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-   -   -=Huawei Mate 20 Pro (LYA-L29) firmware downgrade. 12 to 11=- (https://forum.gsmhosting.com/vbb/f719/huawei-mate-20-pro-lya-l29-firmware-downgrade-12-11-a-3020268/)

-=MR_Gsm=- 06-07-2022 14:05

-=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=-

rexmike 07-16-2022 12:51

How did you manage to write firmware . Mine is Frp on version 12 and sigma requesting for bootloader unlock

kikas112 07-16-2022 13:49

by test point only, no other way at the moment

RubenColmenter7 10-18-2022 17:14

Quote:

Originally Posted by -=MR_Gsm=- (Post 14565701)
-=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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