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My LeTv x500 Fully Bricked

#1

Hi Guys, 

I have a bit of a problem with my phone. 
I was trying to install new ROM, and it got bricked unfortunately. 

All i get is the red light once I connect it to the PC or Charger. Won't respond to power button, or any such combination.

I tried to unbrick it... 

1. Installed the USB drivers

 http://imgur.com/a/aJUaD

2. Get the SP Flash Tool 
3. Got the stock roms 

the problem is that the phone is not recognised. So the flasing never happens. 

I also tried to do this under Linux, but again, flashing never happened. 
Code:
[ 2184.973378] usb 1-1: new full-speed USB device number 45 using xhci_hcd
[ 2185.141484] usb 1-1: device descriptor read/64, error -71
[ 2185.413436] usb 1-1: device descriptor read/64, error -71
[ 2185.685880] usb 1-1: new full-speed USB device number 46 using xhci_hcd
[ 2185.853657] usb 1-1: device descriptor read/64, error -71
[ 2186.125502] usb 1-1: device descriptor read/64, error -71
[ 2186.397887] usb 1-1: new full-speed USB device number 47 using xhci_hcd
[ 2186.398312] usb 1-1: Device not responding to setup address.
[ 2186.602113] usb 1-1: Device not responding to setup address.
[ 2186.805506] usb 1-1: device not accepting address 47, error -71
[ 2186.973430] usb 1-1: new full-speed USB device number 48 using xhci_hcd
[ 2186.973657] usb 1-1: Device not responding to setup address.
[ 2187.177749] usb 1-1: Device not responding to setup address.
[ 2187.381369] usb 1-1: device not accepting address 48, error -71
[ 2187.381401] usb usb1-port1: unable to enumerate USB device

The error is same for every USB port in the computer. 

I've run out of ideas. maybe you have something for me

Cheers


Reply
#2
(05-27-2017, 01:41 PM)majkelos Wrote: Hi Guys, 

I have a bit of a problem with my phone. 
I was trying to install new ROM, and it got bricked unfortunately. 

All i get is the red light once I connect it to the PC or Charger. Won't respond to power button, or any such combination.

I tried to unbrick it... 

1. Installed the USB drivers

 http://imgur.com/a/aJUaD

2. Get the SP Flash Tool 
3. Got the stock roms 

the problem is that the phone is not recognised. So the flasing never happens. 

I also tried to do this under Linux, but again, flashing never happened. 
Code:
[ 2184.973378] usb 1-1: new full-speed USB device number 45 using xhci_hcd
[ 2185.141484] usb 1-1: device descriptor read/64, error -71
[ 2185.413436] usb 1-1: device descriptor read/64, error -71
[ 2185.685880] usb 1-1: new full-speed USB device number 46 using xhci_hcd
[ 2185.853657] usb 1-1: device descriptor read/64, error -71
[ 2186.125502] usb 1-1: device descriptor read/64, error -71
[ 2186.397887] usb 1-1: new full-speed USB device number 47 using xhci_hcd
[ 2186.398312] usb 1-1: Device not responding to setup address.
[ 2186.602113] usb 1-1: Device not responding to setup address.
[ 2186.805506] usb 1-1: device not accepting address 47, error -71
[ 2186.973430] usb 1-1: new full-speed USB device number 48 using xhci_hcd
[ 2186.973657] usb 1-1: Device not responding to setup address.
[ 2187.177749] usb 1-1: Device not responding to setup address.
[ 2187.381369] usb 1-1: device not accepting address 48, error -71
[ 2187.381401] usb usb1-port1: unable to enumerate USB device

The error is same for every USB port in the computer. 

I've run out of ideas. maybe you have something for me

Cheers

was flashing of the ROM that bricked the phone successful or it got interrupted by an error?
Reply
#3
(05-27-2017, 06:56 PM)hovatek Wrote: was flashing of the ROM that bricked the phone successful or it got interrupted by an error?

Hi, 

Looking from retrospect. 

1. I was in the Soft Brick Mode, when phone was just booting into TWRP 
  - this happened after I installed new TWRP

2. Then I tried to update the ROM through TWRP (newly installed) 
 - the process seems finished, as it was doing its thing and  restart the phone 
 - after the restart it's hard bricked

3.After that I was pretty much doing what I described above 

Smile Cheers
Reply
#4
(This post was last modified: 05-28-2017, 08:26 PM by hovatek. )
(05-28-2017, 02:50 AM)majkelos Wrote: Hi, 

Looking from retrospect. 

1. I was in the Soft Brick Mode, when phone was just booting into TWRP 
  - this happened after I installed new TWRP

2. Then I tried to update the ROM through TWRP (newly installed) 
 - the process seems finished, as it was doing its thing and  restart the phone 
 - after the restart it's hard bricked

3.After that I was pretty much doing what I described above 

Smile Cheers

So a ROM flashed in TWRP caused this.
Have you tried:
1. Taking out and reinserting the battery
2. Holding the volume increase , decrease or power button then connecting to PC
Reply
#5
(05-28-2017, 08:24 PM)hovatek Wrote:
(05-28-2017, 02:50 AM)majkelos Wrote: Hi, 

Looking from retrospect. 

