While the series is now a legacy collection, it was known for its aluminum unibody design and glass-style backing that created a unique spiral effect under light. If you are looking to purchase one today, you will primarily find it through second-hand marketplaces or specialty retailers. Available Models in the ZenFone 4 Series
: Sites like eBay often list refurbished or used units. zenfone 4 buy
: For used models, battery capacity may have significantly degraded over time. While the series is now a legacy collection,