A “FIRMWARE” IS THE PHONE’S OPERATING SYSTEM STORED IN INTERNAL FLASH MEMORY OF THE DEVICE (DISK Z.
MANUFACTURERS RELEASE NEW FIRMWARE VERSIONS CONTAINING BUG FIXES, IMPROVEMENTS AND – SOMETIMES – OFFERING NEW FUNCTIONS.
FIRMWARE UPGRADE CAN ONLY BE MADE IN AUTHORIZED NOKIA SERVICE CENTRE (POINT).
TO CHECK YOUR CURRENT FIRMWARE VERSION SIMPLY TYPE *#0000# ON MAIN PHONE SCREEN.
How to check IMEI no of mobile.
Type *#06# on main Phone screen.
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