Vivo y12s always reboots to fastboot - General Questions and Answers

After I updated my phone rom it only boots to fastboot mode and before then it reboots always and hangs on vivo logo then again and again
Can someone please help!

Halogen_xii said:
After I updated my phone rom it only boots to fastboot mode and before then it reboots always and hangs on vivo logo then again and again
Can someone please help!
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Click to collapse
Try wiping or flash stock firmware again.

Suji2k said:
Try wiping or flash stock firmware again.
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I've tried that already I even upgraded it to Android 11

Sometimes it might on boot up completely then few seconds after it reboots

Your phone's bootloader is misconfigured: it's the bootloader which tells the Android kernel what to boot into ( e.g. Fastboot, Recovery; Sideload, EDL, Normal ).
Try
Code:
fastboot devices
fastboot reboot
to have phone booting into Normal mode ( read: Android OS ).

Download Vivo y12s

Related

[Q] tried to install clean rom 2.1

i've tried to install clean rom 2.1 and after reboot got stuck with boot logo.pls help
reflash again with TWRP only !
After that it will be good ...
Fullpoweradonf said:
reflash again with TWRP only !
After that it will be good ...
Click to expand...
Click to collapse
thank you for reply.i've tried to do that,but when i use fastboot devices it showes 0000 fastboot, and when i tipe fastboot -i 0x0B05 flash recovery twrp.blob it gives me can't read or something like that twrp.blob.when i type adb devices it doesen't showes any.i stil have access to cw recovery also tried to restore my buckup it doesd it, but after reboot still hangs on logo screen
My TF300 T will now not boot and I have the following....
Normal Boot
Sticks at the first Asus Logo with the white 'Device is Unlocked' text
THEN REBOOTS OVER AN OVER ......
Powering on with Power & Vol DOWN pressed.
Hangs on the Asus logo with.......
'Android cardu-user bootloader <2.10e> released by "WW_epad-9.4.3.30-20120604" A03
Checking for android ota recovery
Booting recovery kernal image
THEN REBOOTS OVER TO NORMAL BOOT

