📊 Update Statistics
🔢
48
Total Versions
🆕
12
Updates in 2026
🐛
340+
Bugs Fixed
🚀
85+
Features Added
✅ Consistent Updates
Our development team ships monthly updates focused on security patches, performance improvements, and new features driven by user feedback. Every release goes through rigorous testing on 15+ devices — including phones commonly used in Dhaka — before it goes live.
📅 Update Schedule & Policy
🔒 Security Updates
Monthly security patches to keep the app protected against the latest vulnerabilities.
⚡ Performance Updates
Quarterly optimisation updates to improve speed, memory usage, and battery efficiency.
✨ Feature Updates
Major feature releases 2–3 times a year based on user requests and market trends.
📜 Version History
v4.8.2
Latest
Stable
📅 15 August 2026 | 📦 ARM64 22.4MB / Universal 38.7MB
✨ New Features
- Material You Dynamic Colours: App automatically adapts colours based on wallpaper (Android 12+)
- Picture-in-Picture Mode: Keep using the app while multitasking with a floating window
- Advanced Widget System: 4 new widget sizes (2x2, 4x2, 4x4, 5x2) with customisable themes
- Biometric Authentication: Fingerprint and face unlock support for stronger security
- Cloud Sync Enhancement: Faster sync with intelligent conflict resolution — works well on Grameenphone/Robi
⚡ Improvements
- Startup Performance: 23% faster app launch (1.2s vs 1.56s in v4.7)
- Memory Optimisation: 18.5% lower memory usage (142MB vs 174MB)
- Battery Efficiency: 22% less battery drain during active use
- UI Responsiveness: Smoother animations with a consistent 58+ FPS
- Network Efficiency: 30% faster data sync with better compression
🐛 Bug Fixes
- Fixed crash when switching accounts on certain devices
- Fixed memory leak in the background sync process
- Fixed UI rendering issues on foldable devices
- Fixed notifications not appearing on Android 14
- Fixed widgets not updating in real time
- Fixed dark mode contrast issues on certain screens
- Fixed keyboard overlap on input fields
🔒 Security Updates
- Updated encryption library to the latest AES-256 standard
- Patched a potential SQL injection vulnerability
- Enhanced certificate pinning for network security
- Updated all dependencies to the latest secure versions
v4.7.5
Stable
📅 18 July 2026 | 📦 22.1MB - 38.2MB
✨ New Features
- Added multi-account management with quick switching
- Added export/import settings functionality
- Added gesture navigation customisation
⚡ Improvements
- Improved search functionality with a better algorithm
- Improved accessibility with TalkBack optimisation
- Improved notification system with grouping
🐛 Bug Fixes
- Fixed sync conflicts across multiple devices
- Fixed crash on startup on Android 6.0 devices
- Fixed permission request loop issue
- 12+ minor bug fixes
v4.7.0
Stable
📅 22 June 2026 | 📦 21.8MB - 37.9MB
✨ New Features
- Material Design 3 implementation with adaptive themes
- Added offline mode for core functionality
- Added advanced filtering options
- Added custom themes support
⚡ Improvements
- 15% faster overall performance
- Redesigned settings page for better UX
- Improved data caching strategy
🐛 Bug Fixes
- Fixed data loss issue when the app was force-closed
- Fixed landscape mode UI issues
- 18+ bug fixes from user reports
🔒 Security Updates
- Enhanced data encryption implementation
- Updated security certificates
v4.6.8
Stable
📅 15 May 2026 | 📦 21.5MB - 37.4MB
✨ New Features
- Added backup and restore functionality
- Added scheduled tasks support
- Added quick actions shortcuts
⚡ Improvements
- Improved UI for tablet devices
- Improved battery optimisation
- Better error handling and user feedback
🐛 Bug Fixes
- Fixed ANR (Application Not Responding) issues
- Fixed compatibility issues with Android 14 Beta
- 15+ minor bug fixes
v4.6.0
Stable
📅 8 April 2026 | 📦 21.2MB - 36.8MB
✨ New Features
- Full Android 14 support and optimisation
- Added customisable notification channels
- Added in-app update mechanism
⚡ Improvements
- 12% faster data processing
- Reduced APK size by 8%
- Improved app stability
🐛 Bug Fixes
- Fixed crashes on certain Samsung devices
- Fixed UI glitches on Android 14
- 22+ bug fixes
🔒 Security Updates
- Updated TLS protocol to v1.3
- Fixed potential security vulnerabilities
📚 Older Versions
For the full changelog from version 4.5 and earlier, please contact our support team at [email protected]. We keep a complete version history since the initial release v1.0.0 (2018).
🔄 How to Update the App
📱 Method 1: In-App Update (Recommended)
Step-by-step:
- Open the bdt222 app
- Go to Settings → About
- Tap "Check for Updates"
- If an update is available, tap "Download & Install"
- Wait until the download finishes
- Tap "Install Now" to apply the update
- The app will restart automatically
💻 Method 2: Manual Update
Step-by-step:
- Visit bdt222s.com
- Download the latest APK (Universal 38.7MB or ARM64 22.4MB)
- Verify the SHA-256 checksum:
a3f5b8c2d1e9f0a7b4c6d2e8f1a3b5c7d9e0f2a4b6c8d0e2f4a6b8c0d2e4f6a8 - Install the APK (Android updates in place automatically)
- All data and settings are preserved
Note: Manual update needs the "Install from Unknown Sources" permission. See the Install Guide for details. Prefer home Wi-Fi or a stable Grameenphone/Robi link.
⚠️ Important Notes
- Backup Data: Always back up important data before a major version update
- Stable Connection: Use Wi-Fi for the update download when possible (or a steady Grameenphone/Robi link)
- Sufficient Space: Ensure at least 200MB free storage
- Battery Level: Charge the device to at least 30% before updating
- Don't Uninstall: The update process keeps all data — do not uninstall the app first
🔔 Update Notifications
We notify users about available updates through:
📱
In-App Notification
Pop-up when the app launches
Pop-up when the app launches
🔔
Push Notification
Android notification
Android notification
📧
Email Newsletter
Major updates only
Major updates only
🌐
Website Announcement
Always updated
Always updated