Download the firmware file—often named update.zip or containing multiple system files—and place them in the (not in a folder).

Before looking for an update, you must identify your current version to ensure compatibility: SUOKULA 7010B Car Radio MP5 Player User Manual

: Resolves hardware-level bugs like "popping" sounds when changing tracks or incorrect frequency displays. How to Check Your Current Firmware Version

It seems you’re referencing and the word “paper” — likely meaning you need written documentation , a procedure document , or a technical paper on how to update the firmware for a 7010b radio (possibly a Motorola, Harris, or other two-way radio model).