Issue	Frequency	Cause	Fix
Leaking / gurgling	Occasional (14%)	Device tilted or laid flat; e-liquid pools in airflow	Hold upright, flick gently downward, take 2-3 dry puffs. Store upright.
Mouthpiece condensation	Moderate	Normal vapor condensation over time	Wipe mouthpiece with tissue every 1-2 days
Device runs warm (Pulse)	Moderate	20W output generates heat during extended use	Switch to Regular Mode; take breaks between puffs
Battery dies before juice empty	Low (batch variance)	Some batches have ~600mAh vs rated 650mAh	Recharge and continue; contact retailer if severe
Screen not displaying	Low	Rare hardware failure	Contact retailer for replacement if under warranty
Auto-fire (unintended activation)	Very low (0.6%)	Sensor malfunction	Stop using immediately; contact retailer