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--- manual:faq:pro_to_lm4 [2025/04/14 13:51] – [Android 13+] mstupka
+++ manual:faq:pro_to_lm4 [2025/06/12 10:12] (current) – [Android 6 - 10] mstupka
@@ Line 2: / Line 2: @@
 ----
+Locus Map is a complex software with many customization options. Before the transfer of your data from Locus Map Classic to Locus Map 4, please pay attention to the following:
+<WRAP center round important>
+  * **[[manual:user_guide:settings:backup_fsys#set_the_main_directory|Move the main app directory]] to the internal storage of your phone or tablet.**
+  * **[[manual:user_guide:settings:backup_fsys#set_custom_sub-directories|Set all custom subdirectories to the default]] within the main app directory.**
+  * **Check the version of your Android OS and perform the data transfer by the instructions given for each version individually:**
+</WRAP>
 ===== Android 13+ =====
-Unfortunately, the quick data transfer from Locus Map 3 Classic to Locus Map 4 as in Android 11-12 is no longer possible due to the new Android restrictions - Locus Map 4 can't access Locus Map 3 Classic's main directory in /Android/data/ sector. The process is therefore a bit more complicated:
+  * [[https://docs.locusmap.eu/doku.php?id=manual:user_guide:settings:misc#default_directories|change the storage]] of Locus Map Classic's **backup** folder to the system **Documents** directory:\\ {{ :manual:faq:lmc-lm401.jpg?nolink |}}
-  * open Locus Map 3 Classic > menu > more functions > Backup Manager > **[[https://docs.locusmap.eu/doku.php?id=manual:user_guide:tools:backup#manual_backup|make a full manual backup]]** to the phone system "download" directory
+  * open Locus Map Classic menu > more functions > Backup Manager > **[[https://docs.locusmap.eu/doku.php?id=manual:user_guide:tools:backup#manual_backup|make a full manual backup]]**
   * go to settings > Miscellaneous > Default directories > **Unload app data** - select some **accessible sector**, e.g. /Android/Download/, create "locus_data" folder in it and execute the unload
   * open Locus Map 4 > go to settings > Backup&File system > Data transfer > **Load app data** - select /Android/Download/locus_data > **confirm** (app needs restart)
-  * go to settings > Backup&File system > Backup manager > **Restore** backup - select the backup file in the "download" directory
+  * go to settings > Backup&File system > Backup manager > **Restore** backup - select the backup file in the "Documents" directory
   * **restart** Locus Map 4
 ===== Android 11 - 12 =====
-Due to the [[manual:faq:android_11_filesystem|changes in the Android file system ]] in November 2021, Locus Map 3 Classic and Locus Map 4 can no longer share one data directory. It is possible to **transfer the data from one app to the other** though:
   * **install** Locus Map 4
@@ Line 26: / Line 33: @@
 </WRAP>
-===== Android 5 - 10 =====
+===== Android 6 - 10 =====
-Both apps share the same data directory but each has different settings. So please do the following:
+By default, both apps share the same working directory at the root of the internal storage but each has a different database structure and settings. So please do the following:
-  * install Locus Map 4 to the **same storage** as your Locus Map Classic (don't worry about any conflict)
   * make a **[[https://docs.locusmap.eu/doku.php?id=manual:user_guide:tools:backup#manual_backup|complete backup]]** of Locus Map Classic data
+  * install Locus Map 4
   * open the backup file in Locus Map 4 **backup manager**
-  * restore all items except the points/tracks/routes database (no need to do it):\\ {{ :manual:faq:migration.jpg?nolink |}}
+  * **restore** the backup
   * **restart Locus Map 4**
-  * (uninstall Locus Map Classic if you don't need it any longer)
+  * uninstall Locus Map Classic - after database conversion by Locus Map 4, the app is "empty"

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