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--- manual:faq:pro_to_lm4 [2021/11/18 16:43] – [Android 11+] mstupka
+++ manual:faq:pro_to_lm4 [2024/03/28 11:26] (current) – [Android 13+] mstupka
@@ Line 1: / Line 1: @@
-====== How to migrate from Locus Map Pro to Locus Map 4 ======
+====== How to migrate from Locus Map Classic to Locus Map 4 ======
 ----
-===== Android 11+ =====
+===== Android 13+ =====
-WILL BE ADDED SOON
+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:
+  * open Locus Map 3 Classic > go to settings > Miscellaneous > Default directories > **Unload app data** - select some **accessible sector**, e.g. /Android/Download/
+  * open Locus Map 4 > go to settings > Backup&File system > Data transfer > **Load app data** - select /Android/Download > **confirm**
+  * **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
+  * open Locus Map 4 **settings > Backup & filesystem > App data transfer > Load Locus Map Classic data**
+  * **restart** Locus Map 4
+<WRAP center round info>
+**Note:**
+In some rare cases, the procedure above may fail for unknown reasons. If something like that happens, we recommend transferring the app data manually with the help of a PC:
+  * **connect** your phone to a PC via **USB** and **allow file transfer** on the phone
+  * **copy all files** from //Android/data/menion.android.locus.pro/files/Locus// to //Android/data/menion.android.locus/files/Locus// (overwrite all its contents) in the phone's internal storage
+  * disconnect the phone and **restart Locus Map 4**
+</WRAP>
 ===== Android 5 - 10 =====
 Both apps share the same data directory but each has different settings. So please do the following:
-  * install Locus Map 4 to the **same storage** as your Locus Map Pro (don't worry about any conflict)
+  * 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 Pro data
+  * make a **[[https://docs.locusmap.eu/doku.php?id=manual:user_guide:tools:backup#manual_backup|complete backup]]** of Locus Map Classic data
   * 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 |}}
   * **restart Locus Map 4**
-  * (uninstall Locus Map Pro if you don't need it any longer)
+  * (uninstall Locus Map Classic if you don't need it any longer)

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