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04-04-2016, 23:40
| #1 (permalink) |
| Major Poster  Join Date: Sep 2014
Posts: 45
Member: 2266091 Status: Offline Thanks Meter: 3 | LG p714 USB Error i try to repair with usb but when i press conect or repair the phone disconnect aand connect inmediatily and medusa show error, please help team. Bienvenido a Medusa Box Software - Versión: 2.6.1 Modelo del dispositivo seleccionado: LG P714 USB Conectando, por favor espere... MI: Open multi failed, unknown error Modelo del dispositivo seleccionado: LG P714 USB Conectando, por favor espere... MI: Open multi failed, unknown error Modelo del dispositivo seleccionado: LG P714 USB Conectando, por favor espere... MI: Open multi failed, unknown error Modelo del dispositivo seleccionado: LG P714 USB Conectando, por favor espere... MI: Open multi failed, unknown error Modelo del dispositivo seleccionado: LG P714 USB Conectando, por favor espere... MI: Open multi failed, unknown error Modelo del dispositivo seleccionado: LG P714 USB Conectando, por favor espere... MI: Open multi failed, unknown error Modelo del dispositivo seleccionado: LG P714 USB Conectando, por favor espere... MI: Open multi failed, unknown error Modelo del dispositivo seleccionado: LG P714 USB Conectando, por favor espere... MI: Open multi failed, unknown error Modelo del dispositivo seleccionado: LG P714 USB Conectando, por favor espere... MI: Open multi failed, unknown error |
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04-06-2016, 22:13
| #3 (permalink) |
| Freak Poster Join Date: Aug 2013 Location: Panama
Posts: 112
Member: 2014671 Status: Offline Thanks Meter: 13 | Same problem I have the same problem here. The phone P714 also has the bootloader damaged (qualcomm hs-usb bootloader 9008). Here is the log: Welcome to Medusa Box Software version 2.6.1 Selected device model: LG P714 USB Connecting. Please wait... MI: Open multi failed, unknown error Selected device model: LG P714 USB Connecting. Please wait... MI: Open multi failed, unknown error With jtag connection: Selected device model: LG P714 Connecting. Please wait... Checking data... Medusa JTAG Firmware version 1.07. Detected TAP ID: 1077C0E1, IR Length = 4. JTAG speed : Auto (RTCK). VREF level : 1.85 V CPU : Qualcomm MSM8225 Core ID : 1077C0E1 ERROR[008]: Unknown flash device. Device No:ID = 0:00000000. ERROR[035]: Target device has been powered off during connect. FATAL: Error during device creation. Selected device model: LG P714 Connecting. Please wait... Checking data... VREF = 1.25V is less than required level. Please check target device power supply. Medusa JTAG Firmware version 1.07. Detected TAP ID: 1077C0E1, IR Length = 4. JTAG speed : Auto (RTCK). VREF level : 1.83 V CPU : Qualcomm MSM8225 Core ID : 1077C0E1 ERROR[004]: Medusa Device Server did not replied to HELLO command. Selected device model: LG P714 Connecting. Please wait... Checking data... Medusa JTAG Firmware version 1.07. Detected TAP ID: 1077C0E1, IR Length = 4. JTAG speed : Auto (RTCK). VREF level : 1.82 V CPU : Qualcomm MSM8225 Core ID : 1077C0E1 ERROR[004]: Medusa Device Server did not replied to HELLO command. |
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04-07-2016, 10:37
| #4 (permalink) |
| Product Supporter   Join Date: Oct 2009 Location: Romania, Bucharest
Posts: 99,848
Member: 1146942 Status: Offline Sonork: 100.1587278 Thanks Meter: 27,413 | Please do the next: 1. Install Medusa PRO Software. 2. Go to "Custom Settings" tab. 3. Select "Qualcomm MSM8225" Device. 4. Connect the phone with Test Point, without battery. Check whether device appears in PC Device Manager. 5. Release test point and press "Connect" button in Software. Post here Software log of "Connect" operation. 5. |
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04-12-2016, 22:54
| #5 (permalink) |
| Freak Poster Join Date: Aug 2013 Location: Panama
Posts: 112
Member: 2014671 Status: Offline Thanks Meter: 13 | Here is the log with Medusa PRO Software: Welcome to Medusa Pro Software. Started. Reader #0: Alcor Micro USB Smart Card Reader 0 USB interface selected. Connecting... USB interface selected. Connecting... USB interface selected. Connecting... USB interface selected. Connecting... USB interface selected. Connecting... USB interface selected. Connecting... The phone turn off then turn on several time during connection. I do not need to do the testpoint procedure, because when I connect the usb cable the phone automatically install the qualcomm hs-usb driver. Is that a problem? |
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04-13-2016, 07:28
| #6 (permalink) |
| Product Supporter  Join Date: Mar 2011 Location: Octopus-team
Posts: 9,360
Member: 1538383 Status: Offline Sonork: 100.1587278 Thanks Meter: 3,398 | The problem can be with incorrect driver. What Qualcomm device exactly appears in PC Device Manager and which driver You have installed for it exactly? |
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04-13-2016, 22:34
| #7 (permalink) |
| Freak Poster Join Date: Aug 2013 Location: Panama
Posts: 112
Member: 2014671 Status: Offline Thanks Meter: 13 | The driver that shows in device manager: Qualcomm HS-USB QDLoader 9008 I used the same driver to repair boot on other phones, so I think that my driver is correct. |
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04-14-2016, 09:20
| #8 (permalink) |
| Product Supporter Join Date: Mar 2011 Location: Octopus-team
Posts: 9,360
Member: 1538383 Status: Offline Sonork: 100.1587278 Thanks Meter: 3,398 | Try to connect device with fully charged battery and without battery. Try to connect it to different motherboard USB port (don't use any USB hubs, this is important). Is this will not help - most likely, this is HW problem. |
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