1. firm_1_3_33_b13
• [x] Added deletion of old manual files and shortcuts in the directories of the internal SD card.
• [x] BP24 Firmware Update: Fixed an issue where outdated manual files could cause display errors in the BP24 documentation content.
2. firm_1_3_33_b14
• [x] Resolved a low battery issue where the device would lose previous battery calibration data after an automatic shutdown.
• [x] Display Management: Added automatic I2C communication recovery in the event of a freeze or error.
• [x] Button Management: Added automatic I2C communication recovery. (Previously, rapid or simultaneous pressing of multiple buttons caused I2C communication to hang).
• [x] Added new braille tables (German, Portuguese, Spanish, Italian, French).
• [x] Resolved an issue when switching between two iOS devices.
3. firm_1_3_33_b15
• [x] Standardised Liblouis table names to lowercase characters.
• [x] The text "terminal mode" is now displayed when the slider is in the terminal mode position.
• [x] Displays the current name of the HID device (e.g., "iPhone") when connected in terminal mode.
• [x] Displays the message "wake host" when connected but inactive.
4. firm_1_3_33_b16
• [x] Improved Terminal Mode messages. Increased display times and improved general UI handling when connecting via HID.
• [x] Fixed a freezing issue on new production Dot 3 devices. A problem was detected where the device would hang during initial configuration because the button I2C interface would occasionally freeze, resulting in no response.
5. firm_1_3_33_b17
• [x] Improved the charge status message in the global notification for DOT3.
• [x] Improved display management for DOT2 (fixed disappearing messages).
6. firm_1_3_33_b18
• [x] Improved the "App No Connection" message when connecting HID with VoiceOver in terminal mode.
• [x] BT Module Firmware: Fixed an issue with routing buttons and internal scroll buttons when working with VoiceOver.
• [x] Diagnostic Mode Improvements:
• Added full support for preparing devices for sale via a service menu for firmware files.
• Improved cell refresh functions for DOT3.
• Added an option to enter bootloader mode from the diagnostic menu.
7. firm_1_3_33_b19
• [x] Improved serial number display for D2 and D3. (Please verify that zeros no longer appear.
• [x] Note: For D3, two additional characters will appear when the firmware is updated from an 11-character version to a 13-character version; the serial number must be set by a service technician.
8. firm_1_3_33_b20
• [x] Changed the Bluetooth broadcast name used when searching for a braille display from iOS or Windows. The test name is now BP24-[SERIAL_NUMBER] (11 characters for D2, 13 characters for D3).
• [x] Changed the Maximum Transmission Unit (MTU) for BLE communication with the BraillePenSync app from the default 20 bytes to a maximum of 158 bytes (negotiated with the connected device).
• [x] Added a safeguard to the display management class for instances where the timer is not enabled, which could otherwise damage D2 cells.
• [x] Fixed the class responsible for automatic device shutdown during inactivity.
• [x] Added battery status display when the device is powered off but plugged in:
• "charging XX%"
• "full 100%"
9. firm_1_3_33_b21
• [x] Added battery options in Settings:
• Percentage
• Voltage
• Status
• [x] Fixed an issue with displaying percentage and voltage in global messages.
• [x] Fixed power-on issues occurring at low voltage levels.
• [x] Fixed "battery low" global messages appearing during normal operation.
• [x] Diagnosed and fixed an issue with internal SD card initialisation during startup.
10. firm_1_3_33_b22
• [x] Diagnostic Mode Improvements:
• Fixed time synchronisation (SYNC_TIME) and date update issues.
• Added a check for SD card presence during firmware updates.
• [x] Improved the resource/module cleanup process during device shutdown.
• [x] Added progress information during synchronisation. Currently displayed as a percentage (can be quickly changed to a progress bar if needed).
• [x] Changes to battery management for DOT3.
11. firm_1_3_33_b23
• [x] German Table Improvements:
• Added to computer tables: German comp6, German comp8.
• Added to menu languages: German comp6, German comp8.
• [x] Applied fixes to the German language parser for the .bin file generator.
• [x] Optimised startup functions.
• [x] Improved display management.
• [x] Improved time synchronisation after powering on and connecting to the BraillePenSync app.
12. firm_1_3_33_b24
• [x] German Table Improvements:
• Computer tables: Disabled comp6; fixed the value for the digit "2" in comp8.
• Menu language: Disabled comp6; enabled 8-dot menu display for comp8.
• [x] Improved email folder indexing—fixed a device hang when cancelling synchronisation while connected to Android.
• [x] Stability improvements for the email menu.