per a post by a DJI Rep on the DJI Forum.
D daisy-girl Well-Known Member Joined Dec 4, 2017 Messages 558 Reactions 166 Age 51 Feb 12, 2018 #1 per a post by a DJI Rep on the DJI Forum.
msinger DJI Drone Expert Approved Vendor Premium Pilot Joined Oct 12, 2016 Messages 26,925 Reactions 28,312 Location Harrisburg, PA (US) Site MavicHelp.com Feb 12, 2018 #2 Here are a few posts from the official DJI forum that confirm using old firmware does not affect the warranty: Is warranty voided? DJI can you answer this question? No Warranty Unless Updated: Myth or Fact? And here are a few posts that confirm using an old version of DJI GO does not affect the warranty: Does using OFFICIAL DJI GO 4 4.1.15 void warranty or refresh? Downgrade to 4.1.15? Reactions: ksmusa
Here are a few posts from the official DJI forum that confirm using old firmware does not affect the warranty: Is warranty voided? DJI can you answer this question? No Warranty Unless Updated: Myth or Fact? And here are a few posts that confirm using an old version of DJI GO does not affect the warranty: Does using OFFICIAL DJI GO 4 4.1.15 void warranty or refresh? Downgrade to 4.1.15?