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Teclast P80x Boot Loop

Teclast P80x Boot Loop

Nubrox99
Nubrox99
Nubrox99
Enthusiastic Member
11
22-08-2020, 03:30 AM
#1



Hello everyone, as you read from the title my teclast p80x went into boot loop. I followed this guide: https://www.hovatek.com/forum/thread-32678.html
but unfortunately in the flashing phase it got stuck with writing ..
so I unplugged the cables and tried to repeat the process by clearing the cache with the command:

fastboot erase cache

continuing to have the problem of writing blocked, I unplugged everything again but this time on reboot the device remained in the looped boot animation screen

clarification: on the pc I have the folder with all the img stock if I had to restore them, the problem is that the shortcuts with the keys to go to recovery or bootloader do not work, in fact during the programming phase I reached the fastboot with:
adb reboot bootloader
X3non
X3non
X3non
Recognized Contributor
22,062
22-08-2020, 10:41 AM
#2
(22-08-2020, 03:30 AM)Nubrox99 Hello everyone, as you read from the title my teclast p80x went into boot loop. I followed this guide: https://www.hovatek.com/forum/thread-32678.html
but unfortunately in the flashing phase it got stuck with writing ..
so I unplugged the cables and tried to repeat the process by clearing the cache with the command:

fastboot erase cache

continuing to have the problem of writing blocked, I unplugged everything again but this time on reboot the device remained in the looped boot animation screen

clarification: on the pc I have the folder with all the img stock if I had to restore them, the problem is that the shortcuts with the keys to go to recovery or bootloader do not work, in fact during the programming phase I reached the fastboot with:
adb reboot bootloader

download pac firmware @ https://www.hovatek.com/forum/thread-20913.html
flash using research download tool @ https://www.hovatek.com/forum/thread-1231.html
Nubrox99
Nubrox99
Nubrox99
Enthusiastic Member
11
22-08-2020, 03:17 PM
#3
(22-08-2020, 10:41 AM)X3non download pac firmware @ https://www.hovatek.com/forum/thread-20913.html
flash using research download tool @ https://www.hovatek.com/forum/thread-1231.html
First of all thank you so much for your support.
I tried with the program you recommended, after I click on the start download button the word "waiting" below does not come out as in the guide. In addition, the phone is in the boot loop and therefore in the permanent boot phase, it is not recognized as a turned off device, as requested by the guide.
Can you help me ?
xerxes
xerxes
xerxes
Senior Member
8,355
22-08-2020, 09:46 PM
#4
(22-08-2020, 03:17 PM)Nubrox99
(22-08-2020, 10:41 AM)X3non download pac firmware @ https://www.hovatek.com/forum/thread-20913.html
flash using research download tool @ https://www.hovatek.com/forum/thread-1231.html
First of all thank you so much for your support.
I tried with the program you recommended, after I click on the start download button the word "waiting" below does not come out as in the guide. In addition, the phone is in the boot loop and therefore in the permanent boot phase, it is not recognized as a turned off device, as requested by the guide.
Can you help me ?


While the phone is connected to pc, long press the phone’s power button to force shutdown or disconnect/reconnect the phone’s battery.
X3non
X3non
X3non
Recognized Contributor
22,062
24-08-2020, 09:10 AM
#5



(22-08-2020, 03:17 PM)Nubrox99 First of all thank you so much for your support.
I tried with the program you recommended, after I click on the start download button the word "waiting" below does not come out as in the guide. In addition, the phone is in the boot loop and therefore in the permanent boot phase, it is not recognized as a turned off device, as requested by the guide.
Can you help me ?

either wait till the battery drains then charge and proceed with flashing the firmware
OR disassemble the device, disconnect / reconnect the battery then proceed with flashing
Nubrox99
Nubrox99
Nubrox99
Enthusiastic Member
11
24-08-2020, 03:42 PM
#6
(24-08-2020, 09:10 AM)X3non either wait till the battery drains then charge and proceed with flashing the firmware
OR disassemble the device, disconnect / reconnect the battery then proceed with flashing
(22-08-2020, 09:46 PM)innagee While the phone is connected to pc, long press the phone’s power button to force shutdown or disconnect/reconnect the phone’s battery.
Perfect, thanks to both of you i will do it this way.

It is normal that on the research tool program, after I load the PAC file, I select the files I want to flash, and then I click on the start downloading arrow, the waiting label does not come out (as written in the guide)? This process should be done with the phone unplugged, so I don't think it depends on the boot loop state of the tablet
X3non
X3non
X3non
Recognized Contributor
22,062
25-08-2020, 12:35 PM
#7
(24-08-2020, 03:42 PM)Nubrox99 ...
It is normal that on the research tool program, after I load the PAC file, I select the files I want to flash, and then I click on the start downloading arrow, the waiting label does not come out (as written in the guide)? ...

perfectly normal, flashing will begin once the tool detects your connected phone
Nubrox99
Nubrox99
Nubrox99
Enthusiastic Member
11
25-08-2020, 08:21 PM
#8
(25-08-2020, 12:35 PM)X3non perfectly normal, flashing will begin once the tool detects your connected phone

Thank you very much, I was able to resurrect my tablet with your help. Now that I have solved the boot loop problem, I would like to ask you if possible an indication for the rooting procedure.

I unlocked the boot loader I created the signed recovery patched by magisk and when I go to flash from the cmd the message "writing .." remains for several minutes without updates, and the tablet does not give any signal.
X3non
X3non
X3non
Recognized Contributor
22,062
26-08-2020, 10:24 AM
#9
(25-08-2020, 08:21 PM)Nubrox99 Thank you very much, I was able to resurrect my tablet with your help. Now that I have solved the boot loop problem, I would like to ask you if possible an indication for the rooting procedure.

I unlocked the boot loader I created the signed recovery patched by magisk and when I go to flash from the cmd the message "writing .." remains for several minutes without updates, and the tablet does not give any signal.

for root, see https://www.hovatek.com/forum/thread-32678.html
if you still have problems then you should create a different thread for the root issue
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