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# 📋 Bugs
- [ ] Delete message needs to go to the **nearest SMS**
- [ ] **Time update** on first start-up takes longer than usual
- [ ] **Not all touches** are registered
- [ ] `clearNotifications` call on line 433 needs more intelligence
- [ ] Prevent user/system from navigating **past available SMS messages**
- [ ] **Reorganize** SMS messages when a lower-numbered one is deleted
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- Lookup table for pixel width (for screen formatting and text)
- Function for user input to change text position
- SMS send function
- Ability to read sent messages
- Store SMS on secondary storage
- Emergency call from passcode screen
- Store missed calls count and number
- Notification screen
- Call time counter
- Call record screen and data
- Clear notifications functionality
- In-call volume control
- Signal strength display (
AT+CSQ
) - Redial previous number (
ATDL
) - Call waiting support (
AT+CHLD=<N>
)N = 1
: terminate current call, answer call waitingN = 2
: set current call to busy, answer waiting call
- Bluetooth
- FM Radio
- Contact list / Phone book
- Adjustable display brightness
- Airplane Mode
- Enable:
AT+CFUN=4
- Disable:
AT+CFUN=1
- Enable:
- Sort SMS by sender or contact
- Swipe screen left-right for sidebar (e.g., volume control)
- Show character limit during SMS composition
- View MMS
- Send MMS
- View images in MMS
- Swipe to clear notifications
- Light sensor for proximity-based brightness control
- Transistor-controlled ground for speaker (only active in-call)
- Transistor-controlled power for display driver (remove
digitalRead
) - Dedicated Settings screen
- Change screen timeout
- Add/Remove passcode
- Adjust display brightness
- Configure auto brightness thresholds
- Set SMS viewing index manually
- Accelerometer support (e.g., auto orientation)
- Use custom ringtones
- MP3/Audio player
- GPS sensor
- Display-Out support
- Web browser