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Go Back   GSM-Forum > Product Support Sections > Hard/Software Products (official support) > EFT Dongle

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Old 11-20-2021, 21:15   #1 (permalink)
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MAR-LX1B cant boot !!! Need HLP


The phone is dead, only the red light
I am trying to flash via Huawei 1.0 EFT with MAR-LX1M 10.0.0.465(C185E5R2P4) Dead boot repair XML will not write bootloaders

Downloaded Board Software Marie-BD 1.0.0.55_Board Software_general_9.0.0_r3_EMUI9.0.1_05022PYS but is EFT and i cant flash it

Any Help from supporters or members?
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Old 11-21-2021, 12:11   #2 (permalink)
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Hello , Please provide some info about what caused the device to be dead , do u have info before ? and upload screenshot for eft pro while processing the board software.
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Old 11-21-2021, 16:02   #3 (permalink)
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Quote:
Originally Posted by easy-team View Post
Hello , Please provide some info about what caused the device to be dead , do u have info before ? and upload screenshot for eft pro while processing the board software.
Wrong firmware flashed by SD card with attempt to remove FRP
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Old 11-21-2021, 19:01   #4 (permalink)
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Quote:
Originally Posted by easy-team View Post
Hello , Please provide some info about what caused the device to be dead , do u have info before ? and upload screenshot for eft pro while processing the board software.

With Battery



WO Battery
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Old 11-22-2021, 13:32   #5 (permalink)
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What was original firmware on device before dead ?
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Old 11-22-2021, 13:45   #6 (permalink)
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First unlock bootloader temporary then device will be in red screen ( fastboot )
then flash the first firmware was on device same customization code before being dead .
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Old 11-22-2021, 14:06   #7 (permalink)
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Originally Posted by easy-team View Post
What was original firmware on device before dead ?
Don't remember exactly but was android 10, i try to downgrade via SD to remove FRP and its dead
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Old 11-22-2021, 15:25   #8 (permalink)
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Quote:
Originally Posted by easy-team View Post
First unlock bootloader temporary then device will be in red screen ( fastboot )
then flash the first firmware was on device same customization code before being dead .
1st Attempt with Battery fail
2nd Attempt WO battery fail again
http://www.youtube.com/watch?v=7EAJhKqXhXU

Took long time about 3-4 min bot attempt, cutteted video to save time
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Old 11-23-2021, 21:36   #9 (permalink)
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Quote:
Originally Posted by easy-team View Post
First unlock bootloader temporary then device will be in red screen ( fastboot )
then flash the first firmware was on device same customization code before being dead .
The customer is bothering me every day, will you be kind to answer? Can EFT lash or not because it is in supported models and flashing fail. Its not hardware 100%
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Old 11-26-2021, 17:53   #10 (permalink)
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Checking fastboot device.....OK
Reading info.....OK
Device Model: MAR-LX1B
Device Firmware: :MAR-L21B 10.0.0.491(C431E7R4P1)
Base Firmware: :MAR-LGRP2-OVS 10.0.0.491
Custom Firmware: :MAR-L21B-CUST 10.0.0.7(C431)
Preload Firmware: :MAR-L21B-PRELOAD 10.0.0.1(C431R4)
Device FB Lock: LOCKED
Device USER Lock: LOCKED
Device Lock: locked
Waiting for server.....OK
Reading data.....Security is not supported
Operation {Temporary unlock bootloader} ID: F565780D0BF8C5A6
Elapsed time 00:03 -- Version 4.2.1
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Old 11-26-2021, 17:53   #11 (permalink)
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Checking fastboot device.....OK
Reading info.....OK
Device Model: MAR-LX1B
Device Firmware: :MAR-L21B 10.0.0.491(C431E7R4P1)
Base Firmware: :MAR-LGRP2-OVS 10.0.0.491
Custom Firmware: :MAR-L21B-CUST 10.0.0.7(C431)
Preload Firmware: :MAR-L21B-PRELOAD 10.0.0.1(C431R4)
Device FB Lock: LOCKED
Device USER Lock: LOCKED
Device Lock: locked
Waiting for server.....OK
Reading data.....Security is not supported
Operation {Temporary unlock bootloader} ID: F565780D0BF8C5A6
Elapsed time 00:03 -- Version 4.2.1
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Old 11-26-2021, 21:36   #12 (permalink)
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I see your device is working in fastboot mode then why you dont flash it with its original firmware ? i told you to unlock BL with test point method !! Requirements For { Temporary unlock bootloader (USB COM 1.0) }:
- Select your device model from the list
- Connect Huawei device in USB COM 1 then Start
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Old 11-26-2021, 21:36   #13 (permalink)
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I see your device is working in fastboot mode then why you dont flash it with its original firmware ? i told you to unlock BL with test point method !! Requirements For { Temporary unlock bootloader (USB COM 1.0) }:
- Select your device model from the list
- Connect Huawei device in USB COM 1 then Start
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Old 11-28-2021, 21:15   #14 (permalink)
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Quote:
Originally Posted by easy-team View Post
I see your device is working in fastboot mode then why you dont flash it with its original firmware ? i told you to unlock BL with test point method !! Requirements For { Temporary unlock bootloader (USB COM 1.0) }:
- Select your device model from the list
- Connect Huawei device in USB COM 1 then Start
Will not unlock, On reading GPT it says FAIL
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Old 11-28-2021, 21:20   #15 (permalink)
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Quote:
Originally Posted by easy-team View Post
I see your device is working in fastboot mode then why you dont flash it with its original firmware ? i told you to unlock BL with test point method !! Requirements For { Temporary unlock bootloader (USB COM 1.0) }:
- Select your device model from the list
- Connect Huawei device in USB COM 1 then Start
Waiting for USB COM 1 port.....Detected {COM8}
Reading data from server.....OK
Opening Port.....OK
Writing loaders.....OK
Reading GPT.....Error: Invalid handshake response
Operation {Temporary unlock bootloader} ID: 8036DDBA5A59F9D3
Elapsed time 05:51 -- Version 4.2.1
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