1. I was in the Soft Brick Mode, when phone was just booting into TWRP 
  - this happened after I installed new TWRP

2. Then I tried to update the ROM through TWRP (newly installed) 
 - the process seems finished, as it was doing its thing and  restart the phone 
 - after the restart it's hard bricked

3.After that I was pretty much doing what I described above 

Smile Cheers

So a ROM flashed in TWRP caused this.
Have you tried:
1. Taking out and reinserting the battery
2. Holding the volume increase , decrease or power button then connecting to PC


Hi, 

1. No I didn't I would need to take the phone apart. which I will try doing tomorrow.
2. Yes I tried any combination. (vol up, vol down, power, vol up + power ..Etc, all of them)

Once connected to windows, there is a connection sound but the phone is not recognized.
Reply
#6
(05-28-2017, 11:51 PM)majkelos Wrote: Hi, 

1. No I didn't I would need to take the phone apart. which I will try doing tomorrow.
2. Yes I tried any combination. (vol up, vol down, power, vol up + power ..Etc, all of them)

Once connected to windows, there is a connection sound but the phone is not recognized.

Maybe the battery is drained.
Try taking it out
Reply
#7
(05-29-2017, 09:57 AM)hovatek Wrote:
(05-28-2017, 11:51 PM)majkelos Wrote: Hi, 

1. No I didn't I would need to take the phone apart. which I will try doing tomorrow.
2. Yes I tried any combination. (vol up, vol down, power, vol up + power ..Etc, all of them)

Once connected to windows, there is a connection sound but the phone is not recognized.

Maybe the battery is drained.
Try taking it out

Hi, 

I disassembled the phone and disconnected the battery. 

There was a improvement. Now windows would recognise the device. But it will continue connecting and disconnecting the device all the time 
and First there will be "MediaTek Pre-Lauchner" ...disconnect ... Connect as "VCOM USB Port". 

I tried to update the drivers or pressing UP, DOWN or Power Button.

No on your forum you guys are saying there is option to fix it with short connecting some of the pins on the motherboard. 
Unfortunately I'm not sure which pins would be safe to bridge. I'm also not sure here is GND - there are no labels. How can I try this out?

See some pics. 

Front of MB
http://imgur.com/a/b4oWI

Back of MB
http://imgur.com/a/XgZiV

Cheers
Reply
#8
(05-30-2017, 03:31 AM)majkelos Wrote: Hi, 

I disassembled the phone and disconnected the battery. 

There was a improvement. Now windows would recognise the device. But it will continue connecting and disconnecting the device all the time 
and First there will be "MediaTek Pre-Lauchner" ...disconnect ... Connect as "VCOM USB Port". 

I tried to update the drivers or pressing UP, DOWN or Power Button.

No on your forum you guys are saying there is option to fix it with short connecting some of the pins on the motherboard. 
Unfortunately I'm not sure which pins would be safe to bridge. I'm also not sure here is GND - there are no labels. How can I try this out?

See some pics. 

Front of MB
http://imgur.com/a/b4oWI

Back of MB
http://imgur.com/a/XgZiV

Cheers

Joining any gold points is only ideal when the phone shows no sign of life.
Now that the battery has been removed and reinserted, connect to PC without holding any buttons, is the connection-disconnection sound continuous or just once?
Reply
#9
(05-30-2017, 10:24 AM)hovatek Wrote:
(05-30-2017, 03:31 AM)majkelos Wrote: Hi, 

I disassembled the phone and disconnected the battery. 

There was a improvement. Now windows would recognise the device. But it will continue connecting and disconnecting the device all the time 
and First there will be "MediaTek Pre-Lauchner" ...disconnect ... Connect as "VCOM USB Port". 

I tried to update the drivers or pressing UP, DOWN or Power Button.

No on your forum you guys are saying there is option to fix it with short connecting some of the pins on the motherboard. 
Unfortunately I'm not sure which pins would be safe to bridge. I'm also not sure here is GND - there are no labels. How can I try this out?

See some pics. 

Front of MB
http://imgur.com/a/b4oWI

Back of MB
http://imgur.com/a/XgZiV

Cheers

Joining any gold points is only ideal when the phone shows no sign of life.
Now that the battery has been removed and reinserted, connect to PC without holding any buttons, is the connection-disconnection sound continuous or just once?

It is continous, 
 - conected as Media Tek Pre-Lanucher (1-2sec)
 - 2-3 sec nothing
 - conected as VCOM USM (2sec_
 - 2-3 sec nothing 
 - and so on and so on 

Smile
Reply
#10
(05-30-2017, 10:39 AM)majkelos Wrote: It is continous, 
 - conected as Media Tek Pre-Lanucher (1-2sec)
 - 2-3 sec nothing
 - conected as VCOM USM (2sec_
 - 2-3 sec nothing 
 - and so on and so on 

Smile

A drained battery could cause this.
Leave the phone off then connect to power, does it show a charging animation?
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