Release the pound key and immediately type the following sequence exactly:
When dealing with CMTERM7975SIP942SR4ZIP UPD, users should follow best practices to ensure a smooth and successful update process: cmterm7975sip942sr4zip upd
Keeping the Classic Alive: Updating the Cisco 7975G with Firmware 9.4(2)SR4 Release the pound key and immediately type the
: If your phone is currently running a version earlier than 8.3(3) , you cannot jump directly to 9.4(2). You must first upgrade to an intermediate version (such as 8.5(2)) before applying the 9.4 load. cmterm7975sip942sr4zip upd