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Old 04-02-2020, 00:06   #1 (permalink)
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Fix (Please contact support team) When Downgrade Huawei Android 10 with EFT Pro


Hello everyone

Some times when we try to downgrade Huawei Android 10 device we got this error :

Code:
Bypassing downgrade protection.....Failed: writing failed, Please contact support team

First make sure that your device mode, downgrade file and selected model in EFT Pro are identical , if all OK*move to next*step

Put device in Upgrade Mode by pressing Vol+ & Vol- and connect USB*cable

If device software is faulty after the downgrade failure and not going into Upgrade and instead it goes into recovery* mode or showing below*error



Then Do the following

Turn off device completely then press Vol+ and connect USB cable while keep pressing Vol+ for 30 seconds

Device will get into this mode then we select Update Mode



Then select USB Upgrade mode



Then device will get into Upgrade Mode



Now navigate to Huawei >>Flash>>

Flash Multi App files ( Upgrade Mode)

Load the*files

A O D*

one after one then flash device (upgrade mode)

wait till process finish and your done








Best Regards

Easy Team
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Old 04-04-2020, 17:02   #2 (permalink)
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huawei nse-lx1

hi
downgrading my huawei nse-lx1 fail

"Checking fastboot device.....OK
Reading info.....OK
Device Model: SNE-LX1
Device Firmware: :SNE-LX1 10.0.0.170(C432E10R1P1)
Device FB Lock: LOCKED
Device USER Lock: LOCKED
Device Lock: locked
Waiting for server.....OK
Reading data.....Security is not supported
Operation {Reset FRP using server} ID: 910766B109FDDA72
Elapsed time 00:02 -- Version 1.9.6"
Device Firmware: :Error: /preas/xxx not found in /product/hw_oem/SNE-L21/pare
Device FB Lock: LOCKED
Device USER Lock: LOCKED
Device Lock: locked
Waiting for server.....OK
Reading data.....OK
Posting data to server.....OK
Waiting for server response.....OK
Unlocking device.....Security is not supported
Operation {Reset FRP using server} ID: 8EEF810F6F23126F
Elapsed time 06:24 -- Version 2.0"

"
so i flashed it "fix ' after flash phone name changed to nse-l21 and reboot from time to time and can t relmove frp
can you help fix this issue
thank
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Old 04-05-2020, 18:28   #3 (permalink)
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X is changeable so it could be 1 or 2 or 3 , thats why it is X
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Old 04-05-2020, 18:48   #4 (permalink)
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Just tested with SNE-Lx1 10.0.0 [ C432 / 170 ]...

Yes - "Downgrade to Reset FRP (Upgrade mode)" with AOD breaks at first file. No way to flash phone anymore even via eRecovery, SD card or USB.

But... repeating procedure as is write in post 1 by easy-team manager work .
Just put back phone to upgrade mode and with "Flash Multi APP files (Upgrade mode)" repeat procedure AOD and phone will be alive again. If you have FRP locked unit, then put it back to upgrade mode and flash again via "Flash Multi ..." step 2 files 1.APP and 2.APP. Reboot to recovery and use "Safe mode" method to reset device.

WBR, DebeliaMark, BG
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Old 04-05-2020, 18:51   #5 (permalink)
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Quote:
Originally Posted by easy-team View Post
X is changeable so it could be 1 or 2 or 3 , thats why it is X
but phone is rebooting every 20 /30 sec.
it is no stable

how to fix it
can you give me link for firmware latest (SNE-LX1 10.0.0.170(C432E10R1P1)
or SNE-LX1 10.0.0.185(C432E10R1P1)
thanks
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Old 04-07-2020, 05:15   #6 (permalink)
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Quote:
Originally Posted by zahaf View Post
but phone is rebooting every 20 /30 sec.
it is no stable

how to fix it
can you give me link for firmware latest (SNE-LX1 10.0.0.170(C432E10R1P1)
or SNE-LX1 10.0.0.185(C432E10R1P1)
thanks
You can download SNE-LX1 10.0.0.170(C432E10R1P1) for free from here. But you NEED to read exactly HOW to do it as is described in post 1.
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Old 04-07-2020, 20:49   #7 (permalink)
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Quote:
Originally Posted by debeliamark View Post
You can download SNE-LX1 10.0.0.170(C432E10R1P1) for free from here. But you NEED to read exactly HOW to do it as is described in post 1.
i already downloaded file:sydneym-l21 10.0.0.185(c432e10rp1)
but i can't flash it can't enter download mode only others mode .
thks.
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Old 04-09-2020, 20:18   #8 (permalink)
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Quote:
Originally Posted by zahaf View Post
i already downloaded file:sydneym-l21 10.0.0.185(c432e10rp1)
but i can't flash it can't enter download mode only others mode .
thks.
waiting for team to guide me ??

my pfone is restarting every 30 sec
after flashing aod files
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Old 04-09-2020, 21:15   #9 (permalink)
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Quote:
Originally Posted by zahaf View Post
waiting for team to guide me ??

my pfone is restarting every 30 sec
after flashing aod files
Flashing AOD is not the reason as hundreads if users are already used the method . maybe you used a wrong file ?
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Old 04-09-2020, 21:29   #10 (permalink)
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Quote:
Originally Posted by easy-team View Post
Flashing AOD is not the reason as hundreads if users are already used the method . maybe you used a wrong file ?
y flashed softaware from easyfirmwre
this file:https://easy-firmware.com/index.php?...file&id=261941
SNE-LX1 10.0.0(C431) Downgrade For FRP Bypass By EFT Pro

it is the correct firmware and now i can' even flash vith sd card
i can' upgrade ,restore with wifi fail after downloading file
how to fix this ???


thanks
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Old 04-12-2020, 06:51   #11 (permalink)
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Quote:
Originally Posted by zahaf View Post
y flashed softaware from easyfirmwre
this file:https://easy-firmware.com/index.php?...file&id=261941
SNE-LX1 10.0.0(C431) Downgrade For FRP Bypass By EFT Pro

it is the correct firmware and now i can' even flash vith sd card
i can' upgrade ,restore with wifi fail after downloading file
how to fix this ???


thanks
Why you boys do not read exactly word by word post #1 and do it exactly same? I was test it and can say - it's only correct way.
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Old 04-18-2020, 10:34   #12 (permalink)
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I'm having similar issue with my p30 lite after trying to update MAR LX1A from 9.1 to 10 .. now I also get failed verification . I do not get the option for USB recovery after rebooting .. is there a link to a way out of this ? I'm new to EFT ..great tool btw Thanks and hope your all safe ..

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Old 04-18-2020, 11:16   #13 (permalink)
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Somehow managed to get p30 to dowgrade... So thanks again for such a great tool ......

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Old 04-20-2020, 22:59   #14 (permalink)
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i have been waiting for help on whatsapp for a week, no response, please help
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Old 05-07-2020, 19:38   #15 (permalink)
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still need your help , i can not do it alone

Searching for upgrade port.....Detected {COM13}
Connecting to device.....OK
Start processing file [A.APP] 3,80 GB:
Flashing [sha256rsa.img].....OK
Flashing [crc.img].....OK
Flashing [base_verlist.img].....OK
Flashing [base_ver.img].....Failed: Write failed
Operation {Flash multi APP files} ID: 7821E58A0967A01E
Elapsed time 00:29 -- Version 2.3
Attached Images
File Type: png error.png (82.4 KB, 44 views)
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