Nokia C201 Java Apps ((exclusive)) -

Since you have a keyboard, avoid touch-screen ports. These use buttons perfectly:

Once a .jar file was opened, the phone’s Java runtime would verify permissions (e.g., network access, local file read/write) and prompt the user. The C201 had a permissions model: “Ask once per session,” “Ask always,” or “Allow.” nokia c201 java apps

You have two ways to get apps onto the Nokia C201: via Bluetooth/Infrared or via MicroSD card. The SD card method is easiest. Since you have a keyboard, avoid touch-screen ports

Use a micro-USB cable and select "Mass Storage" mode. Since you have a keyboard

enabled a surprisingly diverse range of applications and games that transformed it from a basic caller into a multi-functional tool. The Java Framework: How It Worked The Nokia C2-01 ran on the Series 40 (S40)