IS-381/IS-382/IS-3840 User manual
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Step 2: enter [select file] interface, to select [gz] file to be updated [for example, VP5110_70105.gz],
and then press [open] (as shown in the following picture), to return to the main interface.
Step 3: back to [Update Firmware], wherein [File Location] has data to be updated if it is confirmed
to be correct; please press [Submit] to start updating (as shown in the following picture).
Step 4: enter [information prompt] picture,showing [please do not pull out power supply equipment
at random in version updating, the updating time is about 3 minutes] (as shown in the
following picture).
