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

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Old 06-07-2022, 14:05   #1 (permalink)
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-=Huawei Mate 20 Pro (LYA-L29) firmware downgrade. 12 to 11=-


-=Huawei Mate 20 Pro (LYA-L29) firmware downgrade. 12 to 11=-

Quote:
SigmaKey v.2.44.01
Sigma dongle 2.44, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
Pack 4: Activated
Pack 5: Activated

--------- 2022-05-28 15:30:07 ---------
SigmaKey 2.44.01 HiSi: Enable downgrade
Enabling firmware downgrade...Done
--------- 2022-05-28 15:30:46 ---------
SigmaKey 2.44.01 HiSi: Write firmware
(ADB) Repairing...Huawei_LYA-L29_LYA-L29 11_0_0_160(C185E7R2P4).xml
Continue Repair procedure according to the manual.
Writing flash...ptable...OK
Writing flash...xloader...OK
Writing flash...persist...OK
Writing flash...fw_lpm3...OK
Writing flash...hdcp...OK
Writing flash...hisee_img...OK
Writing flash...hhee...OK
Writing flash...fastboot...OK
Writing flash...vector...OK
Writing flash...isp_boot...OK
Writing flash...isp_firmware...OK
Writing flash...fw_hifi...OK
Writing flash...teeos...OK
Writing flash...sensorhub...OK
Writing flash...erecovery_kernel...OK
Writing flash...erecovery_ramdisk...OK
Writing flash...erecovery_vendor...OK
Writing flash...kernel...OK
Writing flash...eng_system...OK
Writing flash...recovery_ramdisk...OK
Writing flash...recovery_vendor...OK
Writing flash...dts...OK
Writing flash...dto...OK
Writing flash...trustfirmware...OK
Writing flash...modem_fw...OK
Writing flash...eng_vendor...OK
Writing flash...modem_driver...OK
Writing flash...kpatch...OK
Writing flash...ramdisk...OK
Writing flash...vbmeta_system...OK
Writing flash...vbmeta_vendor...OK
Writing flash...vbmeta_odm...OK
Writing flash...vbmeta_cust...OK
Writing flash...vbmeta_hw_product...OK
Writing flash...recovery_vbmeta...OK
Writing flash...erecovery_vbmeta...OK
Writing flash...vbmeta...OK
Writing flash...modemnvm_update...OK
Writing flash...modemnvm_cust...OK
Writing flash...patch...OK
Writing flash...preas...OK
Writing flash...preas...OK
Writing flash...preavs...OK
Writing flash...prets...OK
Writing flash...pretvs...OK
Writing flash...super...OK
Writing flash...super...OK
Writing flash...super...OK
Writing flash...super...OK
Writing flash...super...OK
Writing flash...super...OK
Writing flash...super...OK
Writing flash...super...OK
Writing flash...super...OK
Writing flash...super...OK
Writing flash...super...OK
Writing flash...version...OK
Writing flash...preload...OK
Formatting FFS...cache...OK
Formatting FFS...userdata...OK
Formatting FFS...frp...OK
Formatting FFS...misc...OK
Writing flash....Done
BR,
-=MR_Gsm=-

Last edited by -=MR_Gsm=-; 06-07-2022 at 14:15.
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Old 07-16-2022, 12:51   #2 (permalink)
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How did you manage to write firmware . Mine is Frp on version 12 and sigma requesting for bootloader unlock
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Old 07-16-2022, 13:49   #3 (permalink)
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by test point only, no other way at the moment
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Old 10-18-2022, 17:14   #4 (permalink)
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Quote:
Originally Posted by -=MR_Gsm=- View Post
-=Huawei Mate 20 Pro (LYA-L29) firmware downgrade. 12 to 11=-



BR,
-=MR_Gsm=-


Please, do you have the firmware backup link?
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