Update documentation and changelog with call recording, vibration, ringtone, and mobile data details

MANUAL.md

@@ -129,7 +129,7 @@ All fifteen phone applications are compiled as shared-object plugins (`/usr/lib/
 
 2. **Global phone controls (`xdrawer.so` / `xdrawer`)**:
    - **Open / close**: press **both softkeys simultaneously** (`KEY_MENU` + `KEY_BACK`) from anywhere, or select **XDrawer** from the System menu.
-   - **Controls**: use `Up`/`Down` (or `1`–`9`) to select **Speaker**, **Earpiece**, **Ring Vol**, **Ringer** (`Ring+Vib` / `Vibrate` / `Silent` / `DND`), **Flashlight**, **Sound**, **Microphone**, **Screen**, or **Keypad**; use `Left`/`Right` or `Return` to adjust or toggle.
+   - **Controls**: use `Up`/`Down` (or `1`–`9`/`0`) to select **Speaker**, **Earpiece**, **Ring Vol**, **Ringer** (`Ring+Vib` / `Vibrate` / `Silent` / `DND`), **Vibration** (`Light` / `Medium` / `Strong` with instant tactile feedback), **Flashlight**, **Sound**, **Microphone**, **Screen**, or **Keypad**; use `Left`/`Right` or `Return` to adjust or toggle.
 
 3. **Phone dialer (`dialer.so` / `xdialer`)**:
    - **Open**: press any **`0`–`9`, `*`, or `#` key** on the empty desktop, or open **Dialer** from the System menu or Call Log.
@@ -147,8 +147,8 @@ All fifteen phone applications are compiled as shared-object plugins (`/usr/lib/
    - **Incoming call actions**: press **Call (green)**, **Left softkey (`Accept`)**, **`1`**, or **Center `OK`** to answer; press **`*`** or **`0`** to silence the ringer; press **End (red)**, **Right softkey (`Reject`)**, or **`#`** to decline.
    - **In-call controls and recording**:
      - **`[1]` / `*` — microphone mute**: toggles hardware QDSP6 and PipeWire microphone mute (`ON` / `MUTED`).
-     - **`[2]` / `#` — call recording**: starts or stops recording call audio (`16 kHz` mono WAV) to `~/Recordings/call_<caller>_YYYYMMDD_HHMMSS.wav` with a live `REC MM:SS` badge.
-     - **`[3]` — audio route**: switches between **`EARPIECE`** and **`SPEAKER`**.
+     - **`[2]` / `#` — call recording**: starts or stops recording call audio (`8 kHz` mono S16_LE WAV via `MultiMedia2` `hw:0,1` with automatic peak normalization) to `~/Recordings/rec_HHMMSS_<caller>.wav`, displaying a live `REC MM:SS` timer while recording and a persistent green `SAVED MM:SS` badge once saved.
+     - **`[3]` — audio route**: switches between **`EARPIECE`** (default for all calls) and **`SPEAKER`**.
      - **`Left` / `Right` — call volume**: adjusts in-call volume in `5%` steps.
      - **`[0]` / Left softkey (`DTMF`)**: toggles DTMF tone keypad mode.
      - **End (red)** or **Right softkey (`Hangup`)**: hangs up the call.
@@ -191,12 +191,12 @@ All fifteen phone applications are compiled as shared-object plugins (`/usr/lib/
     - **Open**: select **Networks** or **Bluetooth** from the System menu, or run `xnetworks` / `xbluetooth`.
     - **Three connectivity tabs (`Left`/`Right` or `1`–`3`)**:
       - **`1:Wi-Fi`**: toggle Wi-Fi radio, rescan (`*`), toggle **Wi-Fi Hotspot**, and connect to WPA2/open networks with a multi-tap password dialog (`*` toggles password visibility).
-      - **`2:Cell/APN`**: toggle **Mobile Data**, inspect `wwan0` IPv4 status, edit **APN Configuration**, and toggle **USB Tethering**.
+      - **`2:Cell/APN`**: toggle **Mobile Data** (configuring the QMI `bam-dmux` `wwan0` static IPv4 bearer, default route, and DNS automatically), inspect `wwan0` IPv4 status, edit **APN Configuration**, and toggle **USB Tethering**.
       - **`3:Bluetooth`**: toggle Bluetooth power, scan nearby devices (`*`), and pair, connect, disconnect, or remove devices.
 
 13. **Ringtones and ringer manager (`ringtones.so` / `xringtones`)**:
     - **Open**: select **Ringtones** from the System, Config, or Audio menu, or run `xringtones`.
-    - **Controls**: preview built-in, tracker module (`.mod`, `.xm`, `.it`, `.s3m`, etc.), and user ringtones (`~/Ringtones/`, `~/Music/`, `/usr/share/sxmo/ringtones/`, `/usr/share/sxmo/music/`) at the configured ringtone volume with `*` or **Left softkey (`Play` / `Stop`)**, press `Return` to set the active ringtone, and switch to **`2:Settings`** to configure **Ringer Mode**, **Ring Volume** (`0%`–`100%`, also adjustable in **XDrawer**), **Ring Duration**, **Ring Loop Count**, and 3-level hardware **Vibrate Strength** (`Level 1` gentle `1400 mV`, `Level 2` medium `2100 mV`, `Level 3` strong `3100 mV`).
+    - **Controls**: preview built-in, tracker module (`.mod`, `.xm`, `.it`, `.s3m`, etc.), and user ringtones (`~/Ringtones/`, `~/Music/`, `/usr/share/sxmo/ringtones/`, `/usr/share/sxmo/music/`) at the configured ringtone volume with `*` or **Left softkey (`Play` / `Stop`)**, press `Return` to set the active ringtone, and switch to **`2:Settings`** to configure **Ringer Mode**, **Ring Volume** (`0%`–`100%`, also adjustable in **XDrawer**), **Ring Duration**, **Ring Loop Count**, and 3-level hardware **Vibrate Strength** (`Level 1 (Light)` pulsed `1600 mV`, `Level 2 (Medium)` pulsed `2100 mV`, `Level 3 (Strong)` continuous `3100 mV`, also adjustable in **XDrawer**).
 
 14. **Desktop wallpaper manager (`wallpapers.so` / `xwallpapers` / `xbackground`)**:
     - **Open**: select **Wallpapers** from the System, Config, or Apps menu, or run `xwallpapers`.
@@ -367,9 +367,9 @@ Both the rear loudspeaker (`Speaker`, with boosted `RX3 Digital Volume` for loud
   ```
 - **Trigger PM8909 vibration motor (`duration_ms [strength_1_to_3]`)**:
   ```bash
-  sxmo_vibrate 350 1   # gentle (1400 mV)
-  sxmo_vibrate 350 2   # medium (2100 mV)
-  sxmo_vibrate 350 3   # strong (3100 mV)
+  sxmo_vibrate 350 1   # light (1600 mV, 38% duty cycle)
+  sxmo_vibrate 350 2   # medium (2100 mV, 67% duty cycle)
+  sxmo_vibrate 350 3   # strong (3100 mV, 100% continuous)
   ```
 
 ### 5.4 Cellular modem, Dual-SIM, and QMI UIM helper