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

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Old 08-26-2020, 08:34   #1 (permalink)
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Join Date: Dec 2009
Location: Poland
Posts: 91
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How to LOCK FB in HMA-L29?


Hi,


I try lock backdoor in Huawei Mate 20 (Android10) but after reboot still - FB LockState: UNLOCKED.


Code:
fastboot oem backdoor set 1
- not working (Backdoor command not supported)


Code:
fastboot oem hwdog certify set 1
- not working


Code:
fastboot oem hwdog certify close
- working but the command returns OK and after reboot FB is unlocked


I did downgrade to Android 9 via DC-Phoenix but no change*


Code:
C:\ADB_Fastboot>fastboot oem get-product-model
...
(bootloader) HMA-L29
OKAY [  0.022s]
finished. total time: 0.022s

C:\ADB_Fastboot>fastboot oem lock-state info
...
(bootloader)  FB LockState: UNLOCKED
(bootloader)  USER LockState: LOCKED
OKAY [ -0.000s]
finished. total time: -0.000s

C:\ADB_Fastboot>fastboot oem hwdog certify set 1
...
FAILED (remote: input value equal)
finished. total time: 0.022s

C:\ADB_Fastboot>fastboot oem hwdog certify set 0
...
OKAY [  0.016s]
finished. total time: 0.016s

C:\ADB_Fastboot>fastboot oem hwdog certify set 1
...
OKAY [  0.016s]
finished. total time: 0.016s

C:\ADB_Fastboot>fastboot oem hwdog certify close
...
OKAY [  0.270s]
finished. total time: 0.270s

C:\ADB_Fastboot>fastboot oem lock-state info
...
(bootloader)  FB LockState: LOCKED
(bootloader)  USER LockState: LOCKED
OKAY [  0.000s]
finished. total time: 0.000s

C:\ADB_Fastboot>fastboot reboot-bootloader
rebooting into bootloader...
OKAY [  0.016s]
finished. total time: 0.016s

C:\ADB_Fastboot>fastboot oem lock-state info
...
(bootloader)  FB LockState: UNLOCKED
(bootloader)  USER LockState: LOCKED
OKAY [  0.000s]
finished. total time: 0.000s
Any suggestions?


Btw. If possible, please add buttons: Lock bootloader and unlock bootloader (FB Lockstate) in hcu or dc-phoenix
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Old 08-26-2020, 15:05   #2 (permalink)
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This service is not available for this mobile.
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Old 08-28-2020, 18:56   #3 (permalink)
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Quote:
Originally Posted by Fisiu View Post
Hi,


I try lock backdoor in Huawei Mate 20 (Android10) but after reboot still - FB LockState: UNLOCKED.


Code:
fastboot oem backdoor set 1
- not working (Backdoor command not supported)


Code:
fastboot oem hwdog certify set 1
- not working


Code:
fastboot oem hwdog certify close
- working but the command returns OK and after reboot FB is unlocked


I did downgrade to Android 9 via DC-Phoenix but no change*


Code:
C:\ADB_Fastboot>fastboot oem get-product-model
...
(bootloader) HMA-L29
OKAY [  0.022s]
finished. total time: 0.022s

C:\ADB_Fastboot>fastboot oem lock-state info
...
(bootloader)  FB LockState: UNLOCKED
(bootloader)  USER LockState: LOCKED
OKAY [ -0.000s]
finished. total time: -0.000s

C:\ADB_Fastboot>fastboot oem hwdog certify set 1
...
FAILED (remote: input value equal)
finished. total time: 0.022s

C:\ADB_Fastboot>fastboot oem hwdog certify set 0
...
OKAY [  0.016s]
finished. total time: 0.016s

C:\ADB_Fastboot>fastboot oem hwdog certify set 1
...
OKAY [  0.016s]
finished. total time: 0.016s

C:\ADB_Fastboot>fastboot oem hwdog certify close
...
OKAY [  0.270s]
finished. total time: 0.270s

C:\ADB_Fastboot>fastboot oem lock-state info
...
(bootloader)  FB LockState: LOCKED
(bootloader)  USER LockState: LOCKED
OKAY [  0.000s]
finished. total time: 0.000s

C:\ADB_Fastboot>fastboot reboot-bootloader
rebooting into bootloader...
OKAY [  0.016s]
finished. total time: 0.016s

C:\ADB_Fastboot>fastboot oem lock-state info
...
(bootloader)  FB LockState: UNLOCKED
(bootloader)  USER LockState: LOCKED
OKAY [  0.000s]
finished. total time: 0.000s
Any suggestions?


Btw. If possible, please add buttons: Lock bootloader and unlock bootloader (FB Lockstate) in hcu or dc-phoenix
Hello
You need downgrade to 9.1 android
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Old 08-29-2020, 19:55   #4 (permalink)
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Join Date: Dec 2009
Location: Poland
Posts: 91
Member: 1180176
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Quote:
Originally Posted by solgeo View Post
Hello
You need downgrade to 9.1 android

I did a downgrade, the attached log is from Android 9.1.

Messages are OK but after restart it is still unlocked.

There is another way? Maybe can reflash bootloader via TP?
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Old 08-30-2020, 21:37   #5 (permalink)
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Join Date: Jan 2006
Posts: 351
Member: 219803
Status: Offline
Sonork: 1582317
Thanks Meter: 35
Quote:
Originally Posted by Fisiu View Post
I did a downgrade, the attached log is from Android 9.1.

Messages are OK but after restart it is still unlocked.

There is another way? Maybe can reflash bootloader via TP?
Flash it by SDcard

Sent from my LYA-L29 using Tapatalk
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