seen
2. can boot into fastboot (and have fastboot access from PC) but can't boot into recovery
3. flushing a stock succeeds but won't help
4. power button seems o.k.
I am about to call this a bricked phone and look for a new one but something inside me tells me that this might still be a software issue and can be fixed.
I would be happy to know if there is a way to know what is failing in the boot sequence. or maybe load a debug application on to the device to check the HW. I've yet to find any help in that direction.
I'm a software eng. working in the cellular comm. field, so I'm up for anything that anyone has in mind.
Thanks,
Ran.
XDA Visitor said:
Hello All,
This is my first post at this forum.
I've come to a point where I'm on the verge of giving up.
A few days ago my Nexus 5 entered a boot loop without me doing anything special with it - it was just in my pocket.
All see is the google logo for a few seconds , then the screen goes down for a few more, and back to the google logo.
I'm able to go into fastboot by hold down the volume down (only) button when this happens, but the boot loop happens when I choose to boot into recovery mode.
My device has an unlocked bootloader.
I have fast boot access and no ADB (ADB wait-for-device doesn't work).
Went over a tutorial from androidforums.com and flashed a completely new image using fastboot.
The entire process worked, but the phone is still at the same state.
I've read that there is and issue with the power button on these devices - so I tried all methods of knocking it against stuff without success.
I've taken it to a lab nearby and the guy there was sure it was the power button. He said he fixed about 50 of these already - after a few hours he called me up and said he had replaced the power button 3 times and he's giving up.
in short , this is the current situation :
1. Device stuck in bootloop - only google logo is seen
2. can boot into fastboot (and have fastboot access from PC) but can't boot into recovery
3. flushing a stock succeeds but won't help
4. power button seems o.k.
I am about to call this a bricked phone and look for a new one but something inside me tells me that this might still be a software issue and can be fixed.
I would be happy to know if there is a way to know what is failing in the boot sequence. or maybe load a debug application on to the device to check the HW. I've yet to find any help in that direction.
I'm a software eng. working in the cellular comm. field, so I'm up for anything that anyone has in mind.
Thanks,
Ran.
Click to expand...
Click to collapse
Hello, and welcome to XDA!
It does sound like a hardware issue and it could be the power button, except for one thing: wouldn't a held down power button in fastboot cause a shutdown as well? Maybe not, but I thought I'd ask that.
At any rate, better to get an opinion from someone who actually has the deivce. Please create an account (so you post in other forums) and then post in this thread (can copy and paste from here):
> Google Nexus 5 > Nexus 5 Q&A, Help & Troubleshooting > [HELP THREAD] Nexus 5
Hope this helps, and good luck!

[Completed] Can't boot into download mode Samsung Galaxy S7

Ok, I bought a galaxy s7 from my friend, because he was getting a new phone, but I discovered that wifi wasn't working at all, so I thought it had to do something with the firmware and I decided to flash the rom with odin, with a newer version of the firmware.
This is where all my problems started, when I restarted my phone for the first time I noticed that the startup/booting animation was some weird ****, not like the usual one (the samsung logo) but was a weird loud animation with the letters of MTK, in that moment what came to my mind was that I just could be a custom rom or just a custom boot animation, so I didn't gave it too much attention, I continued to do what I was gonna do and tried to boot my phone into download mode with the classic normal method , Volum Down+Home+Power, when I tried this apparently It didn't work, I could stay there pressing the buttons for like 5 minutes and nothing would happen, and once I would release them, the phone would turn on and do the weird animation and boot like normal, at this point I was already worried so I proceded to Root my phone with KingRoot and install an app to manually boot my phone into download mode, it didn't worked. After hours of searching for a solution I found about ADB and I did all the steps to boot my phone from there, still nothing, when I typed the "abd reboot download mode" or something like that, the phone would just restart and do the ****ing weird animation again, so I tried booting into recovery mode and when I tried to do it, an android robot would appear laying on the ground with his chest open, and the words "No command". When I would press the home button the phone would react and send me to the recovery mode, normal.
So I'm begging you guys for help, since I don't know what to try now.
It looks like the download mode or maybe the firmware is broken, and I can barely do something without the download mode, pls help.
What I've tried so far:
-Basic 3 buttons method (can't remove battery, it's an s7)
- ADB method
- ADB fastboot method
- Vol Up+Vol Down+Home+Power
- Can't do anything with Odin since I need download mode
- Tried to install twrp recovery mode from ADB but says that It didn't found the file
If someone knows a solution for this please tell me what I can do.
Hello,
Welcome to XDA.
Try posting your question in the forum linked below.
http://forum.xda-developers.com/galaxy-s7/help
The experts there may be able to help.
Register a XDA account in order to post and reply in the forums. Good luck.

