Differences

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--- doc:appunti:hardware:blackview_bv5300_pro [2024/08/27 09:29] – [Rooting the Blackview BV5300 Pro Android Phone] niccolo
+++ doc:appunti:hardware:blackview_bv5300_pro [2025/08/25 15:25] (current) – [Creating a vbmeta custom image] niccolo
@@ Line 22: / Line 22: @@
   * The **FM Radio is non functional** because there is no 3.5 mm socket and it is not possible to connect the earphones cable.
   * **Aggressive power saving** kills background apps, i.e. apps are automatically cleaned from the recents. Widgets in several apps have trouble initializing themself after reboot; may stop working or may not update contents. Apps are automatically cleaned from the //recents//. Beside the settings available in //Apps & notifications// (permissions, //pause app// if unused, //unrestricted// battery, //battery manager//. etc.) there is a custom app called **System Manager** which may solve the issues; see **[[blackview_power_saving]]**.
+  * **No system updates** available: in September 2024 it is still stuck to Android 13, security update September 5, 2023.
 ===== Rooting the phone =====
@@ Line 240: / Line 242: @@
 Keep note also of the **Rollback Index Location** for each partition, we need them when creating the custom vbmeta.
-Using an hex viewer over the **vbmeta_a.img** file, we discovered the starting offset of each key (the byte just after the name), using **dd** it is possibile to extract them. They are 520 bytes long:
+Using an hex viewer over the **vbmeta_a.img** file, we discovered the starting offset of each key (the bytes just after the name), using **dd** it is possibile to extract them. They are 520 bytes long:
 <code bash>
@@ Line 387: / Line 389: @@
 ===== Power saving =====
-FIXME On this smartphone the battery and power management operated by the Android o.s. is very aggressive. There are several settings that can be adjusted, but it seems that some apps and widgets does not run as expected.
+On this smartphone the battery and power management operated by the Android o.s. is very aggressive. There are several settings that can be adjusted:
   * **Battery Manager** (system setting): Settings => Battery => Battery Manager => **Manage apps automatically**.
@@ Line 393: / Line 395: @@
   * **Pause app if unused** (per-app setting): Settings => Apps & notifications => App info => App permissions => **Pause app activity if unused**.
   * **Battery** (per-app setting): Settings => Apps & notifications => App info => Battery => **Unrestricted**, **Optimized** or **Restricted**.
+Other important settings can be operated into the custom **System Manager** app. See the page **[[blackview_power_saving]]**, it is about the customization made by Blackview on the Android operating system regarding several **power saving features**. It applies on both Android 12 and Android 13 versions.
 ===== Storage (problem with widgets and SD card) =====
@@ Line 412: / Line 416: @@
 See the page **[[blackview_bv5300_pro_change_launcher]]**, it is about the installation of a **custom launcher** and removing **unnecessary system apps** (de-bloating).
-===== Power saving in Blackview Android customization  =====
-See the page **[[blackview_power_saving]]**, it is about the customization made by Blackview on the Android operating system regarding several **power saving features**. It applies on both Android 12 and Android 13 versions.
 ===== Web Resources =====