The Nokia C1-01 remains one of the most durable and reliable feature phones ever produced. However, like all Symbian S40 devices, it is prone to software issues over time—such as hanging on the Nokia logo, restarting automatically, or displaying a "Contact Service" error.
While I cannot provide direct download links to external file hosts (as they change frequently and can be unsafe), the specific file you need is identified by a RM-608 product code. Nokia C1-01 Flash File Without Password
Select the MCU, PPM, and CNT files in their respective slots. Nokia C1-01 Flash File (Without Password): Complete Download
You should consider flashing your Nokia C1-01 if you are experiencing: Select the MCU, PPM, and CNT files in