Samsung S7 can't boot into download mode

Ok, I bought a galaxy s7 from my friend, because he was getting a new phone, but I discovered that wifi wasn't working at all, so I thought it had to do something with the firmware and I decided to flash the rom with odin, with a newer version of the firmware.
This is where all my problems started, when I restarted my phone for the first time I noticed that the startup/booting animation was some weird ****, not like the usual one (the samsung logo) but was a weird loud animation with the letters of MTK, in that moment what came to my mind was that I just could be a custom rom or just a custom boot animation, so I didn't gave it too much attention, I continued to do what I was gonna do and tried to boot my phone into download mode with the classic normal method , Volum Down+Home+Power, when I tried this apparently It didn't work, I could stay there pressing the buttons for like 5 minutes and nothing would happen, and once I would release them, the phone would turn on and do the weird animation and boot like normal, at this point I was already worried so I proceded to Root my phone with KingRoot and install an app to manually boot my phone into download mode, it didn't worked. After hours of searching for a solution I found about ADB and I did all the steps to boot my phone from there, still nothing, when I typed the "abd reboot download mode" or something like that, the phone would just restart and do the ****ing weird animation again, so I tried booting into recovery mode and when I tried to do it, an android robot would appear laying on the ground with his chest open, and the words "No command". When I would press the home button the phone would react and send me to the recovery mode, normal.
So I'm begging you guys for help, since I don't know what to try now.
It looks like the download mode or maybe the firmware is broken, and I can barely do something without the download mode, pls help.
What I've tried so far:
-Basic 3 buttons method (can't remove battery, it's an s7)
- ADB method
- ADB fastboot method
- Vol Up+Vol Down+Home+Power
- Can't do anything with Odin since I need download mode
- Tried to install twrp recovery mode from ADB but says that It didn't found the file
If someone knows a solution for this please tell me what I can do. Sorry for bad english, right now I'm kinda exhausted because I've been trying over and over methods for like about 6+ hours
i had the same problem, phone is password pretected and cannou use factory reset and also phone wownt boot in download mode
OhLookItsChris said:
Ok, I bought a galaxy s7 from my friend, because he was getting a new phone, but I discovered that wifi wasn't working at all, so I thought it had to do something with the firmware and I decided to flash the rom with odin, with a newer version of the firmware.
This is where all my problems started, when I restarted my phone for the first time I noticed that the startup/booting animation was some weird ****, not like the usual one (the samsung logo) but was a weird loud animation with the letters of MTK, in that moment what came to my mind was that I just could be a custom rom or just a custom boot animation, so I didn't gave it too much attention, I continued to do what I was gonna do and tried to boot my phone into download mode with the classic normal method , Volum Down+Home+Power, when I tried this apparently It didn't work, I could stay there pressing the buttons for like 5 minutes and nothing would happen, and once I would release them, the phone would turn on and do the weird animation and boot like normal, at this point I was already worried so I proceded to Root my phone with KingRoot and install an app to manually boot my phone into download mode, it didn't worked. After hours of searching for a solution I found about ADB and I did all the steps to boot my phone from there, still nothing, when I typed the "abd reboot download mode" or something like that, the phone would just restart and do the ****ing weird animation again, so I tried booting into recovery mode and when I tried to do it, an android robot would appear laying on the ground with his chest open, and the words "No command". When I would press the home button the phone would react and send me to the recovery mode, normal.
So I'm begging you guys for help, since I don't know what to try now.
It looks like the download mode or maybe the firmware is broken, and I can barely do something without the download mode, pls help.
What I've tried so far:
-Basic 3 buttons method (can't remove battery, it's an s7)
- ADB method
- ADB fastboot method
- Vol Up+Vol Down+Home+Power
- Can't do anything with Odin since I need download mode
- Tried to install twrp recovery mode from ADB but says that It didn't found the file
If someone knows a solution for this please tell me what I can do. Sorry for bad english, right now I'm kinda exhausted because I've been trying over and over methods for like about 6+ hours
Click to expand...
Click to collapse
No idea really but just to be sure. Did you try switching off phone completely and then trying 3 button combo for download mode?
Also post that **** boot animation logo as that might help us figure what you have flashed on phone.
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