These are some common tools used to work on this device. You might not need every tool for every procedure.
The C5-03 packs a 3.2" touchscreen LCD display (640x360 resolution), a 5.0 megapixel rear camera, and a 600 MHz ARM11 CPU. The 1000 mAh battery is easy to replace. It shipped with the (now defunct) Symbian OS (v9.4), and included an early version of Shazam's song identification software.