Revert from OxygenOS to Cyannogen - problem with recovery

Hi,
Last month I've successfully switched my Oneplus One 16Gb to official Oxygen OS 2.1.4
Finaly I prefer the Cyanogen version and here I have a problem with the recovery tool.
I can't replace OxygenOS recovery at all and with it : not possible to install "super su" or cyanogen 12.1 rom.
With adb the installation of TWRP recovery or or cm12.1 recovery seems to work fine (transfer ok and no errors) but when I restart in recovery mode ((power + volume down) It's still OxygenOS Recovery in my phone.
Please help, I don't want to be stuck in this state :crying:
sylvainsjc said:
Hi,
Last month I've successfully switched my Oneplus One 16Gb to official Oxygen OS 2.1.4
Finaly I prefer the Cyanogen version and here I have a problem with the recovery tool.
I can't replace OxygenOS recovery at all and with it : not possible to install "super su" or cyanogen 12.1 rom.
With adb the installation of TWRP recovery or or cm12.1 recovery seems to work fine (transfer ok and no errors) but when I restart in recovery mode ((power + volume down) It's still OxygenOS Recovery in my phone.
Please help, I don't want to be stuck in this state :crying:
Click to expand...
Click to collapse
download the latest COS12.1.1 factory image to your pc, boot into fastboot mode and install the factory image via fastboot (flash aboot FIRST and do a "fastboot reboot bootloader" before you flash the rest ).
After that (or during, just replace recovery.img) you may install any custom recovery
Gesendet von meinem A0001 mit Tapatalk
Yes :good:
You brought me on the right track
I have successfully applied this method.
I nearly lost my phone because I had a power outage during the recovery but finally all is fine : I am back on COS 12.1.1 :victory:
A big thank-you
Revert from OxygenOS to Lineage - problem with recovery
Hi,
My phone OPO is currently running Oxygen Os
I am trying to switch to Lineage OS, however whenever the phone boots to the "Fast Boot" screen its just stuck at that.
Could someone please help me fix this?
[email protected] said:
Hi,
My phone OPO is currently running Oxygen Os
I am trying to switch to Lineage OS, however whenever the phone boots to the "Fast Boot" screen its just stuck at that.
Could someone please help me fix this?
Click to expand...
Click to collapse
Flash twrp with fastboot , then flash the lineage os :good:
Azhar_Fahry said:
Flash twrp with fastboot , then flash the lineage os :good:
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Click to collapse
Yes I am trying to flash TWRP
However, when I follow the below mentioned steps this is what i end up with :
List of devices attached
dc1c2a16 unauthorized
C:\Program Files (x86)\ClockworkMod\Universal Adb Driver>adb devices
List of devices attached
dc1c2a16 device
C:\Program Files (x86)\ClockworkMod\Universal Adb Driver>adb reboot bootloader
C:\Program Files (x86)\ClockworkMod\Universal Adb Driver>fastboot devices
C:\Program Files (x86)\ClockworkMod\Universal Adb Driver>fastboot oem unlock
< waiting for device >
And on the device screen it just reads "Fastboot mode"
So I kind of have the same problem but not exactly, I flashed the oxygen os and it worked perfectly but I wanted to change it to a nugget based rom and realized that I can not even boot into recovery. it gets stuck on the first oneplus logo that comes up and will not boot into the twrp. Any suggestions?
wait, so ur phone can't boot into the rom? or stuck at the fastboot mode everytime u try to turn on the phone ? I'm having that problem too, but I reinstall all the driver, and it worked.
Sent from my A0001 using Tapatalk
Azhar_Fahry said:
wait, so ur phone can't boot into the rom? or stuck at the fastboot mode everytime u try to turn on the phone ? I'm having that problem too, but I reinstall all the driver, and it worked.
Sent from my A0001 using Tapatalk
Click to expand...
Click to collapse
My device is just stuck at the Fast boot screen that shows a One Plus Logo under which "Fastboot Mode" is written after I try to boot into fast boot.
[email protected] said:
My device is just stuck at the Fast boot screen that shows a One Plus Logo under which "Fastboot Mode" is written after I try to boot into fast boot.
Click to expand...
Click to collapse
try to reinstall all the driver from this link ( https://goo.gl/MxKLjH ) and follow the instruction , i use that method and it worked
arashsh2002 said:
So I kind of have the same problem but not exactly, I flashed the oxygen os and it worked perfectly but I wanted to change it to a nugget based rom and realized that I can not even boot into recovery. it gets stuck on the first oneplus logo that comes up and will not boot into the twrp. Any suggestions?
Click to expand...
Click to collapse
Go to fastboot and flash latest twrp first. If you are rooted, you can do that also from running systen (flashify, twrp manager)
giaur said:
Go to fastboot and flash latest twrp first. If you are rooted, you can do that also from running systen (flashify, twrp manager)
Click to expand...
Click to collapse
Thank you for your response. I tried doing that but it gives me an error saying that there is already a twrp installed. I used Twrp Manager
giaur said:
Go to fastboot and flash latest twrp first. If you are rooted, you can do that also from running systen (flashify, twrp manager)
Click to expand...
Click to collapse
so I am still having the same issue, I got the latest twrp on there and still stuck, cant boot into recovery. everything I find online is about oneplus 2 and nothing about oneplus 1, can I use the same instructions for my oneplus1?
arashsh2002 said:
so I am still having the same issue, I got the latest twrp on there and still stuck, cant boot into recovery. everything I find online is about oneplus 2 and nothing about oneplus 1, can I use the same instructions for my oneplus1?
Click to expand...
Click to collapse
Yes, this is general procedure for any android phone. The only requirement is unlocked bootloader.
giaur said:
Yes, this is general procedure for any android phone. The only requirement is unlocked bootloader.
Click to expand...
Click to collapse
it is unlocked

