Updating TZ touch2 to newest software version

Hooter73

New member
Hi All, after some advice.
I'm running a TZ touch2 that has never been updated since new (2016) and was wondering if the current software update V8 incorporates all updates from V3 - V7 or do I have to update each one individually into the unit? Can't seem to find any info on this.
Cheers!
 
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