Samsung Y4

Based on your query, the model you are likely referring to is the Samsung Galaxy J4 (sometimes colloquially called or mislabeled as Y4). As of 2026, this device is primarily available through used and refurbished wholesale channels rather than new retail stock.

Product Overview & Specifications

The Galaxy J4 series (including the J4 Core and J4+) represents Samsung's legacy entry-level segment:

• Display: 5.5-inch Super AMOLED (J4) to 6.0-inch LCD (J4 Core/J4+) SamsungGsmarena
• Storage/RAM: Typically 16GB–32GB storage with 1GB–3GB RAM FacebookPhonearena
• Current Wholesale Price: Refurbished or used units are circulating between $100–$140/piece in bulk AlibabaAlibaba

Market Trends & Insights (2026)

• Market Dominance: Samsung remains a global leader with approximately 20–21% market share as of Q1 2026, though growth is primarily driven by AI-enhanced flagships (S26 series) SqmagazineTridenstechnology
• Segment Shift: There is a noted "memory crunch" affecting lower-margin models, leading to a focus on Galaxy FE and A-series models for mid-to-entry level demand Sqmagazine
• Secondary Market Demand: For older models like the J4, the market has shifted almost entirely to repair parts and refurbished trade, with significant supplier clusters in Guangdong, China

Sourcing & Supplier Summary

I have identified several verified suppliers providing both complete units and replacement parts:

• Shenzhen Shanxin Network Technology: Supplies used Galaxy J4 (SM-J400F/DS) units Alibaba
• Shenzhen Amanki Technology: Specializes in high-quality refurbished Samsung J-series smartphones for bulk export Alibaba
• Shenzhen Shijihuaxia Electronic: A leading manufacturer for J4-series LCDs and replacement components Alibaba

Detailed product listings and supplier profiles are available in the files below.