Downgrade from 3.4.22110 to 3.4.20351

Hello, is it possible to update from the latest version to an earlier version? I installed 3.4.22110 but I want to restore the previous 3.4.20351 back. I thank you for your help!


SYNC Region: Europe

Navigation Variant: Yes

Install Type: Stock (Original Unit)

Old SYNC Version: 3.4.20351

New SYNC Version: 3.4.22110

Do you have a error message, if so what is it?

Update Method: CyanLabs Syn3 Updater

Syn3 Updater Version: 2.11.3.0

Syn3 Updater Documentation Read: Yes

Syn3 Updater Log File

CYANLABS - SYN3 UPDATER - V2.11.3.0
Branch: Stable
Operating System: Microsoft Windows 10 Pro (2009)

PREVIOUS CONFIGURATION
Version: 3.4.22110
Region: EU
Navigation: True
Install Mode: Automatische Erkennung (autoinstall)
Install Mode Overridden: False
My20 Protection Enabled: Automatische Erkennung

DESTINATION DETAILS
Mode: Drive
Model: SMI USB DISK USB Device
Size: 29,3GB
FileSystem: exFAT
Partition Type: MBR

AUTOINSTALL.LST
; CyanLabs Syn3Updater 2.11.3.0 Stable - Autoinstall Mode - Sync 3.4.20351 EU

[SYNCGen3.0_ALL_PRODUCT]
Item1 = ENH_DAB - 1U5T-14G658-AF_1598633324000.TAR.GZ
Open1 = SyncMyRide\1U5T-14G658-AF_1598633324000.TAR.GZ
Item2 = GRACENOTES - 4U5T-14G423-AB_1598633764000.TAR.GZ
Open2 = SyncMyRide\4U5T-14G423-AB_1598633764000.TAR.GZ
Item3 = APPS - 5U5T-14G381-EM_1611967752000.TAR.GZ
Open3 = SyncMyRide\5U5T-14G381-EM_1611967752000.TAR.GZ
Item4 = VOICE - 5U5T-14G391-AN_1615393794000.TAR.GZ
Open4 = SyncMyRide\5U5T-14G391-AN_1615393794000.TAR.GZ
Options = AutoInstall


FILES (4)
1U5T-14G658-AF_1598633324000.TAR.GZ (58,8MB)
4U5T-14G423-AB_1598633764000.TAR.GZ (684,9MB)
5U5T-14G381-EM_1611967752000.TAR.GZ (848,6MB)
5U5T-14G391-AN_1615393794000.TAR.GZ (1,5GB)

LOG
[2022.06.29 13:01:34] Selected Region: EU - Release: Sync 3.4.20351 - Map Version: Vorhandene Karten beibehalten 
[2022.06.29 13:01:34] Install Mode: Automatische Erkennung (autoinstall) Forced: False 
[2022.06.29 13:01:34] MY20 Protection: Automatische Erkennung 
[2022.06.29 13:01:34] Formatting USB drive
[2022.06.29 13:01:34] Re-creating partition table as MBR and formatting as ExFat on selected USB drive
[2022.06.29 13:01:42] Checking Existing File: 1U5T-14G658-AF_1598633324000.TAR.GZ 
[2022.06.29 13:01:42] Downloading: 1U5T-14G658-AF_1598633324000.TAR.GZ
[2022.06.29 13:01:51] Validating: 1U5T-14G658-AF_1598633324000.TAR.GZ 
[2022.06.29 13:01:51] Downloaded: 1U5T-14G658-AF_1598633324000.TAR.GZ 
[2022.06.29 13:01:51] Checking Existing File: 4U5T-14G423-AB_1598633764000.TAR.GZ 
[2022.06.29 13:01:51] Downloading: 4U5T-14G423-AB_1598633764000.TAR.GZ
[2022.06.29 13:03:38] Validating: 4U5T-14G423-AB_1598633764000.TAR.GZ 
[2022.06.29 13:03:40] Downloaded: 4U5T-14G423-AB_1598633764000.TAR.GZ 
[2022.06.29 13:03:40] Checking Existing File: 5U5T-14G381-EM_1611967752000.TAR.GZ 
[2022.06.29 13:03:40] Downloading: 5U5T-14G381-EM_1611967752000.TAR.GZ
[2022.06.29 13:06:01] Validating: 5U5T-14G381-EM_1611967752000.TAR.GZ 
[2022.06.29 13:06:04] Downloaded: 5U5T-14G381-EM_1611967752000.TAR.GZ 
[2022.06.29 13:06:04] Checking Existing File: 5U5T-14G391-AN_1615393794000.TAR.GZ 
[2022.06.29 13:06:04] Downloading: 5U5T-14G391-AN_1615393794000.TAR.GZ
[2022.06.29 13:10:15] Validating: 5U5T-14G391-AN_1615393794000.TAR.GZ 
[2022.06.29 13:10:20] Downloaded: 5U5T-14G391-AN_1615393794000.TAR.GZ 
[2022.06.29 13:10:20] Preparing USB drive
[2022.06.29 13:10:20] Checking Existing File: 1U5T-14G658-AF_1598633324000.TAR.GZ 
[2022.06.29 13:10:20] Copying: 1U5T-14G658-AF_1598633324000.TAR.GZ 
[2022.06.29 13:10:23] Validating: 1U5T-14G658-AF_1598633324000.TAR.GZ 
[2022.06.29 13:10:23] Copied: 1U5T-14G658-AF_1598633324000.TAR.GZ 
[2022.06.29 13:10:23] Checking Existing File: 4U5T-14G423-AB_1598633764000.TAR.GZ 
[2022.06.29 13:10:23] Copying: 4U5T-14G423-AB_1598633764000.TAR.GZ 
[2022.06.29 13:11:08] Validating: 4U5T-14G423-AB_1598633764000.TAR.GZ 
[2022.06.29 13:11:10] Copied: 4U5T-14G423-AB_1598633764000.TAR.GZ 
[2022.06.29 13:11:10] Checking Existing File: 5U5T-14G381-EM_1611967752000.TAR.GZ 
[2022.06.29 13:11:10] Copying: 5U5T-14G381-EM_1611967752000.TAR.GZ 
[2022.06.29 13:12:05] Validating: 5U5T-14G381-EM_1611967752000.TAR.GZ 
[2022.06.29 13:12:07] Copied: 5U5T-14G381-EM_1611967752000.TAR.GZ 
[2022.06.29 13:12:07] Checking Existing File: 5U5T-14G391-AN_1615393794000.TAR.GZ 
[2022.06.29 13:12:07] Copying: 5U5T-14G391-AN_1615393794000.TAR.GZ 
[2022.06.29 13:13:47] Validating: 5U5T-14G391-AN_1615393794000.TAR.GZ 
[2022.06.29 13:14:05] Copied: 5U5T-14G391-AN_1615393794000.TAR.GZ 
[2022.06.29 13:14:05] Generating Autoinstall.lst
[2022.06.29 13:14:05] ALL FILES DOWNLOADED AND COPIED TO THE USB DRIVE SUCCESSFULLY!

Yes, you can do it.
Try using a decent quality branded USB pendrive, not a disk or generic device.

autoinstall

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