DC-Phoenix v115 update! Old flash option for stable process - Page 2 - GSM-Forum

oscar.freire · 09-03-2019, 08:56

How to safely downgrade P30 Pro? What we need to pay attention when selecting firmware?

Namelocked · 09-03-2019, 16:14

if it runs android 9 then you can downgrade only to android 9 lower version.

mrehan991 · 11-04-2019, 18:27

Failed to flash Mate 9 MHA-L29

DC Phoenix 0.0.0.117
user:039C22261C

Looking for a device in force upgrade mode
Device detected:
COM48: HUAWEI USB COM 1.0 (COM48)
04/11/2019 10:25:46 PM Starting to write device in FASTBOOT mode...
File to update: C:\Users\Arslan IT Center\Desktop\Huawei Mate 9 HLMHAAL00AM00A074 Board Software Android 7.0.0 Nougat EMUI 5.0 05021YVS File By (Suppor.**************)\HLMHAAL00AM00A069_Board Software_China_Nonspecific_Android 7.0_EMUI 5.0_05021YVS_A_2._inc_testpoint.dgtks
Device detected:
COM48: HUAWEI USB COM 1.0 (COM48)

Process identifier:20121494

Writing bootloader...
Step 1...

USB Device REMOVAL
Type: @oem213.inf,%qcomdevice00%;HUAWEI USB COM 1.0
VidPid: VID_12D1&PID_3609
Instance id: 5&22a600f3&0&9

USB Device INSERTION
Type: @oem213.inf,%qcomdevice00%;HUAWEI USB COM 1.0
VidPid: VID_12D1&PID_3609
Instance id: 5&22a600f3&0&9

Error writing Bootloader
04/11/2019 10:26:00 PM Writing device finished - INCOMPLETE

Namelocked · 11-05-2019, 10:30

Doesn't seem that loader fits, should try another one from the list on oeminfo tab.

09-03-2019, 08:56	#16 (permalink)
oscar.freire No Life Poster Join Date: Mar 2017 Location: Muhosransk Posts: 532 Member: 2698409 Status: Offline Thanks Meter: 244	How to safely downgrade P30 Pro? What we need to pay attention when selecting firmware?

09-03-2019, 16:14	#17 (permalink)
Namelocked Product Supporter Join Date: Sep 2013 Location: Lithuania, Kaunas Posts: 4,690 Member: 2023196 Status: Offline Thanks Meter: 1,891	if it runs android 9 then you can downgrade only to android 9 lower version.

11-04-2019, 18:27	#18 (permalink)
mrehan991 Freak Poster Join Date: Feb 2017 Location: Pakistan Posts: 180 Member: 2680797 Status: Offline Thanks Meter: 44	Failed to flash Mate 9 MHA-L29 DC Phoenix 0.0.0.117 user:039C22261C Looking for a device in force upgrade mode Device detected: COM48: HUAWEI USB COM 1.0 (COM48) 04/11/2019 10:25:46 PM Starting to write device in FASTBOOT mode... File to update: C:\Users\Arslan IT Center\Desktop\Huawei Mate 9 HLMHAAL00AM00A074 Board Software Android 7.0.0 Nougat EMUI 5.0 05021YVS File By (Suppor.**************)\HLMHAAL00AM00A069_Board Software_China_Nonspecific_Android 7.0_EMUI 5.0_05021YVS_A_2._inc_testpoint.dgtks Device detected: COM48: HUAWEI USB COM 1.0 (COM48) Process identifier:20121494 Writing bootloader... Step 1... USB Device REMOVAL Type: @oem213.inf,%qcomdevice00%;HUAWEI USB COM 1.0 VidPid: VID_12D1&PID_3609 Instance id: 5&22a600f3&0&9 USB Device INSERTION Type: @oem213.inf,%qcomdevice00%;HUAWEI USB COM 1.0 VidPid: VID_12D1&PID_3609 Instance id: 5&22a600f3&0&9 Error writing Bootloader 04/11/2019 10:26:00 PM Writing device finished - INCOMPLETE

11-05-2019, 10:30	#19 (permalink)
Namelocked Product Supporter Join Date: Sep 2013 Location: Lithuania, Kaunas Posts: 4,690 Member: 2023196 Status: Offline Thanks Meter: 1,891	Doesn't seem that loader fits, should try another one from the list on oeminfo tab.