OPO won't boot past boot logo, can't reach recovery

Hey guys.
Some issues right now....
I can't get the phone to boot. It gets stuck on boot logo. I can get it into fastboot, but not recovery.
If I try to enter recovery, it shows boot logo, then change brightness level a little bit for some reason, then nothing. Back to boot logo after screen goes black.
So it appears that the TWRP isn't installed correctly, but I've reinstalled it several times, but it never actually seems to work.
I can see the device in fastboot. Bootloader is also unlocked.
So, does anyone have a solution for this issue?
I can get it into fastboot
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Click to collapse
This is good news as it means you should be able to just flash the recovery from fastboot.
1. Download the latest TWRP Recovery: http://twrp.me/devices/bacon (I believe this is the link, it's blocked at school )
2. type the command
fastboot flash recovery /location/of/twrp/img
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Click to collapse
3. Wait for it to complete and then reboot the device by holding down power and volume down.
4. Then if it boots into TWRP you should be able to mount it on the computer you plug it into and then carry over a ROM and/or GApps files.
I'm in the exact same boat, happened after I tried an OTA update. I can't flash anything into the phone via ADB because my phone isn't recognised. isn't recognised in ADB. This is while I am in Fastboot. I'm on OSX.
Rorys-MBP:~ Rory$ adb devices
List of devices attached
Click to expand...
Click to collapse

stuck at bootloader , No OS No Recovery :(

hi my oneplus 7 pro 1910 stuck at bootloader and when i press start or recovery it gets back to the bootloader screen i cant even turn off the phone
i accidentally wiped all partitions in twrp and made a format .
anyhelp ? ive tried to do the fastboot rom flash but my pc doesnt detect my phone
i tried almost every solution i found but nothing works
Your bootloader needs to be unlocked to use a fastboot ROM.
Is it unlocked?
@soka said:
Your bootloader needs to be unlocked to use a fastboot ROM.
Is it unlocked?
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Click to collapse
Yes it’s unlocked , any help
Search on the fast boot rom thread for the fast boot rom version you were last on, i have used this many times and it worked.
One thing to note, after it flashed everything , I ended up in crash dump error. I went into stock recovery and wiped/formatted my device and it boot up great.
https://forum.xda-developers.com/t/msm-tool-guac-for-all.3934691/ - just follow this guide
One thing that worked for me is when your phone is plugged into your pc open a command prompt and type fastboot boot twrp-*.img (make sure it is the .img not .zip), and from there download the twrp installer .zip and flash that, reboot to recovery, and install the OTA for your device (OTAs can be found at this thread).
If it fails to boot and gives you an error, try fastboot getvar all to see which slot is currently active then do fastboot --set-active=*inactive slot letter* then fastboot --set-active=*original active slot letter* then try to boot to the twrp .img from fastboot again. If fastboot doesn't detect your device at all, try seeing if adb devices outputs anything, and if it does type adb reboot bootloader

Oneplus 7 stuck at fastboot mode! Please help

I recently flashed my device from android 11 to android 10 Oxygen Os then tried to flash it to Evolution X rom via TWRP in command prompt. After this the device was fine and I tried to install a new kernel by flashing and Now my device is not booting and the screen gets black after the phone starts. Bootloader is working. The twrp is not working manually as well as using via cmd prompt. Please help with this query, I have no idea.
Re-flash Stock ROM.
jwoegerbauer said:
Re-flash Stock ROM.
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Click to collapse
How to flash stock rom when my phone is stuck in flashboot mode, like I can't even open TWRP in cmd prompt as an img file. How to flash other that that?
Typically one presses the power button continuously for at least fifteen seconds. The device will vibrate once and restart in normal mode.
If this doesn't fix the issue, then, if you can access the phone by means of Fastboot executable, you can try to exit Fastboot mode running this command sequence
Code:
fastboot devices
fastboot reboot
Fixed?

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