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After logging in, the current firmware displays on the screen. First, determine which Bank the Panasonic
KX-UTG 300B phone is using by viewing the Operating Bank field. Then, determine what firmware that
bank contains – it should be 03.137 (Figure 3-13).
Figure 3-13: Check the Firmware
If the firmware is not correct, follow the instructions below to upgrade the firmware.
1. Click the Maintenance tab at the top of the screen (Figure 3-14).
Figure 3-14: Maintenance Tab