While writing text, press "#" to switch between upper and lower case and Dictonary on/off (predictive text input).
Press and hold "#" to switch between Alpha mode and Number mode.

Keyboard shortcuts for zooming and rotating images in images:
1 = zoom in, 0 = zoom out, press and hold to return to the normal view.
2 = rotate anticlockwise, 9 = rotate clockwise, * = full screen.

In standby mode, press and hold the right soft key to activate voice dialling.
To add a voice tag to a phone number, open a contact card and scroll to the phone number and select:
Options > Add voice tag.

You can customize both soft keys located below the screen (in standby mode):
Menu > Tools > Settings > Phone > Standby mode > Left/Right selection key > "select an application".

In standby mode. press scroll key center (joystick) to go directly to Contacts.

In standby mode, press and hold 0 to launch your wap home page.

In Menu or any subfolder, press numbers 1 - 9 to start the application at that location.
123
456
789

In standby mode,
45# + dials the number on your sim in memory slot 45.
50# + dials slot 50 and so on.

If you have your keylock activated just press the on/off button to turn on your backlight
to look at the time when it's dark without having to unlock the keypad.

Never, ever, in your whole life, install WildSkinz on your Nokia 3650!!! WildSkinz screws up
the whole 3650 system. It was never intended to work on the 3650, only on the 7650.

Why assigning Video Recorder in the right or left soft key does not work?

(Sound Recorder is launched instead of Video Recorder)
It's a bug with firmware version 2.50.

How to check your firmware version:

A "Firmware" is the phone's operating system stored in internal Flash memory of the device (disk Z.
Manufacturers release new firmware versions containing bug fixes, improvements and - sometimes - offering new functions.
Firmware upgrade can only be made in authorized Nokia service centre (point).
To check your current firmware version simply type *#0000# on main Phone screen