Faulty Quest 3 Elite Strap with Battery cannot be fixed by software update
Meta has temporarily stopped selling the Elite Strap with Battery due to a charging fault and explains to MIXED why it has to produce new accessories.
Fixing the Two Biggest Problems with the Meta Quest 3
ANNAPRO Battery Head Strap Compatible with Meta Quest 3, Elite Strap with 6500mAh Battery for Oculus/Meta Quest 3 Accessories, Enhance Comfort and Extend Playtime : : Video Games
Elite Strap Not Available on Oculus.com : r/OculusQuest
Quest 3 - Quest 2 Head Strap Adapter. Free Files included : r/OculusQuest
Use QUEST 2 Battery Strap (Broken or Not) with your QUEST 3
A simple fix for the broken strap : r/oculus
Meta Quest 3 Elite Strap with Battery : Video Games
Use QUEST 2 Battery Strap (Broken or Not) with your QUEST 3
Review of Q3 + elite strap w/ battery + docking station from QPro owner : r/QuestPro