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Go Back   GSM-Forum > Product Support Sections > No More Supported Solutions (Dead Products) > No More Supported H/W Products > zZKey

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Old 04-09-2015, 11:06   #1 (permalink)
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How To Solve Some Huawei Phone EMMC Read Only and Update Fails




Hi, here again with some useful guide for zzkey users in order to solve common problems of flashing with some Huawei Devices like Y300 and G510...

Requeriments:

-Huawei Device with EMMC Read Only or Constantly Update Fails Message
-BootLoader Unlock Code. Request it (Here)
-Device Drivers (Here)
-ADB Toolkit (Here)
-Device Firmware (Here)

1.Step

Be sure that your can access to your device by fastboot mode, some cases if you can't acess, your Device EMMC is Broken(only fixeable by replacing it)
To connect turn off the phone. Press and hold Vol- and Power buttons to enter fastboot mode(hold it by 4 seconds) and connect USB cable to your PC. To Avoid issues with your O.S download the drivers given.



2.Step

Extract the content of the folder "ADB Toolkit" into C:/ (Recomended), also if you extract it anywhere in your pc you need open a CMD command prompt inside it, Just Press RightShift+RightMouseButton and you will see the option like this:



3.Step

Check that the device is connected to computer properly. To do so, please write: fastboot devices, and press Enter, if a message such as you will see in the picture is displayed, the connection is set up properly.



4.Step

Type the fasboot unlocking command, fastboot oem unlock XXXXXX, for example, fastboot oem unlock 2506322222068147



After unlock, your device will restarts and get into recovery mode, performing some operations related to bootloader and wiping your device data (Be Sure that you previously Backup it)

5.Step

To check bootloader's lock status simply enter “fastboot oem get-bootinfo” in command window as a follow and you will see the following:



6.Step

In order to solve some EMMC or Update Failed problem related to Y300 or G510 contact us or request us about that after follow this guide!!!

Best Regards
zZKey-Team

Last edited by elcapitel; 05-06-2015 at 18:02.
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Old 04-12-2015, 17:20   #2 (permalink)
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Hi, please check our section about firmware request(here) I will send you correct firmware version in order to solve your issue, if EMMC memory is not damage(hardware)
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Old 05-06-2015, 16:57   #3 (permalink)
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this problem continue in y300-0151 device, last to guide... help!!!
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Old 05-06-2015, 17:03   #4 (permalink)
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The Guide is perfectly ok in first post. So, please read carefully.

Best Regards
zZKey Team


Quote:
Originally Posted by roberth780 View Post
this problem continue in y300-0151 device, last to guide... help!!!
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Old 05-07-2015, 12:05   #5 (permalink)
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Lightbulb

I have Huawei G510-0200 when i try to Flash Via SD Card it always Update Failed then i got Exact firmware from zZkey Team then i Unlock Bootloader
I have Done All Process
But Problem is same
kindly help me in this matter
how can i solve this

here is LOG:

C:\Users\CrAzYgEnIuS3\Desktop\Huawei Phone EMMC Read Only and Update Fails\adb-t
oolkit>fastboot devices
f0ab4e5b fastboot

C:\Users\CrAzYgEnIuS3\Desktop\Huawei Phone EMMC Read Only and Update Fails\adb-t
oolkit>fastboot oem unlock 7717320512982161
... INFO Unlocking ...

OKAY

C:\Users\CrAzYgEnIuS3\Desktop\Huawei Phone EMMC Read Only and Update Fails\adb-t
oolkit>fastboot oem get-bootinfo
... INFO
*******************************************
INFO Bootloader Lock State: UNLOCKED

INFO System State: Bootloader in UNLOCKED state
INFO Bootloader Version: 001.001.000
INFO
*******************************************
OKAY

C:\Users\CrAzYgEnIuS3\Desktop\Huawei Phone EMMC Read Only and Update Fails\adb-t
oolkit>
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Old 05-07-2015, 16:10   #6 (permalink)
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If the problem persist the the emmc is damaged. Anyway try to flash with others sotck firmware high version. luck

Best Regards
zZKey Team


Quote:
Originally Posted by crazygenius3 View Post
I have Huawei G510-0200 when i try to Flash Via SD Card it always Update Failed then i got Exact firmware from zZkey Team then i Unlock Bootloader
I have Done All Process
But Problem is same
kindly help me in this matter
how can i solve this

here is LOG:

C:\Users\CrAzYgEnIuS3\Desktop\Huawei Phone EMMC Read Only and Update Fails\adb-t
oolkit>fastboot devices
f0ab4e5b fastboot

C:\Users\CrAzYgEnIuS3\Desktop\Huawei Phone EMMC Read Only and Update Fails\adb-t
oolkit>fastboot oem unlock 7717320512982161
... INFO Unlocking ...

OKAY

C:\Users\CrAzYgEnIuS3\Desktop\Huawei Phone EMMC Read Only and Update Fails\adb-t
oolkit>fastboot oem get-bootinfo
... INFO
*******************************************
INFO Bootloader Lock State: UNLOCKED

INFO System State: Bootloader in UNLOCKED state
INFO Bootloader Version: 001.001.000
INFO
*******************************************
OKAY

C:\Users\CrAzYgEnIuS3\Desktop\Huawei Phone EMMC Read Only and Update Fails\adb-t
oolkit>
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Old 07-29-2015, 23:59   #7 (permalink)
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I am trying to get fastboot on huawei ascend y300, I can see the purple screen and inmediately it goes to the readonly screen, is it neccesary to replace emmc?
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Old 12-14-2015, 20:26   #8 (permalink)
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Y300 my greetings when updating it says failed as I can read EMMC solve this mistake?
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Old 12-14-2015, 20:50   #9 (permalink)
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Read and do carefully all explained here. Luck

Best Regards
zZKey Team


Quote:
Originally Posted by victorgutierrez View Post
Y300 my greetings when updating it says failed as I can read EMMC solve this mistake?
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Old 02-08-2016, 13:45   #10 (permalink)
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hi
what about g610 models!!?
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Old 03-14-2016, 16:30   #11 (permalink)
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g610-u20

866343022124231
866343022174244
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Old 05-20-2016, 10:37   #12 (permalink)
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how to open CMD command on xp
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Old 05-20-2016, 13:02   #13 (permalink)
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i solved one with emmc tool

Quote:
Originally Posted by victorgutierrez View Post
Y300 my greetings when updating it says failed as I can read EMMC solve this mistake?
you need emmc tool to remove write protection on the emmc before you can update
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Old 05-22-2016, 13:06   #14 (permalink)
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Y300-100 still bootloader locked after unlock process

I have a y300-0100 hanguing on logo when i try update with sd i got "emmc read only" i got bootloader code from proper section i make the unlock process but when i check for bootloader lock status its always LOCKED .
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Old 06-05-2016, 18:24   #15 (permalink)
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I have a G510-0200 Read MMC Only problem I unlocked its bootloader what else I should do to fix it ?


WBR
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