: Use a high-quality USB 2.0 drive formatted to FAT32 for the update.
: This site hosts the AKAI AKTV3225 E SMART SAT Firmware (P75-2841V6.0) compatible with the CX315DLEDM panel. Note that some downloads on this site may require a subscription.
Is your TV , or are you performing a routine update? AKAI AKTV3225 E SMART SAT P75-2841V6.0 FIRMWARE
To help you find the exact part you're missing, could you tell me:
What is the printed on the sticker inside your TV?